The IP address 145.109.253 is provided by SURFnet, it's belong to the CDIR (Classless Inter-Domain Routing) 145.109.128.0/17 (range 145.109.128.0 to 145.109.255.255). The autonomous system number (ASN) is 1103.
| ASN | 1103 |
| IP starting by | 145.109.128.0 |
| IP ending by | 145.109.255.255 |
| ASN Name | SURFnet |
| CDIR | 145.109.128.0/17 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 30/12/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | NL | Netherlands | - | Utrecht | 52.0908 | 5.1222 | 2019-12-29 |
| MaxMind | NL | Netherlands | - | Amsterdam | 52.35 | 4.9167 | 2019-12-29 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |