worldcom
WORLDCOM-NET-LTD
Registry
Cluster stats
| Netblocks | 7 |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 191918524 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-12
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.90.3.141/32 | worldcom | RIPE | ASSIGNED PA | ● low |
| 81.106.222.0/24 | WORLDCOM-NET-LTD | RIPE | ASSIGNED PA | ● low |
| 81.111.80.0/21 | WORLDCOM-NET-LTD | RIPE | ASSIGNED PA | ● low |
| 195.242.34.232/29 | WORLDCOM-SE | RIPE | ASSIGNED PA | ● low |
| 213.53.206.8/29 | WORLDCOM | RIPE | ASSIGNED PA | ● low |
| 213.106.184.0/21 | WORLDCOM-NET-LTD | RIPE | ASSIGNED PA | ● low |
| 213.106.242.0/24 | WORLDCOM-NET-LTD | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
71.4%
of checked blocks have valid RPKI ROA coverage
(5 of 7)
Possible discrepancies (4)
These blocks are registered to worldcom 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.
| 213.106.184.0/21 /21 | authorized for AS5089 — Virgin Media Limited |
| 81.111.80.0/21 /21 | authorized for AS5089 — Virgin Media Limited |
| 213.106.242.0/24 /24 | authorized for AS5089 — Virgin Media Limited |
| 81.106.222.0/24 /24 | authorized for AS5089 — Virgin Media Limited |
NIC Handles
AS5089-MNT
DUMY-RIPE
DUMY-RIPE
NLNET-MNT
NV-MNT-RIPE
SE-UUNET-MNT