The IP address 66.163.187 is provided by Yahoo, it's belong to the CDIR (Classless Inter-Domain Routing) 66.163.184.0/21 (range 66.163.184.0 to 66.163.191.255). The autonomous system number (ASN) is 36646.
| ASN | 36646 |
| IP starting by | 66.163.184.0 |
| IP ending by | 66.163.191.255 |
| ASN Name | Yahoo |
| CDIR | 66.163.184.0/21 |
| Numerical IP | |
| Registry | arin |
| Last update | 05/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Sunnyvale | 37.4012 | -122.0075 | 2017-07-03 |
| MaxMind | US | United States | - | Sunnyvale | 37.4249 | -122.0074 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |