$ query “AS43531” --type=asn → 1 result(s)

AS43531 · IXREACH

BSO Network Solutions SAS

AS43531 is operated by BSO Network Solutions SAS and serves as a major transit provider, based in France since 2007. The system announces a respectable 16 640 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United Kingdom, with additional presence in France and the United Arab Emirates, and smaller footprints in 5 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #10 in France — Top 10 by reach within country

Basic Information

Country
🇫🇷 France
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 17, 2007
Last Changed
October 05, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
19 / 17
IPv6 Prefixes (raw / aggregated)
3 / 2
IPv4 Addresses
16 640
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇬🇧 United Kingdom (11 328 IPs), 🇫🇷 France (3 328 IPs), 🇦🇪 United Arab Emirates (512 IPs) and 5 more
Prefix Changed
October 08, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 16 640 total (0.01%)

Connectivity Summary

Peers
12 networks exchanging traffic without transit
Downstream Customers
76 downstreams buying transit
Degree
88 unique BGP neighbors
Reach
136 networks in customer cone

Prefix Lists

IPv4 Prefixes (19 total)

  • 31.217.128.0/19 (8 192 addresses (/19 prefix))
  • 46.18.168.0/21 (2 048 addresses (/21 prefix))
  • 91.196.184.0/22 (1 024 addresses (/22 prefix))
  • 185.55.16.0/22 (1 024 addresses (/22 prefix))
  • 193.218.12.0/22 (1 024 addresses (/22 prefix))
  • 193.27.78.0/23 (512 addresses (/23 prefix))
  • 89.30.5.0/24 (256 addresses (/24 prefix))
  • 89.30.13.0/24 (256 addresses (/24 prefix))
  • 89.30.14.0/24 (256 addresses (/24 prefix))
  • 89.30.21.0/24 (256 addresses (/24 prefix))
  • 89.30.25.0/24 (256 addresses (/24 prefix))
  • 89.30.36.0/24 (256 addresses (/24 prefix))
  • 89.30.48.0/24 (256 addresses (/24 prefix))
  • 89.30.84.0/24 (256 addresses (/24 prefix))
  • 89.30.92.0/24 (256 addresses (/24 prefix))
  • 89.30.121.0/24 (256 addresses (/24 prefix))
  • 195.49.142.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (3 total)

  • 2a01:8200::/32
  • 2a02:27f0::/32