Autonomous System
AS20810 Netcom Kassel Gesellschaft fuer Telekommunikation mbH
ISPActiveGermanyRIPE
AS20810 (Netcom-Kassel) is an ISP network operated by Netcom Kassel Gesellschaft fuer Telekommunikation mbH in Germany, registered with RIPE. It has 9 IPv4 prefixes with 20,224 addresses and 2 IPv6 prefixes, which makes it the 6,833rd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses20,224in 9 prefixes
IPv6 prefixes2≈ 7.1 × 10²⁹ addresses
Size rank#6,833of 82,200 active ASNs
Details
OrganizationNetcom Kassel Gesellschaft fuer Telekommunikation mbH
AS nameNetcom-Kassel
Websitenetcom-kassel.de
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@netcom-kassel.de
Registered1970-01-01
Last updated2026-03-24
IPv4 prefixes
9 prefixes · 20,224 addresses| Network | Addresses | First – last address |
|---|---|---|
| 188.74.0.0/19 | 8,192 | 188.74.0.0 – 188.74.31.255 |
| 80.69.192.0/20 | 4,096 | 80.69.192.0 – 80.69.207.255 |
| 149.249.32.0/20 | 4,096 | 149.249.32.0 – 149.249.47.255 |
| 45.138.56.0/22 | 1,024 | 45.138.56.0 – 45.138.59.255 |
| 45.158.172.0/22 | 1,024 | 45.158.172.0 – 45.158.175.255 |
| 185.158.180.0/22 | 1,024 | 185.158.180.0 – 185.158.183.255 |
| 193.29.228.0/24 | 256 | 193.29.228.0 – 193.29.228.255 |
| 194.113.115.0/24 | 256 | 194.113.115.0 – 194.113.115.255 |
| 212.102.118.0/24 | 256 | 212.102.118.0 – 212.102.118.255 |
188.74.0.0/19 80.69.192.0/20 149.249.32.0/20 45.138.56.0/22 45.158.172.0/22 185.158.180.0/22 193.29.228.0/24 194.113.115.0/24 212.102.118.0/24
IPv6 prefixes
2 prefixes- 2a03:7500::/29
- 2a03:7500::/32
2a03:7500::/29 2a03:7500::/32
Query AS20810 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=AS20810&key=YOUR_API_KEY"Any address in its prefixes resolves to AS20810, with or without a key:
curl "https://api.ipapi.is/?q=188.74.0.1"Largest networks in Germany
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