Autonomous System

AS12329 GLASFASER RUHR GmbH & Co. KG

ISPActiveGermanyRIPE

AS12329 (TMR) is an ISP network operated by GLASFASER RUHR GmbH & Co. KG in Germany, registered with RIPE. It has 20 IPv4 prefixes with 24,832 addresses and 1 IPv6 prefix, which makes it the 6,062nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses24,832in 20 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#6,062of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationGLASFASER RUHR GmbH & Co. KG
AS nameTMR
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@glasfaser-ruhr.net
Registered2002-08-11
Last updated2026-07-07

IPv4 prefixes

20 prefixes · 24,832 addresses
NetworkAddressesFirst – last address
212.23.128.0/198,192212.23.128.0 – 212.23.159.255
149.232.48.0/204,096149.232.48.0 – 149.232.63.255
62.221.232.0/212,04862.221.232.0 – 62.221.239.255
62.221.240.0/212,04862.221.240.0 – 62.221.247.255
185.11.56.0/221,024185.11.56.0 – 185.11.59.255
185.154.112.0/221,024185.154.112.0 – 185.154.115.255
185.217.52.0/221,024185.217.52.0 – 185.217.55.255
185.249.168.0/221,024185.249.168.0 – 185.249.171.255
194.45.52.0/221,024194.45.52.0 – 194.45.55.255
157.97.98.0/23512157.97.98.0 – 157.97.99.255
157.97.146.0/23512157.97.146.0 – 157.97.147.255
81.173.6.0/2425681.173.6.0 – 81.173.6.255
91.228.150.0/2425691.228.150.0 – 91.228.150.255
91.231.204.0/2425691.231.204.0 – 91.231.204.255
93.157.143.0/2425693.157.143.0 – 93.157.143.255
156.67.59.0/24256156.67.59.0 – 156.67.59.255
159.100.48.0/24256159.100.48.0 – 159.100.48.255
185.19.9.0/24256185.19.9.0 – 185.19.9.255
194.24.230.0/24256194.24.230.0 – 194.24.230.255
194.156.86.0/24256194.156.86.0 – 194.156.86.255

IPv6 prefixes

1 prefix
  • 2001:7d8::/32

Query AS12329 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS12329&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS12329, with or without a key:

curl "https://api.ipapi.is/?q=212.23.128.1"

Largest networks in Germany