AS21301

Natwest Markets PLC

AS 21301 UK-NATWEST-AS21301

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.

4,352 IP addresses
ASN21301
NameUK-NATWEST-AS21301
OrganizationNatwest Markets PLC
CountryUnited Kingdom  
RegistryRIPE NCC
IPv4 addresses4,352
IPv6 /64 networks0
Prefixes12
Other ASN allocated to Natwest Markets PLC
ASN Name IP addresses
21054 UK-NATWEST-AS21054 134,912
212885 UK-NATWEST-AS212885 0
IPv4 Prefixes for AS21301 - showing the first 10 of 12 networks
Network Location Addresses
155.136.144.0/24 Natwest   London 256
155.136.146.0/24 Natwest   London 256
155.136.151.0/24 Royal Bank of Scotland   London 256
155.136.200.0/24 Natwest   London 256
155.136.201.0/24 Natwest   London 256
155.136.56.0/22 Roy-Scot   London (Islington) 1,024
155.136.56.0/24 Roy-Scot   London (Islington) 256
155.136.57.0/24 Roy-Scot   London (Islington) 256
155.136.58.0/24 Roy-Scot   London (Islington) 256
155.136.59.0/24 Roy-Scot   London (Islington) 256