$ query “AS58273” --type=asn → 1 result(s)

AS58273 · B4RN-AS

Broadband for the Rural North Limited

AS58273 belongs to Broadband for the Rural North Limited and is a residential access provider, established in the United Kingdom in 2012. The system announces a respectable 23 296 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United Kingdom.

Basic Information

Country
🇬🇧 United Kingdom
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 12, 2012
Last Changed
March 04, 2026
Last Seen
August 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
48 / 15
IPv6 Prefixes (raw / aggregated)
20 / 17
IPv4 Addresses
23 296
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇬🇧 United Kingdom (33 792 IPs)
Prefix Changed
August 08, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
89 networks exchanging traffic without transit
Downstream Customers
1 downstream buying transit
Unclassified
4 unclassified BGP neighbors
Degree
98 unique BGP neighbors
Reach
1 network in customer cone

Upstream Providers (4)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS215638 — AS-CILIX-LIMITED

Prefix Lists

IPv4 Prefixes (48 total)

  • 148.252.16.0/20 (4 096 addresses (/20 prefix))
  • 88.97.112.0/20 (4 096 addresses (/20 prefix))
  • 88.97.128.0/20 (4 096 addresses (/20 prefix))
  • 88.97.144.0/21 (2 048 addresses (/21 prefix))
  • 5.83.8.0/21 (2 048 addresses (/21 prefix))
  • 88.97.152.0/22 (1 024 addresses (/22 prefix))
  • 185.89.32.0/22 (1 024 addresses (/22 prefix))
  • 185.201.32.0/22 (1 024 addresses (/22 prefix))
  • 185.243.104.0/22 (1 024 addresses (/22 prefix))
  • 194.113.44.0/22 (1 024 addresses (/22 prefix))
  • 185.217.156.0/23 (512 addresses (/23 prefix))
  • 194.31.184.0/23 (512 addresses (/23 prefix))
  • 88.97.156.0/24 (256 addresses (/24 prefix))
  • 185.159.91.0/24 (256 addresses (/24 prefix))
  • 194.31.187.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (20 total)

  • 2a10:cb80::/29
  • 2a01:6245::/34
  • 2a01:6244:8000::/34
  • 2a01:6247:8000::/34
  • 2a01:6247::/34
  • 2a01:6246::/34
  • 2a01:6242::/34
  • 2a01:6242:8000::/34
  • 2a01:6244::/34
  • 2a01:6243::/34
  • 2a01:6240:22::/47
  • 2a01:6240:80::/48
  • 2a01:6240::/48
  • 2a01:6240:30::/48
  • 2a01:6240:26::/48
  • 2a01:6240:24::/48
  • 2a01:6240:19::/48