CERNET Corporation
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 7 · 196,610 IPv4 addresses |
| IPv6 | 3 prefixes (largest 240c:c0a1::/32) |
| Registered in | Brazil (2) · China (2) |
| Also registered under this name | 57 netblocks across 7 separate records |
| Record ID | 238735978 |
| Registry | APNIC |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 187.16.217.79/32 | CERNET | PEERINGDB | ASSIGNED | ● high |
| 187.16.223.68/32 | CERNET | PEERINGDB | ASSIGNED | ● high |
| 2001:12f8::217:79/128 | CERNET | PEERINGDB | ASSIGNED | ● high |
| 2001:12f8::223:68/128 | CERNET | PEERINGDB | ASSIGNED | ● high |
| 240c:c0a1::/32 | CERNET Corporation | BGP | ANNOUNCED | ● high |
| 211.70.0.0/15 | CERNET | APNIC | ALLOCATED PORTABLE | ● low |
| 211.80.0.0/16 | CERNET | APNIC | ALLOCATED PORTABLE | ● low |
IPv6 ranges (3)
Footprint over time
11 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-09-06
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
71.4%
of checked blocks have valid RPKI ROA coverage
(5 of 7)
Possible discrepancies (1)
These blocks are registered to CERNET Corporation but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 240c:c0a1::/32 /32 | authorized for AS4538 — China Education and Research Network Center |
NIC Handles
AC1685-AP
APNIC-HM
AS131490
AS265389
JW1-CN
LZ1-CN
XL1-CN