$ query “AS51815” --type=asn → 1 result(s)

AS51815 · TEKNIKBYRAN

Kustbandet AB

AS51815 belongs to Kustbandet AB and is a residential access provider, based in Sweden since 2011. The system announces a respectable 22 528 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Sweden, with additional presence in Norway and Spain.

Basic Information

Country
🇸🇪 Sweden
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 12, 2011
Last Changed
July 02, 2026
Last Seen
July 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
18 / 18
IPv6 Prefixes (raw / aggregated)
7 / 7
IPv4 Addresses
22 528
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇸🇪 Sweden (42 240 IPs), 🇳🇴 Norway (512 IPs), 🇪🇸 Spain (256 IPs)
Prefix Changed
May 17, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 22 528 total (0.01%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
5 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
7 unique BGP neighbors
Reach
7 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (18 total)

  • 213.185.224.0/19 (8 192 addresses (/19 prefix))
  • 176.56.240.0/20 (4 096 addresses (/20 prefix))
  • 78.108.48.0/21 (2 048 addresses (/21 prefix))
  • 91.190.136.0/21 (2 048 addresses (/21 prefix))
  • 185.196.152.0/22 (1 024 addresses (/22 prefix))
  • 185.31.196.0/22 (1 024 addresses (/22 prefix))
  • 185.170.180.0/22 (1 024 addresses (/22 prefix))
  • 62.102.148.0/23 (512 addresses (/23 prefix))
  • 91.208.81.0/24 (256 addresses (/24 prefix))
  • 91.209.88.0/24 (256 addresses (/24 prefix))
  • 185.152.213.0/24 (256 addresses (/24 prefix))
  • 91.226.180.0/24 (256 addresses (/24 prefix))
  • 91.226.177.0/24 (256 addresses (/24 prefix))
  • 192.121.99.0/24 (256 addresses (/24 prefix))
  • 192.121.137.0/24 (256 addresses (/24 prefix))
  • 193.234.4.0/24 (256 addresses (/24 prefix))
  • 194.103.41.0/24 (256 addresses (/24 prefix))
  • 62.102.151.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (7 total)

  • 2a0a:b780::/29
  • 2a0b:b40::/29
  • 2a00:1520::/32
  • 2a02:2490::/32
  • 2a03:9ea0::/32
  • 2001:67c:5f4::/48
  • 2001:67c:19a4::/48