AS1930 Fundacao para a Ciencia e a Tecnologia, I.P.

A network in Portugal. Here are the size of its IP ranges and the data used for visitor checks.

Country

IPv4 addresses

359,936 addresses

IPv4 ranges

IPv6 ranges

Visitor check data

This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work

Portugal359,845 addresses

Angola91 addresses

Up to 20, largest first (56 in total).

193.136.0.0/15

139.83.0.0/16

194.210.0.0/16

193.236.178.0 ~ 193.236.255.255

158.162.128.0/18

158.162.64.0 ~ 158.162.119.255

158.162.0.0/19

194.117.0.0 ~ 194.117.23.255

193.236.157.0 ~ 193.236.175.255

193.236.102.0 ~ 193.236.119.255

193.236.0.0/20

194.117.40.0 ~ 194.117.49.255

192.88.250.0 ~ 192.88.254.255

192.122.238.0 ~ 192.122.242.255

185.175.184.0/22

192.92.146.0 ~ 192.92.149.255

193.236.124.0/22

193.236.97.0 ~ 193.236.99.255

192.92.152.0/23

193.236.154.0/23

Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12