$ query “AS6871” --type=asn → 1 result(s)

AS6871 · PLUSNET

British Telecommunications Limited

AS6871 is operated by British Telecommunications Limited and serves as a stub network, registered in the United Kingdom since 2002. The system announces an impressive 2.1 million IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in the United Kingdom, with additional presence in the United States.

Basic Information

Country
🇬🇧 United Kingdom
Category
Internet Service Provider
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 08, 2002
Last Changed
June 30, 2026
Last Seen
July 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
61 / 53
IPv6 Prefixes (raw / aggregated)
3 / 2
IPv4 Addresses
2 097 664
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇬🇧 United Kingdom (3 334 656 IPs), 🇺🇸 United States (589 824 IPs)
Prefix Changed
June 13, 2026

Reputation

Reputation
Good — 29 flagged IPs out of 2 097 664 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Degree
1 unique BGP neighbor
Reach
0 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (61 total)

  • 31.108.0.0/14 (262 144 addresses (/14 prefix))
  • 87.112.0.0/14 (262 144 addresses (/14 prefix))
  • 51.6.0.0/15 (131 072 addresses (/15 prefix))
  • 146.198.0.0/15 (131 072 addresses (/15 prefix))
  • 84.92.0.0/15 (131 072 addresses (/15 prefix))
  • 146.90.0.0/16 (65 536 addresses (/16 prefix))
  • 209.93.0.0/16 (65 536 addresses (/16 prefix))
  • 51.9.0.0/16 (65 536 addresses (/16 prefix))
  • 80.189.0.0/16 (65 536 addresses (/16 prefix))
  • 80.229.0.0/16 (65 536 addresses (/16 prefix))
  • 46.208.0.0/16 (65 536 addresses (/16 prefix))
  • 213.31.0.0/16 (65 536 addresses (/16 prefix))
  • 31.125.0.0/16 (65 536 addresses (/16 prefix))
  • 150.143.0.0/16 (65 536 addresses (/16 prefix))
  • 147.147.0.0/16 (65 536 addresses (/16 prefix))
  • 91.125.0.0/16 (65 536 addresses (/16 prefix))
  • 143.159.0.0/16 (65 536 addresses (/16 prefix))
  • 146.200.0.0/16 (65 536 addresses (/16 prefix))
  • 195.213.0.0/16 (65 536 addresses (/16 prefix))
  • 81.174.128.0/17 (32 768 addresses (/17 prefix))
  • 212.159.0.0/17 (32 768 addresses (/17 prefix))
  • 31.185.128.0/17 (32 768 addresses (/17 prefix))
  • 37.152.192.0/18 (16 384 addresses (/18 prefix))
  • 212.56.64.0/18 (16 384 addresses (/18 prefix))
  • 84.51.128.0/18 (16 384 addresses (/18 prefix))
  • 213.162.96.0/19 (8 192 addresses (/19 prefix))
  • 194.75.0.0/19 (8 192 addresses (/19 prefix))
  • 195.99.32.0/19 (8 192 addresses (/19 prefix))
  • 31.185.32.0/19 (8 192 addresses (/19 prefix))
  • 83.216.128.0/19 (8 192 addresses (/19 prefix))
  • 195.166.128.0/19 (8 192 addresses (/19 prefix))
  • 146.66.32.0/19 (8 192 addresses (/19 prefix))
  • 212.140.0.0/19 (8 192 addresses (/19 prefix))
  • 194.75.80.0/20 (4 096 addresses (/20 prefix))
  • 217.39.16.0/20 (4 096 addresses (/20 prefix))
  • 212.140.32.0/20 (4 096 addresses (/20 prefix))
  • 217.46.128.0/20 (4 096 addresses (/20 prefix))
  • 195.99.224.0/20 (4 096 addresses (/20 prefix))
  • 217.45.96.0/20 (4 096 addresses (/20 prefix))
  • 217.32.32.0/20 (4 096 addresses (/20 prefix))
  • 217.39.112.0/20 (4 096 addresses (/20 prefix))
  • 212.140.48.0/21 (2 048 addresses (/21 prefix))
  • 195.99.88.0/21 (2 048 addresses (/21 prefix))
  • 195.99.8.0/21 (2 048 addresses (/21 prefix))
  • 217.45.24.0/21 (2 048 addresses (/21 prefix))
  • 217.32.152.0/21 (2 048 addresses (/21 prefix))
  • 217.32.112.0/22 (1 024 addresses (/22 prefix))
  • 217.32.176.0/22 (1 024 addresses (/22 prefix))
  • 217.32.160.0/22 (1 024 addresses (/22 prefix))
  • 217.32.148.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (3 total)

  • 2a06:7200::/29
  • 2a02:16c8::/32