The IP address 221.20.237 is provided by SoftBank BB Corp., it's belong to the CDIR (Classless Inter-Domain Routing) 221.16.0.0/12 (range 221.16.0.0 to 221.31.255.255). The autonomous system number (ASN) is 17676.
| ASN | 17676 | 
| IP starting by | 221.16.0.0 | 
| IP ending by | 221.31.255.255 | 
| ASN Name | SoftBank BB Corp. | 
| CDIR | 221.16.0.0/12 | 
| Numerical IP | |
| Registry | apnic | 
| Last update | 01/08/2019 | 

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Shirakawa | 37.117 | 140.2 | 2019-08-01 | 
| MaxMind | JP | Japan | - | Tokyo | 35.6427 | 139.7677 | 2019-08-01 | 
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |