Die IP-Adresse 51.81.42 erfolgt über Microsoft Corporation, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 51.103.0.0/16 (Bereich 51.103.0.0, 51.103.255.255). Die autonomen Systemnummer (ASN) ist 8075.
| ASN | 8075 |
| Ausgehend von IP | 51.103.0.0 |
| Beendigung durch IP | 51.103.255.255 |
| ASN-Namen | Microsoft Corporation |
| GGDV | 51.103.0.0/16 |
| Numerische IP | |
| Registrierung | arin |
| Letztes update | 06.07.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | GB | Vereinigtes Königreich | - | London | 51,5085 | -0,1257 | 2018-07-05 |
| MaxMind | GB | Großbritannien und Nordirland | - | - | 51,4964 | -0,1224 | 2018-07-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.81.42.0 | 860957184 | 0 |
| 51.81.42.1 | 860957185 | 0 |
| 51.81.42.2 | 860957186 | 0 |
| 51.81.42.3 | 860957187 | 0 |
| 51.81.42.4 | 860957188 | 0 |
| 51.81.42.5 | 860957189 | 0 |
| 51.81.42.6 | 860957190 | 0 |
| 51.81.42.7 | 860957191 | 0 |
| 51.81.42.8 | 860957192 | 0 |
| 51.81.42.9 | 860957193 | 0 |
| 51.81.42.10 | 860957194 | 0 |
| 51.81.42.11 | 860957195 | 0 |
| 51.81.42.12 | 860957196 | 0 |
| 51.81.42.13 | 860957197 | 0 |
| 51.81.42.14 | 860957198 | 0 |
| 51.81.42.15 | 860957199 | 0 |
| 51.81.42.16 | 860957200 | 0 |
| 51.81.42.17 | 860957201 | 0 |
| 51.81.42.18 | 860957202 | 0 |
| 51.81.42.19 | 860957203 | 0 |
| 51.81.42.20 | 860957204 | 0 |
| 51.81.42.21 | 860957205 | 0 |
| 51.81.42.22 | 860957206 | 0 |
| 51.81.42.23 | 860957207 | 0 |
| 51.81.42.24 | 860957208 | 0 |
| 51.81.42.25 | 860957209 | 0 |
| 51.81.42.26 | 860957210 | 0 |
| 51.81.42.27 | 860957211 | 0 |
| 51.81.42.28 | 860957212 | 0 |
| 51.81.42.29 | 860957213 | 0 |
| 51.81.42.30 | 860957214 | 0 |
| 51.81.42.31 | 860957215 | 0 |
| 51.81.42.32 | 860957216 | 0 |
| 51.81.42.33 | 860957217 | 0 |
| 51.81.42.34 | 860957218 | 0 |
| 51.81.42.35 | 860957219 | 0 |
| 51.81.42.36 | 860957220 | 0 |
| 51.81.42.37 | 860957221 | 0 |
| 51.81.42.38 | 860957222 | 0 |
| 51.81.42.39 | 860957223 | 0 |
| 51.81.42.40 | 860957224 | 0 |
| 51.81.42.41 | 860957225 | 0 |
| 51.81.42.42 | 860957226 | 0 |
| 51.81.42.43 | 860957227 | 0 |
| 51.81.42.44 | 860957228 | 0 |
| 51.81.42.45 | 860957229 | 0 |
| 51.81.42.46 | 860957230 | 0 |
| 51.81.42.47 | 860957231 | 0 |
| 51.81.42.48 | 860957232 | 0 |
| 51.81.42.49 | 860957233 | 0 |
| 51.81.42.50 | 860957234 | 0 |
| 51.81.42.51 | 860957235 | 0 |
| 51.81.42.52 | 860957236 | 0 |
| 51.81.42.53 | 860957237 | 0 |
| 51.81.42.54 | 860957238 | 0 |
| 51.81.42.55 | 860957239 | 0 |
| 51.81.42.56 | 860957240 | 0 |
| 51.81.42.57 | 860957241 | 0 |
| 51.81.42.58 | 860957242 | 0 |
| 51.81.42.59 | 860957243 | 0 |
| 51.81.42.60 | 860957244 | 0 |
| 51.81.42.61 | 860957245 | 0 |
| 51.81.42.62 | 860957246 | 0 |
| 51.81.42.63 | 860957247 | 0 |
| 51.81.42.64 | 860957248 | 0 |
| 51.81.42.65 | 860957249 | 0 |
| 51.81.42.66 | 860957250 | 0 |
| 51.81.42.67 | 860957251 | 0 |
| 51.81.42.68 | 860957252 | 0 |
| 51.81.42.69 | 860957253 | 0 |
| 51.81.42.70 | 860957254 | 0 |
| 51.81.42.71 | 860957255 | 0 |
| 51.81.42.72 | 860957256 | 0 |
| 51.81.42.73 | 860957257 | 0 |
| 51.81.42.74 | 860957258 | 0 |
| 51.81.42.75 | 860957259 | 0 |
| 51.81.42.76 | 860957260 | 0 |
| 51.81.42.77 | 860957261 | 0 |
| 51.81.42.78 | 860957262 | 0 |
| 51.81.42.79 | 860957263 | 0 |
| 51.81.42.80 | 860957264 | 0 |
| 51.81.42.81 | 860957265 | 0 |
| 51.81.42.82 | 860957266 | 0 |
| 51.81.42.83 | 860957267 | 0 |
| 51.81.42.84 | 860957268 | 0 |
| 51.81.42.85 | 860957269 | 0 |