Autonomous System
AS205046 FZI Forschungszentrum Informatik
BusinessActiveGermanyRIPE
AS205046 (FZI-AS-1) is a business network operated by FZI Forschungszentrum Informatik in Germany, registered with RIPE. It has 2 IPv4 prefixes with 66,560 addresses and 2 IPv6 prefixes, which makes it the 3,314th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses66,560in 2 prefixes
IPv6 prefixes2≈ 6.3 × 10²⁹ addresses
Size rank#3,314of 82,200 active ASNs
Details
OrganizationFZI Forschungszentrum Informatik
AS nameFZI-AS-1
Websitefzi.de
Country Germany (DE)
Network typeBusiness
RegistryRIPE
Abuse contactITS-RIPE@fzi.de
Registered2017-11-14
Last updated2019-05-15
IPv4 prefixes
2 prefixes · 66,560 addresses| Network | Addresses | First – last address |
|---|---|---|
| 141.21.0.0/16 | 65,536 | 141.21.0.0 – 141.21.255.255 |
| 185.231.132.0/22 | 1,024 | 185.231.132.0 – 185.231.135.255 |
141.21.0.0/16 185.231.132.0/22
IPv6 prefixes
2 prefixes- 2a0c:7500::/29
- 2001:67c:2acc::/48
2a0c:7500::/29 2001:67c:2acc::/48
Query AS205046 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=AS205046&key=YOUR_API_KEY"Any address in its prefixes resolves to AS205046, with or without a key:
curl "https://api.ipapi.is/?q=141.21.0.1"Largest networks in Germany
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