Autonomous System

AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

EducationActiveGermanyRIPE

AS5501 (Fraunhofer-Cluster-BW) is an education network operated by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. in Germany, registered with RIPE. It has 38 IPv4 prefixes with 147,712 addresses and 13 IPv6 prefixes, which makes it the 1,609th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses147,712in 38 prefixes
IPv6 prefixes13≈ 1.6 × 10²⁵ addresses
Size rank#1,609of 82,141 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
AS nameFraunhofer-Cluster-BW
Websitefraunhofer.de
Country Germany (DE)
Network typeEducation
RegistryRIPE
Abuse contactnoc-services@iosb.fraunhofer.de
Registered2002-01-18
Last updated2024-07-02

IPv4 prefixes

38 prefixes · 147,712 addresses
NetworkAddressesFirst – last address
137.251.0.0/1665,536137.251.0.0 – 137.251.255.255
129.233.0.0/1732,768129.233.0.0 – 129.233.127.255
129.233.128.0/1732,768129.233.128.0 – 129.233.255.255
153.96.0.0/212,048153.96.0.0 – 153.96.7.255
153.97.0.0/212,048153.97.0.0 – 153.97.7.255
153.96.12.0/221,024153.96.12.0 – 153.96.15.255
153.96.220.0/221,024153.96.220.0 – 153.96.223.255
192.44.0.0/221,024192.44.0.0 – 192.44.3.255
153.96.8.0/23512153.96.8.0 – 153.96.9.255
153.96.54.0/23512153.96.54.0 – 153.96.55.255
153.96.112.0/23512153.96.112.0 – 153.96.113.255
153.96.126.0/23512153.96.126.0 – 153.96.127.255
153.96.144.0/23512153.96.144.0 – 153.96.145.255
153.96.248.0/23512153.96.248.0 – 153.96.249.255
192.44.2.0/23512192.44.2.0 – 192.44.3.255
129.233.163.0/24256129.233.163.0 – 129.233.163.255
129.233.252.0/24256129.233.252.0 – 129.233.252.255
129.233.253.0/24256129.233.253.0 – 129.233.253.255
129.233.254.0/24256129.233.254.0 – 129.233.254.255
129.233.255.0/24256129.233.255.0 – 129.233.255.255
153.96.10.0/24256153.96.10.0 – 153.96.10.255
153.96.18.0/24256153.96.18.0 – 153.96.18.255
153.96.19.0/24256153.96.19.0 – 153.96.19.255
153.96.24.0/24256153.96.24.0 – 153.96.24.255
153.96.250.0/24256153.96.250.0 – 153.96.250.255
The 25 largest of 38. The API and the database have all of them.

IPv6 prefixes

13 prefixes
  • 2a03:db80:1c14::/48
  • 2a03:db80:4404::/48
  • 2a03:db80:4410::/48
  • 2a03:db80:4414::/48
  • 2a03:db80:4416::/48
  • 2a03:db80:4420::/48
  • 2a03:db80:4424::/48
  • 2a03:db80:4434::/48
  • 2a03:db80:4460::/48
  • 2a03:db80:4470::/48
  • 2a03:db80:4480::/48
  • 2a03:db80:4484::/48
  • 2a03:db80:4494::/48

Query AS5501 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=AS5501&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS5501, with or without a key:

curl "https://api.ipapi.is/?q=137.251.0.1"

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