Les adresses IP débutant par 145.0.89 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.0.0.0/16, le bloc IP comprant les adresses de 145.0.0.0 à 145.0.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.0.0.0 |
| IP se terminant par | 145.0.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.0.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 27/05/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Den Burg | 53,0542 | 4,7972 | 2019-05-26 |
| MaxMind | NL | Pays-Bas | - | - | 52,3824 | 4,8995 | 2019-05-26 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.0.89.0 | 2432719104 | 0 |
| 145.0.89.1 | 2432719105 | 0 |
| 145.0.89.2 | 2432719106 | 0 |
| 145.0.89.3 | 2432719107 | 0 |
| 145.0.89.4 | 2432719108 | 0 |
| 145.0.89.5 | 2432719109 | 0 |
| 145.0.89.6 | 2432719110 | 0 |
| 145.0.89.7 | 2432719111 | 0 |
| 145.0.89.8 | 2432719112 | 0 |
| 145.0.89.9 | 2432719113 | 0 |
| 145.0.89.10 | 2432719114 | 0 |
| 145.0.89.11 | 2432719115 | 0 |
| 145.0.89.12 | 2432719116 | 0 |
| 145.0.89.13 | 2432719117 | 0 |
| 145.0.89.14 | 2432719118 | 0 |
| 145.0.89.15 | 2432719119 | 0 |
| 145.0.89.16 | 2432719120 | 0 |
| 145.0.89.17 | 2432719121 | 0 |
| 145.0.89.18 | 2432719122 | 0 |
| 145.0.89.19 | 2432719123 | 0 |
| 145.0.89.20 | 2432719124 | 0 |
| 145.0.89.21 | 2432719125 | 0 |
| 145.0.89.22 | 2432719126 | 0 |
| 145.0.89.23 | 2432719127 | 0 |
| 145.0.89.24 | 2432719128 | 0 |
| 145.0.89.25 | 2432719129 | 0 |
| 145.0.89.26 | 2432719130 | 0 |
| 145.0.89.27 | 2432719131 | 0 |
| 145.0.89.28 | 2432719132 | 0 |
| 145.0.89.29 | 2432719133 | 0 |
| 145.0.89.30 | 2432719134 | 0 |
| 145.0.89.31 | 2432719135 | 0 |
| 145.0.89.32 | 2432719136 | 0 |
| 145.0.89.33 | 2432719137 | 0 |
| 145.0.89.34 | 2432719138 | 0 |
| 145.0.89.35 | 2432719139 | 0 |
| 145.0.89.36 | 2432719140 | 0 |
| 145.0.89.37 | 2432719141 | 0 |
| 145.0.89.38 | 2432719142 | 0 |
| 145.0.89.39 | 2432719143 | 0 |
| 145.0.89.40 | 2432719144 | 0 |
| 145.0.89.41 | 2432719145 | 0 |
| 145.0.89.42 | 2432719146 | 0 |
| 145.0.89.43 | 2432719147 | 0 |
| 145.0.89.44 | 2432719148 | 0 |
| 145.0.89.45 | 2432719149 | 0 |
| 145.0.89.46 | 2432719150 | 0 |
| 145.0.89.47 | 2432719151 | 0 |
| 145.0.89.48 | 2432719152 | 0 |
| 145.0.89.49 | 2432719153 | 0 |
| 145.0.89.50 | 2432719154 | 0 |
| 145.0.89.51 | 2432719155 | 0 |
| 145.0.89.52 | 2432719156 | 0 |
| 145.0.89.53 | 2432719157 | 0 |
| 145.0.89.54 | 2432719158 | 0 |
| 145.0.89.55 | 2432719159 | 0 |
| 145.0.89.56 | 2432719160 | 0 |
| 145.0.89.57 | 2432719161 | 0 |
| 145.0.89.58 | 2432719162 | 0 |
| 145.0.89.59 | 2432719163 | 0 |
| 145.0.89.60 | 2432719164 | 0 |
| 145.0.89.61 | 2432719165 | 0 |
| 145.0.89.62 | 2432719166 | 0 |
| 145.0.89.63 | 2432719167 | 0 |
| 145.0.89.64 | 2432719168 | 0 |
| 145.0.89.65 | 2432719169 | 0 |
| 145.0.89.66 | 2432719170 | 0 |
| 145.0.89.67 | 2432719171 | 0 |
| 145.0.89.68 | 2432719172 | 0 |
| 145.0.89.69 | 2432719173 | 0 |
| 145.0.89.70 | 2432719174 | 0 |
| 145.0.89.71 | 2432719175 | 0 |
| 145.0.89.72 | 2432719176 | 0 |
| 145.0.89.73 | 2432719177 | 0 |
| 145.0.89.74 | 2432719178 | 0 |
| 145.0.89.75 | 2432719179 | 0 |
