AS51265 Mass Response Service GmbH
A network in Austria. Here are the size of its IP ranges and the data used for visitor checks.
Visitor 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
Addresses by country
Austria43,264 addresses
Italy4,608 addresses
United Kingdom2,816 addresses
Germany1,280 addresses
Switzerland1,024 addressesLargest IPv4 ranges
Up to 20, largest first.
41.66.64.0/18
197.211.128.0/18
62.240.128.0/19
83.216.32.0/19
178.157.4.0/22
185.44.52.0/22
185.69.244.0/22
193.9.252.0/23
176.126.39.0/24
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12