Atos IT Services UK Ltd
Cluster stats
| Netblocks | 51 |
| All fragments | 64 blocks across 3 clusters |
| Cluster ID | 191617055 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
51
0 netblocks since 2026-07-05
2026-07-05
peak 51
2026-07-06
IP Ranges (51)
showing 50 of 51 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 157.203.6.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.6.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.7.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.36.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.36.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.37.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.40.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.40.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.41.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.42.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.42.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.43.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.48.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.48.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.49.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.52.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.52.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.53.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.56.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.56.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.57.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.58.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.59.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.60.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.60.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.61.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.62.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.62.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.92.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.120.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.120.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.176.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.176.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.177.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.178.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.178.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.179.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.180.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.180.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.181.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.242.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.242.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.243.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.254.0/23 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.254.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 157.203.255.0/24 | Atos IT Services UK Ltd | BGP | ANNOUNCED | ● high |
| 62.30.187.0/29 | ATOS-IT-SERVICES-UK-LTD | RIPE | ASSIGNED PA | ● low |
| 94.31.0.168/29 | Atos_IT_Services_UK_Limited | RIPE | ASSIGNED PA | ● low |
| 157.203.0.0/16 | Atos IT Services UK Ltd | RIPE | ALLOCATED PA | ● low |
| 212.250.23.64/26 | ATOS-IT-SERVICES-UK-LIMITED | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.0%
of checked blocks have valid RPKI ROA coverage
(50 of 51)
Possible discrepancies (1)
These blocks are registered to Atos IT Services UK Ltd 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.
| 212.250.43.0/24 /24 | authorized for AS5089 — Virgin Media Limited |
NIC Handles
ABOVENET-MNT
AS21369
AS5089-MNT
DUMY-RIPE
DUMY-RIPE
ORG-AISU1-RIPE
RIPE-NCC-HM-MNT
SEMA-UK-AS-MNT
SEMA-UK-AS-MNT