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British Telecommunications Limited

British Telecommunications Limited uses 1,035,423 IPv4 addresses in 302 ranges, and 2 IPv6 ranges, by the registry records IP Company reads.

plus.net·United Kingdom

1,035,423
IPv4 addresses
302
IPv4 ranges
2
IPv6 ranges
1
AS it operates
1
country

About the company

Who it is, where it is registered and who owns it.

Description
British internet service provider
Founded
1997
Headquarters
Sheffield, United Kingdom
Industry
Internet
Parent
BT Group

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS6871 British Telecommunications Limited1,035,423 · 100.00%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. United Kingdom1,037,568 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS6871British Telecommunications LimitedISPUnited Kingdom2,097,664

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS6871Open300-500GbpsMostly InboundEurope00

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
45.3 Mbps
median download
24.1 Mbps
median upload
46,480
download tests
46,756
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

first 100 of 304 ranges
RANGEIPV4ORIGIN
51.6.0.0/15131,072AS6871
146.90.0.0/1665,536AS6871
147.147.0.0/1665,536AS6871
195.213.0.0/1665,536AS6871
213.31.0.0/1665,536AS6871
46.208.0.0/1665,536AS6871
51.9.0.0/1665,536AS6871
91.125.0.0/1665,536AS6871
87.115.0.0-87.115.235.25560,416AS6871
87.113.0.0-87.113.219.25556,320AS6871
84.93.64.0/1816,384AS6871
84.93.128.0/1816,384AS6871
84.93.192.0/204,096AS6871
84.92.128.0/1732,768AS6871
80.189.176.0-80.189.255.3120,256AS6871
37.152.192.0/1816,384AS6871
80.189.1.0-80.189.64.25516,384AS6871
84.93.0.0/1816,384AS6871
212.140.0.0/198,192AS6871
212.140.32.0/204,096AS6871
212.140.48.0/212,048AS6871
87.112.200.0-87.112.247.25512,288AS6871
87.114.220.0/221,024AS6871
87.114.224.0/198,192AS6871
194.75.0.0/198,192AS6871
195.99.32.0/198,192AS6871
80.229.96.0/198,192AS6871
81.174.192.0-81.174.221.2557,680AS6871
87.114.172.0/221,024AS6871
87.114.176.0/204,096AS6871
87.114.192.0/212,048AS6871
80.189.66.0-80.189.90.1276,272AS6871
87.115.236.0/221,024AS6871
87.115.240.0/204,096AS6871
217.32.30.0/23512AS6871
217.32.32.0/204,096AS6871
84.93.230.0/23512AS6871
84.93.232.0/212,048AS6871
84.93.240.0/212,048AS6871
194.75.80.0/204,096AS6871
195.99.224.0/204,096AS6871
217.32.148.0/221,024AS6871
217.32.152.0/212,048AS6871
217.32.160.0/221,024AS6871
217.39.112.0/204,096AS6871
217.39.16.0/204,096AS6871
217.45.96.0/204,096AS6871
217.46.128.0/204,096AS6871
84.93.208.0-84.93.222.2553,840AS6871
80.189.144.0/212,048AS6871
80.189.152.0/221,024AS6871
80.189.156.0/24256AS6871
80.189.160.0/212,048AS6871
80.189.168.0/221,024AS6871
80.189.172.0/24256AS6871
84.51.135.0-84.51.146.2553,072AS6871
84.51.148.0/221,024AS6871
84.51.152.0/212,048AS6871
84.51.180.0/221,024AS6871
84.51.184.0/212,048AS6871
195.99.8.0/212,048AS6871
195.99.88.0/212,048AS6871
217.45.24.0/212,048AS6871
80.229.72.0/212,048AS6871
84.92.0.0/212,048AS6871
84.93.248.0/212,048AS6871
84.51.161.0/24256AS6871
84.51.162.0/23512AS6871
84.51.164.0/221,024AS6871
80.189.106.0/23512AS6871
80.189.108.0/221,024AS6871
84.51.128.0/221,024AS6871
84.51.132.0/23512AS6871
80.189.100.0/221,024AS6871
80.189.104.0/24256AS6871
84.93.225.0/24256AS6871
84.93.226.0/23512AS6871
84.93.228.0/23512AS6871
194.75.220.0/221,024AS6871
217.32.112.0/221,024AS6871
217.32.176.0/221,024AS6871
217.46.24.0/221,024AS6871
87.114.168.0/221,024AS6871
87.114.200.0/221,024AS6871
87.114.216.0/221,024AS6871
212.159.0.0/23512AS6871
212.159.2.0/24256AS6871
80.189.157.0/24256AS6871
80.189.158.0/23512AS6871
80.189.173.0/24256AS6871
80.189.174.0/23512AS6871
195.166.128.0/23512AS6871
212.159.32.0/23512AS6871
212.159.36.0/23512AS6871
212.159.40.0/23512AS6871
80.189.96.0/23512AS6871
81.174.253.41-81.174.254.223439AS6871
212.56.96.0-212.56.97.103360AS6871
212.56.83.192/2664AS6871
212.56.84.0/24256AS6871
212.56.70.38-212.56.71.63282AS6871
195.166.130.0/24256AS6871
195.166.132.0/24256AS6871
195.166.135.0/24256AS6871
195.166.137.0/24256AS6871
212.159.4.0/24256AS6871
213.162.96.0/24256AS6871
80.189.65.0/24256AS6871
80.189.92.0/24256AS6871
80.189.93.0/24256AS6871
80.189.94.0/24256AS6871
80.189.95.0/24256AS6871
80.189.98.0/24256AS6871
80.189.99.0/24256AS6871
81.174.252.0/24256AS6871
84.93.223.0/24256AS6871
84.93.224.0/24256AS6871
213.162.127.8-213.162.127.255248AS6871
212.56.104.0/25128AS6871
212.56.104.128/2664AS6871
212.56.104.192/2732AS6871
213.162.99.32/2732AS6871
213.162.99.64/2664AS6871
213.162.99.128/25128AS6871
80.189.255.32/2732AS6871
80.189.255.64/2664AS6871
80.189.255.128/25128AS6871
80.229.192.0/25128AS6871
80.229.192.128/2664AS6871
80.229.192.192/2816AS6871
81.174.255.16-81.174.255.207192AS6871
212.56.69.40-212.56.69.223184AS6871
212.56.83.0-212.56.83.183184AS6871
212.159.6.32/2732AS6871
212.159.6.64/2664AS6871
212.159.6.128/2664AS6871
212.56.73.0/25128AS6871
212.56.73.128/2732AS6871
195.166.156.0/25128AS6871
212.159.14.0/25128AS6871
212.159.14.128/25128AS6871

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. British Telecommunications Limited655,255 · 63.28%
  2. Plusnet plc157,184 · 15.18%
  3. Plusnet PLC139,776 · 13.50%
  4. PlusNet Technologies Ltd40,448 · 3.91%
  5. PlusNet plc.37,376 · 3.61%
  6. Plusnet plc.3,328 · 0.32%
  7. PlusNet Core Network Infrastructure2,048 · 0.20%
  8. British Association for Counselling and Psychotherapy8 · 0.00%
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