Les adresses IP débutant par 145.3.158 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.2.0.0/15, le bloc IP comprant les adresses de 145.2.0.0 à 145.3.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.2.0.0 |
| IP se terminant par | 145.3.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.2.0.0/15 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 28/03/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Zeist | 52,09 | 5,2333 | 2019-03-27 |
| MaxMind | NL | Pays-Bas | - | Zeist | 52,0944 | 5,2419 | 2019-03-27 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.3.158.0 | 2432933376 | 0 |
| 145.3.158.1 | 2432933377 | 0 |
| 145.3.158.2 | 2432933378 | 0 |
| 145.3.158.3 | 2432933379 | 0 |
| 145.3.158.4 | 2432933380 | 0 |
| 145.3.158.5 | 2432933381 | 0 |
| 145.3.158.6 | 2432933382 | 0 |
| 145.3.158.7 | 2432933383 | 0 |
| 145.3.158.8 | 2432933384 | 0 |
| 145.3.158.9 | 2432933385 | 0 |
| 145.3.158.10 | 2432933386 | 0 |
| 145.3.158.11 | 2432933387 | 0 |
| 145.3.158.12 | 2432933388 | 0 |
| 145.3.158.13 | 2432933389 | 0 |
| 145.3.158.14 | 2432933390 | 0 |
| 145.3.158.15 | 2432933391 | 0 |
| 145.3.158.16 | 2432933392 | 0 |
| 145.3.158.17 | 2432933393 | 0 |
| 145.3.158.18 | 2432933394 | 0 |
| 145.3.158.19 | 2432933395 | 0 |
| 145.3.158.20 | 2432933396 | 0 |
| 145.3.158.21 | 2432933397 | 0 |
| 145.3.158.22 | 2432933398 | 0 |
| 145.3.158.23 | 2432933399 | 0 |
| 145.3.158.24 | 2432933400 | 0 |
| 145.3.158.25 | 2432933401 | 0 |
| 145.3.158.26 | 2432933402 | 0 |
| 145.3.158.27 | 2432933403 | 0 |
| 145.3.158.28 | 2432933404 | 0 |
| 145.3.158.29 | 2432933405 | 0 |
| 145.3.158.30 | 2432933406 | 0 |
| 145.3.158.31 | 2432933407 | 0 |
| 145.3.158.32 | 2432933408 | 0 |
| 145.3.158.33 | 2432933409 | 0 |
| 145.3.158.34 | 2432933410 | 0 |
| 145.3.158.35 | 2432933411 | 0 |
| 145.3.158.36 | 2432933412 | 0 |
| 145.3.158.37 | 2432933413 | 0 |
| 145.3.158.38 | 2432933414 | 0 |
| 145.3.158.39 | 2432933415 | 0 |
| 145.3.158.40 | 2432933416 | 0 |
| 145.3.158.41 | 2432933417 | 0 |
| 145.3.158.42 | 2432933418 | 0 |
| 145.3.158.43 | 2432933419 | 0 |
| 145.3.158.44 | 2432933420 | 0 |
| 145.3.158.45 | 2432933421 | 0 |
| 145.3.158.46 | 2432933422 | 0 |
| 145.3.158.47 | 2432933423 | 0 |
| 145.3.158.48 | 2432933424 | 0 |
| 145.3.158.49 | 2432933425 | 0 |
| 145.3.158.50 | 2432933426 | 0 |
| 145.3.158.51 | 2432933427 | 0 |
| 145.3.158.52 | 2432933428 | 0 |
| 145.3.158.53 | 2432933429 | 0 |
| 145.3.158.54 | 2432933430 | 0 |
| 145.3.158.55 | 2432933431 | 0 |
| 145.3.158.56 | 2432933432 | 0 |
| 145.3.158.57 | 2432933433 | 0 |
| 145.3.158.58 | 2432933434 | 0 |
| 145.3.158.59 | 2432933435 | 0 |
| 145.3.158.60 | 2432933436 | 0 |
| 145.3.158.61 | 2432933437 | 0 |
| 145.3.158.62 | 2432933438 | 0 |
| 145.3.158.63 | 2432933439 | 0 |
| 145.3.158.64 | 2432933440 | 0 |
| 145.3.158.65 | 2432933441 | 0 |
| 145.3.158.66 | 2432933442 | 0 |
| 145.3.158.67 | 2432933443 | 0 |
| 145.3.158.68 | 2432933444 | 0 |
| 145.3.158.69 | 2432933445 | 0 |
| 145.3.158.70 | 2432933446 | 0 |
| 145.3.158.71 | 2432933447 | 0 |
| 145.3.158.72 | 2432933448 | 0 |
| 145.3.158.73 | 2432933449 | 0 |
| 145.3.158.74 | 2432933450 | 0 |
| 145.3.158.75 | 2432933451 | 0 |
| 145.3.158.76 | 2432933452 | 0 |
| 145.3.158.77 | 2432933453 | 0 |
| 145.3.158.78 | 2432933454 | 0 |
| 145.3.158.79 | 2432933455 | 0 |
| 145.3.158.80 | 2432933456 | 0 |
| 145.3.158.81 | 2432933457 | 0 |
| 145.3.158.82 | 2432933458 | 0 |
| 145.3.158.83 | 2432933459 | 0 |
| 145.3.158.84 | 2432933460 | 0 |
| 145.3.158.85 | 2432933461 | 0 |