$ query “AS41108” --type=asn → 1 result(s)

AS41108 · FIRSTROOT-AS

comtrance service GmbH

AS41108 is owned by comtrance service GmbH and is a mid-size transit provider, registered in Germany since 2009. The system announces 6 400 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Germany, with additional presence in Denmark.

Basic Information

Country
🇩🇪 Germany
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 23, 2009
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
14 / 13
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
6 400
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇩🇪 Germany (12 288 IPs), 🇩🇰 Denmark (512 IPs)
Prefix Changed
March 26, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 6 400 total (0.03%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
11 downstreams buying transit
Unclassified
13 unclassified BGP neighbors
Degree
25 unique BGP neighbors
Reach
11 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (14 total)

  • 91.228.104.0/22 (1 024 addresses (/22 prefix))
  • 195.110.20.0/23 (512 addresses (/23 prefix))
  • 91.228.52.0/23 (512 addresses (/23 prefix))
  • 193.25.100.0/23 (512 addresses (/23 prefix))
  • 195.88.44.0/23 (512 addresses (/23 prefix))
  • 195.88.172.0/23 (512 addresses (/23 prefix))
  • 91.206.76.0/23 (512 addresses (/23 prefix))
  • 195.128.168.0/23 (512 addresses (/23 prefix))
  • 195.242.78.0/23 (512 addresses (/23 prefix))
  • 195.254.136.0/23 (512 addresses (/23 prefix))
  • 91.229.229.0/24 (256 addresses (/24 prefix))
  • 91.230.27.0/24 (256 addresses (/24 prefix))
  • 193.3.157.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2001:67c:12a0::/48
  • 2a0f:5707:ab26::/48