AS21369 
Atos IT Services UK Ltd
SEMA-UK-AS · Mis à jour 21.10.2026 17:16 UTC
Infos AS
- Organisation
- Atos IT Services UK Ltd
- Nom de l’AS
- SEMA-UK-AS
- Pays
- Royaume-Uni
- Registre (RIR)
- RIPE ORG-AISU1-RIPE SEMA-UK-AS-MNT
- Enregistré
- 15.11.2001
- Vu pour la dernière fois dans BGP
- 21.10.2026 17:05 UTC
RPKI
48 ROA
Valide 46
Invalide 0
Aucun ROA 0
Localisation des préfixes
-
Royaume-Uni
46
Liens externes
Voisins vus depuis AS208972 ; les traits épais portent plus de routes.
AmontsAS21369Avals
Radware
ColtAucun dans la table de routage.
Aucun dans la table de routage.
| Préfixe | Description | Localisation | RPKI | Chemins |
|---|---|---|---|---|
| 157.203.6.0/24 | Hemel Hempstead | RPKI valide | 1 | |
| 157.203.6.0/23 | Hemel Hempstead | RPKI valide | 1 | |
| 157.203.7.0/24 | Hemel Hempstead | RPKI valide | 1 | |
| 157.203.36.0/24 | | RPKI valide | 1 | |
| 157.203.36.0/23 | | RPKI valide | 1 | |
| 157.203.37.0/24 | | RPKI valide | 1 | |
| 157.203.40.0/24 | | RPKI valide | 1 | |
| 157.203.40.0/23 | | RPKI valide | 1 | |
| 157.203.41.0/24 | | RPKI valide | 1 | |
| 157.203.42.0/24 | | RPKI valide | 1 | |
| 157.203.42.0/23 | | RPKI valide | 1 | |
| 157.203.43.0/24 | | RPKI valide | 1 | |
| 157.203.48.0/24 | | RPKI valide | 1 | |
| 157.203.48.0/23 | | RPKI valide | 1 | |
| 157.203.49.0/24 | | RPKI valide | 1 | |
| 157.203.52.0/24 | | RPKI valide | 1 | |
| 157.203.52.0/23 | | RPKI valide | 1 | |
| 157.203.53.0/24 | | RPKI valide | 1 | |
| 157.203.56.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.56.0/23 | Ealing | RPKI valide | 1 | |
| 157.203.57.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.58.0/23 | Ealing | RPKI valide | 1 | |
| 157.203.59.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.60.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.60.0/23 | Ealing | RPKI valide | 1 | |
| 157.203.61.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.62.0/24 | Ealing | RPKI valide | 1 | |
| 157.203.62.0/23 | Ealing | RPKI valide | 1 | |
| 157.203.92.0/23 | | RPKI valide | 1 | |
| 157.203.120.0/24 | | RPKI valide | 1 | |
| 157.203.120.0/23 | | RPKI valide | 1 | |
| 157.203.176.0/24 | | RPKI valide | 1 | |
| 157.203.176.0/23 | | RPKI valide | 1 | |
| 157.203.177.0/24 | | RPKI valide | 1 | |
| 157.203.178.0/24 | | RPKI valide | 1 | |
| 157.203.178.0/23 | | RPKI valide | 1 | |
| 157.203.179.0/24 | | RPKI valide | 1 | |
| 157.203.180.0/24 | | RPKI valide | 1 | |
| 157.203.180.0/23 | | RPKI valide | 1 | |
| 157.203.181.0/24 | | RPKI valide | 1 | |
| 157.203.242.0/24 | | RPKI valide | 1 | |
| 157.203.242.0/23 | | RPKI valide | 1 | |
| 157.203.243.0/24 | | RPKI valide | 1 | |
| 157.203.254.0/24 | | RPKI valide | 1 | |
| 157.203.254.0/23 | | RPKI valide | 1 | |
| 157.203.255.0/24 | | RPKI valide | 1 |
Aucun préfixe annoncé.
| Préfixe | Description | Retirés |
|---|---|---|
| 157.203.143.0/24 | 21.10.2026 12:21 | |
| 157.203.142.0/24 | 21.10.2026 12:21 | |
| 157.203.58.0/24 | 21.10.2026 12:21 |