Les adresses IP débutant par 145.166.3 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.128.0.0/10, le bloc IP comprant les adresses de 145.128.0.0 à 145.191.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.128.0.0 |
| IP se terminant par | 145.191.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.128.0.0/10 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 11/03/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Utrecht | 52,0908 | 5,1222 | 2018-03-11 |
| MaxMind | NL | Pays-Bas | - | Utrecht | 52,0938 | 5,1191 | 2018-03-11 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.166.3.0 | 2443576064 | 0 |
| 145.166.3.1 | 2443576065 | 0 |
| 145.166.3.2 | 2443576066 | 0 |
| 145.166.3.3 | 2443576067 | 0 |
| 145.166.3.4 | 2443576068 | 0 |
| 145.166.3.5 | 2443576069 | 0 |
| 145.166.3.6 | 2443576070 | 0 |
| 145.166.3.7 | 2443576071 | 0 |
| 145.166.3.8 | 2443576072 | 0 |
| 145.166.3.9 | 2443576073 | 0 |
| 145.166.3.10 | 2443576074 | 0 |
| 145.166.3.11 | 2443576075 | 0 |
| 145.166.3.12 | 2443576076 | 0 |
| 145.166.3.13 | 2443576077 | 0 |
| 145.166.3.14 | 2443576078 | 0 |
| 145.166.3.15 | 2443576079 | 0 |
| 145.166.3.16 | 2443576080 | 0 |
| 145.166.3.17 | 2443576081 | 0 |
| 145.166.3.18 | 2443576082 | 0 |
| 145.166.3.19 | 2443576083 | 0 |
| 145.166.3.20 | 2443576084 | 0 |
| 145.166.3.21 | 2443576085 | 0 |
| 145.166.3.22 | 2443576086 | 0 |
| 145.166.3.23 | 2443576087 | 0 |
| 145.166.3.24 | 2443576088 | 0 |
| 145.166.3.25 | 2443576089 | 0 |
| 145.166.3.26 | 2443576090 | 0 |
| 145.166.3.27 | 2443576091 | 0 |
| 145.166.3.28 | 2443576092 | 0 |
| 145.166.3.29 | 2443576093 | 0 |
| 145.166.3.30 | 2443576094 | 0 |
| 145.166.3.31 | 2443576095 | 0 |
| 145.166.3.32 | 2443576096 | 0 |
| 145.166.3.33 | 2443576097 | 0 |
| 145.166.3.34 | 2443576098 | 0 |
| 145.166.3.35 | 2443576099 | 0 |
| 145.166.3.36 | 2443576100 | 0 |
| 145.166.3.37 | 2443576101 | 0 |
| 145.166.3.38 | 2443576102 | 0 |
| 145.166.3.39 | 2443576103 | 0 |
| 145.166.3.40 | 2443576104 | 0 |
| 145.166.3.41 | 2443576105 | 0 |
| 145.166.3.42 | 2443576106 | 0 |
| 145.166.3.43 | 2443576107 | 0 |
| 145.166.3.44 | 2443576108 | 0 |
| 145.166.3.45 | 2443576109 | 0 |
| 145.166.3.46 | 2443576110 | 0 |
| 145.166.3.47 | 2443576111 | 0 |
| 145.166.3.48 | 2443576112 | 0 |
| 145.166.3.49 | 2443576113 | 0 |
| 145.166.3.50 | 2443576114 | 0 |
| 145.166.3.51 | 2443576115 | 0 |
| 145.166.3.52 | 2443576116 | 0 |
| 145.166.3.53 | 2443576117 | 0 |
| 145.166.3.54 | 2443576118 | 0 |
| 145.166.3.55 | 2443576119 | 0 |
| 145.166.3.56 | 2443576120 | 0 |
| 145.166.3.57 | 2443576121 | 0 |
| 145.166.3.58 | 2443576122 | 0 |
| 145.166.3.59 | 2443576123 | 0 |
| 145.166.3.60 | 2443576124 | 0 |
| 145.166.3.61 | 2443576125 | 0 |
| 145.166.3.62 | 2443576126 | 0 |
| 145.166.3.63 | 2443576127 | 0 |
| 145.166.3.64 | 2443576128 | 0 |
| 145.166.3.65 | 2443576129 | 0 |
| 145.166.3.66 | 2443576130 | 0 |
| 145.166.3.67 | 2443576131 | 0 |
| 145.166.3.68 | 2443576132 | 0 |
| 145.166.3.69 | 2443576133 | 0 |
| 145.166.3.70 | 2443576134 | 0 |
| 145.166.3.71 | 2443576135 | 0 |
| 145.166.3.72 | 2443576136 | 0 |
| 145.166.3.73 | 2443576137 | 0 |
| 145.166.3.74 | 2443576138 | 0 |
| 145.166.3.75 | 2443576139 | 0 |
| 145.166.3.76 | 2443576140 | 0 |
| 145.166.3.77 | 2443576141 | 0 |
| 145.166.3.78 | 2443576142 | 0 |
| 145.166.3.79 | 2443576143 | 0 |
| 145.166.3.80 | 2443576144 | 0 |
| 145.166.3.81 | 2443576145 | 0 |
| 145.166.3.82 | 2443576146 | 0 |
| 145.166.3.83 | 2443576147 | 0 |
| 145.166.3.84 | 2443576148 | 0 |
| 145.166.3.85 | 2443576149 | 0 |