HomePrefix Lookup120.133.216.0/21

120.133.216.0/21

🇨🇳
IPv4APNICannouncedMOAS RPKI Valid
CIDR
120.133.216.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Chaowai (Chaoyang)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
120.133.216.0/21AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) Valid
RADB
6/1/2026
120.133.216.0/21AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/1/2026

Covering Prefix

1 less-specific announcement

RPKI ROAs

9
PrefixOriginMax LengthTrust Anchor
120.133.192.0/19AS4811/32apnic
120.133.192.0/19AS9308/32apnic
120.133.192.0/19AS9802/32apnic
120.133.192.0/19AS17428/32apnic
120.133.192.0/19AS17621/32apnic
120.133.192.0/19AS23724/32apnic
120.133.192.0/19AS24400/32apnic
120.133.192.0/19AS59020/32apnic
120.133.192.0/19AS133111/32apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4811RADBMAINT-AS481211/13/2023
AS17428RADBMAINT-HGC-INTL11/13/2023
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityChaowai (Chaoyang)
GEThttps://api.ipctl.io/v1/prefix/120.133.216.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/120.133.216.0/21" | jq