Les adresses IP débutant par 81.136.74 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 | 04/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | United Kingdom | - | Dungannon | 54,5034 | -6,7672 | 2017-08-04 |
| MaxMind | GB | Royaume-Uni | - | Newry | 54,1082 | -5,8997 | 2017-08-04 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.136.74.0 | 1367886336 | 0 |
| 81.136.74.1 | 1367886337 | 0 |
| 81.136.74.2 | 1367886338 | 0 |
| 81.136.74.3 | 1367886339 | 0 |
| 81.136.74.4 | 1367886340 | 0 |
| 81.136.74.5 | 1367886341 | 0 |
| 81.136.74.6 | 1367886342 | 0 |
| 81.136.74.7 | 1367886343 | 0 |
| 81.136.74.8 | 1367886344 | 0 |
| 81.136.74.9 | 1367886345 | 0 |
| 81.136.74.10 | 1367886346 | 0 |
| 81.136.74.11 | 1367886347 | 0 |
| 81.136.74.12 | 1367886348 | 0 |
| 81.136.74.13 | 1367886349 | 0 |
| 81.136.74.14 | 1367886350 | 0 |
| 81.136.74.15 | 1367886351 | 0 |
| 81.136.74.16 | 1367886352 | 0 |
| 81.136.74.17 | 1367886353 | 0 |
| 81.136.74.18 | 1367886354 | 0 |
| 81.136.74.19 | 1367886355 | 0 |
| 81.136.74.20 | 1367886356 | 0 |
| 81.136.74.21 | 1367886357 | 0 |
| 81.136.74.22 | 1367886358 | 0 |
| 81.136.74.23 | 1367886359 | 0 |
| 81.136.74.24 | 1367886360 | 0 |
| 81.136.74.25 | 1367886361 | 0 |
| 81.136.74.26 | 1367886362 | 0 |
| 81.136.74.27 | 1367886363 | 0 |
| 81.136.74.28 | 1367886364 | 0 |
| 81.136.74.29 | 1367886365 | 0 |
| 81.136.74.30 | 1367886366 | 0 |
| 81.136.74.31 | 1367886367 | 0 |
| 81.136.74.32 | 1367886368 | 0 |
| 81.136.74.33 | 1367886369 | 0 |
| 81.136.74.34 | 1367886370 | 0 |
| 81.136.74.35 | 1367886371 | 0 |
| 81.136.74.36 | 1367886372 | 0 |
| 81.136.74.37 | 1367886373 | 0 |
| 81.136.74.38 | 1367886374 | 0 |
| 81.136.74.39 | 1367886375 | 0 |
| 81.136.74.40 | 1367886376 | 0 |
| 81.136.74.41 | 1367886377 | 0 |
| 81.136.74.42 | 1367886378 | 0 |
| 81.136.74.43 | 1367886379 | 0 |
| 81.136.74.44 | 1367886380 | 0 |
| 81.136.74.45 | 1367886381 | 0 |
| 81.136.74.46 | 1367886382 | 0 |
| 81.136.74.47 | 1367886383 | 0 |
| 81.136.74.48 | 1367886384 | 0 |
| 81.136.74.49 | 1367886385 | 0 |
| 81.136.74.50 | 1367886386 | 0 |
| 81.136.74.51 | 1367886387 | 0 |
| 81.136.74.52 | 1367886388 | 0 |
| 81.136.74.53 | 1367886389 | 0 |
| 81.136.74.54 | 1367886390 | 0 |
| 81.136.74.55 | 1367886391 | 0 |
| 81.136.74.56 | 1367886392 | 0 |
| 81.136.74.57 | 1367886393 | 0 |
| 81.136.74.58 | 1367886394 | 0 |
| 81.136.74.59 | 1367886395 | 0 |
| 81.136.74.60 | 1367886396 | 0 |
| 81.136.74.61 | 1367886397 | 0 |
| 81.136.74.62 | 1367886398 | 0 |
| 81.136.74.63 | 1367886399 | 0 |
| 81.136.74.64 | 1367886400 | 0 |
| 81.136.74.65 | 1367886401 | 0 |
| 81.136.74.66 | 1367886402 | 0 |
| 81.136.74.67 | 1367886403 | 0 |
| 81.136.74.68 | 1367886404 | 0 |
| 81.136.74.69 | 1367886405 | 0 |
| 81.136.74.70 | 1367886406 | 0 |
| 81.136.74.71 | 1367886407 | 0 |
| 81.136.74.72 | 1367886408 | 0 |
| 81.136.74.73 | 1367886409 | 0 |
| 81.136.74.74 | 1367886410 | 0 |
| 81.136.74.75 | 1367886411 | 0 |
| 81.136.74.76 | 1367886412 | 0 |
| 81.136.74.77 | 1367886413 | 0 |
| 81.136.74.78 | 1367886414 | 0 |
| 81.136.74.79 | 1367886415 | 0 |
| 81.136.74.80 | 1367886416 | 0 |
| 81.136.74.81 | 1367886417 | 0 |
| 81.136.74.82 | 1367886418 | 0 |
| 81.136.74.83 | 1367886419 | 0 |
| 81.136.74.84 | 1367886420 | 0 |
| 81.136.74.85 | 1367886421 | 0 |