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

AS39351 · ESAB-AS

31173 Services AB

AS39351 is operated by 31173 Services AB and serves as a mid-size transit provider, established in Sweden in 2006. The system announces a respectable 14 592 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in 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
  • #31 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
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
53 / 35
IPv6 Prefixes (raw / aggregated)
21 / 10
IPv4 Addresses
14 592
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇸🇪 Sweden (7 424 IPs), 🇺🇸 United States (3 072 IPs), 🇩🇪 Germany (768 IPs) and 7 more
Prefix Changed
June 23, 2026

Reputation

Reputation
Good — 17 flagged IPs out of 14 592 total (0.12%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
2 740 networks exchanging traffic without transit
Downstream Customers
14 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
2 762 unique BGP neighbors
Reach
31 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (53 total)

  • 45.83.220.0/22 (1 024 addresses (/22 prefix))
  • 45.129.56.0/22 (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))
  • 185.209.196.0/22 (1 024 addresses (/22 prefix))
  • 193.138.216.0/22 (1 024 addresses (/22 prefix))
  • 185.195.232.0/23 (512 addresses (/23 prefix))
  • 185.213.154.0/23 (512 addresses (/23 prefix))
  • 193.32.126.0/23 (512 addresses (/23 prefix))
  • 193.32.248.0/23 (512 addresses (/23 prefix))
  • 45.130.118.0/24 (256 addresses (/24 prefix))
  • 45.132.193.0/24 (256 addresses (/24 prefix))
  • 45.149.104.0/24 (256 addresses (/24 prefix))
  • 46.229.255.0/24 (256 addresses (/24 prefix))
  • 85.203.53.0/24 (256 addresses (/24 prefix))
  • 91.206.168.0/24 (256 addresses (/24 prefix))
  • 147.90.117.0/24 (256 addresses (/24 prefix))
  • 149.5.160.0/24 (256 addresses (/24 prefix))
  • 149.5.248.0/24 (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))
  • 154.43.129.0/24 (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))
  • 154.57.138.0/24 (256 addresses (/24 prefix))
  • 185.195.235.0/24 (256 addresses (/24 prefix))
  • 185.213.153.0/24 (256 addresses (/24 prefix))
  • 185.217.116.0/24 (256 addresses (/24 prefix))
  • 193.234.92.0/24 (256 addresses (/24 prefix))
  • 194.34.172.0/24 (256 addresses (/24 prefix))
  • 195.54.182.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (21 total)

  • 2a07:bdc3::/32
  • 2a07:bdc4::/32
  • 2a07:e344::/32
  • 2a03:1b20::/45
  • 2a03:1b20:8::/46
  • 2a03:1b20:c::/47
  • 2a01:280:330::/48
  • 2a03:1b20:901::/48
  • 2a03:1b20:bef1::/48
  • 2a03:1b20:bef2::/48