The IP address 137.120.129 is provided by SURFnet, it's belong to the CDIR (Classless Inter-Domain Routing) 137.120.0.0/16 (range 137.120.0.0 to 137.120.255.255). The autonomous system number (ASN) is 1103.
| ASN | 1103 |
| IP starting by | 137.120.0.0 |
| IP ending by | 137.120.255.255 |
| ASN Name | SURFnet |
| CDIR | 137.120.0.0/16 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 21/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | NL | Netherlands | - | Maastricht | 50.8483 | 5.6889 | 2017-08-20 |
| MaxMind | NL | Netherlands | - | Maastricht | 50.85 | 5.6833 | 2017-08-20 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |