$ query “AS31367” --type=asn → 1 result(s)

AS31367 — NEO-CUST

Zayo Infrastructure France SA

AS31367 is a residential access provider run by Zayo Infrastructure France SA, based in France since 2004. The network announces 4 608 IPv4 addresses. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇫🇷 France
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 27, 2004
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
15 / 9
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
4 608
Largest IPv4 Prefix
/21 (2 048 addresses)
Geolocated Countries
🇫🇷 FR (12 IPs), 🇩🇪 DE (1 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 4 608 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
1 downstream autonomous systems buying transit
Degree
3 unique BGP neighbors (providers + customers + peers)
Reach
1 — customer cone size measuring network influence
Degree Rank
#22 826
Reach Rank
#8 928

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (15 total)

  • 78.41.128.0/21 (2 048 addresses)
  • 159.151.250.0/23 (512 addresses)
  • 185.254.208.0/23 (512 addresses)
  • 85.208.192.0/24 (256 addresses)
  • 91.200.177.0/24 (256 addresses)
  • 91.216.11.0/24 (256 addresses)
  • 185.236.141.0/24 (256 addresses)
  • 185.254.210.0/24 (256 addresses)
  • 192.109.238.0/24 (256 addresses)