China Education and Research Network
China Education and Research Network (CERNET)
BGP inherited
Cluster stats
| Netblocks | 451 · 267,250 IPv4 addresses |
| All fragments | 5,602 blocks across 2 clusters |
| Cluster ID | 208785062 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 27 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
451
+2 netblocks since 2026-07-05
2026-07-05
peak 451
2026-07-19
IP Ranges (451)
showing 50 of 451 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 118.229.40.0/22 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 118.229.44.0/22 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 121.251.232.0/24 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 121.251.233.0/24 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 121.251.234.0/24 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:800::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:801::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:802::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:804::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:805::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:808::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:809::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:80a::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:80b::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:80d::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:80e::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:810::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:811::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:813::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:815::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:817::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:819::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:81a::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:81c::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:81d::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:81e::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:81f::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:820::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:821::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:822::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:823::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:824::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:825::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:826::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:827::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:828::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:829::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:82a::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:82b::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:82c::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:82d::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:82e::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:831::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:832::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:833::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:835::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:836::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:837::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:838::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
| 2001:250:839::/48 | China Education and Research Network (CERNET) | BGP | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
95.8%
of checked blocks have valid RPKI ROA coverage
(432 of 451)
No discrepancies found among checked blocks.
NIC Handles
AC1685-AP
APNIC-HM
AS138182
AS138369
AS138371
AS138374
AS138375
AS138376
AS138377
AS138378
AS138381
AS138441
+15 more