AS17841 NATIONAL INFORMATION RESOURCES SERVICE
A network in South Korea. Here are the size of its IP ranges and the data used for visitor checks.
South KoreaVisitor 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 (74 in total).
27.101.0.0/16
152.99.0.0/16
116.67.0.0/17
125.60.0.0/18
125.128.64.0/19
203.238.160.0/20
210.99.48.0/21
222.111.248.0/21
211.173.34.0 ~ 211.173.39.255
203.242.0.0 ~ 203.242.4.255
168.126.120.0/22
203.233.54.0 ~ 203.233.57.255
211.39.91.0 ~ 211.39.94.255
211.42.72.0/22
222.111.168.0/22
61.72.224.0 ~ 61.72.226.255
210.103.81.0 ~ 210.103.83.255
211.42.84.0 ~ 211.42.86.255
61.72.238.0/23
101.79.44.0/23
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12