$ query “AS34309” --type=asn → 1 result(s)

AS34309 · LINK11

Link11 GmbH

AS34309 is owned by Link11 GmbH and is a major transit provider, based in Germany since 2004. The system announces a respectable 19 200 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Germany, with additional presence in the Netherlands and the United States, and a smaller footprint in another country. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #4 in Germany — Top 10 by reach within country

Basic Information

Country
🇩🇪 Germany
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 16, 2004
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
12 / 8
IPv6 Prefixes (raw / aggregated)
4 / 2
IPv4 Addresses
19 200
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇩🇪 Germany (21 536 IPs), 🇳🇱 Netherlands (20 480 IPs), 🇺🇸 United States (288 IPs) and 1 more
Prefix Changed
April 27, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
64 networks exchanging traffic without transit
Downstream Customers
52 downstreams buying transit
Unclassified
10 unclassified BGP neighbors
Degree
130 unique BGP neighbors
Reach
34 272 networks in customer cone

Upstream Providers (4)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (12 total)

  • 85.131.128.0/19 (8 192 addresses (/19 prefix))
  • 80.95.144.0/20 (4 096 addresses (/20 prefix))
  • 128.65.208.0/20 (4 096 addresses (/20 prefix))
  • 31.214.212.0/22 (1 024 addresses (/22 prefix))
  • 185.169.192.0/22 (1 024 addresses (/22 prefix))
  • 52.128.20.0/24 (256 addresses (/24 prefix))
  • 176.109.192.0/24 (256 addresses (/24 prefix))
  • 193.141.96.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2001:4d50::/32
  • 2001:678:3a8::/48