Les adresses IP débutant par 81.159.50 sont fournies par BTnet UK Regional network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.128.0.0/11, le bloc IP comprant les adresses de 81.128.0.0 à 81.159.255.255). Le numéro de système autonome (ASN) est 2856.
| ASN | 2856 |
| IP commençant par | 81.128.0.0 |
| IP se terminant par | 81.159.255.255 |
| Nom ASN | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 16/02/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Hamble | 50,8597 | -1,3243 | 2019-02-15 |
| MaxMind | GB | Royaume-Uni | - | Southampton | 50,8698 | -1,3109 | 2019-02-15 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.159.50.0 | 1369387520 | 0 |
| 81.159.50.1 | 1369387521 | 0 |
| 81.159.50.2 | 1369387522 | 0 |
| 81.159.50.3 | 1369387523 | 0 |
| 81.159.50.4 | 1369387524 | 0 |
| 81.159.50.5 | 1369387525 | 0 |
| 81.159.50.6 | 1369387526 | 0 |
| 81.159.50.7 | 1369387527 | 0 |
| 81.159.50.8 | 1369387528 | 0 |
| 81.159.50.9 | 1369387529 | 0 |
| 81.159.50.10 | 1369387530 | 0 |
| 81.159.50.11 | 1369387531 | 0 |
| 81.159.50.12 | 1369387532 | 0 |
| 81.159.50.13 | 1369387533 | 0 |
| 81.159.50.14 | 1369387534 | 0 |
| 81.159.50.15 | 1369387535 | 0 |
| 81.159.50.16 | 1369387536 | 0 |
| 81.159.50.17 | 1369387537 | 0 |
| 81.159.50.18 | 1369387538 | 0 |
| 81.159.50.19 | 1369387539 | 0 |
| 81.159.50.20 | 1369387540 | 0 |
| 81.159.50.21 | 1369387541 | 0 |
| 81.159.50.22 | 1369387542 | 0 |
| 81.159.50.23 | 1369387543 | 0 |
| 81.159.50.24 | 1369387544 | 0 |
| 81.159.50.25 | 1369387545 | 0 |
| 81.159.50.26 | 1369387546 | 0 |
| 81.159.50.27 | 1369387547 | 0 |
| 81.159.50.28 | 1369387548 | 0 |
| 81.159.50.29 | 1369387549 | 0 |
| 81.159.50.30 | 1369387550 | 0 |
| 81.159.50.31 | 1369387551 | 0 |
| 81.159.50.32 | 1369387552 | 0 |
| 81.159.50.33 | 1369387553 | 0 |
| 81.159.50.34 | 1369387554 | 0 |
| 81.159.50.35 | 1369387555 | 0 |
| 81.159.50.36 | 1369387556 | 0 |
| 81.159.50.37 | 1369387557 | 0 |
| 81.159.50.38 | 1369387558 | 0 |
| 81.159.50.39 | 1369387559 | 0 |
| 81.159.50.40 | 1369387560 | 0 |
| 81.159.50.41 | 1369387561 | 0 |
| 81.159.50.42 | 1369387562 | 0 |
| 81.159.50.43 | 1369387563 | 0 |
| 81.159.50.44 | 1369387564 | 0 |
| 81.159.50.45 | 1369387565 | 0 |
| 81.159.50.46 | 1369387566 | 0 |
| 81.159.50.47 | 1369387567 | 0 |
| 81.159.50.48 | 1369387568 | 0 |
| 81.159.50.49 | 1369387569 | 0 |
| 81.159.50.50 | 1369387570 | 0 |
| 81.159.50.51 | 1369387571 | 0 |
| 81.159.50.52 | 1369387572 | 0 |
| 81.159.50.53 | 1369387573 | 0 |
| 81.159.50.54 | 1369387574 | 0 |
| 81.159.50.55 | 1369387575 | 0 |
| 81.159.50.56 | 1369387576 | 0 |
| 81.159.50.57 | 1369387577 | 0 |
| 81.159.50.58 | 1369387578 | 0 |
| 81.159.50.59 | 1369387579 | 0 |
| 81.159.50.60 | 1369387580 | 0 |
| 81.159.50.61 | 1369387581 | 0 |
| 81.159.50.62 | 1369387582 | 0 |
| 81.159.50.63 | 1369387583 | 0 |
| 81.159.50.64 | 1369387584 | 0 |
| 81.159.50.65 | 1369387585 | 0 |
| 81.159.50.66 | 1369387586 | 0 |
| 81.159.50.67 | 1369387587 | 0 |
| 81.159.50.68 | 1369387588 | 0 |
| 81.159.50.69 | 1369387589 | 0 |
| 81.159.50.70 | 1369387590 | 0 |
| 81.159.50.71 | 1369387591 | 0 |
| 81.159.50.72 | 1369387592 | 0 |
| 81.159.50.73 | 1369387593 | 0 |
| 81.159.50.74 | 1369387594 | 0 |
| 81.159.50.75 | 1369387595 | 0 |
| 81.159.50.76 | 1369387596 | 0 |
| 81.159.50.77 | 1369387597 | 0 |
| 81.159.50.78 | 1369387598 | 0 |
| 81.159.50.79 | 1369387599 | 0 |
| 81.159.50.80 | 1369387600 | 0 |
| 81.159.50.81 | 1369387601 | 0 |
| 81.159.50.82 | 1369387602 | 0 |
| 81.159.50.83 | 1369387603 | 0 |
| 81.159.50.84 | 1369387604 | 0 |
| 81.159.50.85 | 1369387605 | 0 |