Autonomous System
AS8422 NetCologne Gesellschaft fur Telekommunikation mbH
ISPActiveGermanyRIPE
AS8422 (NETCOLOGNE) is an ISP network operated by NetCologne Gesellschaft fur Telekommunikation mbH in Germany, registered with RIPE. It has 38 IPv4 prefixes with 576,768 addresses and 13 IPv6 prefixes, which makes it the 621st largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses576,768in 38 prefixes
IPv6 prefixes13≈ 4.1 × 10³⁰ addresses
Size rank#621of 82,141 active ASNs
Details
OrganizationNetCologne Gesellschaft fur Telekommunikation mbH
AS nameNETCOLOGNE
Websitenetcologne.de
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@netcologne.de
Registered2002-09-24
Last updated2026-07-28
IPv4 prefixes
38 prefixes · 576,768 addresses| Network | Addresses | First – last address |
|---|---|---|
| 78.34.0.0/15 | 131,072 | 78.34.0.0 – 78.35.255.255 |
| 87.78.0.0/15 | 131,072 | 87.78.0.0 – 87.79.255.255 |
| 89.0.0.0/15 | 131,072 | 89.0.0.0 – 89.1.255.255 |
| 81.173.128.0/17 | 32,768 | 81.173.128.0 – 81.173.255.255 |
| 84.44.128.0/17 | 32,768 | 84.44.128.0 – 84.44.255.255 |
| 85.197.0.0/18 | 16,384 | 85.197.0.0 – 85.197.63.255 |
| 195.14.192.0/18 | 16,384 | 195.14.192.0 – 195.14.255.255 |
| 213.168.64.0/18 | 16,384 | 213.168.64.0 – 213.168.127.255 |
| 213.196.192.0/18 | 16,384 | 213.196.192.0 – 213.196.255.255 |
| 193.27.96.0/19 | 8,192 | 193.27.96.0 – 193.27.127.255 |
| 194.8.192.0/19 | 8,192 | 194.8.192.0 – 194.8.223.255 |
| 212.8.128.0/19 | 8,192 | 212.8.128.0 – 212.8.159.255 |
| 212.66.128.0/19 | 8,192 | 212.66.128.0 – 212.66.159.255 |
| 212.117.64.0/19 | 8,192 | 212.117.64.0 – 212.117.95.255 |
| 212.8.136.0/21 | 2,048 | 212.8.136.0 – 212.8.143.255 |
| 212.8.144.0/21 | 2,048 | 212.8.144.0 – 212.8.151.255 |
| 185.20.228.0/22 | 1,024 | 185.20.228.0 – 185.20.231.255 |
| 194.39.192.0/22 | 1,024 | 194.39.192.0 – 194.39.195.255 |
| 213.160.92.0/23 | 512 | 213.160.92.0 – 213.160.93.255 |
| 83.138.60.0/24 | 256 | 83.138.60.0 – 83.138.60.255 |
| 89.1.2.0/24 | 256 | 89.1.2.0 – 89.1.2.255 |
| 91.199.241.0/24 | 256 | 91.199.241.0 – 91.199.241.255 |
| 91.220.185.0/24 | 256 | 91.220.185.0 – 91.220.185.255 |
| 91.225.3.0/24 | 256 | 91.225.3.0 – 91.225.3.255 |
| 192.109.126.0/24 | 256 | 192.109.126.0 – 192.109.126.255 |
78.34.0.0/15 87.78.0.0/15 89.0.0.0/15 81.173.128.0/17 84.44.128.0/17 85.197.0.0/18 195.14.192.0/18 213.168.64.0/18 213.196.192.0/18 193.27.96.0/19 194.8.192.0/19 212.8.128.0/19 212.66.128.0/19 212.117.64.0/19 212.8.136.0/21 212.8.144.0/21 185.20.228.0/22 194.39.192.0/22 213.160.92.0/23 83.138.60.0/24 89.1.2.0/24 91.199.241.0/24 91.220.185.0/24 91.225.3.0/24 192.109.126.0/24
The 25 largest of 38. The API and the database have all of them.
IPv6 prefixes
13 prefixes- 2a0a:a540::/28
- 2001:4dd0::/29
- 2a0a:a540::/29
- 2a0f:e2c0::/29
- 2a14:2240::/29
- 2001:4dd0::/32
- 2a02:3f0::/32
- 2a03:2901::/32
- 2a10:3600::/32
- 2001:678:1210::/48
- 2001:67c:5d4::/48
- 2a02:f38:3::/48
- 2a10:8441:112::/48
2a0a:a540::/28 2001:4dd0::/29 2a0a:a540::/29 2a0f:e2c0::/29 2a14:2240::/29 2001:4dd0::/32 2a02:3f0::/32 2a03:2901::/32 2a10:3600::/32 2001:678:1210::/48 2001:67c:5d4::/48 2a02:f38:3::/48 2a10:8441:112::/48
Query AS8422 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=AS8422&key=YOUR_API_KEY"Any address in its prefixes resolves to AS8422, with or without a key:
curl "https://api.ipapi.is/?q=78.34.0.1"Largest networks in Germany
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