ASN Information - AS13205

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General Information

Name: British Telecommunications PLC
Domain: bt.com
Country: GB
Type: business
Registry: RIPE_NCC

Prefix Counts

IPv4 Count: 21,760
IPv6 Count: 0

IPv4 Prefixes

CIDR Country Network Name Organization Registry Status Size
31.11.56.0/23 NL BT-ICH-AMS-NIE BT Dcs Niewegein Data Centre RIPE_NCC ASSIGNED PA 512
31.11.58.0/24 NL BT-ICH-AMS-NIE BT Dcs Niewegein Data Centre RIPE_NCC ASSIGNED PA 256
78.109.0.0/20 NL BT-ICH-AMS-HEM BT Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 4,096
78.109.0.0/24 NL BT-ICH-AMS-HEM BT Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 256
78.109.5.0/24 NL BT-ICH-AMS-HEM BT Dcs Amsterdam International Data Centre RIPE_NCC ASSIGNED PA 256
78.109.6.0/24 NL BT-ICH-AMS-HEM BT Global Services Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 256
78.109.7.0/24 NL BT-ICH-AMS-HEM BT Dcs BT Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 256
78.109.9.0/24 NL BT-ICH-BEN BT Dual Site Internet RIPE_NCC ASSIGNED PA 256
78.109.10.0/24 NL BT-ICH-AMS-UTR BT Dcs Amsterdam International Data Centre RIPE_NCC ASSIGNED PA 256
78.109.11.0/24 NL BT-ICH-AMS-UTR BT Dcs Amsterdam International Data Centre RIPE_NCC ASSIGNED PA 256
137.213.239.0/24 GB STERIAUK Sopra Steria Limited RIPE_NCC LEGACY 256
137.213.252.0/23 GB STERIAUK Sopra Steria Limited RIPE_NCC LEGACY 512
192.31.31.0/24 GB AXION-NET British Telecommunications PLC RIPE_NCC LEGACY 256
192.65.153.0/24 GB BT-ITS BT Group Computing Services RIPE_NCC LEGACY 256
217.140.0.0/20 NL BT-ICH-AMS-UTR BT Dcs Amsterdam International Data Centre RIPE_NCC ASSIGNED PA 4,096
217.140.12.0/24 NL BT-ICH-AMS-HEM BT Global Services Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 256
217.140.12.0/22 NL BT-ICH-AMS-HEM BT Global Services Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 1,024
217.140.13.0/24 NL BT-ICH-AMS-HEM BT Global Services Dcs Hempoint Data Centre RIPE_NCC ASSIGNED PA 256
217.140.32.0/19 GB BT-CARDIFFBAY-IDC BT Global Services Dcs Cardiff Bay Data Centre RIPE_NCC ASSIGNED PA 8,192

Network Relationships

Upstreams: AS2856, AS5400