L'indirizzo IP 81.99.172 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.96.0.0/12, IP tra 81.96.0.0 a 81.111.255.255 ). Il numero di sistema autonomo (ASN) è 5089.
| ASN | 5089 |
| IP inizia con | 81.96.0.0 |
| IP finale con | 81.111.255.255 |
| ASN Nome | |
| CDIR | 81.96.0.0/12 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 10/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Londonderry County Borough | 54,9972 | -7,3092 | 2017-07-09 |
| MaxMind | GB | United Kingdom | - | Londonderry | 55,0333 | -7,2667 | 2017-07-09 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.99.172.0 | 1365486592 | 0 |
| 81.99.172.1 | 1365486593 | 0 |
| 81.99.172.2 | 1365486594 | 0 |
| 81.99.172.3 | 1365486595 | 0 |
| 81.99.172.4 | 1365486596 | 0 |
| 81.99.172.5 | 1365486597 | 0 |
| 81.99.172.6 | 1365486598 | 0 |
| 81.99.172.7 | 1365486599 | 0 |
| 81.99.172.8 | 1365486600 | 0 |
| 81.99.172.9 | 1365486601 | 0 |
| 81.99.172.10 | 1365486602 | 0 |
| 81.99.172.11 | 1365486603 | 0 |
| 81.99.172.12 | 1365486604 | 0 |
| 81.99.172.13 | 1365486605 | 0 |
| 81.99.172.14 | 1365486606 | 0 |
| 81.99.172.15 | 1365486607 | 0 |
| 81.99.172.16 | 1365486608 | 0 |
| 81.99.172.17 | 1365486609 | 0 |
| 81.99.172.18 | 1365486610 | 0 |
| 81.99.172.19 | 1365486611 | 0 |
| 81.99.172.20 | 1365486612 | 0 |
| 81.99.172.21 | 1365486613 | 0 |
| 81.99.172.22 | 1365486614 | 0 |
| 81.99.172.23 | 1365486615 | 0 |
| 81.99.172.24 | 1365486616 | 0 |
| 81.99.172.25 | 1365486617 | 0 |
| 81.99.172.26 | 1365486618 | 0 |
| 81.99.172.27 | 1365486619 | 0 |
| 81.99.172.28 | 1365486620 | 0 |
| 81.99.172.29 | 1365486621 | 0 |
| 81.99.172.30 | 1365486622 | 0 |
| 81.99.172.31 | 1365486623 | 0 |
| 81.99.172.32 | 1365486624 | 0 |
| 81.99.172.33 | 1365486625 | 0 |
| 81.99.172.34 | 1365486626 | 0 |
| 81.99.172.35 | 1365486627 | 0 |
| 81.99.172.36 | 1365486628 | 0 |
| 81.99.172.37 | 1365486629 | 0 |
| 81.99.172.38 | 1365486630 | 0 |
| 81.99.172.39 | 1365486631 | 0 |
| 81.99.172.40 | 1365486632 | 0 |
| 81.99.172.41 | 1365486633 | 0 |
| 81.99.172.42 | 1365486634 | 0 |
| 81.99.172.43 | 1365486635 | 0 |
| 81.99.172.44 | 1365486636 | 0 |
| 81.99.172.45 | 1365486637 | 0 |
| 81.99.172.46 | 1365486638 | 0 |
| 81.99.172.47 | 1365486639 | 0 |
| 81.99.172.48 | 1365486640 | 0 |
| 81.99.172.49 | 1365486641 | 0 |
| 81.99.172.50 | 1365486642 | 0 |
| 81.99.172.51 | 1365486643 | 0 |
| 81.99.172.52 | 1365486644 | 0 |
| 81.99.172.53 | 1365486645 | 0 |
| 81.99.172.54 | 1365486646 | 0 |
| 81.99.172.55 | 1365486647 | 0 |
| 81.99.172.56 | 1365486648 | 0 |
| 81.99.172.57 | 1365486649 | 0 |
| 81.99.172.58 | 1365486650 | 0 |
| 81.99.172.59 | 1365486651 | 0 |
| 81.99.172.60 | 1365486652 | 0 |
| 81.99.172.61 | 1365486653 | 0 |
| 81.99.172.62 | 1365486654 | 0 |
| 81.99.172.63 | 1365486655 | 0 |
| 81.99.172.64 | 1365486656 | 0 |
| 81.99.172.65 | 1365486657 | 0 |
| 81.99.172.66 | 1365486658 | 0 |
| 81.99.172.67 | 1365486659 | 0 |
| 81.99.172.68 | 1365486660 | 0 |
| 81.99.172.69 | 1365486661 | 0 |
| 81.99.172.70 | 1365486662 | 0 |
| 81.99.172.71 | 1365486663 | 0 |
| 81.99.172.72 | 1365486664 | 0 |
| 81.99.172.73 | 1365486665 | 0 |
| 81.99.172.74 | 1365486666 | 0 |
| 81.99.172.75 | 1365486667 | 0 |
| 81.99.172.76 | 1365486668 | 0 |
| 81.99.172.77 | 1365486669 | 0 |
| 81.99.172.78 | 1365486670 | 0 |
| 81.99.172.79 | 1365486671 | 0 |
| 81.99.172.80 | 1365486672 | 0 |
| 81.99.172.81 | 1365486673 | 0 |
| 81.99.172.82 | 1365486674 | 0 |
| 81.99.172.83 | 1365486675 | 0 |
| 81.99.172.84 | 1365486676 | 0 |
| 81.99.172.85 | 1365486677 | 0 |