Country
South Korea
Aggregated network and security signals for South Korea, sourced from BGP feeds, CT logs, our scan layer and honeypot network.
ASNs observed
541
last 30 d
Open IPs
5,302,870
last 90 d
Hosting share
0.9%
of open IPs
Threat hits
59
IOC matches
Top ASNs
| ASN | Name | Open IPs |
|---|---|---|
| AS4766 | KT Corporation (Korea Telecom) | 1,387,141 |
| AS9318 | SK Broadband | 122,842 |
| AS17858 | — | 114,616 |
| AS9488 | — | 112,380 |
| AS9321 | — | 60,151 |
| AS3786 | LG Uplus | 42,813 |
| AS9316 | — | 14,935 |
| AS18300 | — | 14,796 |
| AS9848 | Sejong Networks | 7,741 |
| AS31898 | Oracle Cloud Infrastructure | 7,386 |
| AS16509 | Amazon.com | 6,843 |
| AS20940 | Akamai Technologies | 6,429 |
| AS3784 | — | 5,443 |
| AS132203 | Tencent Global | 4,408 |
| AS55616 | — | 4,342 |
| AS38091 | HELLONET | 4,188 |
| AS38661 | — | 4,001 |
| AS20473 | The Constant Company | 3,094 |
| AS9644 | SK Telecom | 2,899 |
| AS45102 | Alibaba | 2,783 |
Top Hosting Providers
| ASN | Name | Open IPs |
|---|---|---|
| AS9848 | Sejong Networks | 7,741 |
| AS31898 | Oracle Cloud Infrastructure | 7,386 |
| AS20940 | Akamai Technologies | 6,429 |
| AS132203 | Tencent Global | 4,408 |
| AS20473 | The Constant Company | 3,094 |
| AS45102 | Alibaba | 2,783 |
| AS54994 | meteversecloud | 2,737 |
| AS135354 | NAVER BUSINESS PLATFORM ASIA PACIFIC | 2,627 |
| AS8075 | Microsoft | 2,319 |
| AS9286 | KINX Transit | 1,324 |
| AS139648 | PacketStream LLC | 1,207 |
| AS3257 | GTT Communications (AS3257) | 874 |
| AS45996 | DAOU TECHNOLOGY | 861 |
| AS174 | Cogent Communications, Inc. | 856 |
| AS21859 | Zenlayer Edge Cloud Network - AS21859 | 845 |
Top open ports
Tech-Stack Distribution
| Technology | Hosts |
|---|---|
| jQuery | 3,616 |
| jQuery UI | 1,361 |
| RequireJS | 1,167 |
| Vue.js | 1,108 |
| Synology DiskStation | 1,054 |
| Bootstrap | 906 |
| Prototype | 690 |
| ExtJS | 569 |
| crypto-js | 377 |
| Underscore.js | 294 |
| Backbone.js | 272 |
| Raphael | 269 |
| Google Analytics | 234 |
| Google Tag Manager | 234 |
| Cloudflare | 229 |
Top Server headers
| Server | Hosts |
|---|---|
| nginx | 7,728 |
| WebServer | 5,924 |
| AkamaiGHost | 4,310 |
| fwebserver | 2,946 |
| Apache | 1,905 |
| Microsoft-IIS/10.0 | 1,683 |
| httpd | 1,600 |
| lighttpd/1.4.54 | 1,510 |
| Webs | 1,037 |
| Httpd/1.0 | 1,015 |
| nginx/1.18.0 (Ubuntu) | 1,012 |
| Boa/0.94.14rc21 | 986 |
| GoAhead-Webs | 867 |
| nginx/1.24.0 (Ubuntu) | 845 |
| openresty | 777 |
Top Attack Sources
| Feed | Category | Matched IPs |
|---|---|---|
| firehol-l1 | abuse | 27 |
| spamhaus-drop | spam | 27 |
| tor-exit | anonymizer | 5 |