L'indirizzo IP 145.161.4 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 145.128.0.0/10, IP tra 145.128.0.0 a 145.191.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 145.128.0.0 |
| IP finale con | 145.191.255.255 |
| ASN Nome | SURFnet |
| CDIR | 145.128.0.0/10 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 08/03/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | NL | Netherlands | - | Utrecht | 52,0908 | 5,1222 | 2018-03-08 |
| MaxMind | NL | Netherlands | - | Utrecht | 52,0938 | 5,1191 | 2018-03-08 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.161.4.0 | 2443248640 | 0 |
| 145.161.4.1 | 2443248641 | 0 |
| 145.161.4.2 | 2443248642 | 0 |
| 145.161.4.3 | 2443248643 | 0 |
| 145.161.4.4 | 2443248644 | 0 |
| 145.161.4.5 | 2443248645 | 0 |
| 145.161.4.6 | 2443248646 | 0 |
| 145.161.4.7 | 2443248647 | 0 |
| 145.161.4.8 | 2443248648 | 0 |
| 145.161.4.9 | 2443248649 | 0 |
| 145.161.4.10 | 2443248650 | 0 |
| 145.161.4.11 | 2443248651 | 0 |
| 145.161.4.12 | 2443248652 | 0 |
| 145.161.4.13 | 2443248653 | 0 |
| 145.161.4.14 | 2443248654 | 0 |
| 145.161.4.15 | 2443248655 | 0 |
| 145.161.4.16 | 2443248656 | 0 |
| 145.161.4.17 | 2443248657 | 0 |
| 145.161.4.18 | 2443248658 | 0 |
| 145.161.4.19 | 2443248659 | 0 |
| 145.161.4.20 | 2443248660 | 0 |
| 145.161.4.21 | 2443248661 | 0 |
| 145.161.4.22 | 2443248662 | 0 |
| 145.161.4.23 | 2443248663 | 0 |
| 145.161.4.24 | 2443248664 | 0 |
| 145.161.4.25 | 2443248665 | 0 |
| 145.161.4.26 | 2443248666 | 0 |
| 145.161.4.27 | 2443248667 | 0 |
| 145.161.4.28 | 2443248668 | 0 |
| 145.161.4.29 | 2443248669 | 0 |
| 145.161.4.30 | 2443248670 | 0 |
| 145.161.4.31 | 2443248671 | 0 |
| 145.161.4.32 | 2443248672 | 0 |
| 145.161.4.33 | 2443248673 | 0 |
| 145.161.4.34 | 2443248674 | 0 |
| 145.161.4.35 | 2443248675 | 0 |
| 145.161.4.36 | 2443248676 | 0 |
| 145.161.4.37 | 2443248677 | 0 |
| 145.161.4.38 | 2443248678 | 0 |
| 145.161.4.39 | 2443248679 | 0 |
| 145.161.4.40 | 2443248680 | 0 |
| 145.161.4.41 | 2443248681 | 0 |
| 145.161.4.42 | 2443248682 | 0 |
| 145.161.4.43 | 2443248683 | 0 |
| 145.161.4.44 | 2443248684 | 0 |
| 145.161.4.45 | 2443248685 | 0 |
| 145.161.4.46 | 2443248686 | 0 |
| 145.161.4.47 | 2443248687 | 0 |
| 145.161.4.48 | 2443248688 | 0 |
| 145.161.4.49 | 2443248689 | 0 |
| 145.161.4.50 | 2443248690 | 0 |
| 145.161.4.51 | 2443248691 | 0 |
| 145.161.4.52 | 2443248692 | 0 |
| 145.161.4.53 | 2443248693 | 0 |
| 145.161.4.54 | 2443248694 | 0 |
| 145.161.4.55 | 2443248695 | 0 |
| 145.161.4.56 | 2443248696 | 0 |
| 145.161.4.57 | 2443248697 | 0 |
| 145.161.4.58 | 2443248698 | 0 |
| 145.161.4.59 | 2443248699 | 0 |
| 145.161.4.60 | 2443248700 | 0 |
| 145.161.4.61 | 2443248701 | 0 |
| 145.161.4.62 | 2443248702 | 0 |
| 145.161.4.63 | 2443248703 | 0 |
| 145.161.4.64 | 2443248704 | 0 |
| 145.161.4.65 | 2443248705 | 0 |
| 145.161.4.66 | 2443248706 | 0 |
| 145.161.4.67 | 2443248707 | 0 |
| 145.161.4.68 | 2443248708 | 0 |
| 145.161.4.69 | 2443248709 | 0 |
| 145.161.4.70 | 2443248710 | 0 |
| 145.161.4.71 | 2443248711 | 0 |
| 145.161.4.72 | 2443248712 | 0 |
| 145.161.4.73 | 2443248713 | 0 |
| 145.161.4.74 | 2443248714 | 0 |
| 145.161.4.75 | 2443248715 | 0 |
| 145.161.4.76 | 2443248716 | 0 |
| 145.161.4.77 | 2443248717 | 0 |
| 145.161.4.78 | 2443248718 | 0 |
| 145.161.4.79 | 2443248719 | 0 |
| 145.161.4.80 | 2443248720 | 0 |
| 145.161.4.81 | 2443248721 | 0 |
| 145.161.4.82 | 2443248722 | 0 |
| 145.161.4.83 | 2443248723 | 0 |
| 145.161.4.84 | 2443248724 | 0 |
| 145.161.4.85 | 2443248725 | 0 |