$ query “AS20965” --type=asn → 1 result(s)

AS20965 · GEANT

GEANT Vereniging

AS20965 is operated by GEANT Vereniging and serves as a mid-size transit provider, based in the Netherlands since 2002. The system announces 9 216 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United Kingdom.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 25, 2002
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 / 2
IPv6 Prefixes (raw / aggregated)
2 / 1
IPv4 Addresses
9 216
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇬🇧 United Kingdom (17 408 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
19 networks exchanging traffic without transit
Downstream Customers
49 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
72 unique BGP neighbors
Reach
1 113 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (2 total)

  • 62.40.96.0/19 (8 192 addresses (/19 prefix))
  • 83.97.92.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (2 total)

  • 2001:798::/31