AS51263 County Broadband Ltd 🇬🇧 GB
Announcing 15 prefixes, seen at the RIS collectors.
IPv4 prefixes
14
20,480 (80 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
6
transit providers observed
Peers
13
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS51263
- Name
- County Broadband Ltd
- Organisation
- County Broadband Ltd
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2010-07-05
- Network type
- Cable/DSL/ISP
- Traffic levels
- 50-100Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-CBB
- Website
- http://www.countybroadband.co.uk
- PeeringDB
- net/6377
- Exchanges
- 3
- Facilities
- 3
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
15 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 62.56.176.0/20 v4 | RPKI valid | 46 | 5030051263 | 2026-09-18 |
| 136.148.152.0/21 v4 | RPKI valid | 46 | 5030051263 | 2026-09-18 |
| 168.86.192.0/19 v4 | RPKI valid | 46 | 5030051263 | 2026-09-18 |
| 178.251.176.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.177.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.178.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.179.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.180.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.181.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.182.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 178.251.183.0/24 v4 | RPKI valid | 42 | 5030051263 | 2026-09-18 |
| 185.25.56.0/22 v4 | RPKI valid | 43 | 3454951263 | 2026-09-18 |
| 185.164.180.0/22 v4 | RPKI valid | 46 | 5030051263 | 2026-09-18 |
| 213.244.200.0/21 v4 | RPKI valid | 46 | 5030051263 | 2026-09-18 |
| 2a0b:4c00::/29 v6 | RPKI valid | 35 | 5030051263 | 2026-09-18 |