AS3300 British Telecommunications PLC

British Telecommunications PLC

AS Number 3300
Website http://www.bt.net

Overview
Prefixes
Connectivity
Whois
IX

Registered on: 19 Sep 2002 (22 years old)
Registered to: uk.btgia (ripe)

Network status: Active, Allocated under RIPE

Network type: Eyeball

Prefixes Originated: 110 IPv4, 29 IPv6

Upstreams

AS1299 - Arelion (fka. Telia Carrier)
AS2914 - NTT America, Inc.
AS3491 - PCCW Global, Inc.
AS4657 - StarHub Ltd
AS4637 - Telstra Global
AS6762 - Telecom Italia Sparkle (Seabone)
AS30844 - Liquid Intelligent Technologies
AS6461 - Zayo Bandwidth

Rankings

#30 for AS Cone in United Kingdom

#128 for Known Peers in United Kingdom

#18 for Originated IPv4 Space in United Kingdom

	Prefix	Description
	61.14.0.0/18	Infonet Services Corporation
	61.14.1.0/24	BT GIA
	61.14.2.0/23	Infonet Services Corporation
	61.14.4.0/22	Infonet Services Corporation
	61.14.7.0/24	Infonet Services Corporation
	61.14.8.0/22	BT GIA
	61.14.11.0/24	BT GIA
	61.14.12.0/22	BT GIA
	61.14.15.0/24	BT GIA
	61.14.20.0/22	Infonet Services Corporation
	61.14.24.0/22	Infonet Services Corporation
	61.14.28.0/22	Infonet Services Corporation
	61.14.31.0/24	BT GIA
	61.14.32.0/22	Infonet Services Corporation
	61.14.34.0/24	BT GIA
	61.14.36.0/22	Infonet Services Corporation
	61.14.36.0/24	BT-GIA-JP-net
	61.14.39.0/24	BT-GIA-JP-net
	61.14.40.0/22	BT ZA
	61.14.44.0/22	BT-ZA
	61.14.48.0/22	BT ZA
	61.14.52.0/24	Bt GIA
	63.250.128.0/18	INFONET Services Corporation
	63.250.128.0/22	INFONET Services Corporation
	63.250.131.0/24	INFONET Services Corporation
	63.250.132.0/24	INFONET Services Corporation
	63.250.132.0/22	INFONET Services Corporation
	63.250.135.0/24	INFONET Services Corporation
	63.250.136.0/22	INFONET Services Corporation
	63.250.140.0/22	INFONET Services Corporation
	63.250.144.0/22	INFONET Services Corporation
	63.250.144.0/24	INFONET Services Corporation
	63.250.147.0/24	INFONET Services Corporation
	63.250.148.0/22	INFONET Services Corporation
	63.250.151.0/24	INFONET Services Corporation
	63.250.152.0/22	INFONET Services Corporation
	63.250.155.0/24	INFONET Services Corporation
	63.250.156.0/22	INFONET Services Corporation
	63.250.159.0/24	INFONET Services Corporation
	63.250.160.0/22	INFONET Services Corporation
	63.250.163.0/24	INFONET Services Corporation
	63.250.164.0/24	INFONET Services Corporation
	63.250.168.0/22	INFONET Services Corporation
	63.250.171.0/24	INFONET Services Corporation
	63.250.172.0/24	INFONET Services Corporation
	63.250.173.0/24	INFONET Services Corporation
	63.250.174.0/24	INFONET Services Corporation
	63.250.176.0/22	INFONET Services Corporation
	63.250.180.0/22	INFONET Services Corporation
	63.250.184.0/22	INFONET Services Corporation
	63.250.187.0/24	INFONET Services Corporation
	63.250.189.0/24	INFONET Services Corporation
	63.250.191.0/24	INFONET Services Corporation
	72.29.128.0/20	INFONET Services Corporation
	72.29.132.0/22	INFONET Services Corporation
	136.238.168.0/24	HP Inc.
	136.238.185.0/24	HP Inc.
	136.238.187.0/24	HP Inc.
	136.238.229.0/24	HP Inc.
	136.238.232.0/24	HP Inc.
	136.238.238.0/24	HP Inc.
	136.238.239.0/24	HP Inc.
	136.238.240.0/24	HP Inc.
	136.238.241.0/24	HP Inc.
	136.238.243.0/24	HP Inc.
	185.249.5.0/24	Lumileds Holding B.V.
	185.249.6.0/24	Lumileds Holding B.V.
	192.92.18.0/24	BT CUSTOMER
	192.92.19.0/24	BT CUSTOMER
	192.92.20.0/22	INFONET Services Corporation
	192.92.24.0/21	INFONET Services Corporation
	192.92.32.0/19	INFONET Services Corporation
	192.92.80.0/23	INFONET Services Corporation
	192.92.82.0/24	INFONET Services Corporation
	192.157.130.0/23	INFONET Services Corporation
	192.157.132.0/22	INFONET Services Corporation
	192.157.136.0/21	INFONET Services Corporation
	192.157.144.0/20	INFONET Services Corporation
	192.157.160.0/23	INFONET Services Corporation
	192.237.64.0/18	INFONET Services Corporation
	194.33.52.0/24	KANTAR DORMANT 3 LIMITED
	195.206.69.0/24	British Telecommunications PLC
	195.206.70.0/24	British Telecommunications PLC
	198.137.75.0/24	INFONET Services Corporation
	198.178.237.0/24	KANTAR
	198.178.239.0/24	KANTAR
	198.207.64.0/22	INFONET Services Corporation
	198.207.64.0/18	INFONET Services Corporation
	199.6.64.0/18	INFONET Services Corporation
	203.187.128.0/22	BT-Infonet, Internet Service Provider
	203.187.128.0/19	BT-Infonet, Internet Service Provider
	203.187.145.0/24	BT GIA SNG
	203.187.146.0/24	BT GIA SNG
	204.52.187.0/24	KANTAR
	204.79.84.0/24	INFONET Services Corporation
	204.140.64.0/18	INFONET Services Corporation
	204.231.0.0/17	INFONET Services Corporation
	204.231.128.0/18	INFONET Services Corporation
	205.248.0.0/16	INFONET Services Corporation
	206.182.0.0/16	INFONET Services Corporation
	206.182.128.0/18	INFONET Services Corporation
	206.182.134.0/24	INFONET Services Corporation
	206.182.164.0/24	INFONET Services Corporation
	206.182.192.0/18	INFONET Services Corporation
	207.117.0.0/16	INFONET Services Corporation
	207.209.0.0/19	INFONET Services Corporation
	207.209.0.0/16	INFONET Services Corporation
	207.209.64.0/19	INFONET Services Corporation
	209.28.0.0/16	INFONET Services Corporation
	209.28.174.0/24	Internal-FW
	2402:fb00::/32	Infonet Services Corporation
	2402:fb00::/36	Infonet Services Corporation
	2402:fb00:f00::/40	Infonet Services Corporation
	2402:fb00:1000::/36	Infonet Services Corporation
	2402:fb00:1f00::/40	Infonet Services Corporation
	2402:fb00:2000::/36	Infonet Services Corporation
	2402:fb00:2f00::/40	Infonet Services Corporation
	2402:fb00:3000::/36	Infonet Services Corporation
	2402:fb00:3f00::/40	Infonet Services Corporation
	2606:f100::/32	BT Management Services
	2606:f100::/36	BT Management Services
	2606:f100:f00::/40	BT Management Services
	2606:f100:1000::/36	BT Management Services
	2606:f100:1f00::/40	BT Management Services
	2606:f100:2000::/36	BT Management Services
	2606:f100:2f00::/40	BT Management Services
	2606:f100:3000::/36	BT Management Services
	2606:f100:3f00::/40	BT Management Services
	2606:f100:4000::/36	BT Management Services
	2606:f100:4f00::/40	BT Management Services
	2606:f100:5000::/36	BT Management Services
	2606:f100:5f00::/40	BT Management Services
	2606:f100:6000::/36	BT Management Services
	2606:f100:7000::/36	BT Management Services
	2606:f100:7f00::/40	BT Management Services
	2606:f100:8000::/36	BT Management Services
	2606:f100:8f00::/40	BT Management Services
	2606:f100:9000::/36	BT Management Services
	2606:f100:c000::/36	BT Management Services

