Les adresses IP débutant par 145.73.64 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.74.0.0/15, le bloc IP comprant les adresses de 145.74.0.0 à 145.75.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.74.0.0 |
| IP se terminant par | 145.75.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.74.0.0/15 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 31/12/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Arnhem | 51,98 | 5,9111 | 2019-12-30 |
| MaxMind | NL | Pays-Bas | - | Arnhem | 51,9798 | 5,9256 | 2019-12-30 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.73.64.0 | 2437496832 | 0 |
| 145.73.64.1 | 2437496833 | 0 |
| 145.73.64.2 | 2437496834 | 0 |
| 145.73.64.3 | 2437496835 | 0 |
| 145.73.64.4 | 2437496836 | 0 |
| 145.73.64.5 | 2437496837 | 0 |
| 145.73.64.6 | 2437496838 | 0 |
| 145.73.64.7 | 2437496839 | 0 |
| 145.73.64.8 | 2437496840 | 0 |
| 145.73.64.9 | 2437496841 | 0 |
| 145.73.64.10 | 2437496842 | 0 |
| 145.73.64.11 | 2437496843 | 0 |
| 145.73.64.12 | 2437496844 | 0 |
| 145.73.64.13 | 2437496845 | 0 |
| 145.73.64.14 | 2437496846 | 0 |
| 145.73.64.15 | 2437496847 | 0 |
| 145.73.64.16 | 2437496848 | 0 |
| 145.73.64.17 | 2437496849 | 0 |
| 145.73.64.18 | 2437496850 | 0 |
| 145.73.64.19 | 2437496851 | 0 |
| 145.73.64.20 | 2437496852 | 0 |
| 145.73.64.21 | 2437496853 | 0 |
| 145.73.64.22 | 2437496854 | 0 |
| 145.73.64.23 | 2437496855 | 0 |
| 145.73.64.24 | 2437496856 | 0 |
| 145.73.64.25 | 2437496857 | 0 |
| 145.73.64.26 | 2437496858 | 0 |
| 145.73.64.27 | 2437496859 | 0 |
| 145.73.64.28 | 2437496860 | 0 |
| 145.73.64.29 | 2437496861 | 0 |
| 145.73.64.30 | 2437496862 | 0 |
| 145.73.64.31 | 2437496863 | 0 |
| 145.73.64.32 | 2437496864 | 0 |
| 145.73.64.33 | 2437496865 | 0 |
| 145.73.64.34 | 2437496866 | 0 |
| 145.73.64.35 | 2437496867 | 0 |
| 145.73.64.36 | 2437496868 | 0 |
| 145.73.64.37 | 2437496869 | 0 |
| 145.73.64.38 | 2437496870 | 0 |
| 145.73.64.39 | 2437496871 | 0 |
| 145.73.64.40 | 2437496872 | 0 |
| 145.73.64.41 | 2437496873 | 0 |
| 145.73.64.42 | 2437496874 | 0 |
| 145.73.64.43 | 2437496875 | 0 |
| 145.73.64.44 | 2437496876 | 0 |
| 145.73.64.45 | 2437496877 | 0 |
| 145.73.64.46 | 2437496878 | 0 |
| 145.73.64.47 | 2437496879 | 0 |
| 145.73.64.48 | 2437496880 | 0 |
| 145.73.64.49 | 2437496881 | 0 |
| 145.73.64.50 | 2437496882 | 0 |
| 145.73.64.51 | 2437496883 | 0 |
| 145.73.64.52 | 2437496884 | 0 |
| 145.73.64.53 | 2437496885 | 0 |
| 145.73.64.54 | 2437496886 | 0 |
| 145.73.64.55 | 2437496887 | 0 |
| 145.73.64.56 | 2437496888 | 0 |
| 145.73.64.57 | 2437496889 | 0 |
| 145.73.64.58 | 2437496890 | 0 |
| 145.73.64.59 | 2437496891 | 0 |
| 145.73.64.60 | 2437496892 | 0 |
| 145.73.64.61 | 2437496893 | 0 |
| 145.73.64.62 | 2437496894 | 0 |
| 145.73.64.63 | 2437496895 | 0 |
| 145.73.64.64 | 2437496896 | 0 |
| 145.73.64.65 | 2437496897 | 0 |
| 145.73.64.66 | 2437496898 | 0 |
| 145.73.64.67 | 2437496899 | 0 |
| 145.73.64.68 | 2437496900 | 0 |
| 145.73.64.69 | 2437496901 | 0 |
| 145.73.64.70 | 2437496902 | 0 |
| 145.73.64.71 | 2437496903 | 0 |
| 145.73.64.72 | 2437496904 | 0 |
| 145.73.64.73 | 2437496905 | 0 |
| 145.73.64.74 | 2437496906 | 0 |
| 145.73.64.75 | 2437496907 | 0 |
| 145.73.64.76 | 2437496908 | 0 |
| 145.73.64.77 | 2437496909 | 0 |
| 145.73.64.78 | 2437496910 | 0 |
| 145.73.64.79 | 2437496911 | 0 |
| 145.73.64.80 | 2437496912 | 0 |
| 145.73.64.81 | 2437496913 | 0 |
| 145.73.64.82 | 2437496914 | 0 |
| 145.73.64.83 | 2437496915 | 0 |
| 145.73.64.84 | 2437496916 | 0 |
| 145.73.64.85 | 2437496917 | 0 |