$ query “AS51519” --type=asn → 1 result(s)

AS51519 · KARABRO

Karabro AB

AS51519 belongs to Karabro AB and is a mid-size transit provider, based in Sweden since 2021. The system announces 1 024 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Sweden.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇸🇪 Sweden
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 29, 2021
Last Changed
June 01, 2026
Last Seen
June 08, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 / 1
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
1 024
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇸🇪 Sweden (2 048 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
168 networks exchanging traffic without transit
Downstream Customers
5 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
180 unique BGP neighbors
Reach
26 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (2 total)

  • 45.132.232.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (1 total)

  • 2a0e:73c0::/29