HomePrefix Lookup101.76.0.0/15

101.76.0.0/15

🇨🇳
IPv4APNICallocatedAS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
CIDR
101.76.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Nanjing
RIR
APNIC
Status
allocated
Allocated
12/10/2010

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
101.76.0.0/15AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
APNICRADB
5/31/2026

Covering Prefix

23 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
101.77.0.0/16AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.77.0.0/16AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.192.0/18AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.192.0/18AS24363CNGI-JNN-IX-AS-AP - CERNET2 IX at Shandong UniversityNo ROA—5/31/2026
101.76.64.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.160.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.64.0/19AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.160.0/19AS24362CNGI-HEF-IX-AS-AP - CERNET2 IX at University of Science and Technology of ChinaNo ROA—5/31/2026
101.76.0.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.48.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.96.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.144.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.16.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.96.0/20AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.16.0/20AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.0.0/20AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.48.0/20AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.144.0/20AS24362CNGI-HEF-IX-AS-AP - CERNET2 IX at University of Science and Technology of ChinaNo ROA—5/31/2026
101.76.32.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.40.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026
101.76.32.0/21AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.40.0/21AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast UniversityNo ROA—5/31/2026
101.76.192.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—5/31/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4538APNICMAINT-CERNET-AP12/13/2010
AS4538RADBMAINT-AS463711/13/2023
Origin ASN
AS4538
ERX-CERNET-BKB - China Education and Research Network Center
Geolocation
Country🇨🇳ChinaCN
RegionJiangsu
CityNanjing
Coordinates32.0584, 118.7960 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/101.76.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/101.76.0.0/15" | jq
External Links
RIPEstat Hurricane Electric BGP