The IP address 203.141.78 is provided by AT&T Japan KK, it's belong to the CDIR (Classless Inter-Domain Routing) 203.141.80.0/20 (range 203.141.80.0 to 203.141.95.255). The autonomous system number (ASN) is 18289.
| ASN | 18289 |
| IP starting by | 203.141.80.0 |
| IP ending by | 203.141.95.255 |
| ASN Name | AT&T Japan KK |
| CDIR | 203.141.80.0/20 |
| Numerical IP | |
| Registry | apnic |
| Last update | 14/04/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Hamamatsu | 34.7108 | 137.7261 | 2020-04-14 |
| MaxMind | JP | Japan | - | Chiba | 35.6047 | 140.1233 | 2020-04-14 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |