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United States

AS3300

British Telecommunications PLC ISP registered in United States

122IPv4 prefixes
29IPv6 prefixes
71%RPKI-valid
#1,450AS Rank
#212Rank in United States
1994-10-28Allocated

British Telecommunications PLC (AS3300) — ISP, registered in United States. announces 122 IPv4 prefixes + 29 IPv6 prefixes. Rank in United States: #212. Allocated: 1994-10-28.

Announced prefixes · 151

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

0 100 2026-06-12 2026-06-14
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-12151
2026-06-13151
2026-06-14151

Internet Exchanges · 16

AS topology · Customer cone 23

Providers · 8

Peers · 66

Customers · 21

  • AS45187 Rackspace IT Hosting AS IT Hosting Provider Hong Kong
  • AS72 Schlumberger Limited
  • AS78 BT Americas, Inc
  • AS6220 inContact Inc.
  • AS7246 Bristol-Myers Squibb Company
  • AS18872 Cohesity, Inc.
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