Les adresses IP débutant par 145.158.2 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 | 10/10/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Utrecht | 52,0908 | 5,1222 | 2017-10-12 |
| MaxMind | NL | Pays-Bas | - | Utrecht | 52,0938 | 5,1191 | 2017-10-12 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.158.2.0 | 2443051520 | 0 |
| 145.158.2.1 | 2443051521 | 0 |
| 145.158.2.2 | 2443051522 | 0 |
| 145.158.2.3 | 2443051523 | 0 |
| 145.158.2.4 | 2443051524 | 0 |
| 145.158.2.5 | 2443051525 | 0 |
| 145.158.2.6 | 2443051526 | 0 |
| 145.158.2.7 | 2443051527 | 0 |
| 145.158.2.8 | 2443051528 | 0 |
| 145.158.2.9 | 2443051529 | 0 |
| 145.158.2.10 | 2443051530 | 0 |
| 145.158.2.11 | 2443051531 | 0 |
| 145.158.2.12 | 2443051532 | 0 |
| 145.158.2.13 | 2443051533 | 0 |
| 145.158.2.14 | 2443051534 | 0 |
| 145.158.2.15 | 2443051535 | 0 |
| 145.158.2.16 | 2443051536 | 0 |
| 145.158.2.17 | 2443051537 | 0 |
| 145.158.2.18 | 2443051538 | 0 |
| 145.158.2.19 | 2443051539 | 0 |
| 145.158.2.20 | 2443051540 | 0 |
| 145.158.2.21 | 2443051541 | 0 |
| 145.158.2.22 | 2443051542 | 0 |
| 145.158.2.23 | 2443051543 | 0 |
| 145.158.2.24 | 2443051544 | 0 |
| 145.158.2.25 | 2443051545 | 0 |
| 145.158.2.26 | 2443051546 | 0 |
| 145.158.2.27 | 2443051547 | 0 |
| 145.158.2.28 | 2443051548 | 0 |
| 145.158.2.29 | 2443051549 | 0 |
| 145.158.2.30 | 2443051550 | 0 |
| 145.158.2.31 | 2443051551 | 0 |
| 145.158.2.32 | 2443051552 | 0 |
| 145.158.2.33 | 2443051553 | 0 |
| 145.158.2.34 | 2443051554 | 0 |
| 145.158.2.35 | 2443051555 | 0 |
| 145.158.2.36 | 2443051556 | 0 |
| 145.158.2.37 | 2443051557 | 0 |
| 145.158.2.38 | 2443051558 | 0 |
| 145.158.2.39 | 2443051559 | 0 |
| 145.158.2.40 | 2443051560 | 0 |
| 145.158.2.41 | 2443051561 | 0 |
| 145.158.2.42 | 2443051562 | 0 |
| 145.158.2.43 | 2443051563 | 0 |
| 145.158.2.44 | 2443051564 | 0 |
| 145.158.2.45 | 2443051565 | 0 |
| 145.158.2.46 | 2443051566 | 0 |
| 145.158.2.47 | 2443051567 | 0 |
| 145.158.2.48 | 2443051568 | 0 |
| 145.158.2.49 | 2443051569 | 0 |
| 145.158.2.50 | 2443051570 | 0 |
| 145.158.2.51 | 2443051571 | 0 |
| 145.158.2.52 | 2443051572 | 0 |
| 145.158.2.53 | 2443051573 | 0 |
| 145.158.2.54 | 2443051574 | 0 |
| 145.158.2.55 | 2443051575 | 0 |
| 145.158.2.56 | 2443051576 | 0 |
| 145.158.2.57 | 2443051577 | 0 |
| 145.158.2.58 | 2443051578 | 0 |
| 145.158.2.59 | 2443051579 | 0 |
| 145.158.2.60 | 2443051580 | 0 |
| 145.158.2.61 | 2443051581 | 0 |
| 145.158.2.62 | 2443051582 | 0 |
| 145.158.2.63 | 2443051583 | 0 |
| 145.158.2.64 | 2443051584 | 0 |
| 145.158.2.65 | 2443051585 | 0 |
| 145.158.2.66 | 2443051586 | 0 |
| 145.158.2.67 | 2443051587 | 0 |
| 145.158.2.68 | 2443051588 | 0 |
| 145.158.2.69 | 2443051589 | 0 |
| 145.158.2.70 | 2443051590 | 0 |
| 145.158.2.71 | 2443051591 | 0 |
| 145.158.2.72 | 2443051592 | 0 |
| 145.158.2.73 | 2443051593 | 0 |
| 145.158.2.74 | 2443051594 | 0 |
| 145.158.2.75 | 2443051595 | 0 |
| 145.158.2.76 | 2443051596 | 0 |
| 145.158.2.77 | 2443051597 | 0 |
| 145.158.2.78 | 2443051598 | 0 |
| 145.158.2.79 | 2443051599 | 0 |
| 145.158.2.80 | 2443051600 | 0 |
| 145.158.2.81 | 2443051601 | 0 |
| 145.158.2.82 | 2443051602 | 0 |
| 145.158.2.83 | 2443051603 | 0 |
| 145.158.2.84 | 2443051604 | 0 |
| 145.158.2.85 | 2443051605 | 0 |