$ query “AS43531” --type=asn → 1 result(s)
AS43531 — IXREACH
BSO Network Solutions SAS
AS43531 is a major transit provider operated by BSO Network Solutions SAS, established in France in 2007. The network announces a respectable 49 664 IPv4 addresses. No IPv6 support — it's 2026, just saying.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #8 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
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 20 / 9
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 49 664
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Geolocated Countries
- 🇫🇷 FR (5 IPs), 🇺🇸 US (1 IPs), 🇬🇧 GB (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 49 664 total (0.00%)
Connectivity Summary
- Upstream Providers
- 0 upstream autonomous systems providing transit
- Peers
- 11 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 72 downstream autonomous systems buying transit
- Degree
- 84 unique BGP neighbors (providers + customers + peers)
- Reach
- 316 — customer cone size measuring network influence
- Degree Rank
- #1 975
- Reach Rank
- #739
- Country Rank
- #8
Prefix Lists
IPv4 Prefixes (20 total)
- 89.30.0.0/17 (32 768 addresses)
- 31.217.128.0/19 (8 192 addresses)
- 46.18.168.0/21 (2 048 addresses)
- 83.243.16.0/21 (2 048 addresses)
- 91.196.184.0/22 (1 024 addresses)
- 185.55.16.0/22 (1 024 addresses)
- 193.218.12.0/22 (1 024 addresses)
- 195.49.140.0/22 (1 024 addresses)
- 193.27.78.0/23 (512 addresses)