CERNET2 IX at Dalian University of Technology
Cluster stats
| Netblocks | 35 |
| All fragments | 1,448 blocks across 22 clusters |
| Cluster ID | 193376009 |
| 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 | |
Footprint over time
2 weekly snapshots · JSON
35
0 netblocks since 2026-07-05
2026-07-05
peak 35
2026-07-06
IP Ranges (35)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2001:250:7000::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7005::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7006::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:700a::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:700b::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:700c::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7013::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:701a::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:701b::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:701c::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:701d::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:701e::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7024::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:702a::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:702e::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7030::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7032::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7034::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:7040::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:250:a809::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a9::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:9007::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:901a::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:901e::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a800::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a801::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a802::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a803::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a805::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a806::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a807::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a808::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a80a::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a80b::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
| 2001:da8:a80c::/48 | CERNET2 IX at Dalian University of Technology | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(35 of 35)
Possible discrepancies (35)
These blocks are registered to CERNET2 IX at Dalian University of Technology 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.
| 2001:250:7000::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7005::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7006::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:700a::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:700b::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:700c::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7013::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:701a::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:701b::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:701c::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:701d::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:701e::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:7024::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:702a::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
| 2001:250:702e::/48 /48 | authorized for AS4538 — China Education and Research Network Center |
+20 more — see the REST API
NIC Handles
AS24370