The IP address 145.158.4 is provided by SURFnet, it's belong to the CDIR (Classless Inter-Domain Routing) 145.128.0.0/10 (range 145.128.0.0 to 145.191.255.255). The autonomous system number (ASN) is 1103.
| ASN | 1103 |
| IP starting by | 145.128.0.0 |
| IP ending by | 145.191.255.255 |
| ASN Name | SURFnet |
| CDIR | 145.128.0.0/10 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 12/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | NL | Netherlands | - | Utrecht | 52.0908 | 5.1222 | 2017-10-12 |
| MaxMind | NL | Netherlands | - | Utrecht | 52.0938 | 5.1191 | 2017-10-12 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.158.4.0 | 2443052032 | 0 |
| 145.158.4.1 | 2443052033 | 0 |
| 145.158.4.2 | 2443052034 | 0 |
| 145.158.4.3 | 2443052035 | 0 |
| 145.158.4.4 | 2443052036 | 0 |
| 145.158.4.5 | 2443052037 | 0 |
| 145.158.4.6 | 2443052038 | 0 |
| 145.158.4.7 | 2443052039 | 0 |
| 145.158.4.8 | 2443052040 | 0 |
| 145.158.4.9 | 2443052041 | 0 |
| 145.158.4.10 | 2443052042 | 0 |
| 145.158.4.11 | 2443052043 | 0 |
| 145.158.4.12 | 2443052044 | 0 |
| 145.158.4.13 | 2443052045 | 0 |
| 145.158.4.14 | 2443052046 | 0 |
| 145.158.4.15 | 2443052047 | 0 |
| 145.158.4.16 | 2443052048 | 0 |
| 145.158.4.17 | 2443052049 | 0 |
| 145.158.4.18 | 2443052050 | 0 |
| 145.158.4.19 | 2443052051 | 0 |
| 145.158.4.20 | 2443052052 | 0 |
| 145.158.4.21 | 2443052053 | 0 |
| 145.158.4.22 | 2443052054 | 0 |
| 145.158.4.23 | 2443052055 | 0 |
| 145.158.4.24 | 2443052056 | 0 |
| 145.158.4.25 | 2443052057 | 0 |
| 145.158.4.26 | 2443052058 | 0 |
| 145.158.4.27 | 2443052059 | 0 |
| 145.158.4.28 | 2443052060 | 0 |
| 145.158.4.29 | 2443052061 | 0 |
| 145.158.4.30 | 2443052062 | 0 |
| 145.158.4.31 | 2443052063 | 0 |
| 145.158.4.32 | 2443052064 | 0 |
| 145.158.4.33 | 2443052065 | 0 |
| 145.158.4.34 | 2443052066 | 0 |
| 145.158.4.35 | 2443052067 | 0 |
| 145.158.4.36 | 2443052068 | 0 |
| 145.158.4.37 | 2443052069 | 0 |
| 145.158.4.38 | 2443052070 | 0 |
| 145.158.4.39 | 2443052071 | 0 |
| 145.158.4.40 | 2443052072 | 0 |
| 145.158.4.41 | 2443052073 | 0 |
| 145.158.4.42 | 2443052074 | 0 |
| 145.158.4.43 | 2443052075 | 0 |
| 145.158.4.44 | 2443052076 | 0 |
| 145.158.4.45 | 2443052077 | 0 |
| 145.158.4.46 | 2443052078 | 0 |
| 145.158.4.47 | 2443052079 | 0 |
| 145.158.4.48 | 2443052080 | 0 |
| 145.158.4.49 | 2443052081 | 0 |
| 145.158.4.50 | 2443052082 | 0 |
| 145.158.4.51 | 2443052083 | 0 |
| 145.158.4.52 | 2443052084 | 0 |
| 145.158.4.53 | 2443052085 | 0 |
| 145.158.4.54 | 2443052086 | 0 |
| 145.158.4.55 | 2443052087 | 0 |
| 145.158.4.56 | 2443052088 | 0 |
| 145.158.4.57 | 2443052089 | 0 |
| 145.158.4.58 | 2443052090 | 0 |
| 145.158.4.59 | 2443052091 | 0 |
| 145.158.4.60 | 2443052092 | 0 |
| 145.158.4.61 | 2443052093 | 0 |
| 145.158.4.62 | 2443052094 | 0 |
| 145.158.4.63 | 2443052095 | 0 |
| 145.158.4.64 | 2443052096 | 0 |
| 145.158.4.65 | 2443052097 | 0 |
| 145.158.4.66 | 2443052098 | 0 |
| 145.158.4.67 | 2443052099 | 0 |
| 145.158.4.68 | 2443052100 | 0 |
| 145.158.4.69 | 2443052101 | 0 |
| 145.158.4.70 | 2443052102 | 0 |
| 145.158.4.71 | 2443052103 | 0 |
| 145.158.4.72 | 2443052104 | 0 |
| 145.158.4.73 | 2443052105 | 0 |
| 145.158.4.74 | 2443052106 | 0 |
| 145.158.4.75 | 2443052107 | 0 |
| 145.158.4.76 | 2443052108 | 0 |
| 145.158.4.77 | 2443052109 | 0 |
| 145.158.4.78 | 2443052110 | 0 |
| 145.158.4.79 | 2443052111 | 0 |
| 145.158.4.80 | 2443052112 | 0 |
| 145.158.4.81 | 2443052113 | 0 |
| 145.158.4.82 | 2443052114 | 0 |
| 145.158.4.83 | 2443052115 | 0 |
| 145.158.4.84 | 2443052116 | 0 |
| 145.158.4.85 | 2443052117 | 0 |