Les adresses IP débutant par 145.9.149 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.9.0.0/16, le bloc IP comprant les adresses de 145.9.0.0 à 145.9.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.9.0.0 |
| IP se terminant par | 145.9.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.9.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 09/01/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Utrecht | 52,0908 | 5,1222 | 2019-01-09 |
| MaxMind | NL | Pays-Bas | - | Utrecht | 52,0938 | 5,1191 | 2019-01-09 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.9.149.0 | 2433324288 | 0 |
| 145.9.149.1 | 2433324289 | 0 |
| 145.9.149.2 | 2433324290 | 0 |
| 145.9.149.3 | 2433324291 | 0 |
| 145.9.149.4 | 2433324292 | 0 |
| 145.9.149.5 | 2433324293 | 0 |
| 145.9.149.6 | 2433324294 | 0 |
| 145.9.149.7 | 2433324295 | 0 |
| 145.9.149.8 | 2433324296 | 0 |
| 145.9.149.9 | 2433324297 | 0 |
| 145.9.149.10 | 2433324298 | 0 |
| 145.9.149.11 | 2433324299 | 0 |
| 145.9.149.12 | 2433324300 | 0 |
| 145.9.149.13 | 2433324301 | 0 |
| 145.9.149.14 | 2433324302 | 0 |
| 145.9.149.15 | 2433324303 | 0 |
| 145.9.149.16 | 2433324304 | 0 |
| 145.9.149.17 | 2433324305 | 0 |
| 145.9.149.18 | 2433324306 | 0 |
| 145.9.149.19 | 2433324307 | 0 |
| 145.9.149.20 | 2433324308 | 0 |
| 145.9.149.21 | 2433324309 | 0 |
| 145.9.149.22 | 2433324310 | 0 |
| 145.9.149.23 | 2433324311 | 0 |
| 145.9.149.24 | 2433324312 | 0 |
| 145.9.149.25 | 2433324313 | 0 |
| 145.9.149.26 | 2433324314 | 0 |
| 145.9.149.27 | 2433324315 | 0 |
| 145.9.149.28 | 2433324316 | 0 |
| 145.9.149.29 | 2433324317 | 0 |
| 145.9.149.30 | 2433324318 | 0 |
| 145.9.149.31 | 2433324319 | 0 |
| 145.9.149.32 | 2433324320 | 0 |
| 145.9.149.33 | 2433324321 | 0 |
| 145.9.149.34 | 2433324322 | 0 |
| 145.9.149.35 | 2433324323 | 0 |
| 145.9.149.36 | 2433324324 | 0 |
| 145.9.149.37 | 2433324325 | 0 |
| 145.9.149.38 | 2433324326 | 0 |
| 145.9.149.39 | 2433324327 | 0 |
| 145.9.149.40 | 2433324328 | 0 |
| 145.9.149.41 | 2433324329 | 0 |
| 145.9.149.42 | 2433324330 | 0 |
| 145.9.149.43 | 2433324331 | 0 |
| 145.9.149.44 | 2433324332 | 0 |
| 145.9.149.45 | 2433324333 | 0 |
| 145.9.149.46 | 2433324334 | 0 |
| 145.9.149.47 | 2433324335 | 0 |
| 145.9.149.48 | 2433324336 | 0 |
| 145.9.149.49 | 2433324337 | 0 |
| 145.9.149.50 | 2433324338 | 0 |
| 145.9.149.51 | 2433324339 | 0 |
| 145.9.149.52 | 2433324340 | 0 |
| 145.9.149.53 | 2433324341 | 0 |
| 145.9.149.54 | 2433324342 | 0 |
| 145.9.149.55 | 2433324343 | 0 |
| 145.9.149.56 | 2433324344 | 0 |
| 145.9.149.57 | 2433324345 | 0 |
| 145.9.149.58 | 2433324346 | 0 |
| 145.9.149.59 | 2433324347 | 0 |
| 145.9.149.60 | 2433324348 | 0 |
| 145.9.149.61 | 2433324349 | 0 |
| 145.9.149.62 | 2433324350 | 0 |
| 145.9.149.63 | 2433324351 | 0 |
| 145.9.149.64 | 2433324352 | 0 |
| 145.9.149.65 | 2433324353 | 0 |
| 145.9.149.66 | 2433324354 | 0 |
| 145.9.149.67 | 2433324355 | 0 |
| 145.9.149.68 | 2433324356 | 0 |
| 145.9.149.69 | 2433324357 | 0 |
| 145.9.149.70 | 2433324358 | 0 |
| 145.9.149.71 | 2433324359 | 0 |
| 145.9.149.72 | 2433324360 | 0 |
| 145.9.149.73 | 2433324361 | 0 |
| 145.9.149.74 | 2433324362 | 0 |
| 145.9.149.75 | 2433324363 | 0 |
| 145.9.149.76 | 2433324364 | 0 |
| 145.9.149.77 | 2433324365 | 0 |
| 145.9.149.78 | 2433324366 | 0 |
| 145.9.149.79 | 2433324367 | 0 |
| 145.9.149.80 | 2433324368 | 0 |
| 145.9.149.81 | 2433324369 | 0 |
| 145.9.149.82 | 2433324370 | 0 |
| 145.9.149.83 | 2433324371 | 0 |
| 145.9.149.84 | 2433324372 | 0 |
| 145.9.149.85 | 2433324373 | 0 |