The IP address 133.220.231 is provided by Research Organization of Information and Systems, National Institute of Informatics, it's belong to the CDIR (Classless Inter-Domain Routing) 133.220.0.0/16 (range 133.220.0.0 to 133.220.255.255). The autonomous system number (ASN) is 2907.
| ASN | 2907 | 
| IP starting by | 133.220.0.0 | 
| IP ending by | 133.220.255.255 | 
| ASN Name | Research Organization of Information and Systems, National Institute of Informatics | 
| CDIR | 133.220.0.0/16 | 
| Numerical IP | |
| Registry | apnic | 
| Last update | 25/03/2020 | 

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Ebetsu | 43.1 | 141.533 | 2020-03-24 | 
| MaxMind | JP | Japan | - | - | 35.69 | 139.69 | 2020-03-24 | 
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |