AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
A network in Germany. Here are the size of its IP ranges and the data used for visitor checks.
GermanyVisitor check data
- Network type
- Regular network
- Known VPN servers
- None
- Tor exit nodes
- None
This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work
Largest IPv4 ranges
Up to 20, largest first (29 in total).
137.251.0.0/16
129.233.0.0/17
129.233.240.0/20
153.96.0.0 ~ 153.96.10.255
153.97.0.0/21
129.233.218.0 ~ 129.233.223.255
129.233.203.0 ~ 129.233.207.255
153.96.12.0/22
153.96.220.0/22
192.44.0.0/22
129.233.197.0 ~ 129.233.199.255
153.96.248.0 ~ 153.96.250.255
129.233.214.0/23
153.96.18.0/23
153.96.54.0/23
153.96.112.0/23
153.96.126.0/23
153.96.144.0/23
153.96.253.0 ~ 153.96.254.255
192.42.63.0 ~ 192.42.64.255
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12