The IP address 128.21.125 is provided by K-Opticom Corporation, it's belong to the CDIR (Classless Inter-Domain Routing) 128.22.0.0/16 (range 128.22.0.0 to 128.22.255.255). The autonomous system number (ASN) is 17511.
| ASN | 17511 |
| IP starting by | 128.22.0.0 |
| IP ending by | 128.22.255.255 |
| ASN Name | K-Opticom Corporation |
| CDIR | 128.22.0.0/16 |
| Numerical IP | |
| Registry | apnic |
| Last update | 11/04/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Menlo Park | 37.4369 | -122.1936 | 2018-04-11 |
| MaxMind | US | United States | - | Menlo Park | 37.459 | -122.1781 | 2018-04-11 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |