$ query “AS9211” --type=asn → 1 result(s)

AS9211 · WORK-AS

Nawork Internet Informationssysteme GmbH

AS9211 is operated by Nawork Internet Informationssysteme GmbH and serves as a mid-size transit provider, registered in Germany since 2002. The system announces a respectable 21 760 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Germany, with additional presence in Switzerland and the United Kingdom.

  • 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
July 18, 2002
Last Changed
March 04, 2026
Last Seen
October 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
17 / 16
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
21 760
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇩🇪 Germany (21 728 IPs), 🇨🇭 Switzerland (16 IPs), 🇬🇧 United Kingdom (16 IPs)
Prefix Changed
September 18, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
90 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
108 unique BGP neighbors
Reach
14 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (17 total)

  • 87.253.160.0/20 (4 096 addresses (/20 prefix))
  • 212.12.32.0/20 (4 096 addresses (/20 prefix))
  • 213.238.32.0/20 (4 096 addresses (/20 prefix))
  • 31.24.96.0/21 (2 048 addresses (/21 prefix))
  • 212.12.56.0/21 (2 048 addresses (/21 prefix))
  • 193.102.240.0/22 (1 024 addresses (/22 prefix))
  • 213.238.52.0/22 (1 024 addresses (/22 prefix))
  • 87.253.190.0/23 (512 addresses (/23 prefix))
  • 193.28.52.0/23 (512 addresses (/23 prefix))
  • 194.76.62.0/23 (512 addresses (/23 prefix))
  • 213.238.50.0/23 (512 addresses (/23 prefix))
  • 192.104.77.0/24 (256 addresses (/24 prefix))
  • 193.194.129.0/24 (256 addresses (/24 prefix))
  • 194.49.7.0/24 (256 addresses (/24 prefix))
  • 194.59.4.0/24 (256 addresses (/24 prefix))
  • 194.156.189.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2a00:ea8::/32
  • 2a00:eab::/32