HomePrefix Lookup49.52.0.0/15

49.52.0.0/15

🇨🇳
IPv4APNICannouncedAS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
CIDR
49.52.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Putuo (Putuo Qu)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
49.52.0.0/15AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026

Covering Prefix

11 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
49.52.0.0/14AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.64.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.0.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.0.0/19AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—5/31/2026
49.52.32.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.96.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.32.0/20AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—5/31/2026
49.52.96.0/20AS24366CNGI-SH-IX3-AS-AP - CERNET2 IX at Tongji UniversityNo ROA—5/31/2026
49.53.48.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.48.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
49.52.64.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
Origin ASN
AS4538
ERX-CERNET-BKB - China Education and Research Network Center
Geolocation
Country🇨🇳ChinaCN
RegionShanghai
CityPutuo (Putuo Qu)
Coordinates31.2277, 121.4070 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/49.52.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/49.52.0.0/15" | jq
External Links
RIPEstat Hurricane Electric BGP