Les adresses IP débutant par 81.155.51 sont fournies par UK Internet Service Provider, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.140.128.0/19, le bloc IP comprant les adresses de 81.140.128.0 à 81.140.159.255). Le numéro de système autonome (ASN) est 6871.
| ASN | 6871 |
| IP commençant par | 81.140.128.0 |
| IP se terminant par | 81.140.159.255 |
| Nom ASN | UK Internet Service Provider |
| CDIR | 81.140.128.0/19 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 04/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Abergwynfi | 51,6536 | -3,6026 | 2017-07-04 |
| MaxMind | GB | Royaume-Uni | - | Plymouth | 50,3781 | -4,1753 | 2017-07-04 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.155.51.0 | 1369125632 | 0 |
| 81.155.51.1 | 1369125633 | 0 |
| 81.155.51.2 | 1369125634 | 0 |
| 81.155.51.3 | 1369125635 | 0 |
| 81.155.51.4 | 1369125636 | 0 |
| 81.155.51.5 | 1369125637 | 0 |
| 81.155.51.6 | 1369125638 | 0 |
| 81.155.51.7 | 1369125639 | 0 |
| 81.155.51.8 | 1369125640 | 0 |
| 81.155.51.9 | 1369125641 | 0 |
| 81.155.51.10 | 1369125642 | 0 |
| 81.155.51.11 | 1369125643 | 0 |
| 81.155.51.12 | 1369125644 | 0 |
| 81.155.51.13 | 1369125645 | 0 |
| 81.155.51.14 | 1369125646 | 0 |
| 81.155.51.15 | 1369125647 | 0 |
| 81.155.51.16 | 1369125648 | 0 |
| 81.155.51.17 | 1369125649 | 0 |
| 81.155.51.18 | 1369125650 | 0 |
| 81.155.51.19 | 1369125651 | 0 |
| 81.155.51.20 | 1369125652 | 0 |
| 81.155.51.21 | 1369125653 | 0 |
| 81.155.51.22 | 1369125654 | 0 |
| 81.155.51.23 | 1369125655 | 0 |
| 81.155.51.24 | 1369125656 | 0 |
| 81.155.51.25 | 1369125657 | 0 |
| 81.155.51.26 | 1369125658 | 0 |
| 81.155.51.27 | 1369125659 | 0 |
| 81.155.51.28 | 1369125660 | 0 |
| 81.155.51.29 | 1369125661 | 0 |
| 81.155.51.30 | 1369125662 | 0 |
| 81.155.51.31 | 1369125663 | 0 |
| 81.155.51.32 | 1369125664 | 0 |
| 81.155.51.33 | 1369125665 | 0 |
| 81.155.51.34 | 1369125666 | 0 |
| 81.155.51.35 | 1369125667 | 0 |
| 81.155.51.36 | 1369125668 | 0 |
| 81.155.51.37 | 1369125669 | 0 |
| 81.155.51.38 | 1369125670 | 0 |
| 81.155.51.39 | 1369125671 | 0 |
| 81.155.51.40 | 1369125672 | 0 |
| 81.155.51.41 | 1369125673 | 0 |
| 81.155.51.42 | 1369125674 | 0 |
| 81.155.51.43 | 1369125675 | 0 |
| 81.155.51.44 | 1369125676 | 0 |
| 81.155.51.45 | 1369125677 | 0 |
| 81.155.51.46 | 1369125678 | 0 |
| 81.155.51.47 | 1369125679 | 0 |
| 81.155.51.48 | 1369125680 | 0 |
| 81.155.51.49 | 1369125681 | 0 |
| 81.155.51.50 | 1369125682 | 0 |
| 81.155.51.51 | 1369125683 | 0 |
| 81.155.51.52 | 1369125684 | 0 |
| 81.155.51.53 | 1369125685 | 0 |
| 81.155.51.54 | 1369125686 | 0 |
| 81.155.51.55 | 1369125687 | 0 |
| 81.155.51.56 | 1369125688 | 0 |
| 81.155.51.57 | 1369125689 | 0 |
| 81.155.51.58 | 1369125690 | 0 |
| 81.155.51.59 | 1369125691 | 0 |
| 81.155.51.60 | 1369125692 | 0 |
| 81.155.51.61 | 1369125693 | 0 |
| 81.155.51.62 | 1369125694 | 0 |
| 81.155.51.63 | 1369125695 | 0 |
| 81.155.51.64 | 1369125696 | 0 |
| 81.155.51.65 | 1369125697 | 0 |
| 81.155.51.66 | 1369125698 | 0 |
| 81.155.51.67 | 1369125699 | 0 |
| 81.155.51.68 | 1369125700 | 0 |
| 81.155.51.69 | 1369125701 | 0 |
| 81.155.51.70 | 1369125702 | 0 |
| 81.155.51.71 | 1369125703 | 0 |
| 81.155.51.72 | 1369125704 | 0 |
| 81.155.51.73 | 1369125705 | 0 |
| 81.155.51.74 | 1369125706 | 0 |
| 81.155.51.75 | 1369125707 | 0 |
| 81.155.51.76 | 1369125708 | 0 |
| 81.155.51.77 | 1369125709 | 0 |
| 81.155.51.78 | 1369125710 | 0 |
| 81.155.51.79 | 1369125711 | 0 |
| 81.155.51.80 | 1369125712 | 0 |
| 81.155.51.81 | 1369125713 | 0 |
| 81.155.51.82 | 1369125714 | 0 |
| 81.155.51.83 | 1369125715 | 0 |
| 81.155.51.84 | 1369125716 | 0 |
| 81.155.51.85 | 1369125717 | 0 |