| 145.0.89.76 | 2432719180 | 0 |
| 145.0.89.77 | 2432719181 | 0 |
| 145.0.89.78 | 2432719182 | 0 |
| 145.0.89.79 | 2432719183 | 0 |
| 145.0.89.80 | 2432719184 | 0 |
| 145.0.89.81 | 2432719185 | 0 |
| 145.0.89.82 | 2432719186 | 0 |
| 145.0.89.83 | 2432719187 | 0 |
| 145.0.89.84 | 2432719188 | 0 |
| 145.0.89.85 | 2432719189 | 0 |
| IP | Numerical IP | DNS |
| 145.0.89.86 | 2432719190 | 0 |
| 145.0.89.87 | 2432719191 | 0 |
| 145.0.89.88 | 2432719192 | 0 |
| 145.0.89.89 | 2432719193 | 0 |
| 145.0.89.90 | 2432719194 | 0 |
| 145.0.89.91 | 2432719195 | 0 |
| 145.0.89.92 | 2432719196 | 0 |
| 145.0.89.93 | 2432719197 | 0 |
| 145.0.89.94 | 2432719198 | 0 |
| 145.0.89.95 | 2432719199 | 0 |
| 145.0.89.96 | 2432719200 | 0 |
| 145.0.89.97 | 2432719201 | 0 |
| 145.0.89.98 | 2432719202 | 0 |
| 145.0.89.99 | 2432719203 | 0 |
| 145.0.89.100 | 2432719204 | 0 |
| 145.0.89.101 | 2432719205 | 0 |
| 145.0.89.102 | 2432719206 | 0 |
| 145.0.89.103 | 2432719207 | 0 |
| 145.0.89.104 | 2432719208 | 0 |
| 145.0.89.105 | 2432719209 | 0 |
| 145.0.89.106 | 2432719210 | 0 |
| 145.0.89.107 | 2432719211 | 0 |
| 145.0.89.108 | 2432719212 | 0 |
| 145.0.89.109 | 2432719213 | 0 |
| 145.0.89.110 | 2432719214 | 0 |
| 145.0.89.111 | 2432719215 | 0 |
| 145.0.89.112 | 2432719216 | 0 |
| 145.0.89.113 | 2432719217 | 0 |
| 145.0.89.114 | 2432719218 | 0 |
| 145.0.89.115 | 2432719219 | 0 |
| 145.0.89.116 | 2432719220 | 0 |
| 145.0.89.117 | 2432719221 | 0 |
| 145.0.89.118 | 2432719222 | 0 |
| 145.0.89.119 | 2432719223 | 0 |
| 145.0.89.120 | 2432719224 | 0 |
| 145.0.89.121 | 2432719225 | 0 |
| 145.0.89.122 | 2432719226 | 0 |
| 145.0.89.123 | 2432719227 | 0 |
| 145.0.89.124 | 2432719228 | 0 |
| 145.0.89.125 | 2432719229 | 0 |
| 145.0.89.126 | 2432719230 | 0 |
| 145.0.89.127 | 2432719231 | 0 |
| 145.0.89.128 | 2432719232 | 0 |
| 145.0.89.129 | 2432719233 | 0 |
| 145.0.89.130 | 2432719234 | 0 |
| 145.0.89.131 | 2432719235 | 0 |
| 145.0.89.132 | 2432719236 | 0 |
| 145.0.89.133 | 2432719237 | 0 |
| 145.0.89.134 | 2432719238 | 0 |
| 145.0.89.135 | 2432719239 | 0 |
| 145.0.89.136 | 2432719240 | 0 |
| 145.0.89.137 | 2432719241 | 0 |
| 145.0.89.138 | 2432719242 | 0 |
| 145.0.89.139 | 2432719243 | 0 |
| 145.0.89.140 | 2432719244 | 0 |
| 145.0.89.141 | 2432719245 | 0 |
| 145.0.89.142 | 2432719246 | 0 |
| 145.0.89.143 | 2432719247 | 0 |
| 145.0.89.144 | 2432719248 | 0 |
| 145.0.89.145 | 2432719249 | 0 |
| 145.0.89.146 | 2432719250 | 0 |
| 145.0.89.147 | 2432719251 | 0 |
| 145.0.89.148 | 2432719252 | 0 |
| 145.0.89.149 | 2432719253 | 0 |
| 145.0.89.150 | 2432719254 | 0 |
| 145.0.89.151 | 2432719255 | 0 |
| 145.0.89.152 | 2432719256 | 0 |
| 145.0.89.153 | 2432719257 | 0 |
| 145.0.89.154 | 2432719258 | 0 |
| 145.0.89.155 | 2432719259 | 0 |
| 145.0.89.156 | 2432719260 | 0 |
| 145.0.89.157 | 2432719261 | 0 |
| 145.0.89.158 | 2432719262 | 0 |
| 145.0.89.159 | 2432719263 | 0 |
| 145.0.89.160 | 2432719264 | 0 |
| 145.0.89.161 | 2432719265 | 0 |
| 145.0.89.162 | 2432719266 | 0 |
| 145.0.89.163 | 2432719267 | 0 |
| 145.0.89.164 | 2432719268 | 0 |
| 145.0.89.165 | 2432719269 | 0 |
