Autonomous System
AS16205 DSI GmbH Daten Service Informationssysteme
ISPActiveGermanyRIPE
AS16205 (DSINET-ASN) is an ISP network operated by DSI GmbH Daten Service Informationssysteme in Germany, registered with RIPE. It has 10 IPv4 prefixes with 16,384 addresses and 2 IPv6 prefixes, which makes it the 7,756th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,384in 10 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#7,756of 82,200 active ASNs
Details
OrganizationDSI GmbH Daten Service Informationssysteme
AS nameDSINET-ASN
Websitedsi.net
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactsupport@dsi.net
Registered1970-01-01
Last updated2026-03-31
IPv4 prefixes
10 prefixes · 16,384 addresses| Network | Addresses | First – last address |
|---|---|---|
| 81.201.144.0/20 | 4,096 | 81.201.144.0 – 81.201.159.255 |
| 217.18.176.0/20 | 4,096 | 217.18.176.0 – 217.18.191.255 |
| 31.210.160.0/21 | 2,048 | 31.210.160.0 – 31.210.167.255 |
| 176.52.200.0/21 | 2,048 | 176.52.200.0 – 176.52.207.255 |
| 178.249.24.0/21 | 2,048 | 178.249.24.0 – 178.249.31.255 |
| 185.75.184.0/22 | 1,024 | 185.75.184.0 – 185.75.187.255 |
| 192.109.108.0/24 | 256 | 192.109.108.0 – 192.109.108.255 |
| 194.31.246.0/24 | 256 | 194.31.246.0 – 194.31.246.255 |
| 194.113.71.0/24 | 256 | 194.113.71.0 – 194.113.71.255 |
| 194.180.239.0/24 | 256 | 194.180.239.0 – 194.180.239.255 |
81.201.144.0/20 217.18.176.0/20 31.210.160.0/21 176.52.200.0/21 178.249.24.0/21 185.75.184.0/22 192.109.108.0/24 194.31.246.0/24 194.113.71.0/24 194.180.239.0/24
IPv6 prefixes
2 prefixes- 2a00:8180::/32
- 2001:67c:2abc::/48
2a00:8180::/32 2001:67c:2abc::/48
Query AS16205 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=AS16205&key=YOUR_API_KEY"Any address in its prefixes resolves to AS16205, with or without a key:
curl "https://api.ipapi.is/?q=81.201.144.1"Largest networks in Germany
AS3320 Deutsche Telekom AG36,175,616 IPv4 addressesAS31399 Mercedes-Benz Group AG16,805,888 IPv4 addressesAS3209 Vodafone GmbH15,881,984 IPv4 addressesAS6805 Telefonica Germany GmbH & Co.OHG8,351,488 IPv4 addressesAS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.7,913,472 IPv4 addressesAS24940 Hetzner Online GmbH3,237,120 IPv4 addresses