Last Update: 2025-06-12T03:24:55Z UTC

Member of the following AS-SETs

-	Member	ASN Count

Go to PeeringDB page

PeeringDB AS-SET:: AS-BT-GLOBAL

Suggested Prefix Limits

IPv4: 5000

IPv6: 1000

Internet Exchange Points

Name	IPv4	IPv6	Link Speed
Equinix Los Angeles	206.223.123.10	2001:504:0:3::3300:1	100 gbps
NYIIX New York	198.32.161.35	2001:504:1::a500:3300:1	100 gbps
Equinix Dallas	206.223.118.48	2001:504:0:5::3300:1	100 gbps
Equinix Ashburn	206.126.237.17	2001:504:0:2::3300:2	100 gbps
Equinix San Jose	206.223.116.144	2001:504:0:1::3300:2	100 gbps
Equinix Chicago	208.115.137.44	2001:504:0:4::3300:2	100 gbps
Equinix Dallas	206.223.118.206	2001:504:0:5::3300:2	20 gbps
Equinix Atlanta	198.32.182.14	2001:504:10::3:300:1	20 gbps
Equinix Chicago	208.115.136.197	2001:504:0:4::3300:1	10 gbps
Equinix Sydney	45.127.172.241	2001:de8:6::3300:1	10 gbps
Equinix Miami	198.32.243.176	2001:504:0:6::3300:1	10 gbps
Equinix Sydney	45.127.172.183	2001:de8:6::3300:2	10 gbps
HKIX	123.255.90.16	2001:7fa:0:1::ca28:a010	10 gbps
JPIX TOKYO	210.171.224.225	2001:de8:8::3300:1	10 gbps
IX.br (PTT.br) São Paulo	187.16.222.23	2001:12f8::222:23	10 gbps
Equinix Singapore	27.111.230.93	2001:de8:4::3300:2	10 gbps
Equinix Hong Kong	36.255.57.86	2001:de8:7::3300:1	10 gbps
Equinix Singapore	27.111.229.73	2001:de8:4::3300:1	10 gbps
Equinix Miami	198.32.243.101	2001:504:0:6::3300:2	10 gbps
TorIX	206.108.35.114	2001:504:1a::35:114	10 gbps
NAPAfrica IX Johannesburg	196.60.8.58	2001:43f8:6d0::58	10 gbps

Last Update: 2025-06-13T10:08:49Z UTC

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Upstreams

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Member of the following AS-SETs

Internet Exchange Points