Les adresses IP débutant par 145.131.5 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 | 16/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Den Haag | 52,0767 | 4,2986 | 2019-07-16 |
| MaxMind | NL | Pays-Bas | - | Rotterdam | 51,9797 | 4,5876 | 2019-07-16 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.131.5.0 | 2441282816 | 0 |
| 145.131.5.1 | 2441282817 | 0 |
| 145.131.5.2 | 2441282818 | 0 |
| 145.131.5.3 | 2441282819 | 0 |
| 145.131.5.4 | 2441282820 | 0 |
| 145.131.5.5 | 2441282821 | 0 |
| 145.131.5.6 | 2441282822 | 0 |
| 145.131.5.7 | 2441282823 | 0 |
| 145.131.5.8 | 2441282824 | 0 |
| 145.131.5.9 | 2441282825 | 0 |
| 145.131.5.10 | 2441282826 | 0 |
| 145.131.5.11 | 2441282827 | 0 |
| 145.131.5.12 | 2441282828 | 0 |
| 145.131.5.13 | 2441282829 | 0 |
| 145.131.5.14 | 2441282830 | 0 |
| 145.131.5.15 | 2441282831 | 0 |
| 145.131.5.16 | 2441282832 | 0 |
| 145.131.5.17 | 2441282833 | 0 |
| 145.131.5.18 | 2441282834 | 0 |
| 145.131.5.19 | 2441282835 | 0 |
| 145.131.5.20 | 2441282836 | 0 |
| 145.131.5.21 | 2441282837 | 0 |
| 145.131.5.22 | 2441282838 | 0 |
| 145.131.5.23 | 2441282839 | 0 |
| 145.131.5.24 | 2441282840 | 0 |
| 145.131.5.25 | 2441282841 | 0 |
| 145.131.5.26 | 2441282842 | 0 |
| 145.131.5.27 | 2441282843 | 0 |
| 145.131.5.28 | 2441282844 | 0 |
| 145.131.5.29 | 2441282845 | 0 |
| 145.131.5.30 | 2441282846 | 0 |
| 145.131.5.31 | 2441282847 | 0 |
| 145.131.5.32 | 2441282848 | 0 |
| 145.131.5.33 | 2441282849 | 0 |
| 145.131.5.34 | 2441282850 | 0 |
| 145.131.5.35 | 2441282851 | 0 |
| 145.131.5.36 | 2441282852 | 0 |
| 145.131.5.37 | 2441282853 | 0 |
| 145.131.5.38 | 2441282854 | 0 |
| 145.131.5.39 | 2441282855 | 0 |
| 145.131.5.40 | 2441282856 | 0 |
| 145.131.5.41 | 2441282857 | 0 |
| 145.131.5.42 | 2441282858 | 0 |
| 145.131.5.43 | 2441282859 | 0 |
| 145.131.5.44 | 2441282860 | 0 |
| 145.131.5.45 | 2441282861 | 0 |
| 145.131.5.46 | 2441282862 | 0 |
| 145.131.5.47 | 2441282863 | 0 |
| 145.131.5.48 | 2441282864 | 0 |
| 145.131.5.49 | 2441282865 | 0 |
| 145.131.5.50 | 2441282866 | 0 |
| 145.131.5.51 | 2441282867 | 0 |
| 145.131.5.52 | 2441282868 | 0 |
| 145.131.5.53 | 2441282869 | 0 |
| 145.131.5.54 | 2441282870 | 0 |
| 145.131.5.55 | 2441282871 | 0 |
| 145.131.5.56 | 2441282872 | 0 |
| 145.131.5.57 | 2441282873 | 0 |
| 145.131.5.58 | 2441282874 | 0 |
| 145.131.5.59 | 2441282875 | 0 |
| 145.131.5.60 | 2441282876 | 0 |
| 145.131.5.61 | 2441282877 | 0 |
| 145.131.5.62 | 2441282878 | 0 |
| 145.131.5.63 | 2441282879 | 0 |
| 145.131.5.64 | 2441282880 | 0 |
| 145.131.5.65 | 2441282881 | 0 |
| 145.131.5.66 | 2441282882 | 0 |
| 145.131.5.67 | 2441282883 | 0 |
| 145.131.5.68 | 2441282884 | 0 |
| 145.131.5.69 | 2441282885 | 0 |
| 145.131.5.70 | 2441282886 | 0 |
| 145.131.5.71 | 2441282887 | 0 |
| 145.131.5.72 | 2441282888 | 0 |
| 145.131.5.73 | 2441282889 | 0 |
| 145.131.5.74 | 2441282890 | 0 |
| 145.131.5.75 | 2441282891 | 0 |
| 145.131.5.76 | 2441282892 | 0 |
| 145.131.5.77 | 2441282893 | 0 |
| 145.131.5.78 | 2441282894 | 0 |
| 145.131.5.79 | 2441282895 | 0 |
| 145.131.5.80 | 2441282896 | 0 |
| 145.131.5.81 | 2441282897 | 0 |
| 145.131.5.82 | 2441282898 | 0 |
| 145.131.5.83 | 2441282899 | 0 |
| 145.131.5.84 | 2441282900 | 0 |
| 145.131.5.85 | 2441282901 | 0 |