Columbus Telephone Company
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 56 · 13,056 IPv4 addresses |
| IPv6 | 1 prefix (largest 2604:cf00::/32) |
| Cluster ID | 226920470 |
| Registry | BGP |
| Customers | find customers using 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 | |
Footprint over time
9 weekly snapshots · JSON
69
+14 netblocks since 2026-07-05
2026-07-05
peak 69
2026-08-23
IP Ranges (56)
showing 50 of 56 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 12.10.107.0/24 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 12.10.108.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.14.246.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.28.54.0/24 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 12.35.115.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.104.193.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.162.82.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.162.82.0/23 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 12.162.83.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 12.199.50.0/24 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 12.205.14.0/24 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 12.216.55.0/24 | Columbus Telephone Company | ARIN | ALLOCATION | ● high |
| 104.143.48.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.48.0/20 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.49.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.50.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.51.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.52.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.53.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.54.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.55.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.56.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.57.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.58.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.59.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.60.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.61.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.62.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 104.143.63.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.128.0/20 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.128.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.129.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.130.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.131.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.132.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.133.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.134.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.135.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.136.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.137.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.138.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.139.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.140.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.141.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.142.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 162.0.143.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 199.247.144.0/21 | Columbus Telephone Company | ARIN | DIRECT ALLOCATION | ● high |
| 199.247.144.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 199.247.145.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
| 199.247.146.0/24 | Columbus Telephone Company | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2604:cf00::/32 |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
69.6%
of checked blocks have valid RPKI ROA coverage
(48 of 69)
No discrepancies found among checked blocks.
NIC Handles
AS40230
CT-38
DMG31-ARIN
GRH8-ARIN
GRH8-ARIN
GRH8-ARIN