China Education and Research Network Center

BGP inherited
Cluster stats
Netblocks5,151 · 42,778,603 IPv4 addresses
All fragments 5,602 blocks across 2 clusters
Cluster ID208783776
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
5,145 +6 netblocks since 2026-07-05
2026-07-05 peak 5,145 2026-07-19

IP Ranges (5,151)

showing 50 of 5,151 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
1.51.0.0/16 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.3.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.16.0/20 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.112.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.120.0/21 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.144.0/21 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.144.0/20 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.152.0/21 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.160.0/21 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.168.0/21 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.176.0/20 China Education and Research Network Center BGP ANNOUNCED ● high
1.51.192.0/18 China Education and Research Network Center BGP ANNOUNCED ● high
1.184.0.0/15 China Education and Research Network Center BGP ANNOUNCED ● high
1.184.192.0/18 China Education and Research Network Center BGP ANNOUNCED ● high
1.185.0.0/18 China Education and Research Network Center BGP ANNOUNCED ● high
1.185.64.0/19 China Education and Research Network Center BGP ANNOUNCED ● high
1.185.192.0/18 China Education and Research Network Center BGP ANNOUNCED ● high
42.244.0.0/18 China Education and Research Network Center BGP ANNOUNCED ● high
42.244.0.0/16 China Education and Research Network Center BGP ANNOUNCED ● high
42.244.64.0/20 China Education and Research Network Center BGP ANNOUNCED ● high
42.245.0.0/16 China Education and Research Network Center BGP ANNOUNCED ● high
42.246.0.0/15 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.0.0/19 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.1.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.2.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.3.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.5.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.8.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.9.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.12.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.13.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.18.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.19.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.20.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.22.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.29.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.30.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.33.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.44.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.53.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.58.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.94.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.103.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.107.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
42.247.113.0/24 China Education and Research Network Center BGP ANNOUNCED ● high
49.52.0.0/15 China Education and Research Network Center BGP ANNOUNCED ● high
49.52.0.0/14 China Education and Research Network Center BGP ANNOUNCED ● high
49.52.0.0/19 China Education and Research Network Center BGP ANNOUNCED ● high
49.52.32.0/20 China Education and Research Network Center BGP ANNOUNCED ● high
49.52.48.0/24 China Education and Research Network Center BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
neu.edu.cn tsinghua.edu.cn sjtu.edu.cn shisu.edu.cn neu6.edu.cn time.edu.cn ntp.org.cn ntp.org ccnu.edu.cn etoote.com pglstatp-toutiao.com elemecdn.com cdngslb.com bdstatic.com synet.edu.cn pku.edu.cn speedtest.cn ustc.edu.cn fudan.edu.cn bvjicd.com

Network trust

what's this?
RPKI hygiene: F how networks compare →
2.0% of checked blocks have valid RPKI ROA coverage (40 of 2,000, sampled from 5,151)
No discrepancies found among checked blocks.

NIC Handles

AS4538 MAINT-CERNET-AP MAINT-CNNIC-AP