South Korea IP Ranges in CIDR format

Updated: 17 September 2025

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Download formats

IPTables

IPTables - for Linux firewalls

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IPChains

IPChains - for older Linux systems

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Cisco ACL

Cisco ACL - for Cisco routers and switches

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CIDR

CIDR - standard notation for IP ranges

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IPv4 Ranges

Total ranges: 2315

1.11.0.0/16

1.16.0.0/14

1.96.0.0/12

1.176.0.0/15

1.201.0.0/16

1.208.0.0/12

1.224.0.0/11

14.0.32.0/19

14.0.64.0/21

14.0.72.0/22

14.0.76.0/23

14.0.78.0/23

14.0.80.0/20

14.0.96.0/19

14.4.0.0/14

14.32.0.0/11

14.64.0.0/11

14.128.128.0/17

14.129.0.0/16

14.138.0.0/16

2295 more ranges...

IPv6 Ranges

Total ranges: 178

2001:220::/35

2001:220:2000::/35

2001:220:4000::/34

2001:220:8000::/33

2001:230::/35

2001:230:2000::/35

2001:230:4000::/34

2001:230:8000::/33

2001:270::/35

2001:270:2000::/35

2001:270:4000::/34

2001:270:8000::/33

2001:280::/35

2001:280:2000::/35

2001:280:4000::/34

2001:280:8000::/33

2001:290::/35

2001:290:2000::/35

2001:290:4000::/34

2001:290:8000::/33

158 more ranges...

What are IP ranges for South Korea?

IP ranges for South Korea are sets of IP addresses assigned to internet service providers and organizations within South Korea. These addresses are used to connect devices to the internet or internal networks and help identify traffic originating from South Korea.

How to use South Korea IP ranges

IP ranges for South Korea are widely used in network device configurations such as firewalls, routers and switches. You can use these ranges to filter traffic, block unwanted connections from or to South Korea, or allow access only to specific IP addresses from South Korea.

IPv4 and IPv6 ranges for South Korea

Current IPv4 and IPv6 ranges allow you to configure secure and reliable connections with South Korea. You can use these ranges to configure IPTABLES, IPCHAINS and CISCO ACL configurations for network security and access control.

IPv4 Ranges

Total ranges: 2315

IPv4 ranges for South Korea include main address blocks used by internet service providers and organizations.

IPv6 Ranges

Total ranges: 178

IPv6 ranges for South Korea represent modern next-generation address blocks for advanced network infrastructure.

Network security tools for South Korea

Want to know which ports and services are open in South Korea? Register on ScaniteX and get free access to network security tools. Start scanning networks in South Korea right now!