IP address ranges in South Korea
South Korea holds 131,103 IPv4 segments in the IP99 geolocation database, covering 116,097,491 addresses. In the 7 days to 27 October 2026 we newly captured 21,346 proxy-type addresses there.
Network usage types
The ratio of residential broadband to datacenter address space is the most direct indicator of what kind of proxy risk a region carries: a high datacenter share means datacenter proxies are more likely; a high residential share means home-broadband proxies and dial-up pools are.
| Usage type | Segments | Share |
|---|---|---|
| Residential broadband | 12,640 | 47.1% |
| Datacenter | 6,315 | 23.5% |
| Gateway / NAT egress | 5,373 | 20.0% |
| Education network | 2,208 | 8.2% |
| Mobile network | 143 | 0.5% |
| CDN node | 61 | 0.2% |
| Organisation | 59 | 0.2% |
| Government | 29 | 0.1% |
Regions
| Region | Segments | Share |
|---|---|---|
| Seoul | 43,735 | 33.4% |
| Gyeonggi-do | 34,585 | 26.4% |
| Incheon | 9,535 | 7.3% |
| Chungcheongnam-do | 4,697 | 3.6% |
| Gyeongsangnam-do | 4,668 | 3.6% |
| Gyeongsangbuk-do | 4,502 | 3.4% |
| Busan | 4,101 | 3.1% |
| Jeollanam-do | 3,705 | 2.8% |
| Jeollabuk-do | 3,576 | 2.7% |
| Gangwon-teukbyeoljachido | 3,360 | 2.6% |
| Daejeon | 3,234 | 2.5% |
| Daegu | 3,000 | 2.3% |
| Gwangju | 2,005 | 1.5% |
| North Chungcheong | 1,926 | 1.5% |
| Ulsan | 1,342 | 1.0% |
| Gangwon-do | 1,076 | 0.8% |
| Jeju-do | 1,037 | 0.8% |
| Chungcheongbuk-do | 1,019 | 0.8% |
Cities
| City | Segments | Share |
|---|---|---|
| Seoul | 43,719 | 33.3% |
| Incheon | 9,534 | 7.3% |
| Suwon | 5,660 | 4.3% |
| Busan | 4,101 | 3.1% |
| Seongnam-si | 3,321 | 2.5% |
| Gwangju | 3,166 | 2.4% |
| Ansan-si | 3,110 | 2.4% |
| Daegu | 3,000 | 2.3% |
| Hwaseong-si | 2,981 | 2.3% |
| Goyang-si | 2,751 | 2.1% |
| Anyang-si | 1,959 | 1.5% |
| Daejeon | 1,947 | 1.5% |
| Hwado | 1,804 | 1.4% |
| Cheongju-si | 1,720 | 1.3% |
| Changwon | 1,629 | 1.2% |
| Bucheon-si | 1,500 | 1.1% |
| Jeonju | 1,450 | 1.1% |
| Cheonan | 1,401 | 1.1% |
| Pyeongtaek | 1,385 | 1.1% |
| Ulsan | 1,342 | 1.0% |
Autonomous systems
An ASN identifies the operator of a network. Addresses under one ASN usually share risk characteristics, which is why risk controls often act on whole ASNs rather than single addresses. Operator names are not published here — the machine-readable identity is the ASN.
| ASN | Segments |
|---|---|
| AS4766 | 61,713 |
| AS9318 | 21,393 |
| AS17858 | 15,851 |
| AS3786 | 11,164 |
| AS9644 | 2,123 |
| AS9316 | 1,183 |
| AS17849 | 703 |
| AS10036 | 633 |
| AS8075 | 621 |
| AS9848 | 594 |
Look up a single address
Free, no signup: curl https://ip99.com/v1/ip/8.8.8.8 — see the API documentation.
Go deeper
What is my IP address? · How IP location works, and how accurate it is · What an IP address lookup can and cannot tell you