$ query “AS39351” --type=asn → 1 result(s)

AS39351 · ESAB-AS

31173 Services AB

AS39351 is owned by 31173 Services AB and is a mid-size transit provider, registered in Sweden since 2006. The system announces a respectable 14 336 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Sweden, with additional presence in the United States and Germany, and smaller footprints in 7 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #30 by Degree — Top 100 by unique BGP neighbor count
  • #10 in Sweden — Top 10 by reach within country

Basic Information

Country
🇸🇪 Sweden
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 06, 2006
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
52 / 34
IPv6 Prefixes (raw / aggregated)
18 / 7
IPv4 Addresses
14 336
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇸🇪 Sweden (12 544 IPs), 🇺🇸 United States (3 584 IPs), 🇩🇪 Germany (2 304 IPs) and 7 more
Prefix Changed
April 23, 2026

Reputation

Reputation
Good — 110 flagged IPs out of 14 336 total (0.77%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
2 767 networks exchanging traffic without transit
Downstream Customers
15 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
2 788 unique BGP neighbors
Reach
85 networks in customer cone

Upstream Providers (2)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (52 total)

  • 45.83.220.0/22 (1 024 addresses (/22 prefix))
  • 45.129.56.0/22 (1 024 addresses (/22 prefix))
  • 193.138.216.0/22 (1 024 addresses (/22 prefix))
  • 185.209.196.0/22 (1 024 addresses (/22 prefix))
  • 141.98.252.0/22 (1 024 addresses (/22 prefix))
  • 185.65.132.0/22 (1 024 addresses (/22 prefix))
  • 193.32.248.0/23 (512 addresses (/23 prefix))
  • 193.32.126.0/23 (512 addresses (/23 prefix))
  • 185.213.154.0/23 (512 addresses (/23 prefix))
  • 185.195.232.0/23 (512 addresses (/23 prefix))
  • 154.43.129.0/24 (256 addresses (/24 prefix))
  • 154.57.138.0/24 (256 addresses (/24 prefix))
  • 149.7.107.0/24 (256 addresses (/24 prefix))
  • 149.7.161.0/24 (256 addresses (/24 prefix))
  • 151.241.163.0/24 (256 addresses (/24 prefix))
  • 151.241.171.0/24 (256 addresses (/24 prefix))
  • 149.5.160.0/24 (256 addresses (/24 prefix))
  • 154.43.132.0/24 (256 addresses (/24 prefix))
  • 154.44.128.0/24 (256 addresses (/24 prefix))
  • 154.46.33.0/24 (256 addresses (/24 prefix))
  • 154.57.137.0/24 (256 addresses (/24 prefix))
  • 149.5.248.0/24 (256 addresses (/24 prefix))
  • 147.90.117.0/24 (256 addresses (/24 prefix))
  • 91.206.168.0/24 (256 addresses (/24 prefix))
  • 185.195.235.0/24 (256 addresses (/24 prefix))
  • 85.203.53.0/24 (256 addresses (/24 prefix))
  • 185.213.153.0/24 (256 addresses (/24 prefix))
  • 46.229.255.0/24 (256 addresses (/24 prefix))
  • 185.217.116.0/24 (256 addresses (/24 prefix))
  • 45.149.104.0/24 (256 addresses (/24 prefix))
  • 45.132.193.0/24 (256 addresses (/24 prefix))
  • 45.130.118.0/24 (256 addresses (/24 prefix))
  • 194.34.172.0/24 (256 addresses (/24 prefix))
  • 195.54.182.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (18 total)

  • 2a07:e344::/32
  • 2a03:1b20::/45
  • 2a03:1b20:8::/46
  • 2a03:1b20:c::/47
  • 2a03:1b20:901::/48
  • 2a03:1b20:bef1::/48
  • 2a03:1b20:bef2::/48