$ query “AS25091” --type=asn → 1 result(s)

AS25091 · IP-MAX

IP-Max SA

AS25091 is owned by IP-Max SA and is a major transit provider, established in Switzerland in 2004. The system announces a respectable 15 104 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Switzerland, with additional presence in the Netherlands and France, and a smaller footprint in another country.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #19 by Degree — Top 100 by unique BGP neighbor count
  • #5 in Switzerland — Top 10 by reach within country

Basic Information

Country
🇨🇭 Switzerland
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 14, 2004
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
25 / 22
IPv6 Prefixes (raw / aggregated)
7 / 4
IPv4 Addresses
15 104
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇨🇭 Switzerland (10 880 IPs), 🇳🇱 Netherlands (2 800 IPs), 🇫🇷 France (1 360 IPs) and 1 more
Prefix Changed
July 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
3 420 networks exchanging traffic without transit
Downstream Customers
68 downstreams buying transit
Unclassified
82 unclassified BGP neighbors
Degree
3 579 unique BGP neighbors
Reach
153 networks in customer cone

Upstream Providers (9)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS55002 — DEFENSE-NET
  • AS44530 — HOPUS

Prefix Lists

IPv4 Prefixes (25 total)

  • 46.20.240.0/20 (4 096 addresses (/20 prefix))
  • 94.158.28.0/22 (1 024 addresses (/22 prefix))
  • 185.60.52.0/22 (1 024 addresses (/22 prefix))
  • 185.185.200.0/22 (1 024 addresses (/22 prefix))
  • 185.247.76.0/22 (1 024 addresses (/22 prefix))
  • 185.247.196.0/22 (1 024 addresses (/22 prefix))
  • 213.139.244.0/22 (1 024 addresses (/22 prefix))
  • 5.144.34.0/23 (512 addresses (/23 prefix))
  • 5.144.38.0/23 (512 addresses (/23 prefix))
  • 94.100.138.0/23 (512 addresses (/23 prefix))
  • 192.162.204.0/23 (512 addresses (/23 prefix))
  • 46.102.238.0/24 (256 addresses (/24 prefix))
  • 46.174.132.0/24 (256 addresses (/24 prefix))
  • 62.106.93.0/24 (256 addresses (/24 prefix))
  • 79.110.235.0/24 (256 addresses (/24 prefix))
  • 85.8.128.0/24 (256 addresses (/24 prefix))
  • 91.247.176.0/24 (256 addresses (/24 prefix))
  • 94.100.143.0/24 (256 addresses (/24 prefix))
  • 160.53.242.0/24 (256 addresses (/24 prefix))
  • 185.188.15.0/24 (256 addresses (/24 prefix))
  • 193.135.156.0/24 (256 addresses (/24 prefix))
  • 212.102.126.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (7 total)

  • 2a02:2528::/29
  • 2a0d:cb80::/29
  • 2a01:6780:12::/48
  • 2a0c:4144:100::/48