AS51263
County Broadband Ltd
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 3 internet exchanges: LONAP: LON0, LINX LON2, LINX LON1: Main
AS51263 — global IP footprint
Cities where AS51263 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 168.86.192.0/19 | 8.2K |
0.0%
|
County Broadband Ltd | GB | England | Colchester |
| 62.56.176.0/20 | 4.1K |
0.0%
|
County Broadband Ltd | GB | England | Cambridge |
| 178.251.176.0/21 | 2.0K |
4.9%
|
County Broadband Ltd | GB | England | Colchester |
| 213.244.200.0/21 | 2.0K |
0.4%
|
County Broadband Ltd | GB | England | Sudbury |
| 185.25.56.0/22 | 1.0K |
0.0%
|
County Broadband Ltd | GB | England | Colchester |
| 185.164.180.0/22 | 1.0K |
0.1%
|
County Broadband Ltd | GB | England | Braintree |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51263 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 |
|---|---|---|
| 185.25.56.0/22 | 15,029 | 2026-07-23 20:30:14 |
| 178.251.181.0/24 | 14,794 | 2026-07-23 20:30:13 |
| 178.251.182.0/24 | 14,769 | 2026-07-23 20:30:13 |
| 178.251.179.0/24 | 14,763 | 2026-07-23 20:30:13 |
| 178.251.180.0/24 | 14,756 | 2026-07-23 20:30:13 |
| 178.251.177.0/24 | 14,755 | 2026-07-23 20:30:13 |
| 178.251.183.0/24 | 14,754 | 2026-07-23 20:30:13 |
| 178.251.178.0/24 | 14,749 | 2026-07-23 20:30:13 |
| 178.251.176.0/24 | 13,913 | 2026-07-23 20:30:13 |
| 168.86.192.0/19 | 4,636 | 2026-07-23 20:47:52 |
| 62.56.176.0/20 | 4,503 | 2026-07-23 20:45:24 |
| 185.164.180.0/22 | 4,489 | 2026-07-23 20:47:39 |
| 213.244.200.0/21 | 4,410 | 2026-07-23 20:48:29 |
| 185.164.180.0/24 | 6 | 2026-07-10 13:00:01 |
Frequently Asked Questions
What is AS51263?
AS51263 is an Autonomous System Number assigned to County Broadband Ltd. 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 AS51263 announce?
AS51263 announces 18.4K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS51263?
AS51263 is operated by County Broadband Ltd. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS51263 registered in?
AS51263 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
