AS6871
British Telecommunications Limited
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Web3 footprint
AS6871 hosts 12 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS6871 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 31.125.0.0/16 | 17,260 | 2026-11-13 05:41:44 |
| 146.90.0.0/16 | 17,249 | 2026-11-13 05:41:44 |
| 194.75.80.0/20 | 17,173 | 2026-11-13 05:41:43 |
| 195.99.32.0/19 | 17,155 | 2026-11-13 05:41:43 |
| 87.114.0.0/16 | 17,002 | 2026-11-13 04:21:08 |
| 147.147.0.0/16 | 16,921 | 2026-11-13 04:21:08 |
| 212.56.64.0/18 | 16,735 | 2026-11-13 04:21:08 |
| 37.152.192.0/18 | 16,718 | 2026-11-13 05:41:43 |
| 194.75.220.0/22 | 16,698 | 2026-11-13 04:20:57 |
| 84.92.0.0/15 | 16,693 | 2026-11-13 04:20:53 |
| 87.112.0.0/16 | 16,640 | 2026-11-13 05:41:43 |
| 212.140.48.0/21 | 16,570 | 2026-11-13 04:21:08 |
| 195.99.224.0/20 | 16,569 | 2026-11-13 04:21:08 |
| 213.162.96.0/19 | 16,552 | 2026-11-13 05:41:44 |
| 217.32.176.0/22 | 16,540 | 2026-11-13 05:41:43 |
| 217.32.30.0/23 | 16,523 | 2026-11-13 05:41:41 |
| 212.140.32.0/20 | 16,520 | 2026-11-13 04:21:08 |
| 212.140.0.0/19 | 16,513 | 2026-11-13 04:21:08 |
| 213.31.0.0/16 | 16,485 | 2026-11-13 05:41:44 |
| 217.45.24.0/21 | 16,433 | 2026-11-13 05:41:43 |
| 195.166.128.0/19 | 16,415 | 2026-11-13 04:21:08 |
| 217.39.16.0/20 | 16,414 | 2026-11-13 04:20:57 |
| 51.9.0.0/16 | 16,379 | 2026-11-13 04:20:53 |
| 31.185.32.0/19 | 16,364 | 2026-11-13 04:21:08 |
| 146.66.32.0/19 | 16,326 | 2026-11-13 04:21:08 |
| 31.108.0.0/14 | 16,308 | 2026-11-13 05:41:43 |
| 217.32.32.0/20 | 16,300 | 2026-11-13 04:21:08 |
| 212.159.8.0/23 | 16,279 | 2026-11-13 04:21:08 |
| 217.45.96.0/20 | 16,243 | 2026-11-13 05:41:41 |
| 80.189.0.0/16 | 16,233 | 2026-11-13 04:21:08 |
| 80.229.0.0/16 | 16,222 | 2026-11-13 04:21:08 |
| 31.185.128.0/17 | 16,219 | 2026-11-13 04:21:08 |
| 87.115.0.0/16 | 16,174 | 2026-11-13 04:21:08 |
| 83.216.128.0/19 | 16,154 | 2026-11-13 05:41:44 |
| 195.99.88.0/21 | 16,142 | 2026-11-13 04:20:53 |
| 84.51.128.0/18 | 16,139 | 2026-11-13 04:20:53 |
| 46.208.0.0/16 | 16,127 | 2026-11-13 05:41:41 |
| 217.46.128.0/20 | 16,089 | 2026-11-13 04:21:08 |
| 81.174.128.0/17 | 16,082 | 2026-11-13 05:41:44 |
| 91.125.0.0/16 | 16,074 | 2026-11-13 05:41:44 |
| 212.159.32.0/19 | 16,065 | 2026-11-13 05:41:41 |
| 212.159.64.0/18 | 16,061 | 2026-11-13 04:21:21 |
| 51.6.0.0/15 | 16,056 | 2026-11-13 04:20:53 |
| 217.32.160.0/22 | 16,034 | 2026-11-13 04:21:21 |
| 87.113.0.0/16 | 16,024 | 2026-11-13 05:41:44 |
| 143.159.0.0/16 | 16,022 | 2026-11-13 05:41:43 |
| 194.75.0.0/19 | 16,011 | 2026-11-13 04:21:21 |
| 212.159.0.0/19 | 15,975 | 2026-11-13 04:21:08 |
| 195.99.8.0/21 | 15,968 | 2026-11-13 04:20:57 |
| 217.39.112.0/20 | 15,948 | 2026-11-13 05:41:44 |
Showing top 50 of 61 announced prefixes by sample volume.
Frequently Asked Questions
What is AS6871?
AS6871 is an Autonomous System Number assigned to British Telecommunications Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS6871 announce?
AS6871 announces 2.10M IPv4 addresses distributed across 83 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS6871?
AS6871 is operated by British Telecommunications Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS6871 registered in?
AS6871 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
