The IP address 128.99.231 is provided by University of Toronto, it's belong to the CDIR (Classless Inter-Domain Routing) 128.100.0.0/16 (range 128.100.0.0 to 128.100.255.255). The autonomous system number (ASN) is 239.
| ASN | 239 |
| IP starting by | 128.100.0.0 |
| IP ending by | 128.100.255.255 |
| ASN Name | University of Toronto |
| CDIR | 128.100.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 25/11/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CA | Canada | - | Wilcox Corners | 43.0751 | -79.5918 | 2018-11-25 |
| MaxMind | CA | Canada | - | Toronto | 43.6629 | -79.3987 | 2018-11-25 |
| Whois | CA | - | - | - | -106 | 56 | |
| W3C | - | - | - | - | - | - | - |