Whois: 121.128.0.0/11
| IP Range: | 121.128.0.0 - 121.159.255.255 (2,097,152 total) |
| IP Location: |  South Korea |
| ISP Company: | Korea Telecom  |
| ISP ASN: | AS4766 |
| ISP Address: | Gyeongsangbuk-do |
| ISP Website: | https://www.kt.com/ |
| ISP Country: | South Korea, Andong |
121.128.0.0/11 domains
| # | Name | IPv4 | IPv6 | Rank | Updated |
|---|---|---|---|---|---|
| No results |
121.128.0.0/11 Nameservers
| # | NameServer | IPv4 | IPv6 | Updated |
|---|---|---|---|---|
| No results |
121.128.0.0/11 users
| # | IP | OS | Browser | Updated |
|---|---|---|---|---|
| 1 | 121.139.173.249 |  Mac OS X |
 Safari Generic |
Last seen: 11.05.2026 |
| 2 | 121.139.173.249 |  Ubuntu |
 Firefox Generic |
Last seen: 11.05.2026 |
| 3 | 121.146.10.184 | Mac OS X |
Firefox 131.0 |
Last seen: 06.05.2026 |
| 4 | 121.144.185.22 | Mac OS X |
 Chrome 130.0 |
Last seen: 06.05.2026 |
| 5 | 121.151.215.130 |  Windows 10 |
Chrome 136.0 |
Last seen: 05.05.2026 |
| 6 | 121.128.84.20 | Windows 10 |
Chrome 134.0 |
Last seen: 04.05.2026 |
| 7 | 121.151.210.100 | Mac OS X |
Firefox 131.0 |
Last seen: 03.05.2026 |
| 8 | 121.136.46.232 | Mac OS X |
Chrome 133.0 |
Last seen: 03.05.2026 |
| 9 | 121.140.51.138 | Windows 10 |
Chrome 133.0 |
Last seen: 03.05.2026 |
| 10 | 121.139.173.249 |  Linux |
Chrome 114.0 |
Last seen: 03.05.2026 |
| 11 | 121.151.210.100 | Mac OS X |
Firefox 125.0 |
Last seen: 02.05.2026 |
| 12 | 121.139.179.251 | Mac OS X |
Safari Generic Older |
Last seen: 02.05.2026 |
| 13 | 121.144.185.22 | Mac OS X |
Chrome 127.0 |
Last seen: 02.05.2026 |
| 14 | 121.146.10.184 | Mac OS X |
Firefox 133.0 |
Last seen: 01.05.2026 |
| 15 | 121.132.202.164 | Mac OS X |
Safari Generic Older |
Last seen: 01.05.2026 |
| 16 | 121.151.210.100 | Mac OS X |
Chrome 134.0 |
Last seen: 01.05.2026 |
| 17 | 121.136.46.232 | Mac OS X |
Chrome 124.0 |
Last seen: 30.04.2026 |
| 18 | 121.139.173.249 | Linux |
 Vivaldi |
Last seen: 09.04.2026 |
| 19 | 121.159.137.110 | Mac OS X |
Chrome 142.0 |
Last seen: 06.04.2026 |
| 20 | 121.139.173.111 |  Unknown OS Platform |
 Googlebot 2.1 |
Last seen: 02.03.2026 |
