Les adresses IP débutant par 81.171.72 sont fournies par , elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.171.64.0/20, le bloc IP comprant les adresses de 81.171.64.0 à 81.171.79.255). Le numéro de système autonome (ASN) est 12989.
| ASN | 12989 |
| IP commençant par | 81.171.64.0 |
| IP se terminant par | 81.171.79.255 |
| Nom ASN | |
| CDIR | 81.171.64.0/20 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 01/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | NL | Pays-Bas | - | Alkmaar | 52,6317 | 4,7486 | 2017-09-01 |
| MaxMind | NL | Pays-Bas | - | - | 52,3824 | 4,8995 | 2017-09-01 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.171.72.0 | 1370179584 | 0 |
| 81.171.72.1 | 1370179585 | 0 |
| 81.171.72.2 | 1370179586 | 0 |
| 81.171.72.3 | 1370179587 | 0 |
| 81.171.72.4 | 1370179588 | 0 |
| 81.171.72.5 | 1370179589 | 0 |
| 81.171.72.6 | 1370179590 | 0 |
| 81.171.72.7 | 1370179591 | 0 |
| 81.171.72.8 | 1370179592 | 0 |
| 81.171.72.9 | 1370179593 | 0 |
| 81.171.72.10 | 1370179594 | 0 |
| 81.171.72.11 | 1370179595 | 0 |
| 81.171.72.12 | 1370179596 | 0 |
| 81.171.72.13 | 1370179597 | 0 |
| 81.171.72.14 | 1370179598 | 0 |
| 81.171.72.15 | 1370179599 | 0 |
| 81.171.72.16 | 1370179600 | 0 |
| 81.171.72.17 | 1370179601 | 0 |
| 81.171.72.18 | 1370179602 | 0 |
| 81.171.72.19 | 1370179603 | 0 |
| 81.171.72.20 | 1370179604 | 0 |
| 81.171.72.21 | 1370179605 | 0 |
| 81.171.72.22 | 1370179606 | 0 |
| 81.171.72.23 | 1370179607 | 0 |
| 81.171.72.24 | 1370179608 | 0 |
| 81.171.72.25 | 1370179609 | 0 |
| 81.171.72.26 | 1370179610 | 0 |
| 81.171.72.27 | 1370179611 | 0 |
| 81.171.72.28 | 1370179612 | 0 |
| 81.171.72.29 | 1370179613 | 0 |
| 81.171.72.30 | 1370179614 | 0 |
| 81.171.72.31 | 1370179615 | 0 |
| 81.171.72.32 | 1370179616 | 0 |
| 81.171.72.33 | 1370179617 | 0 |
| 81.171.72.34 | 1370179618 | 0 |
| 81.171.72.35 | 1370179619 | 0 |
| 81.171.72.36 | 1370179620 | 0 |
| 81.171.72.37 | 1370179621 | 0 |
| 81.171.72.38 | 1370179622 | 0 |
| 81.171.72.39 | 1370179623 | 0 |
| 81.171.72.40 | 1370179624 | 0 |
| 81.171.72.41 | 1370179625 | 0 |
| 81.171.72.42 | 1370179626 | 0 |
| 81.171.72.43 | 1370179627 | 0 |
| 81.171.72.44 | 1370179628 | 0 |
| 81.171.72.45 | 1370179629 | 0 |
| 81.171.72.46 | 1370179630 | 0 |
| 81.171.72.47 | 1370179631 | 0 |
| 81.171.72.48 | 1370179632 | 0 |
| 81.171.72.49 | 1370179633 | 0 |
| 81.171.72.50 | 1370179634 | 0 |
| 81.171.72.51 | 1370179635 | 0 |
| 81.171.72.52 | 1370179636 | 0 |
| 81.171.72.53 | 1370179637 | 0 |
| 81.171.72.54 | 1370179638 | 0 |
| 81.171.72.55 | 1370179639 | 0 |
| 81.171.72.56 | 1370179640 | 0 |
| 81.171.72.57 | 1370179641 | 0 |
| 81.171.72.58 | 1370179642 | 0 |
| 81.171.72.59 | 1370179643 | 0 |
| 81.171.72.60 | 1370179644 | 0 |
| 81.171.72.61 | 1370179645 | 0 |
| 81.171.72.62 | 1370179646 | 0 |
| 81.171.72.63 | 1370179647 | 0 |
| 81.171.72.64 | 1370179648 | 0 |
| 81.171.72.65 | 1370179649 | 0 |
| 81.171.72.66 | 1370179650 | 0 |
| 81.171.72.67 | 1370179651 | 0 |
| 81.171.72.68 | 1370179652 | 0 |
| 81.171.72.69 | 1370179653 | 0 |
| 81.171.72.70 | 1370179654 | 0 |
| 81.171.72.71 | 1370179655 | 0 |
| 81.171.72.72 | 1370179656 | 0 |
| 81.171.72.73 | 1370179657 | 0 |
| 81.171.72.74 | 1370179658 | 0 |
| 81.171.72.75 | 1370179659 | 0 |
| 81.171.72.76 | 1370179660 | 0 |
| 81.171.72.77 | 1370179661 | 0 |
| 81.171.72.78 | 1370179662 | 0 |
| 81.171.72.79 | 1370179663 | 0 |
| 81.171.72.80 | 1370179664 | 0 |
| 81.171.72.81 | 1370179665 | 0 |
| 81.171.72.82 | 1370179666 | 0 |
| 81.171.72.83 | 1370179667 | 0 |
| 81.171.72.84 | 1370179668 | 0 |
| 81.171.72.85 | 1370179669 | 0 |