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

AS13237 · LAMBDANET-AS

euNetworks GmbH

AS13237 is operated by euNetworks GmbH and serves as a major transit provider, based in Germany since 2002. The system announces a solid 570 112 IPv4 addresses, including a /14, and supports IPv6. Its primary geographic footprint is in Germany, with additional presence in the United Kingdom and Ireland, and smaller footprints in 13 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #41 by Degree — Top 100 by unique BGP neighbor count
  • #3 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
September 19, 2002
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
30 / 29
IPv6 Prefixes (raw / aggregated)
20 / 4
IPv4 Addresses
570 112
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇪 Germany (192 688 IPs), 🇬🇧 United Kingdom (14 144 IPs), 🇮🇪 Ireland (9 776 IPs) and 13 more
Prefix Changed
October 03, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 570 112 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
2 271 networks exchanging traffic without transit
Downstream Customers
191 downstreams buying transit
Unclassified
8 unclassified BGP neighbors
Degree
2 476 unique BGP neighbors
Reach
274 networks in customer cone

Upstream Providers (6)

Prefix Lists

IPv4 Prefixes (30 total)

  • 83.124.0.0/14 (262 144 addresses (/14 prefix))
  • 83.133.0.0/16 (65 536 addresses (/16 prefix))
  • 84.207.0.0/16 (65 536 addresses (/16 prefix))
  • 159.154.0.0/16 (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))
  • 80.252.32.0/20 (4 096 addresses (/20 prefix))
  • 82.98.208.0/20 (4 096 addresses (/20 prefix))
  • 217.19.32.0/20 (4 096 addresses (/20 prefix))
  • 217.71.96.0/20 (4 096 addresses (/20 prefix))
  • 217.112.144.0/20 (4 096 addresses (/20 prefix))
  • 82.98.224.0/21 (2 048 addresses (/21 prefix))
  • 83.137.80.0/21 (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))
  • 85.8.154.0/24 (256 addresses (/24 prefix))
  • 89.19.232.0/24 (256 addresses (/24 prefix))
  • 89.167.229.0/24 (256 addresses (/24 prefix))
  • 91.217.134.0/24 (256 addresses (/24 prefix))
  • 94.100.129.0/24 (256 addresses (/24 prefix))
  • 153.56.170.0/24 (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))

IPv6 Prefixes (20 total)

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