AS3300 British Telecommunications Limited 🇬🇧 GB
Announcing 152 prefixes, seen at the RIS collectors.
IPv4 prefixes
123
604,416 (2,361 × /24)
IPv6 prefixes
29
3 × /32
Upstreams
11
transit providers observed
Peers
12
settlement-free adjacencies
Downstreams
19
transit customers observed
Customer cone
21
ASes reachable through it
Registry and operator data
- AS number
- AS3300
- Name
- British Telecommunications Limited
- Organisation
- British Telecom GIIB
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 1994-10-28
- Network type
- Cable/DSL/ISP
- Traffic levels
- 100-1000Mbps
- Scope
- Global
- Peering policy
- Selective
- IRR as-set
- AS-BT-GLOBAL
- Website
- http://www.bt.net
- PeeringDB
- net/257
- Exchanges
- 16
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
29 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2402:fb00::/32 v6 | RPKI valid | 35 | 244823300 | 2026-09-18 |
| 2402:fb00::/36 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:f00::/40 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:1000::/36 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:1f00::/40 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:2000::/36 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:2f00::/40 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:3000::/36 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2402:fb00:3f00::/40 v6 | RPKI valid | 36 | 244823300 | 2026-09-18 |
| 2606:f100::/32 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:f00::/40 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:1000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:1f00::/40 v6 | no ROA | 36 | 244823300 | 2026-09-18 |
| 2606:f100:2000::/36 v6 | no ROA | 32 | 3800190023300 | 2026-09-18 |
| 2606:f100:2f00::/40 v6 | no ROA | 32 | 3800190023300 | 2026-09-18 |
| 2606:f100:3000::/36 v6 | no ROA | 33 | 377213300 | 2026-09-18 |
| 2606:f100:3f00::/40 v6 | no ROA | 33 | 377213300 | 2026-09-18 |
| 2606:f100:4000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:4f00::/40 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:5000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:5f00::/40 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:6000::/36 v6 | no ROA | 33 | 38001308443300 | 2026-09-18 |
| 2606:f100:7000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:7f00::/40 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:8000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:8f00::/40 v6 | no ROA | 32 | 149073300 | 2026-09-18 |
| 2606:f100:9000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |
| 2606:f100:c000::/36 v6 | no ROA | 33 | 226523300 | 2026-09-18 |