$ query “AS30823” --type=asn → 1 result(s)

AS30823 · AUROLOGIC

aurologic GmbH

AS30823 belongs to aurologic GmbH and is a mid-size transit provider, based in Germany since 2015. The system announces 9 728 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Germany, with additional presence in Finland and the United States, and smaller footprints in 2 additional countries. This AS has recently updated its prefix announcements.

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

Basic Information

Country
🇩🇪 Germany
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 09, 2015
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
29 / 19
IPv6 Prefixes (raw / aggregated)
10 / 6
IPv4 Addresses
9 728
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇪 Germany (10 752 IPs), 🇫🇮 Finland (2 560 IPs), 🇺🇸 United States (2 048 IPs) and 2 more
Prefix Changed
June 23, 2026

Reputation

Reputation
Good — 10 flagged IPs out of 9 728 total (0.10%)
Tor Exit Nodes
1 known Tor exit nodes in this network
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
99 networks exchanging traffic without transit
Downstream Customers
42 downstreams buying transit
Unclassified
12 unclassified BGP neighbors
Degree
160 unique BGP neighbors
Reach
240 networks in customer cone

Upstream Providers (7)

  • AS174 — COGENT (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)
  • AS50263 — IXP-1-IX-EU
  • AS16265 — LEASEWEB-NETWORK

Prefix Lists

IPv4 Prefixes (29 total)

  • 45.138.172.0/22 (1 024 addresses (/22 prefix))
  • 172.86.92.0/22 (1 024 addresses (/22 prefix))
  • 45.11.16.0/22 (1 024 addresses (/22 prefix))
  • 152.89.244.0/22 (1 024 addresses (/22 prefix))
  • 45.153.240.0/22 (1 024 addresses (/22 prefix))
  • 45.147.228.0/22 (1 024 addresses (/22 prefix))
  • 160.20.146.0/23 (512 addresses (/23 prefix))
  • 45.91.250.0/24 (256 addresses (/24 prefix))
  • 45.61.156.0/24 (256 addresses (/24 prefix))
  • 109.71.255.0/24 (256 addresses (/24 prefix))
  • 45.59.112.0/24 (256 addresses (/24 prefix))
  • 160.20.144.0/24 (256 addresses (/24 prefix))
  • 5.175.160.0/24 (256 addresses (/24 prefix))
  • 41.216.188.0/24 (256 addresses (/24 prefix))
  • 185.117.1.0/24 (256 addresses (/24 prefix))
  • 188.191.106.0/24 (256 addresses (/24 prefix))
  • 212.114.52.0/24 (256 addresses (/24 prefix))
  • 216.126.229.0/24 (256 addresses (/24 prefix))
  • 216.126.230.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (10 total)

  • 2a09:38c0::/29
  • 2a0c:6a40::/29
  • 2a0d:4cc0::/29
  • 2a0e:b540::/29
  • 2a01:367::/32
  • 2602:fa59::/40