$ 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 Tier-1 transit provider, based in France since 2007. The system announces a respectable 49 664 IPv4 addresses. Its primary geographic footprint is in France, with additional presence in the United States and the United Kingdom. Prefix announcements for this AS were recently updated. No IPv6 support — it's 2026, just saying.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #30 by Reach — Top 100 by customer cone size
- #2 in France — Top 10 by reach within country
Basic Information
- Country
- 🇫🇷 France
- Category
- Hosting
- Network Role
- Tier-1 Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 17, 2007
- Last Changed
- April 01, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 21 / 9
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 49 664
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Geolocated Countries
- 🇫🇷 France (37 376 IPs), 🇺🇸 United States (8 192 IPs), 🇬🇧 United Kingdom (4 096 IPs)
- Prefix Changed
- May 19, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Peers
- 13 networks exchanging traffic without transit
- Downstream Customers
- 75 downstreams buying transit
- Degree
- 88 unique BGP neighbors
- Reach
- 49 944 networks in customer cone
Prefix Lists
IPv4 Prefixes (21 total)
- 89.30.0.0/17 (32 768 addresses (/17 prefix))
- 31.217.128.0/19 (8 192 addresses (/19 prefix))
- 46.18.168.0/21 (2 048 addresses (/21 prefix))
- 83.243.16.0/21 (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))
- 195.49.140.0/22 (1 024 addresses (/22 prefix))
- 193.27.78.0/23 (512 addresses (/23 prefix))