British Telecommunications PLC operates AS6871: 53 IPv4 prefixes covering 2,097,664 addresses, most of them in 
United Kingdom.
By IPv4 addresses the network ranks #188 worldwide and #7 of 1,931 networks in United Kingdom. That is 1.6% of the country’s IPv4 space.
The network spreads across 2 countries: United Kingdom 100%, Germany 0.01%.
The largest block is 87.112.0.0 to 87.115.255.255 with 262,144 addresses, geolocated to London (South Bank).
- IPv4 addresses
- 2,097,664
- IPv4 prefixes
- 53
- World rank
- #188
- Country share
- 1.6%
- IPv6 ranges
- 2
Addresses by country
- United Kingdom 100%
Germany 0.01%
Largest blocks
- 87.112.0.0 London (South Bank)262,144
- 31.108.0.0 Hatfield262,144
- 146.198.0.0 London (South Bank)196,608
- 84.92.0.0 London (South Bank)131,072
- 51.6.0.0 Oban131,072
- 213.31.0.0 London (Colindale)65,536
- 209.93.0.0 London (South Bank)65,536
- 195.213.0.0 London65,536
Networks of similar size
- AS12400 Partner Communications Ltd.
2,141,952 - AS270 National Aeronautics and Space Administration
2,119,424 - AS553 Universitaet Stuttgart2,109,696
- AS9498 Bharti Airtel Limited
2,108,451 - AS2514 NTT PC Communications, Inc.
2,078,720 - AS367 DoD Network Information Center2,072,320
- AS6730 Sunrise GmbH
1,988,608 - AS22085 Claro S/A
1,972,736
IPv4 prefixes
- 31.108.0.0/14
- 31.125.0.0/16
- 31.185.32.0/19
- 31.185.128.0/17
- 37.152.192.0/18
- 46.208.0.0/16
- 51.6.0.0/15
- 51.9.0.0/16
- 80.189.0.0/16
- 80.229.0.0/16
- 81.174.128.0/17
- 83.216.128.0/19
- 84.51.128.0/18
- 84.92.0.0/15
- 87.112.0.0/14
- 91.125.0.0/16
- 143.159.0.0/16
- 146.66.32.0/19
- 146.90.0.0/16
- 146.198.0.0/15
- 146.200.0.0/16
- 147.147.0.0/16
- 150.143.0.0/16
- 194.75.0.0/19
- 194.75.80.0/20
- 194.75.220.0/22
- 195.99.8.0/21
- 195.99.32.0/19
- 195.99.88.0/21
- 195.99.224.0/20
- 195.166.128.0/19
- 195.213.0.0/16
- 209.93.0.0/16
- 212.56.64.0/18
- 212.140.0.0/19
- 212.140.32.0/20
- 212.140.48.0/21
- 212.159.0.0/17
- 213.31.0.0/16
- 213.162.96.0/19
- 217.32.30.0/23
- 217.32.32.0/20
- 217.32.112.0/22
- 217.32.148.0/22
- 217.32.152.0/21
- 217.32.160.0/22
- 217.32.176.0/22
- 217.39.16.0/20
- 217.39.112.0/20
- 217.45.24.0/21
- 217.45.96.0/20
- 217.46.24.0/22
- 217.46.128.0/20
Questions and answers
Who owns AS6871?
Autonomous system AS6871 is operated by British Telecommunications PLC.
How many IP addresses does AS6871 have?
The network holds 2,097,664 IPv4 addresses in 53 prefixes, plus 2 IPv6 ranges.
Which country is AS6871 in?
The main country is United Kingdom, with addresses in 1 more countries.
How big is AS6871?
By IPv4 addresses it ranks #188 worldwide.
What is the largest address block of AS6871?
87.112.0.0 to 87.115.255.255, 262,144 addresses.