Home Prefix Lookup2400:dd00::/28

2400:dd00::/28 - CSTNET AP Computer Network Information Center Of Chinese Academy Of Sciences CNIC CAS (AS7497)

IPv6APNICallocatedAS7497CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS RPKI Valid

CIDR

2400:dd00::/28

IP Version

IPv6

Addresses

1267650.6Y

Mask

/28

Country

🇨🇳 China

City

Beijing

RIR

APNIC

Status

allocated

Allocated

2011-05-23

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2400:dd00::/28	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	APNIC	2026-10-11

More-Specific Announcements

165 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2400:dd01:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1008::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1009::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:100b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:100c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:100d::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:100e::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:100f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1011::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1012::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1013::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1014::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1015::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1017::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:101a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:101c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1020::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1021::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1023::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1024::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1025::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1027::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1029::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102d::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102e::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:102f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1030::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1031::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1032::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1033::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1034::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1035::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1036::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1037::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1038::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:1039::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:103a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:103b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:103d::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:103e::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:103f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2008::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:2009::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:200a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:200b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:200c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:200d::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:200f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3008::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3009::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:300a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:300b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:300c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:300e::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:300f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3010::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3011::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3012::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3013::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3014::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3018::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:301a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:301b::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:3020::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd01:e001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1008::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1009::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:100a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:100c::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:100d::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:100e::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:100f::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1010::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1011::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:1012::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:2000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd02:2001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:fff::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1008::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:100a::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:1fff::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd03:2000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd04:1007::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd05:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd06:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd06:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd06:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd06:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd06:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd07:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd08:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd08:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd08:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd08:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd08:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd09:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd09:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd09:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd09:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd09:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0a:1006::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0b:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0b:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0b:1003::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0b:1004::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0b:1005::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0d:1001::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0d:1002::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11
2400:dd0d:2000::/48	AS7497 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2400:dd00::/28	AS7497	/28	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7497	APNIC	MAINT-CSTNET-CN	2023-10-06

Origin ASN

AS7497

CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS

Related Prefixes

More prefixes of AS7497

All prefixes of AS7497 →

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityBeijing

Coordinates39.9042, 116.4070 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2400:dd00::/28

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2400:dd00::/28" | jq

External Links

RIPEstat