CERNET2 IX at Jilin University
Cluster stats
| Netblocks | 66 |
| All fragments | 1,448 blocks across 22 clusters |
| Cluster ID | 191804026 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (66)
showing 50 of 66 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2001:250:7401::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7402::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7403::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7404::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7405::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7406::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7407::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7408::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7409::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:740a::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:740b::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:740c::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:740d::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:740e::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7410::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7411::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7412::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7413::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7414::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7415::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7416::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7417::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7418::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7419::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741a::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741b::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741c::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741d::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741e::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:741f::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7420::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7421::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7422::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7423::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7424::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7425::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7426::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7427::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7428::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7429::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742a::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742b::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742c::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742d::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742e::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:742f::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:250:7430::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:da8:aa::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:da8:b000::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
| 2001:da8:b001::/48 | CERNET2 IX at Jilin University | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.5%
of checked blocks have valid RPKI ROA coverage
(65 of 66)
Possible discrepancies (65)
These blocks are registered to CERNET2 IX at Jilin University 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.
| 2001:250:7401::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7402::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7403::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7404::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7405::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7406::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7407::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7408::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7409::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:740a::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:740b::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:740c::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:740d::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:740e::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7410::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
+50 more — see the REST API
NIC Handles
AS24371