La dirección IP 81.133.53 es proporcionada por BTnet UK Regional network, que es propiedad de la CIDR (Classless Inter-Domain Routing) 81.128.0.0/11, IP entre 81.128.0.0 a 81.159.255.255 ). El número de sistema autónomo (ASN) es 2856.
| ASN | 2856 |
| IP que comienzan con | 81.128.0.0 |
| IP que termina con | 81.159.255.255 |
| ASN Nombre | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| IP numérica | |
| Registe | ripencc |
| Última actualización | 05/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | GB | Reino Unido | - | Bridge of Allan | 56,154 | -3,9463 | 2017-08-05 |
| MaxMind | GB | Reino Unido | - | Guildford | 51,2055 | -0,5255 | 2017-08-05 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.133.53.0 | 1367684352 | 0 |
| 81.133.53.1 | 1367684353 | 0 |
| 81.133.53.2 | 1367684354 | 0 |
| 81.133.53.3 | 1367684355 | 0 |
| 81.133.53.4 | 1367684356 | 0 |
| 81.133.53.5 | 1367684357 | 0 |
| 81.133.53.6 | 1367684358 | 0 |
| 81.133.53.7 | 1367684359 | 0 |
| 81.133.53.8 | 1367684360 | 0 |
| 81.133.53.9 | 1367684361 | 0 |
| 81.133.53.10 | 1367684362 | 0 |
| 81.133.53.11 | 1367684363 | 0 |
| 81.133.53.12 | 1367684364 | 0 |
| 81.133.53.13 | 1367684365 | 0 |
| 81.133.53.14 | 1367684366 | 0 |
| 81.133.53.15 | 1367684367 | 0 |
| 81.133.53.16 | 1367684368 | 0 |
| 81.133.53.17 | 1367684369 | 0 |
| 81.133.53.18 | 1367684370 | 0 |
| 81.133.53.19 | 1367684371 | 0 |
| 81.133.53.20 | 1367684372 | 0 |
| 81.133.53.21 | 1367684373 | 0 |
| 81.133.53.22 | 1367684374 | 0 |
| 81.133.53.23 | 1367684375 | 0 |
| 81.133.53.24 | 1367684376 | 0 |
| 81.133.53.25 | 1367684377 | 0 |
| 81.133.53.26 | 1367684378 | 0 |
| 81.133.53.27 | 1367684379 | 0 |
| 81.133.53.28 | 1367684380 | 0 |
| 81.133.53.29 | 1367684381 | 0 |
| 81.133.53.30 | 1367684382 | 0 |
| 81.133.53.31 | 1367684383 | 0 |
| 81.133.53.32 | 1367684384 | 0 |
| 81.133.53.33 | 1367684385 | 0 |
| 81.133.53.34 | 1367684386 | 0 |
| 81.133.53.35 | 1367684387 | 0 |
| 81.133.53.36 | 1367684388 | 0 |
| 81.133.53.37 | 1367684389 | 0 |
| 81.133.53.38 | 1367684390 | 0 |
| 81.133.53.39 | 1367684391 | 0 |
| 81.133.53.40 | 1367684392 | 0 |
| 81.133.53.41 | 1367684393 | 0 |
| 81.133.53.42 | 1367684394 | 0 |
| 81.133.53.43 | 1367684395 | 0 |
| 81.133.53.44 | 1367684396 | 0 |
| 81.133.53.45 | 1367684397 | 0 |
| 81.133.53.46 | 1367684398 | 0 |
| 81.133.53.47 | 1367684399 | 0 |
| 81.133.53.48 | 1367684400 | 0 |
| 81.133.53.49 | 1367684401 | 0 |
| 81.133.53.50 | 1367684402 | 0 |
| 81.133.53.51 | 1367684403 | 0 |
| 81.133.53.52 | 1367684404 | 0 |
| 81.133.53.53 | 1367684405 | 0 |
| 81.133.53.54 | 1367684406 | 0 |
| 81.133.53.55 | 1367684407 | 0 |
| 81.133.53.56 | 1367684408 | 0 |
| 81.133.53.57 | 1367684409 | 0 |
| 81.133.53.58 | 1367684410 | 0 |
| 81.133.53.59 | 1367684411 | 0 |
| 81.133.53.60 | 1367684412 | 0 |
| 81.133.53.61 | 1367684413 | 0 |
| 81.133.53.62 | 1367684414 | 0 |
| 81.133.53.63 | 1367684415 | 0 |
| 81.133.53.64 | 1367684416 | 0 |
| 81.133.53.65 | 1367684417 | 0 |
| 81.133.53.66 | 1367684418 | 0 |
| 81.133.53.67 | 1367684419 | 0 |
| 81.133.53.68 | 1367684420 | 0 |
| 81.133.53.69 | 1367684421 | 0 |
| 81.133.53.70 | 1367684422 | 0 |
| 81.133.53.71 | 1367684423 | 0 |
| 81.133.53.72 | 1367684424 | 0 |
| 81.133.53.73 | 1367684425 | 0 |
| 81.133.53.74 | 1367684426 | 0 |
| 81.133.53.75 | 1367684427 | 0 |
| 81.133.53.76 | 1367684428 | 0 |
| 81.133.53.77 | 1367684429 | 0 |
| 81.133.53.78 | 1367684430 | 0 |
| 81.133.53.79 | 1367684431 | 0 |
| 81.133.53.80 | 1367684432 | 0 |
| 81.133.53.81 | 1367684433 | 0 |
| 81.133.53.82 | 1367684434 | 0 |
| 81.133.53.83 | 1367684435 | 0 |
| 81.133.53.84 | 1367684436 | 0 |
| 81.133.53.85 | 1367684437 | 0 |