AS3300 British Telecommunications Plc
General Info - AS3300
668,160
152,576,109,841,923,118,881,317,060,608
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 2402:fb00::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2402:fb00:800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2402:fb00:c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:1000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2402:fb00:1800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2402:fb00:1c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:1e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:1f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:2000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2402:fb00:2800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2402:fb00:2c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:2e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:2f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:3000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2402:fb00:3800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2402:fb00:3c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:3e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:3f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:4000::/34 | 19,807,040,628,566,084,398,385,987,584 | |
| 2402:fb00:8200::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:8600::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:8900::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2402:fb00:8a00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2402:fb00:8c00::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2402:fb00:9000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2402:fb00:a000::/35 | 9,903,520,314,283,042,199,192,993,792 | |
| 2402:fb00:c000::/34 | 19,807,040,628,566,084,398,385,987,584 | |
| 2606:f100::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:1000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:1800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:1c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:1e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:1f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:2000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:2800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:2c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:2e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:2f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:3000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:3800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:3c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:3e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:3f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:4000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:4800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:4c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:4e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:4f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:5000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:5800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:5c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:5e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:5f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:6000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2606:f100:7000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:7800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:7c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:7e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:7f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:8000::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2606:f100:8800::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2606:f100:8c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:8e00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:8f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2606:f100:9000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2606:f100:a000::/35 | 9,903,520,314,283,042,199,192,993,792 | |
| 2606:f100:c000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2606:f100:d200::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2606:f100:e000::/35 | 9,903,520,314,283,042,199,192,993,792 |
Upstreams
- AS1299 Arelion Sweden AB
- AS1403 EBOX
- AS2497 Internet Initiative Japan Inc.
- AS2914 NTT America Inc.
- AS3303 Swisscom (Schweiz) AG
- AS3491 PCCW Global (HK) Ltd.
- AS3741 NTT Data Inc Infrastructure Solutions Core Mea
- AS4637 Telstra Global
- AS4657 StarHub Ltd
- AS6461 Zayo Bandwidth
- AS6762 Telecom Italia Sparkle S.p.A.
- AS6939 Hurricane Electric LLC
- AS9002 RETN Limited
- AS22652 Videotron Ltee
- AS30844 Liquid Telecommunications Ltd
- AS31713 Gateway Communications
- AS37100 SEACOM Limited
Downstreams
- AS72 Schlumberger Limited
- AS78 BT Americas Inc
- AS6220 inContact Inc.
- AS7246 Bristol-Myers Squibb Company
- AS12200 Rackspace Hosting
- AS18872 Cohesity Inc.
- AS19812 BT Americas Inc
- AS22683 Koninklijke Philips N.V.
- AS26478 Novartis Pharmaceuticals
- AS27000 Coty Inc
- AS40126 Molson Coors Beverage Company
- AS40659 BMW of North America LLC (Group Data Centers America)
- AS45187 Rackspace IT Hosting AS IT Hosting Provider Hong Kong
- AS48647 Solvay SA
- AS55290 Depository Trust & Clearing Corporation
- AS133782 Elsevier Ltd
- AS136767 BMW AG (Bayerische Motoren Werke Aktiengesellschaft)
- AS141399 Specsavers Pty Ltd
- AS212565 Specsavers Optical Group Limited
- AS393493 Lotte Biologics USA LLC
- AS399449 Kyndryl
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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