$ query “AS13237” --type=asn → 1 result(s)

AS13237 · LAMBDANET-AS

euNetworks GmbH

AS13237 is owned by euNetworks GmbH and is a major transit provider, based in Germany since 2002. The system announces a solid 570 368 IPv4 addresses, including a /14, and supports IPv6. Its primary geographic footprint is in Germany, with additional presence in the Netherlands and the United Kingdom, and smaller footprints in 13 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #37 by Degree — Top 100 by unique BGP neighbor count

Basic Information

Country
🇩🇪 Germany
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 19, 2002
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
34 / 30
IPv6 Prefixes (raw / aggregated)
22 / 4
IPv4 Addresses
570 368
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇪 Germany (314 832 IPs), 🇳🇱 Netherlands (16 880 IPs), 🇬🇧 United Kingdom (15 216 IPs) and 13 more
Prefix Changed
June 19, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 570 368 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
2 252 networks exchanging traffic without transit
Downstream Customers
190 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
2 453 unique BGP neighbors
Reach
343 networks in customer cone

Upstream Providers (6)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS5405 — INTERDOTLINK
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS39686 — AS-EUROFIBER
  • AS43531 — IXREACH (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (34 total)

  • 83.124.0.0/14 (262 144 addresses (/14 prefix))
  • 159.154.0.0/16 (65 536 addresses (/16 prefix))
  • 84.207.0.0/16 (65 536 addresses (/16 prefix))
  • 83.133.0.0/16 (65 536 addresses (/16 prefix))
  • 81.209.128.0/17 (32 768 addresses (/17 prefix))
  • 62.93.192.0/18 (16 384 addresses (/18 prefix))
  • 62.4.64.0/19 (8 192 addresses (/19 prefix))
  • 62.80.96.0/19 (8 192 addresses (/19 prefix))
  • 80.86.160.0/19 (8 192 addresses (/19 prefix))
  • 82.197.128.0/19 (8 192 addresses (/19 prefix))
  • 82.98.208.0/20 (4 096 addresses (/20 prefix))
  • 80.252.32.0/20 (4 096 addresses (/20 prefix))
  • 217.112.144.0/20 (4 096 addresses (/20 prefix))
  • 217.71.96.0/20 (4 096 addresses (/20 prefix))
  • 217.19.32.0/20 (4 096 addresses (/20 prefix))
  • 83.137.80.0/21 (2 048 addresses (/21 prefix))
  • 82.98.224.0/21 (2 048 addresses (/21 prefix))
  • 31.204.124.0/22 (1 024 addresses (/22 prefix))
  • 185.99.80.0/22 (1 024 addresses (/22 prefix))
  • 145.224.36.0/23 (512 addresses (/23 prefix))
  • 89.19.232.0/24 (256 addresses (/24 prefix))
  • 153.56.170.0/24 (256 addresses (/24 prefix))
  • 94.100.129.0/24 (256 addresses (/24 prefix))
  • 185.250.87.0/24 (256 addresses (/24 prefix))
  • 192.86.125.0/24 (256 addresses (/24 prefix))
  • 192.86.126.0/24 (256 addresses (/24 prefix))
  • 193.178.217.0/24 (256 addresses (/24 prefix))
  • 91.217.134.0/24 (256 addresses (/24 prefix))
  • 89.167.229.0/24 (256 addresses (/24 prefix))
  • 85.8.154.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (22 total)

  • 2001:7f0::/29
  • 2001:4d40::/29
  • 2a00:cc0::/29
  • 2a00:fa0::/32