University of Colorado Boulder
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 3 · 5,376 IPv4 addresses |
| All fragments | 39 blocks across 7 clusters |
| Cluster ID | 214616855 |
| Registry | ARIN |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 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 (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 198.11.16.0/20 | University of Colorado Boulder | ARIN | DIRECT ALLOCATION | ● low |
| 198.59.54.0/23 | University of Colorado Boulder | ARIN | DIRECT ALLOCATION | ● low |
| 198.59.81.0 – 198.59.83.255 | University of Colorado Boulder | ARIN | DIRECT ALLOCATION | ● low |
NIC Handles
ABUSE306-ARIN
CUBOU-ARIN
CUBOU-ARIN
UCB-2
UCB-2-Z