AS21369
Atos IT Services UK Ltd
AS 21369 SEMA-UK-AS
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 21369 |
|---|---|
| Name | SEMA-UK-AS |
| Organization | Atos IT Services UK Ltd |
| Country | United Kingdom |
| Registry | RIPE NCC |
IPv4 Prefixes for AS21369 - showing the first 20 of 31 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 157.203.120.0/24 | Atos IT Services UK Ltd |  London |
256 |
| 157.203.142.0/24 | Atos IT Services UK Ltd | London |
256 |
| 157.203.143.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.176.0/24 | Atos IT Services UK Ltd | Winnersh |
256 |
| 157.203.177.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.178.0/24 | Atos IT Services UK Ltd | London |
256 |
| 157.203.179.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.180.0/24 | Atos IT Services UK Ltd | Manchester |
256 |
| 157.203.181.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.242.0/24 | Atos Origin Internet Scottish Datacentre | Birmingham |
256 |
| 157.203.243.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.254.0/24 | Atos IT Services UK Ltd | Swindon |
256 |
| 157.203.255.0/24 | Atos IT Services UK Ltd | Swindon |
256 |
| 157.203.36.0/24 | Atos IT Services UK Ltd | London |
256 |
| 157.203.37.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.40.0/24 | Atos IT Services UK Ltd | London |
256 |
| 157.203.41.0/24 | Atos IT Services UK Ltd | Leeds |
256 |
| 157.203.42.0/24 | ATOS Origin IT Andover Internet | Birmingham |
256 |
| 157.203.43.0/24 | Atos IT Services UK Ltd | Winnersh |
256 |
| 157.203.48.0/24 | Atos IT Services UK Ltd | London |
256 |