Les adresses IP débutant par 81.171.50 sont fournies par , elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.171.32.0/19, le bloc IP comprant les adresses de 81.171.32.0 à 81.171.63.255). Le numéro de système autonome (ASN) est 12989.
| ASN | 12989 |
| IP commençant par | 81.171.32.0 |
| IP se terminant par | 81.171.63.255 |
| Nom ASN | |
| CDIR | 81.171.32.0/19 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 11/05/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Alkmaar | 52,6317 | 4,7486 | 2018-05-11 |
| MaxMind | NL | Pays-Bas | - | - | 52,3824 | 4,8995 | 2018-05-11 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.171.50.0 | 1370173952 | 0 |
| 81.171.50.1 | 1370173953 | 0 |
| 81.171.50.2 | 1370173954 | 0 |
| 81.171.50.3 | 1370173955 | 0 |
| 81.171.50.4 | 1370173956 | 0 |
| 81.171.50.5 | 1370173957 | 0 |
| 81.171.50.6 | 1370173958 | 0 |
| 81.171.50.7 | 1370173959 | 0 |
| 81.171.50.8 | 1370173960 | 0 |
| 81.171.50.9 | 1370173961 | 0 |
| 81.171.50.10 | 1370173962 | 0 |
| 81.171.50.11 | 1370173963 | 0 |
| 81.171.50.12 | 1370173964 | 0 |
| 81.171.50.13 | 1370173965 | 0 |
| 81.171.50.14 | 1370173966 | 0 |
| 81.171.50.15 | 1370173967 | 0 |
| 81.171.50.16 | 1370173968 | 0 |
| 81.171.50.17 | 1370173969 | 0 |
| 81.171.50.18 | 1370173970 | 0 |
| 81.171.50.19 | 1370173971 | 0 |
| 81.171.50.20 | 1370173972 | 0 |
| 81.171.50.21 | 1370173973 | 0 |
| 81.171.50.22 | 1370173974 | 0 |
| 81.171.50.23 | 1370173975 | 0 |
| 81.171.50.24 | 1370173976 | 0 |
| 81.171.50.25 | 1370173977 | 0 |
| 81.171.50.26 | 1370173978 | 0 |
| 81.171.50.27 | 1370173979 | 0 |
| 81.171.50.28 | 1370173980 | 0 |
| 81.171.50.29 | 1370173981 | 0 |
| 81.171.50.30 | 1370173982 | 0 |
| 81.171.50.31 | 1370173983 | 0 |
| 81.171.50.32 | 1370173984 | 0 |
| 81.171.50.33 | 1370173985 | 0 |
| 81.171.50.34 | 1370173986 | 0 |
| 81.171.50.35 | 1370173987 | 0 |
| 81.171.50.36 | 1370173988 | 0 |
| 81.171.50.37 | 1370173989 | 0 |
| 81.171.50.38 | 1370173990 | 0 |
| 81.171.50.39 | 1370173991 | 0 |
| 81.171.50.40 | 1370173992 | 0 |
| 81.171.50.41 | 1370173993 | 0 |
| 81.171.50.42 | 1370173994 | 0 |
| 81.171.50.43 | 1370173995 | 0 |
| 81.171.50.44 | 1370173996 | 0 |
| 81.171.50.45 | 1370173997 | 0 |
| 81.171.50.46 | 1370173998 | 0 |
| 81.171.50.47 | 1370173999 | 0 |
| 81.171.50.48 | 1370174000 | 0 |
| 81.171.50.49 | 1370174001 | 0 |
| 81.171.50.50 | 1370174002 | 0 |
| 81.171.50.51 | 1370174003 | 0 |
| 81.171.50.52 | 1370174004 | 0 |
| 81.171.50.53 | 1370174005 | 0 |
| 81.171.50.54 | 1370174006 | 0 |
| 81.171.50.55 | 1370174007 | 0 |
| 81.171.50.56 | 1370174008 | 0 |
| 81.171.50.57 | 1370174009 | 0 |
| 81.171.50.58 | 1370174010 | 0 |
| 81.171.50.59 | 1370174011 | 0 |
| 81.171.50.60 | 1370174012 | 0 |
| 81.171.50.61 | 1370174013 | 0 |
| 81.171.50.62 | 1370174014 | 0 |
| 81.171.50.63 | 1370174015 | 0 |
| 81.171.50.64 | 1370174016 | 0 |
| 81.171.50.65 | 1370174017 | 0 |
| 81.171.50.66 | 1370174018 | 0 |
| 81.171.50.67 | 1370174019 | 0 |
| 81.171.50.68 | 1370174020 | 0 |
| 81.171.50.69 | 1370174021 | 0 |
| 81.171.50.70 | 1370174022 | 0 |
| 81.171.50.71 | 1370174023 | 0 |
| 81.171.50.72 | 1370174024 | 0 |
| 81.171.50.73 | 1370174025 | 0 |
| 81.171.50.74 | 1370174026 | 0 |
| 81.171.50.75 | 1370174027 | 0 |
| 81.171.50.76 | 1370174028 | 0 |
| 81.171.50.77 | 1370174029 | 0 |
| 81.171.50.78 | 1370174030 | 0 |
| 81.171.50.79 | 1370174031 | 0 |
| 81.171.50.80 | 1370174032 | 0 |
| 81.171.50.81 | 1370174033 | 0 |
| 81.171.50.82 | 1370174034 | 0 |
| 81.171.50.83 | 1370174035 | 0 |
| 81.171.50.84 | 1370174036 | 0 |
| 81.171.50.85 | 1370174037 | 0 |