Columbus Networks USA, Inc.
BGP inherited
Cluster stats
| Netblocks | 258 |
| All fragments | 1,061 blocks across 6 clusters |
| Cluster ID | 191601382 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
258
+136 netblocks since 2026-07-05
2026-07-05
peak 258
2026-07-12
IP Ranges (258)
showing 50 of 258 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.249.136.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.0.0/18 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.0.0/17 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.1.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.2.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.6.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.20.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.29.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.32.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.64.0/21 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.69.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.72.0/21 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.72.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.74.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.80.0/20 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.91.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.96.0/19 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.104.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 63.245.111.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 67.230.0.0/17 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 67.230.32.0/19 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 67.230.64.0/18 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 67.230.96.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 67.230.101.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.0.0/16 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.0.0/18 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.0.0/16 | Columbus Networks USA, Inc. | ARIN | ● high | |
| 69.79.32.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.34.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.64.0/19 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.96.0/22 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.101.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.103.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.104.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.105.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.106.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.107.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.108.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.112.0/20 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.128.0/17 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.176.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.226.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.228.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.229.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.230.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 69.79.231.0/24 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 72.252.0.0/16 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 72.252.4.0/22 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 72.252.16.0/21 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
| 72.252.72.0/21 | Columbus Networks USA, Inc. | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
84.1%
of checked blocks have valid RPKI ROA coverage
(217 of 258)
Possible discrepancies (1)
These blocks are registered to Columbus Networks USA, Inc. 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.
| 138.121.12.0/22 /22 | authorized for AS262191 — AS262191 |
NIC Handles
ABUSE2437-ARIN
AS23520
CASTI417-ARIN
CASTI417-ARIN
CASTR346-ARIN
CNU-6
ESPIN222-ARIN
ESPIN222-ARIN
GONZA1489-ARIN
GONZA1489-ARIN
JRS125-ARIN
JRS125-ARIN
+6 more