CenturyNetworks Ltd
Data as of 2026-08-30
BGP inherited
Cluster stats
| Netblocks | 12 · 9,216 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a13:77c0::/29) |
| Registered in | VG (8) · SC (2) · MH (1) |
| Cluster ID | 233645796 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 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
10 weekly snapshots · JSON
12
-384 netblocks since 2026-07-05
2026-07-05
peak 396
2026-08-30
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 85.149.224.0/21 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 94.154.178.0/24 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 156.238.192.0/20 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 156.238.200.0/24 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 172.96.38.0/23 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 192.198.184.0/23 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 193.148.95.0/24 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 195.246.194.0/24 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 198.13.22.0/23 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 199.36.102.0/23 | CenturyNetworks Ltd | BGP | ANNOUNCED | ● high |
| 81.30.106.0/24 | CenturyNetworks Ltd | RIPE | ALLOCATED PA | ● low |
| 2a13:77c0::/29 | CenturyNetworks Ltd | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a13:77c0::/29 |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(10 of 12)
Possible discrepancies (6)
These blocks are registered to CenturyNetworks Ltd but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 85.149.224.0/21 /21 | authorized for AS47191 — blue tech technology Co., Limited |
| 172.96.38.0/23 /23 | authorized for AS40065 — CNSERVERS LLC |
| 192.198.184.0/23 /23 | authorized for AS40065 — CNSERVERS LLC |
| 199.36.102.0/23 /23 | authorized for AS40065 — CNSERVERS LLC |
| 156.238.200.0/24 /24 | authorized for AS17561 — Larus Limited |
| 195.246.194.0/24 /24 | authorized for AS47191 — blue tech technology Co., Limited |
NIC Handles
AS50183
DUMY-RIPE
DUMY-RIPE
LARUS-SERVICE-MNT
ORG-CL716-RIPE
RIPE-NCC-HM-MNT
lir-mh-centurynetworks-1-MNT