The IP API The IP API
// ASN

AS51809

BRSK, GB

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS51809
Organization
Broadband customers
Description
BRSK, GB
Country
GB
Registry (RIR)
RIPE
Created
2021-01-15
Updated
2025-02-05
IPv4 Prefixes
38
IPv6 Prefixes
1

IPv4 Prefixes

38 total · showing first 10
104.238.40.0/21
104.238.58.0/23
104.238.62.0/23
185.138.196.0/22
185.232.119.0/24
195.40.32.0/24
195.40.33.0/24
195.40.34.0/24
195.40.35.0/24
195.40.36.0/24

IPv6 Prefixes

1 total
2a10:d580::/29

What is AS51809?

AS51809 is an Autonomous System Number (ASN) assigned to Broadband customers. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.