Les adresses IP débutant par 81.155.53 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 | 08/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Appleton Thorn | 53,3505 | -2,5449 | 2017-07-03 |
| MaxMind | GB | Royaume-Uni | - | Warrington | 53,4295 | -2,6585 | 2017-07-03 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.155.53.0 | 1369126144 | 0 |
| 81.155.53.1 | 1369126145 | 0 |
| 81.155.53.2 | 1369126146 | 0 |
| 81.155.53.3 | 1369126147 | 0 |
| 81.155.53.4 | 1369126148 | 0 |
| 81.155.53.5 | 1369126149 | 0 |
| 81.155.53.6 | 1369126150 | 0 |
| 81.155.53.7 | 1369126151 | 0 |
| 81.155.53.8 | 1369126152 | 0 |
| 81.155.53.9 | 1369126153 | 0 |
| 81.155.53.10 | 1369126154 | 0 |
| 81.155.53.11 | 1369126155 | 0 |
| 81.155.53.12 | 1369126156 | 0 |
| 81.155.53.13 | 1369126157 | 0 |
| 81.155.53.14 | 1369126158 | 0 |
| 81.155.53.15 | 1369126159 | 0 |
| 81.155.53.16 | 1369126160 | 0 |
| 81.155.53.17 | 1369126161 | 0 |
| 81.155.53.18 | 1369126162 | 0 |
| 81.155.53.19 | 1369126163 | 0 |
| 81.155.53.20 | 1369126164 | 0 |
| 81.155.53.21 | 1369126165 | 0 |
| 81.155.53.22 | 1369126166 | 0 |
| 81.155.53.23 | 1369126167 | 0 |
| 81.155.53.24 | 1369126168 | 0 |
| 81.155.53.25 | 1369126169 | 0 |
| 81.155.53.26 | 1369126170 | 0 |
| 81.155.53.27 | 1369126171 | 0 |
| 81.155.53.28 | 1369126172 | 0 |
| 81.155.53.29 | 1369126173 | 0 |
| 81.155.53.30 | 1369126174 | 0 |
| 81.155.53.31 | 1369126175 | 0 |
| 81.155.53.32 | 1369126176 | 0 |
| 81.155.53.33 | 1369126177 | 0 |
| 81.155.53.34 | 1369126178 | 0 |
| 81.155.53.35 | 1369126179 | 0 |
| 81.155.53.36 | 1369126180 | 0 |
| 81.155.53.37 | 1369126181 | 0 |
| 81.155.53.38 | 1369126182 | 0 |
| 81.155.53.39 | 1369126183 | 0 |
| 81.155.53.40 | 1369126184 | 0 |
| 81.155.53.41 | 1369126185 | 0 |
| 81.155.53.42 | 1369126186 | 0 |
| 81.155.53.43 | 1369126187 | 0 |
| 81.155.53.44 | 1369126188 | 0 |
| 81.155.53.45 | 1369126189 | 0 |
| 81.155.53.46 | 1369126190 | 0 |
| 81.155.53.47 | 1369126191 | 0 |
| 81.155.53.48 | 1369126192 | 0 |
| 81.155.53.49 | 1369126193 | 0 |
| 81.155.53.50 | 1369126194 | 0 |
| 81.155.53.51 | 1369126195 | 0 |
| 81.155.53.52 | 1369126196 | 0 |
| 81.155.53.53 | 1369126197 | 0 |
| 81.155.53.54 | 1369126198 | 0 |
| 81.155.53.55 | 1369126199 | 0 |
| 81.155.53.56 | 1369126200 | 0 |
| 81.155.53.57 | 1369126201 | 0 |
| 81.155.53.58 | 1369126202 | 0 |
| 81.155.53.59 | 1369126203 | 0 |
| 81.155.53.60 | 1369126204 | 0 |
| 81.155.53.61 | 1369126205 | 0 |
| 81.155.53.62 | 1369126206 | 0 |
| 81.155.53.63 | 1369126207 | 0 |
| 81.155.53.64 | 1369126208 | 0 |
| 81.155.53.65 | 1369126209 | 0 |
| 81.155.53.66 | 1369126210 | 0 |
| 81.155.53.67 | 1369126211 | 0 |
| 81.155.53.68 | 1369126212 | 0 |
| 81.155.53.69 | 1369126213 | 0 |
| 81.155.53.70 | 1369126214 | 0 |
| 81.155.53.71 | 1369126215 | 0 |
| 81.155.53.72 | 1369126216 | 0 |
| 81.155.53.73 | 1369126217 | 0 |
| 81.155.53.74 | 1369126218 | 0 |
| 81.155.53.75 | 1369126219 | 0 |
| 81.155.53.76 | 1369126220 | 0 |
| 81.155.53.77 | 1369126221 | 0 |
| 81.155.53.78 | 1369126222 | 0 |
| 81.155.53.79 | 1369126223 | 0 |
| 81.155.53.80 | 1369126224 | 0 |
| 81.155.53.81 | 1369126225 | 0 |
| 81.155.53.82 | 1369126226 | 0 |
| 81.155.53.83 | 1369126227 | 0 |
| 81.155.53.84 | 1369126228 | 0 |
| 81.155.53.85 | 1369126229 | 0 |