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

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
  • 81.128.80.0/20
  • 81.128.96.0/20
  • 81.128.112.0/20
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  • 81.128.144.0/20
  • 81.128.160.0/20
  • 81.128.176.0/20
  • 81.128.192.0/20
  • 81.128.208.0/20
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  • 81.129.32.0/20
  • 81.129.48.0/20
  • 81.129.64.0/20
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  • 81.129.96.0/20
  • 81.129.112.0/20
  • 81.129.128.0/20
  • 81.129.144.0/20
  • 81.129.160.0/20
  • 81.129.176.0/20
  • 81.129.192.0/20
  • 81.129.208.0/20
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  • 81.129.240.0/20
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  • 81.130.48.0/20
  • 81.130.64.0/20
  • 81.130.80.0/20
  • 81.130.96.0/20
  • 81.130.112.0/20
  • 81.130.128.0/20
  • 81.130.144.0/20
  • 81.130.160.0/20
  • 81.130.176.0/20
  • 81.130.192.0/20
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  • 81.130.240.0/20
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  • 81.131.64.0/20
  • 81.131.80.0/20
  • 81.131.96.0/20
  • 81.131.112.0/20
  • 81.131.128.0/20
  • 81.131.144.0/20
  • 81.131.160.0/20
  • 81.131.176.0/20
  • 81.131.192.0/20
  • 81.131.208.0/20
  • 81.131.224.0/20
  • 81.131.240.0/20
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  • 81.132.64.0/20
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  • 81.132.96.0/20
  • 81.132.112.0/20
  • 81.132.128.0/20
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  • 81.132.160.0/20
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  • 81.132.192.0/20
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  • 81.133.0.0/20
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  • 81.133.48.0/20
  • 81.133.64.0/20
  • 81.133.80.0/20
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  • 81.133.112.0/20
  • 81.133.128.0/20
  • 81.133.144.0/20
  • 81.133.160.0/20
  • 81.133.176.0/20
  • 81.133.192.0/20
  • 81.133.208.0/20
  • 81.133.224.0/20
  • 81.133.240.0/20
  • 81.134.0.0/20
  • 81.134.16.0/20
  • 81.134.32.0/20
  • 81.134.48.0/20
  • 81.134.64.0/20
  • 81.134.80.0/20
  • 81.134.96.0/20
  • 81.134.112.0/20
  • 81.134.128.0/20
  • 81.134.144.0/20
  • 81.134.160.0/20
  • 81.134.176.0/20
  • 81.134.192.0/20
  • 81.134.208.0/20
  • 81.134.224.0/20
  • 81.134.240.0/20
  • 81.135.0.0/20
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  • 81.135.112.0/20
  • 81.135.128.0/20
  • 81.135.144.0/20
  • 81.135.160.0/20
  • 81.135.176.0/20
  • 81.135.192.0/20
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  • 81.135.240.0/20
  • 81.136.0.0/20
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  • 81.136.64.0/20
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  • 81.136.112.0/20
  • 81.136.128.0/20
  • 81.136.144.0/20
  • 81.136.160.0/20
  • 81.136.176.0/20
  • 81.136.192.0/20
  • 81.136.208.0/20
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  • 81.136.240.0/20
  • 81.137.0.0/20
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  • 81.137.48.0/20
  • 81.137.64.0/20
  • 81.137.80.0/20
  • 81.137.96.0/20
  • 81.137.112.0/20
  • 81.137.128.0/20
  • 81.137.144.0/20
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  • 81.139.192.0/20
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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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  • 81.141.240.0/20
  • 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
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  • 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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