IP subnet details

81.128.0.0/12

AS2856  — British Telecommunications PLC

Summary

Country
GB United Kingdom
Domain bt.com
Size 1,048,576
Registry RIPE NCC
Network Name BT-N3SP

Whois

inetnum: 81.128.0.0 - 81.143.255.255
netname: BT-INFRA
descr: BT Infrastructure Layer
country: GB
admin-c: BS1474-RIPE
tech-c: BS1474-RIPE
status: LIR-PARTITIONED PA
mnt-by: BTNET-INFRA-MNT
mnt-lower: BTNET-MNT
mnt-routes: BTNET-MNT
created: 2014-08-01T07:43:40Z
last-modified: 2014-08-01T07:43:40Z
source: RIPE

role: BTnet Support
address: Adhara
address: Adastral Park
address: Martlesham Heath
address: Ipswich
address: SUFFLK IP5 3RE
address: GB
phone: +44 800 0858963 5
phone: +44 1473 336231
e-mail: [email protected]
e-mail: [email protected]
admin-c: FLS15-RIPE
tech-c: BS1474-RIPE
nic-hdl: BS1474-RIPE
remarks: For all queries contact [email protected]
remarks: Please send delisting issues to [email protected]
mnt-by: BTNET-MNT
created: 2002-04-30T07:54:10Z
last-modified: 2009-11-19T15:52:52Z
source: RIPE

route: 81.128.0.0/12
descr: BT Public Internet Service
origin: AS2856
mnt-by: BTNET-INFRA-MNT
notify: [email protected]
created: 2005-06-16T14:11:53Z
last-modified: 2014-07-31T07:47:16Z
source: RIPE

CIDR IP address subranges within 81.128.0.0/12 subnet

  • 81.128.0.0/20
  • 81.128.16.0/20
  • 81.128.32.0/20
  • 81.128.48.0/20
  • 81.128.64.0/20
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  • 81.130.96.0/20
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  • 81.137.96.0/20
  • 81.137.112.0/20
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  • 81.139.0.0/20
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  • 81.140.0.0/20
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  • 81.141.144.0/20
  • 81.141.160.0/20
  • 81.141.176.0/20
  • 81.141.192.0/20
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  • 81.142.0.0/20
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  • 81.142.96.0/20
  • 81.142.112.0/20
  • 81.142.128.0/20
  • 81.142.144.0/20
  • 81.142.160.0/20
  • 81.142.176.0/20
  • 81.142.192.0/20
  • 81.142.208.0/20
  • 81.142.224.0/20
  • 81.142.240.0/20
  • 81.143.0.0/20
  • 81.143.16.0/20
  • 81.143.32.0/20
  • 81.143.48.0/20
  • 81.143.64.0/20
  • 81.143.80.0/20
  • 81.143.96.0/20
  • 81.143.112.0/20
  • 81.143.128.0/20
  • 81.143.144.0/20
  • 81.143.160.0/20
  • 81.143.176.0/20
  • 81.143.192.0/20
  • 81.143.208.0/20
  • 81.143.224.0/20
  • 81.143.240.0/20

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