Les adresses IP débutant par 145.73.68 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 | 26/05/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Arnhem | 51,98 | 5,9111 | 2019-05-26 |
| MaxMind | NL | Pays-Bas | - | Arnhem | 51,9798 | 5,9256 | 2019-05-26 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.73.68.0 | 2437497856 | 0 |
| 145.73.68.1 | 2437497857 | 0 |
| 145.73.68.2 | 2437497858 | 0 |
| 145.73.68.3 | 2437497859 | 0 |
| 145.73.68.4 | 2437497860 | 0 |
| 145.73.68.5 | 2437497861 | 0 |
| 145.73.68.6 | 2437497862 | 0 |
| 145.73.68.7 | 2437497863 | 0 |
| 145.73.68.8 | 2437497864 | 0 |
| 145.73.68.9 | 2437497865 | 0 |
| 145.73.68.10 | 2437497866 | 0 |
| 145.73.68.11 | 2437497867 | 0 |
| 145.73.68.12 | 2437497868 | 0 |
| 145.73.68.13 | 2437497869 | 0 |
| 145.73.68.14 | 2437497870 | 0 |
| 145.73.68.15 | 2437497871 | 0 |
| 145.73.68.16 | 2437497872 | 0 |
| 145.73.68.17 | 2437497873 | 0 |
| 145.73.68.18 | 2437497874 | 0 |
| 145.73.68.19 | 2437497875 | 0 |
| 145.73.68.20 | 2437497876 | 0 |
| 145.73.68.21 | 2437497877 | 0 |
| 145.73.68.22 | 2437497878 | 0 |
| 145.73.68.23 | 2437497879 | 0 |
| 145.73.68.24 | 2437497880 | 0 |
| 145.73.68.25 | 2437497881 | 0 |
| 145.73.68.26 | 2437497882 | 0 |
| 145.73.68.27 | 2437497883 | 0 |
| 145.73.68.28 | 2437497884 | 0 |
| 145.73.68.29 | 2437497885 | 0 |
| 145.73.68.30 | 2437497886 | 0 |
| 145.73.68.31 | 2437497887 | 0 |
| 145.73.68.32 | 2437497888 | 0 |
| 145.73.68.33 | 2437497889 | 0 |
| 145.73.68.34 | 2437497890 | 0 |
| 145.73.68.35 | 2437497891 | 0 |
| 145.73.68.36 | 2437497892 | 0 |
| 145.73.68.37 | 2437497893 | 0 |
| 145.73.68.38 | 2437497894 | 0 |
| 145.73.68.39 | 2437497895 | 0 |
| 145.73.68.40 | 2437497896 | 0 |
| 145.73.68.41 | 2437497897 | 0 |
| 145.73.68.42 | 2437497898 | 0 |
| 145.73.68.43 | 2437497899 | 0 |
| 145.73.68.44 | 2437497900 | 0 |
| 145.73.68.45 | 2437497901 | 0 |
| 145.73.68.46 | 2437497902 | 0 |
| 145.73.68.47 | 2437497903 | 0 |
| 145.73.68.48 | 2437497904 | 0 |
| 145.73.68.49 | 2437497905 | 0 |
| 145.73.68.50 | 2437497906 | 0 |
| 145.73.68.51 | 2437497907 | 0 |
| 145.73.68.52 | 2437497908 | 0 |
| 145.73.68.53 | 2437497909 | 0 |
| 145.73.68.54 | 2437497910 | 0 |
| 145.73.68.55 | 2437497911 | 0 |
| 145.73.68.56 | 2437497912 | 0 |
| 145.73.68.57 | 2437497913 | 0 |
| 145.73.68.58 | 2437497914 | 0 |
| 145.73.68.59 | 2437497915 | 0 |
| 145.73.68.60 | 2437497916 | 0 |
| 145.73.68.61 | 2437497917 | 0 |
| 145.73.68.62 | 2437497918 | 0 |
| 145.73.68.63 | 2437497919 | 0 |
| 145.73.68.64 | 2437497920 | 0 |
| 145.73.68.65 | 2437497921 | 0 |
| 145.73.68.66 | 2437497922 | 0 |
| 145.73.68.67 | 2437497923 | 0 |
| 145.73.68.68 | 2437497924 | 0 |
| 145.73.68.69 | 2437497925 | 0 |
| 145.73.68.70 | 2437497926 | 0 |
| 145.73.68.71 | 2437497927 | 0 |
| 145.73.68.72 | 2437497928 | 0 |
| 145.73.68.73 | 2437497929 | 0 |
| 145.73.68.74 | 2437497930 | 0 |
| 145.73.68.75 | 2437497931 | 0 |
| 145.73.68.76 | 2437497932 | 0 |
| 145.73.68.77 | 2437497933 | 0 |
| 145.73.68.78 | 2437497934 | 0 |
| 145.73.68.79 | 2437497935 | 0 |
| 145.73.68.80 | 2437497936 | 0 |
| 145.73.68.81 | 2437497937 | 0 |
| 145.73.68.82 | 2437497938 | 0 |
| 145.73.68.83 | 2437497939 | 0 |
| 145.73.68.84 | 2437497940 | 0 |
| 145.73.68.85 | 2437497941 | 0 |