Die IP-Adresse 145.20.51 erfolgt über SURFnet, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 145.20.0.0/16 (Bereich 145.20.0.0, 145.20.255.255). Die autonomen Systemnummer (ASN) ist 1103.
| ASN | 1103 |
| Ausgehend von IP | 145.20.0.0 |
| Beendigung durch IP | 145.20.255.255 |
| ASN-Namen | SURFnet |
| GGDV | 145.20.0.0/16 |
| Numerische IP | |
| Registrierung | ripencc |
| Letztes update | 01.05.2020 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | NL | Niederlande | - | Utrecht | 52,0908 | 5,1222 | 2020-04-30 |
| MaxMind | NL | Niederlande | - | Maasland | 51,9362 | 4,2717 | 2020-04-30 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.20.51.0 | 2434020096 | 0 |
| 145.20.51.1 | 2434020097 | 0 |
| 145.20.51.2 | 2434020098 | 0 |
| 145.20.51.3 | 2434020099 | 0 |
| 145.20.51.4 | 2434020100 | 0 |
| 145.20.51.5 | 2434020101 | 0 |
| 145.20.51.6 | 2434020102 | 0 |
| 145.20.51.7 | 2434020103 | 0 |
| 145.20.51.8 | 2434020104 | 0 |
| 145.20.51.9 | 2434020105 | 0 |
| 145.20.51.10 | 2434020106 | 0 |
| 145.20.51.11 | 2434020107 | 0 |
| 145.20.51.12 | 2434020108 | 0 |
| 145.20.51.13 | 2434020109 | 0 |
| 145.20.51.14 | 2434020110 | 0 |
| 145.20.51.15 | 2434020111 | 0 |
| 145.20.51.16 | 2434020112 | 0 |
| 145.20.51.17 | 2434020113 | 0 |
| 145.20.51.18 | 2434020114 | 0 |
| 145.20.51.19 | 2434020115 | 0 |
| 145.20.51.20 | 2434020116 | 0 |
| 145.20.51.21 | 2434020117 | 0 |
| 145.20.51.22 | 2434020118 | 0 |
| 145.20.51.23 | 2434020119 | 0 |
| 145.20.51.24 | 2434020120 | 0 |
| 145.20.51.25 | 2434020121 | 0 |
| 145.20.51.26 | 2434020122 | 0 |
| 145.20.51.27 | 2434020123 | 0 |
| 145.20.51.28 | 2434020124 | 0 |
| 145.20.51.29 | 2434020125 | 0 |
| 145.20.51.30 | 2434020126 | 0 |
| 145.20.51.31 | 2434020127 | 0 |
| 145.20.51.32 | 2434020128 | 0 |
| 145.20.51.33 | 2434020129 | 0 |
| 145.20.51.34 | 2434020130 | 0 |
| 145.20.51.35 | 2434020131 | 0 |
| 145.20.51.36 | 2434020132 | 0 |
| 145.20.51.37 | 2434020133 | 0 |
| 145.20.51.38 | 2434020134 | 0 |
| 145.20.51.39 | 2434020135 | 0 |
| 145.20.51.40 | 2434020136 | 0 |
| 145.20.51.41 | 2434020137 | 0 |
| 145.20.51.42 | 2434020138 | 0 |
| 145.20.51.43 | 2434020139 | 0 |
| 145.20.51.44 | 2434020140 | 0 |
| 145.20.51.45 | 2434020141 | 0 |
| 145.20.51.46 | 2434020142 | 0 |
| 145.20.51.47 | 2434020143 | 0 |
| 145.20.51.48 | 2434020144 | 0 |
| 145.20.51.49 | 2434020145 | 0 |
| 145.20.51.50 | 2434020146 | 0 |
| 145.20.51.51 | 2434020147 | 0 |
| 145.20.51.52 | 2434020148 | 0 |
| 145.20.51.53 | 2434020149 | 0 |
| 145.20.51.54 | 2434020150 | 0 |
| 145.20.51.55 | 2434020151 | 0 |
| 145.20.51.56 | 2434020152 | 0 |
| 145.20.51.57 | 2434020153 | 0 |
| 145.20.51.58 | 2434020154 | 0 |
| 145.20.51.59 | 2434020155 | 0 |
| 145.20.51.60 | 2434020156 | 0 |
| 145.20.51.61 | 2434020157 | 0 |
| 145.20.51.62 | 2434020158 | 0 |
| 145.20.51.63 | 2434020159 | 0 |
| 145.20.51.64 | 2434020160 | 0 |
| 145.20.51.65 | 2434020161 | 0 |
| 145.20.51.66 | 2434020162 | 0 |
| 145.20.51.67 | 2434020163 | 0 |
| 145.20.51.68 | 2434020164 | 0 |
| 145.20.51.69 | 2434020165 | 0 |
| 145.20.51.70 | 2434020166 | 0 |
| 145.20.51.71 | 2434020167 | 0 |
| 145.20.51.72 | 2434020168 | 0 |
| 145.20.51.73 | 2434020169 | 0 |
| 145.20.51.74 | 2434020170 | 0 |
| 145.20.51.75 | 2434020171 | 0 |
| 145.20.51.76 | 2434020172 | 0 |
| 145.20.51.77 | 2434020173 | 0 |
| 145.20.51.78 | 2434020174 | 0 |
| 145.20.51.79 | 2434020175 | 0 |
| 145.20.51.80 | 2434020176 | 0 |
| 145.20.51.81 | 2434020177 | 0 |
| 145.20.51.82 | 2434020178 | 0 |
| 145.20.51.83 | 2434020179 | 0 |
| 145.20.51.84 | 2434020180 | 0 |
| 145.20.51.85 | 2434020181 | 0 |