$ query “AS12337” --type=asn → 1 result(s)

AS12337 · NORIS-NETWORK

noris network AG

AS12337 belongs to noris network AG and is a mid-size transit provider, established in Germany in 2002. The system announces a solid 115 200 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to Germany, with additional presence in Austria and Switzerland, and a smaller footprint in another country. 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 03, 2002
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
77 / 58
IPv6 Prefixes (raw / aggregated)
16 / 11
IPv4 Addresses
115 200
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇩🇪 Germany (214 624 IPs), 🇦🇹 Austria (512 IPs), 🇨🇭 Switzerland (256 IPs) and 1 more
Prefix Changed
April 25, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 115 200 total (0.00%)
Tor Exit Nodes
1 known Tor exit nodes in this network

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
98 networks exchanging traffic without transit
Downstream Customers
27 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
137 unique BGP neighbors
Reach
28 networks in customer cone

Upstream Providers (8)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS5405 — INTERDOTLINK
  • AS33891 — CORE-BACKBONE
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS3223 — VOXILITY
  • AS20546 — SOPRADO-ANY

Prefix Lists

IPv4 Prefixes (77 total)

  • 213.95.0.0/16 (65 536 addresses (/16 prefix))
  • 62.128.0.0/19 (8 192 addresses (/19 prefix))
  • 213.183.0.0/19 (8 192 addresses (/19 prefix))
  • 213.155.64.0/19 (8 192 addresses (/19 prefix))
  • 89.250.128.0/20 (4 096 addresses (/20 prefix))
  • 188.92.112.0/22 (1 024 addresses (/22 prefix))
  • 45.88.236.0/22 (1 024 addresses (/22 prefix))
  • 185.250.108.0/22 (1 024 addresses (/22 prefix))
  • 45.146.16.0/22 (1 024 addresses (/22 prefix))
  • 185.227.12.0/22 (1 024 addresses (/22 prefix))
  • 212.29.30.0/23 (512 addresses (/23 prefix))
  • 217.19.160.0/23 (512 addresses (/23 prefix))
  • 195.85.94.0/23 (512 addresses (/23 prefix))
  • 212.29.24.0/23 (512 addresses (/23 prefix))
  • 87.237.216.0/23 (512 addresses (/23 prefix))
  • 212.29.18.0/23 (512 addresses (/23 prefix))
  • 45.91.196.0/23 (512 addresses (/23 prefix))
  • 87.237.222.0/23 (512 addresses (/23 prefix))
  • 212.29.6.0/23 (512 addresses (/23 prefix))
  • 212.29.0.0/23 (512 addresses (/23 prefix))
  • 209.16.144.0/23 (512 addresses (/23 prefix))
  • 206.195.32.0/23 (512 addresses (/23 prefix))
  • 195.88.116.0/23 (512 addresses (/23 prefix))
  • 195.85.102.0/23 (512 addresses (/23 prefix))
  • 193.138.27.0/24 (256 addresses (/24 prefix))
  • 212.29.3.0/24 (256 addresses (/24 prefix))
  • 193.138.15.0/24 (256 addresses (/24 prefix))
  • 193.138.25.0/24 (256 addresses (/24 prefix))
  • 31.13.185.0/24 (256 addresses (/24 prefix))
  • 193.162.106.0/24 (256 addresses (/24 prefix))
  • 194.31.2.0/24 (256 addresses (/24 prefix))
  • 194.49.60.0/24 (256 addresses (/24 prefix))
  • 194.77.145.0/24 (256 addresses (/24 prefix))
  • 193.138.10.0/24 (256 addresses (/24 prefix))
  • 193.47.99.0/24 (256 addresses (/24 prefix))
  • 193.30.133.0/24 (256 addresses (/24 prefix))
  • 195.149.76.0/24 (256 addresses (/24 prefix))
  • 195.190.8.0/24 (256 addresses (/24 prefix))
  • 192.189.151.0/24 (256 addresses (/24 prefix))
  • 192.109.102.0/24 (256 addresses (/24 prefix))
  • 192.84.221.0/24 (256 addresses (/24 prefix))
  • 193.138.13.0/24 (256 addresses (/24 prefix))
  • 212.29.4.0/24 (256 addresses (/24 prefix))
  • 188.92.117.0/24 (256 addresses (/24 prefix))
  • 212.29.11.0/24 (256 addresses (/24 prefix))
  • 212.29.12.0/24 (256 addresses (/24 prefix))
  • 212.29.15.0/24 (256 addresses (/24 prefix))
  • 212.29.16.0/24 (256 addresses (/24 prefix))
  • 185.245.100.0/24 (256 addresses (/24 prefix))
  • 212.29.20.0/24 (256 addresses (/24 prefix))
  • and 8 more

IPv6 Prefixes (16 total)

  • 2001:780::/32
  • 2a04:5781:2000::/40
  • 2a12:6900:1100::/40
  • 2a0a:be40:c0::/44
  • 2001:67c:fc4::/48
  • 2001:67c:192c::/48
  • 2001:67c:1933::/48
  • 2a02:1140:113::/48
  • 2a02:1140:213::/48
  • 2a03:62a0:4901::/48
  • 2a0e:14c0::/48