Die IP-Adresse 81.137.64 erfolgt über BTnet UK Regional network, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 81.128.0.0/11 (Bereich 81.128.0.0, 81.159.255.255). Die autonomen Systemnummer (ASN) ist 2856.
| ASN | 2856 |
| Ausgehend von IP | 81.128.0.0 |
| Beendigung durch IP | 81.159.255.255 |
| ASN-Namen | BTnet UK Regional network |
| GGDV | 81.128.0.0/11 |
| Numerische IP | |
| Registrierung | ripencc |
| Letztes update | 04.07.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | GB | Großbritannien und Nordirland | - | Newport | 51,5877 | -2,9984 | 2017-07-04 |
| MaxMind | GB | Großbritannien und Nordirland | - | Hammersmith | 51,5 | -0,2333 | 2017-07-04 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.137.64.0 | 1367949312 | 0 |
| 81.137.64.1 | 1367949313 | 0 |
| 81.137.64.2 | 1367949314 | 0 |
| 81.137.64.3 | 1367949315 | 0 |
| 81.137.64.4 | 1367949316 | 0 |
| 81.137.64.5 | 1367949317 | 0 |
| 81.137.64.6 | 1367949318 | 0 |
| 81.137.64.7 | 1367949319 | 0 |
| 81.137.64.8 | 1367949320 | 0 |
| 81.137.64.9 | 1367949321 | 0 |
| 81.137.64.10 | 1367949322 | 0 |
| 81.137.64.11 | 1367949323 | 0 |
| 81.137.64.12 | 1367949324 | 0 |
| 81.137.64.13 | 1367949325 | 0 |
| 81.137.64.14 | 1367949326 | 0 |
| 81.137.64.15 | 1367949327 | 0 |
| 81.137.64.16 | 1367949328 | 0 |
| 81.137.64.17 | 1367949329 | 0 |
| 81.137.64.18 | 1367949330 | 0 |
| 81.137.64.19 | 1367949331 | 0 |
| 81.137.64.20 | 1367949332 | 0 |
| 81.137.64.21 | 1367949333 | 0 |
| 81.137.64.22 | 1367949334 | 0 |
| 81.137.64.23 | 1367949335 | 0 |
| 81.137.64.24 | 1367949336 | 0 |
| 81.137.64.25 | 1367949337 | 0 |
| 81.137.64.26 | 1367949338 | 0 |
| 81.137.64.27 | 1367949339 | 0 |
| 81.137.64.28 | 1367949340 | 0 |
| 81.137.64.29 | 1367949341 | 0 |
| 81.137.64.30 | 1367949342 | 0 |
| 81.137.64.31 | 1367949343 | 0 |
| 81.137.64.32 | 1367949344 | 0 |
| 81.137.64.33 | 1367949345 | 0 |
| 81.137.64.34 | 1367949346 | 0 |
| 81.137.64.35 | 1367949347 | 0 |
| 81.137.64.36 | 1367949348 | 0 |
| 81.137.64.37 | 1367949349 | 0 |
| 81.137.64.38 | 1367949350 | 0 |
| 81.137.64.39 | 1367949351 | 0 |
| 81.137.64.40 | 1367949352 | 0 |
| 81.137.64.41 | 1367949353 | 0 |
| 81.137.64.42 | 1367949354 | 0 |
| 81.137.64.43 | 1367949355 | 0 |
| 81.137.64.44 | 1367949356 | 0 |
| 81.137.64.45 | 1367949357 | 0 |
| 81.137.64.46 | 1367949358 | 0 |
| 81.137.64.47 | 1367949359 | 0 |
| 81.137.64.48 | 1367949360 | 0 |
| 81.137.64.49 | 1367949361 | 0 |
| 81.137.64.50 | 1367949362 | 0 |
| 81.137.64.51 | 1367949363 | 0 |
| 81.137.64.52 | 1367949364 | 0 |
| 81.137.64.53 | 1367949365 | 0 |
| 81.137.64.54 | 1367949366 | 0 |
| 81.137.64.55 | 1367949367 | 0 |
| 81.137.64.56 | 1367949368 | 0 |
| 81.137.64.57 | 1367949369 | 0 |
| 81.137.64.58 | 1367949370 | 0 |
| 81.137.64.59 | 1367949371 | 0 |
| 81.137.64.60 | 1367949372 | 0 |
| 81.137.64.61 | 1367949373 | 0 |
| 81.137.64.62 | 1367949374 | 0 |
| 81.137.64.63 | 1367949375 | 0 |
| 81.137.64.64 | 1367949376 | 0 |
| 81.137.64.65 | 1367949377 | 0 |
| 81.137.64.66 | 1367949378 | 0 |
| 81.137.64.67 | 1367949379 | 0 |
| 81.137.64.68 | 1367949380 | 0 |
| 81.137.64.69 | 1367949381 | 0 |
| 81.137.64.70 | 1367949382 | 0 |
| 81.137.64.71 | 1367949383 | 0 |
| 81.137.64.72 | 1367949384 | 0 |
| 81.137.64.73 | 1367949385 | 0 |
| 81.137.64.74 | 1367949386 | 0 |
| 81.137.64.75 | 1367949387 | 0 |
| 81.137.64.76 | 1367949388 | 0 |
| 81.137.64.77 | 1367949389 | 0 |
| 81.137.64.78 | 1367949390 | 0 |
| 81.137.64.79 | 1367949391 | 0 |
| 81.137.64.80 | 1367949392 | 0 |
| 81.137.64.81 | 1367949393 | 0 |
| 81.137.64.82 | 1367949394 | 0 |
| 81.137.64.83 | 1367949395 | 0 |
| 81.137.64.84 | 1367949396 | 0 |
| 81.137.64.85 | 1367949397 | 0 |