Nysernet/Columbia University
Data as of 2026-08-16
BGP inherited
Limited data: only 2 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 2 · 1,280 IPv4 addresses |
| Cluster ID | 223720512 |
| Registry | ARIN |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 209.2.47.0/24 | Nysernet/Columbia University | ARIN | ASSIGNMENT | ● high |
| 209.2.48.0/22 | Nysernet/Columbia University | ARIN | ASSIGNMENT | ● high |
NIC Handles
CKN23-ARIN
CKN23-ARIN
CKN23-ARIN
CU-NOC-ARIN
CU-NOC-ARIN
CUAC-ARIN
NYSERN-31
ZC85-ARIN