Les adresses IP débutant par 145.91.97 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 145.91.0.0/16, le bloc IP comprant les adresses de 145.91.0.0 à 145.91.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 145.91.0.0 |
| IP se terminant par | 145.91.255.255 |
| Nom ASN | SURFnet |
| CDIR | 145.91.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 19/11/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Maastricht | 50,8483 | 5,6889 | 2019-11-19 |
| MaxMind | NL | Pays-Bas | - | Weert | 51,2409 | 5,6998 | 2019-11-19 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 145.91.97.0 | 2438684928 | 0 |
| 145.91.97.1 | 2438684929 | 0 |
| 145.91.97.2 | 2438684930 | 0 |
| 145.91.97.3 | 2438684931 | 0 |
| 145.91.97.4 | 2438684932 | 0 |
| 145.91.97.5 | 2438684933 | 0 |
| 145.91.97.6 | 2438684934 | 0 |
| 145.91.97.7 | 2438684935 | 0 |
| 145.91.97.8 | 2438684936 | 0 |
| 145.91.97.9 | 2438684937 | 0 |
| 145.91.97.10 | 2438684938 | 0 |
| 145.91.97.11 | 2438684939 | 0 |
| 145.91.97.12 | 2438684940 | 0 |
| 145.91.97.13 | 2438684941 | 0 |
| 145.91.97.14 | 2438684942 | 0 |
| 145.91.97.15 | 2438684943 | 0 |
| 145.91.97.16 | 2438684944 | 0 |
| 145.91.97.17 | 2438684945 | 0 |
| 145.91.97.18 | 2438684946 | 0 |
| 145.91.97.19 | 2438684947 | 0 |
| 145.91.97.20 | 2438684948 | 0 |
| 145.91.97.21 | 2438684949 | 0 |
| 145.91.97.22 | 2438684950 | 0 |
| 145.91.97.23 | 2438684951 | 0 |
| 145.91.97.24 | 2438684952 | 0 |
| 145.91.97.25 | 2438684953 | 0 |
| 145.91.97.26 | 2438684954 | 0 |
| 145.91.97.27 | 2438684955 | 0 |
| 145.91.97.28 | 2438684956 | 0 |
| 145.91.97.29 | 2438684957 | 0 |
| 145.91.97.30 | 2438684958 | 0 |
| 145.91.97.31 | 2438684959 | 0 |
| 145.91.97.32 | 2438684960 | 0 |
| 145.91.97.33 | 2438684961 | 0 |
| 145.91.97.34 | 2438684962 | 0 |
| 145.91.97.35 | 2438684963 | 0 |
| 145.91.97.36 | 2438684964 | 0 |
| 145.91.97.37 | 2438684965 | 0 |
| 145.91.97.38 | 2438684966 | 0 |
| 145.91.97.39 | 2438684967 | 0 |
| 145.91.97.40 | 2438684968 | 0 |
| 145.91.97.41 | 2438684969 | 0 |
| 145.91.97.42 | 2438684970 | 0 |
| 145.91.97.43 | 2438684971 | 0 |
| 145.91.97.44 | 2438684972 | 0 |
| 145.91.97.45 | 2438684973 | 0 |
| 145.91.97.46 | 2438684974 | 0 |
| 145.91.97.47 | 2438684975 | 0 |
| 145.91.97.48 | 2438684976 | 0 |
| 145.91.97.49 | 2438684977 | 0 |
| 145.91.97.50 | 2438684978 | 0 |
| 145.91.97.51 | 2438684979 | 0 |
| 145.91.97.52 | 2438684980 | 0 |
| 145.91.97.53 | 2438684981 | 0 |
| 145.91.97.54 | 2438684982 | 0 |
| 145.91.97.55 | 2438684983 | 0 |
| 145.91.97.56 | 2438684984 | 0 |
| 145.91.97.57 | 2438684985 | 0 |
| 145.91.97.58 | 2438684986 | 0 |
| 145.91.97.59 | 2438684987 | 0 |
| 145.91.97.60 | 2438684988 | 0 |
| 145.91.97.61 | 2438684989 | 0 |
| 145.91.97.62 | 2438684990 | 0 |
| 145.91.97.63 | 2438684991 | 0 |
| 145.91.97.64 | 2438684992 | 0 |
| 145.91.97.65 | 2438684993 | 0 |
| 145.91.97.66 | 2438684994 | 0 |
| 145.91.97.67 | 2438684995 | 0 |
| 145.91.97.68 | 2438684996 | 0 |
| 145.91.97.69 | 2438684997 | 0 |
| 145.91.97.70 | 2438684998 | 0 |
| 145.91.97.71 | 2438684999 | 0 |
| 145.91.97.72 | 2438685000 | 0 |
| 145.91.97.73 | 2438685001 | 0 |
| 145.91.97.74 | 2438685002 | 0 |
| 145.91.97.75 | 2438685003 | 0 |
| 145.91.97.76 | 2438685004 | 0 |
| 145.91.97.77 | 2438685005 | 0 |
| 145.91.97.78 | 2438685006 | 0 |
| 145.91.97.79 | 2438685007 | 0 |
| 145.91.97.80 | 2438685008 | 0 |
| 145.91.97.81 | 2438685009 | 0 |
| 145.91.97.82 | 2438685010 | 0 |
| 145.91.97.83 | 2438685011 | 0 |
| 145.91.97.84 | 2438685012 | 0 |
| 145.91.97.85 | 2438685013 | 0 |