L'indirizzo IP 51.91.20 è fornito da Microsoft Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 51.103.0.0/16, IP tra 51.103.0.0 a 51.103.255.255 ). Il numero di sistema autonomo (ASN) è 8075.
| ASN | 8075 |
| IP inizia con | 51.103.0.0 |
| IP finale con | 51.103.255.255 |
| ASN Nome | Microsoft Corporation |
| CDIR | 51.103.0.0/16 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 27/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Warrington | 52,1845 | -0,6876 | 2017-09-27 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2017-09-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.91.20.0 | 861606912 | 0 |
| 51.91.20.1 | 861606913 | 0 |
| 51.91.20.2 | 861606914 | 0 |
| 51.91.20.3 | 861606915 | 0 |
| 51.91.20.4 | 861606916 | 0 |
| 51.91.20.5 | 861606917 | 0 |
| 51.91.20.6 | 861606918 | 0 |
| 51.91.20.7 | 861606919 | 0 |
| 51.91.20.8 | 861606920 | 0 |
| 51.91.20.9 | 861606921 | 0 |
| 51.91.20.10 | 861606922 | 0 |
| 51.91.20.11 | 861606923 | 0 |
| 51.91.20.12 | 861606924 | 0 |
| 51.91.20.13 | 861606925 | 0 |
| 51.91.20.14 | 861606926 | 0 |
| 51.91.20.15 | 861606927 | 0 |
| 51.91.20.16 | 861606928 | 0 |
| 51.91.20.17 | 861606929 | 0 |
| 51.91.20.18 | 861606930 | 0 |
| 51.91.20.19 | 861606931 | 0 |
| 51.91.20.20 | 861606932 | 0 |
| 51.91.20.21 | 861606933 | 0 |
| 51.91.20.22 | 861606934 | 0 |
| 51.91.20.23 | 861606935 | 0 |
| 51.91.20.24 | 861606936 | 0 |
| 51.91.20.25 | 861606937 | 0 |
| 51.91.20.26 | 861606938 | 0 |
| 51.91.20.27 | 861606939 | 0 |
| 51.91.20.28 | 861606940 | 0 |
| 51.91.20.29 | 861606941 | 0 |
| 51.91.20.30 | 861606942 | 0 |
| 51.91.20.31 | 861606943 | 0 |
| 51.91.20.32 | 861606944 | 0 |
| 51.91.20.33 | 861606945 | 0 |
| 51.91.20.34 | 861606946 | 0 |
| 51.91.20.35 | 861606947 | 0 |
| 51.91.20.36 | 861606948 | 0 |
| 51.91.20.37 | 861606949 | 0 |
| 51.91.20.38 | 861606950 | 0 |
| 51.91.20.39 | 861606951 | 0 |
| 51.91.20.40 | 861606952 | 0 |
| 51.91.20.41 | 861606953 | 0 |
| 51.91.20.42 | 861606954 | 0 |
| 51.91.20.43 | 861606955 | 0 |
| 51.91.20.44 | 861606956 | 0 |
| 51.91.20.45 | 861606957 | 0 |
| 51.91.20.46 | 861606958 | 0 |
| 51.91.20.47 | 861606959 | 0 |
| 51.91.20.48 | 861606960 | 0 |
| 51.91.20.49 | 861606961 | 0 |
| 51.91.20.50 | 861606962 | 0 |
| 51.91.20.51 | 861606963 | 0 |
| 51.91.20.52 | 861606964 | 0 |
| 51.91.20.53 | 861606965 | 0 |
| 51.91.20.54 | 861606966 | 0 |
| 51.91.20.55 | 861606967 | 0 |
| 51.91.20.56 | 861606968 | 0 |
| 51.91.20.57 | 861606969 | 0 |
| 51.91.20.58 | 861606970 | 0 |
| 51.91.20.59 | 861606971 | 0 |
| 51.91.20.60 | 861606972 | 0 |
| 51.91.20.61 | 861606973 | 0 |
| 51.91.20.62 | 861606974 | 0 |
| 51.91.20.63 | 861606975 | 0 |
| 51.91.20.64 | 861606976 | 0 |
| 51.91.20.65 | 861606977 | 0 |
| 51.91.20.66 | 861606978 | 0 |
| 51.91.20.67 | 861606979 | 0 |
| 51.91.20.68 | 861606980 | 0 |
| 51.91.20.69 | 861606981 | 0 |
| 51.91.20.70 | 861606982 | 0 |
| 51.91.20.71 | 861606983 | 0 |
| 51.91.20.72 | 861606984 | 0 |
| 51.91.20.73 | 861606985 | 0 |
| 51.91.20.74 | 861606986 | 0 |
| 51.91.20.75 | 861606987 | 0 |
| 51.91.20.76 | 861606988 | 0 |
| 51.91.20.77 | 861606989 | 0 |
| 51.91.20.78 | 861606990 | 0 |
| 51.91.20.79 | 861606991 | 0 |
| 51.91.20.80 | 861606992 | 0 |
| 51.91.20.81 | 861606993 | 0 |
| 51.91.20.82 | 861606994 | 0 |
| 51.91.20.83 | 861606995 | 0 |
| 51.91.20.84 | 861606996 | 0 |
| 51.91.20.85 | 861606997 | 0 |