| 145.0.89.166 | 2432719270 | 0 |
| 145.0.89.167 | 2432719271 | 0 |
| 145.0.89.168 | 2432719272 | 0 |
| 145.0.89.169 | 2432719273 | 0 |
| 145.0.89.170 | 2432719274 | 0 |
| 145.0.89.171 | 2432719275 | 0 |
| IP | Numerical IP | DNS |
| 145.0.89.172 | 2432719276 | 0 |
| 145.0.89.173 | 2432719277 | 0 |
| 145.0.89.174 | 2432719278 | 0 |
| 145.0.89.175 | 2432719279 | 0 |
| 145.0.89.176 | 2432719280 | 0 |
| 145.0.89.177 | 2432719281 | 0 |
| 145.0.89.178 | 2432719282 | 0 |
| 145.0.89.179 | 2432719283 | 0 |
| 145.0.89.180 | 2432719284 | 0 |
| 145.0.89.181 | 2432719285 | 0 |
| 145.0.89.182 | 2432719286 | 0 |
| 145.0.89.183 | 2432719287 | 0 |
| 145.0.89.184 | 2432719288 | 0 |
| 145.0.89.185 | 2432719289 | 0 |
| 145.0.89.186 | 2432719290 | 0 |
| 145.0.89.187 | 2432719291 | 0 |
| 145.0.89.188 | 2432719292 | 0 |
| 145.0.89.189 | 2432719293 | 0 |
| 145.0.89.190 | 2432719294 | 0 |
| 145.0.89.191 | 2432719295 | 0 |
| 145.0.89.192 | 2432719296 | 0 |
| 145.0.89.193 | 2432719297 | 0 |
| 145.0.89.194 | 2432719298 | 0 |
| 145.0.89.195 | 2432719299 | 0 |
| 145.0.89.196 | 2432719300 | 0 |
| 145.0.89.197 | 2432719301 | 0 |
| 145.0.89.198 | 2432719302 | 0 |
| 145.0.89.199 | 2432719303 | 0 |
| 145.0.89.200 | 2432719304 | 0 |
| 145.0.89.201 | 2432719305 | 0 |
| 145.0.89.202 | 2432719306 | 0 |
| 145.0.89.203 | 2432719307 | 0 |
| 145.0.89.204 | 2432719308 | 0 |
| 145.0.89.205 | 2432719309 | 0 |
| 145.0.89.206 | 2432719310 | 0 |
| 145.0.89.207 | 2432719311 | 0 |
| 145.0.89.208 | 2432719312 | 0 |
| 145.0.89.209 | 2432719313 | 0 |
| 145.0.89.210 | 2432719314 | 0 |
| 145.0.89.211 | 2432719315 | 0 |
| 145.0.89.212 | 2432719316 | 0 |
| 145.0.89.213 | 2432719317 | 0 |
| 145.0.89.214 | 2432719318 | 0 |
| 145.0.89.215 | 2432719319 | 0 |
| 145.0.89.216 | 2432719320 | 0 |
| 145.0.89.217 | 2432719321 | 0 |
| 145.0.89.218 | 2432719322 | 0 |
| 145.0.89.219 | 2432719323 | 0 |
| 145.0.89.220 | 2432719324 | 0 |
| 145.0.89.221 | 2432719325 | 0 |
| 145.0.89.222 | 2432719326 | 0 |
| 145.0.89.223 | 2432719327 | 0 |
| 145.0.89.224 | 2432719328 | 0 |
| 145.0.89.225 | 2432719329 | 0 |
| 145.0.89.226 | 2432719330 | 0 |
| 145.0.89.227 | 2432719331 | 0 |
| 145.0.89.228 | 2432719332 | 0 |
| 145.0.89.229 | 2432719333 | 0 |
| 145.0.89.230 | 2432719334 | 0 |
| 145.0.89.231 | 2432719335 | 0 |
| 145.0.89.232 | 2432719336 | 0 |
| 145.0.89.233 | 2432719337 | 0 |
| 145.0.89.234 | 2432719338 | 0 |
| 145.0.89.235 | 2432719339 | 0 |
| 145.0.89.236 | 2432719340 | 0 |
| 145.0.89.237 | 2432719341 | 0 |
| 145.0.89.238 | 2432719342 | 0 |
| 145.0.89.239 | 2432719343 | 0 |
| 145.0.89.240 | 2432719344 | 0 |
| 145.0.89.241 | 2432719345 | 0 |
| 145.0.89.242 | 2432719346 | 0 |
| 145.0.89.243 | 2432719347 | 0 |
| 145.0.89.244 | 2432719348 | 0 |
| 145.0.89.245 | 2432719349 | 0 |
| 145.0.89.246 | 2432719350 | 0 |
| 145.0.89.247 | 2432719351 | 0 |
| 145.0.89.248 | 2432719352 | 0 |
| 145.0.89.249 | 2432719353 | 0 |
| 145.0.89.250 | 2432719354 | 0 |
| 145.0.89.251 | 2432719355 | 0 |
| 145.0.89.252 | 2432719356 | 0 |
| 145.0.89.253 | 2432719357 | 0 |
| 145.0.89.254 | 2432719358 | 0 |
| 145.0.89.255 | 2432719359 | 0 |