Les adresses IP débutant par 81.145.58 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 | 14/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | London | 51,5085 | -0,1257 | 2017-07-14 |
| MaxMind | GB | Royaume-Uni | - | Stourbridge | 52,4667 | -2,1333 | 2017-07-14 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.145.58.0 | 1368472064 | 0 |
| 81.145.58.1 | 1368472065 | 0 |
| 81.145.58.2 | 1368472066 | 0 |
| 81.145.58.3 | 1368472067 | 0 |
| 81.145.58.4 | 1368472068 | 0 |
| 81.145.58.5 | 1368472069 | 0 |
| 81.145.58.6 | 1368472070 | 0 |
| 81.145.58.7 | 1368472071 | 0 |
| 81.145.58.8 | 1368472072 | 0 |
| 81.145.58.9 | 1368472073 | 0 |
| 81.145.58.10 | 1368472074 | 0 |
| 81.145.58.11 | 1368472075 | 0 |
| 81.145.58.12 | 1368472076 | 0 |
| 81.145.58.13 | 1368472077 | 0 |
| 81.145.58.14 | 1368472078 | 0 |
| 81.145.58.15 | 1368472079 | 0 |
| 81.145.58.16 | 1368472080 | 0 |
| 81.145.58.17 | 1368472081 | 0 |
| 81.145.58.18 | 1368472082 | 0 |
| 81.145.58.19 | 1368472083 | 0 |
| 81.145.58.20 | 1368472084 | 0 |
| 81.145.58.21 | 1368472085 | 0 |
| 81.145.58.22 | 1368472086 | 0 |
| 81.145.58.23 | 1368472087 | 0 |
| 81.145.58.24 | 1368472088 | 0 |
| 81.145.58.25 | 1368472089 | 0 |
| 81.145.58.26 | 1368472090 | 0 |
| 81.145.58.27 | 1368472091 | 0 |
| 81.145.58.28 | 1368472092 | 0 |
| 81.145.58.29 | 1368472093 | 0 |
| 81.145.58.30 | 1368472094 | 0 |
| 81.145.58.31 | 1368472095 | 0 |
| 81.145.58.32 | 1368472096 | 0 |
| 81.145.58.33 | 1368472097 | 0 |
| 81.145.58.34 | 1368472098 | 0 |
| 81.145.58.35 | 1368472099 | 0 |
| 81.145.58.36 | 1368472100 | 0 |
| 81.145.58.37 | 1368472101 | 0 |
| 81.145.58.38 | 1368472102 | 0 |
| 81.145.58.39 | 1368472103 | 0 |
| 81.145.58.40 | 1368472104 | 0 |
| 81.145.58.41 | 1368472105 | 0 |
| 81.145.58.42 | 1368472106 | 0 |
| 81.145.58.43 | 1368472107 | 0 |
| 81.145.58.44 | 1368472108 | 0 |
| 81.145.58.45 | 1368472109 | 0 |
| 81.145.58.46 | 1368472110 | 0 |
| 81.145.58.47 | 1368472111 | 0 |
| 81.145.58.48 | 1368472112 | 0 |
| 81.145.58.49 | 1368472113 | 0 |
| 81.145.58.50 | 1368472114 | 0 |
| 81.145.58.51 | 1368472115 | 0 |
| 81.145.58.52 | 1368472116 | 0 |
| 81.145.58.53 | 1368472117 | 0 |
| 81.145.58.54 | 1368472118 | 0 |
| 81.145.58.55 | 1368472119 | 0 |
| 81.145.58.56 | 1368472120 | 0 |
| 81.145.58.57 | 1368472121 | 0 |
| 81.145.58.58 | 1368472122 | 0 |
| 81.145.58.59 | 1368472123 | 0 |
| 81.145.58.60 | 1368472124 | 0 |
| 81.145.58.61 | 1368472125 | 0 |
| 81.145.58.62 | 1368472126 | 0 |
| 81.145.58.63 | 1368472127 | 0 |
| 81.145.58.64 | 1368472128 | 0 |
| 81.145.58.65 | 1368472129 | 0 |
| 81.145.58.66 | 1368472130 | 0 |
| 81.145.58.67 | 1368472131 | 0 |
| 81.145.58.68 | 1368472132 | 0 |
| 81.145.58.69 | 1368472133 | 0 |
| 81.145.58.70 | 1368472134 | 0 |
| 81.145.58.71 | 1368472135 | 0 |
| 81.145.58.72 | 1368472136 | 0 |
| 81.145.58.73 | 1368472137 | 0 |
| 81.145.58.74 | 1368472138 | 0 |
| 81.145.58.75 | 1368472139 | 0 |
| 81.145.58.76 | 1368472140 | 0 |
| 81.145.58.77 | 1368472141 | 0 |
| 81.145.58.78 | 1368472142 | 0 |
| 81.145.58.79 | 1368472143 | 0 |
| 81.145.58.80 | 1368472144 | 0 |
| 81.145.58.81 | 1368472145 | 0 |
| 81.145.58.82 | 1368472146 | 0 |
| 81.145.58.83 | 1368472147 | 0 |
| 81.145.58.84 | 1368472148 | 0 |
| 81.145.58.85 | 1368472149 | 0 |