Les adresses IP débutant par 139.63.75 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 139.63.0.0/16, le bloc IP comprant les adresses de 139.63.0.0 à 139.63.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 139.63.0.0 |
| IP se terminant par | 139.63.255.255 |
| Nom ASN | SURFnet |
| CDIR | 139.63.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 29/05/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Den Haag | 52,0767 | 4,2986 | 2019-05-29 |
| MaxMind | NL | Pays-Bas | - | - | 52,3824 | 4,8995 | 2019-05-29 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 139.63.75.0 | 2336180992 | 0 |
| 139.63.75.1 | 2336180993 | 0 |
| 139.63.75.2 | 2336180994 | 0 |
| 139.63.75.3 | 2336180995 | 0 |
| 139.63.75.4 | 2336180996 | 0 |
| 139.63.75.5 | 2336180997 | 0 |
| 139.63.75.6 | 2336180998 | 0 |
| 139.63.75.7 | 2336180999 | 0 |
| 139.63.75.8 | 2336181000 | 0 |
| 139.63.75.9 | 2336181001 | 0 |
| 139.63.75.10 | 2336181002 | 0 |
| 139.63.75.11 | 2336181003 | 0 |
| 139.63.75.12 | 2336181004 | 0 |
| 139.63.75.13 | 2336181005 | 0 |
| 139.63.75.14 | 2336181006 | 0 |
| 139.63.75.15 | 2336181007 | 0 |
| 139.63.75.16 | 2336181008 | 0 |
| 139.63.75.17 | 2336181009 | 0 |
| 139.63.75.18 | 2336181010 | 0 |
| 139.63.75.19 | 2336181011 | 0 |
| 139.63.75.20 | 2336181012 | 0 |
| 139.63.75.21 | 2336181013 | 0 |
| 139.63.75.22 | 2336181014 | 0 |
| 139.63.75.23 | 2336181015 | 0 |
| 139.63.75.24 | 2336181016 | 0 |
| 139.63.75.25 | 2336181017 | 0 |
| 139.63.75.26 | 2336181018 | 0 |
| 139.63.75.27 | 2336181019 | 0 |
| 139.63.75.28 | 2336181020 | 0 |
| 139.63.75.29 | 2336181021 | 0 |
| 139.63.75.30 | 2336181022 | 0 |
| 139.63.75.31 | 2336181023 | 0 |
| 139.63.75.32 | 2336181024 | 0 |
| 139.63.75.33 | 2336181025 | 0 |
| 139.63.75.34 | 2336181026 | 0 |
| 139.63.75.35 | 2336181027 | 0 |
| 139.63.75.36 | 2336181028 | 0 |
| 139.63.75.37 | 2336181029 | 0 |
| 139.63.75.38 | 2336181030 | 0 |
| 139.63.75.39 | 2336181031 | 0 |
| 139.63.75.40 | 2336181032 | 0 |
| 139.63.75.41 | 2336181033 | 0 |
| 139.63.75.42 | 2336181034 | 0 |
| 139.63.75.43 | 2336181035 | 0 |
| 139.63.75.44 | 2336181036 | 0 |
| 139.63.75.45 | 2336181037 | 0 |
| 139.63.75.46 | 2336181038 | 0 |
| 139.63.75.47 | 2336181039 | 0 |
| 139.63.75.48 | 2336181040 | 0 |
| 139.63.75.49 | 2336181041 | 0 |
| 139.63.75.50 | 2336181042 | 0 |
| 139.63.75.51 | 2336181043 | 0 |
| 139.63.75.52 | 2336181044 | 0 |
| 139.63.75.53 | 2336181045 | 0 |
| 139.63.75.54 | 2336181046 | 0 |
| 139.63.75.55 | 2336181047 | 0 |
| 139.63.75.56 | 2336181048 | 0 |
| 139.63.75.57 | 2336181049 | 0 |
| 139.63.75.58 | 2336181050 | 0 |
| 139.63.75.59 | 2336181051 | 0 |
| 139.63.75.60 | 2336181052 | 0 |
| 139.63.75.61 | 2336181053 | 0 |
| 139.63.75.62 | 2336181054 | 0 |
| 139.63.75.63 | 2336181055 | 0 |
| 139.63.75.64 | 2336181056 | 0 |
| 139.63.75.65 | 2336181057 | 0 |
| 139.63.75.66 | 2336181058 | 0 |
| 139.63.75.67 | 2336181059 | 0 |
| 139.63.75.68 | 2336181060 | 0 |
| 139.63.75.69 | 2336181061 | 0 |
| 139.63.75.70 | 2336181062 | 0 |
| 139.63.75.71 | 2336181063 | 0 |
| 139.63.75.72 | 2336181064 | 0 |
| 139.63.75.73 | 2336181065 | 0 |
| 139.63.75.74 | 2336181066 | 0 |
| 139.63.75.75 | 2336181067 | 0 |
| 139.63.75.76 | 2336181068 | 0 |
| 139.63.75.77 | 2336181069 | 0 |
| 139.63.75.78 | 2336181070 | 0 |
| 139.63.75.79 | 2336181071 | 0 |
| 139.63.75.80 | 2336181072 | 0 |
| 139.63.75.81 | 2336181073 | 0 |
| 139.63.75.82 | 2336181074 | 0 |
| 139.63.75.83 | 2336181075 | 0 |
| 139.63.75.84 | 2336181076 | 0 |
| 139.63.75.85 | 2336181077 | 0 |