Les adresses IP débutant par 81.157.50 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 | - | London | 51,5085 | -0,1257 | 2017-08-02 |
| MaxMind | GB | Royaume-Uni | - | London | 51,5092 | -0,0955 | 2017-08-02 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.157.50.0 | 1369256448 | 0 |
| 81.157.50.1 | 1369256449 | 0 |
| 81.157.50.2 | 1369256450 | 0 |
| 81.157.50.3 | 1369256451 | 0 |
| 81.157.50.4 | 1369256452 | 0 |
| 81.157.50.5 | 1369256453 | 0 |
| 81.157.50.6 | 1369256454 | 0 |
| 81.157.50.7 | 1369256455 | 0 |
| 81.157.50.8 | 1369256456 | 0 |
| 81.157.50.9 | 1369256457 | 0 |
| 81.157.50.10 | 1369256458 | 0 |
| 81.157.50.11 | 1369256459 | 0 |
| 81.157.50.12 | 1369256460 | 0 |
| 81.157.50.13 | 1369256461 | 0 |
| 81.157.50.14 | 1369256462 | 0 |
| 81.157.50.15 | 1369256463 | 0 |
| 81.157.50.16 | 1369256464 | 0 |
| 81.157.50.17 | 1369256465 | 0 |
| 81.157.50.18 | 1369256466 | 0 |
| 81.157.50.19 | 1369256467 | 0 |
| 81.157.50.20 | 1369256468 | 0 |
| 81.157.50.21 | 1369256469 | 0 |
| 81.157.50.22 | 1369256470 | 0 |
| 81.157.50.23 | 1369256471 | 0 |
| 81.157.50.24 | 1369256472 | 0 |
| 81.157.50.25 | 1369256473 | 0 |
| 81.157.50.26 | 1369256474 | 0 |
| 81.157.50.27 | 1369256475 | 0 |
| 81.157.50.28 | 1369256476 | 0 |
| 81.157.50.29 | 1369256477 | 0 |
| 81.157.50.30 | 1369256478 | 0 |
| 81.157.50.31 | 1369256479 | 0 |
| 81.157.50.32 | 1369256480 | 0 |
| 81.157.50.33 | 1369256481 | 0 |
| 81.157.50.34 | 1369256482 | 0 |
| 81.157.50.35 | 1369256483 | 0 |
| 81.157.50.36 | 1369256484 | 0 |
| 81.157.50.37 | 1369256485 | 0 |
| 81.157.50.38 | 1369256486 | 0 |
| 81.157.50.39 | 1369256487 | 0 |
| 81.157.50.40 | 1369256488 | 0 |
| 81.157.50.41 | 1369256489 | 0 |
| 81.157.50.42 | 1369256490 | 0 |
| 81.157.50.43 | 1369256491 | 0 |
| 81.157.50.44 | 1369256492 | 0 |
| 81.157.50.45 | 1369256493 | 0 |
| 81.157.50.46 | 1369256494 | 0 |
| 81.157.50.47 | 1369256495 | 0 |
| 81.157.50.48 | 1369256496 | 0 |
| 81.157.50.49 | 1369256497 | 0 |
| 81.157.50.50 | 1369256498 | 0 |
| 81.157.50.51 | 1369256499 | 0 |
| 81.157.50.52 | 1369256500 | 0 |
| 81.157.50.53 | 1369256501 | 0 |
| 81.157.50.54 | 1369256502 | 0 |
| 81.157.50.55 | 1369256503 | 0 |
| 81.157.50.56 | 1369256504 | 0 |
| 81.157.50.57 | 1369256505 | 0 |
| 81.157.50.58 | 1369256506 | 0 |
| 81.157.50.59 | 1369256507 | 0 |
| 81.157.50.60 | 1369256508 | 0 |
| 81.157.50.61 | 1369256509 | 0 |
| 81.157.50.62 | 1369256510 | 0 |
| 81.157.50.63 | 1369256511 | 0 |
| 81.157.50.64 | 1369256512 | 0 |
| 81.157.50.65 | 1369256513 | 0 |
| 81.157.50.66 | 1369256514 | 0 |
| 81.157.50.67 | 1369256515 | 0 |
| 81.157.50.68 | 1369256516 | 0 |
| 81.157.50.69 | 1369256517 | 0 |
| 81.157.50.70 | 1369256518 | 0 |
| 81.157.50.71 | 1369256519 | 0 |
| 81.157.50.72 | 1369256520 | 0 |
| 81.157.50.73 | 1369256521 | 0 |
| 81.157.50.74 | 1369256522 | 0 |
| 81.157.50.75 | 1369256523 | 0 |
| 81.157.50.76 | 1369256524 | 0 |
| 81.157.50.77 | 1369256525 | 0 |
| 81.157.50.78 | 1369256526 | 0 |
| 81.157.50.79 | 1369256527 | 0 |
| 81.157.50.80 | 1369256528 | 0 |
| 81.157.50.81 | 1369256529 | 0 |
| 81.157.50.82 | 1369256530 | 0 |
| 81.157.50.83 | 1369256531 | 0 |
| 81.157.50.84 | 1369256532 | 0 |
| 81.157.50.85 | 1369256533 | 0 |