Columbia University
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 15 · 208,896 IPv4 addresses |
| IPv6 | 1 prefix (largest 2001:18d8::/32) |
| Record ID | 241138211 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (15)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.59.0.0/16 | Columbia University | BGP | ANNOUNCED | ● high |
| 129.236.0.0/16 | Columbia University | BGP | ANNOUNCED | ● high |
| 160.39.0.0/16 | Columbia University | BGP | ANNOUNCED | ● high |
| 192.5.43.0/24 | Columbia University | ARIN | DIRECT ALLOCATION | ● high |
| 192.12.82.0/24 | Columbia University | BGP | ANNOUNCED | ● high |
| 207.10.136.0/21 | Columbia University | BGP | ANNOUNCED | ● high |
| 209.2.47.0/24 | Columbia University | BGP | ANNOUNCED | ● high |
| 209.2.48.0/22 | Columbia University | BGP | ANNOUNCED | ● high |
| 209.2.185.0/24 | Columbia University | ARIN | ASSIGNMENT | ● high |
| 209.2.208.0/20 | Columbia University | BGP | ANNOUNCED | ● high |
| 209.2.216.0/21 | Columbia University | ARIN | ASSIGNMENT | ● high |
| 209.2.224.0/21 | Columbia University | ARIN | ASSIGNMENT | ● high |
| 209.2.224.0/20 | Columbia University | BGP | ANNOUNCED | ● high |
| 209.2.232.0/21 | Columbia University | ARIN | ASSIGNMENT | ● high |
| 2001:18d8::/32 | Columbia University | ARIN | DIRECT ALLOCATION | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2001:18d8::/32 |
Footprint over time
12 weekly snapshots · JSON
22
+10 netblocks since 2026-07-05
2026-07-05
peak 22
2026-09-13
Other domains hosted in this network
what's this?NIC Handles
AS14
COLUMB
CU-NOC-ARIN
CU-NOC-ARIN
CU-NOC-ARIN
CUAC-ARIN