L'indirizzo IP 51.45.81 è fornito da Microsoft Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 51.51.0.0/16, IP tra 51.51.0.0 a 51.51.255.255 ). Il numero di sistema autonomo (ASN) è 8075.
| ASN | 8075 |
| IP inizia con | 51.51.0.0 |
| IP finale con | 51.51.255.255 |
| ASN Nome | Microsoft Corporation |
| CDIR | 51.51.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 05/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Warrington | 52,1845 | -0,6876 | 2017-08-05 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2017-08-05 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.45.81.0 | 858607872 | 0 |
| 51.45.81.1 | 858607873 | 0 |
| 51.45.81.2 | 858607874 | 0 |
| 51.45.81.3 | 858607875 | 0 |
| 51.45.81.4 | 858607876 | 0 |
| 51.45.81.5 | 858607877 | 0 |
| 51.45.81.6 | 858607878 | 0 |
| 51.45.81.7 | 858607879 | 0 |
| 51.45.81.8 | 858607880 | 0 |
| 51.45.81.9 | 858607881 | 0 |
| 51.45.81.10 | 858607882 | 0 |
| 51.45.81.11 | 858607883 | 0 |
| 51.45.81.12 | 858607884 | 0 |
| 51.45.81.13 | 858607885 | 0 |
| 51.45.81.14 | 858607886 | 0 |
| 51.45.81.15 | 858607887 | 0 |
| 51.45.81.16 | 858607888 | 0 |
| 51.45.81.17 | 858607889 | 0 |
| 51.45.81.18 | 858607890 | 0 |
| 51.45.81.19 | 858607891 | 0 |
| 51.45.81.20 | 858607892 | 0 |
| 51.45.81.21 | 858607893 | 0 |
| 51.45.81.22 | 858607894 | 0 |
| 51.45.81.23 | 858607895 | 0 |
| 51.45.81.24 | 858607896 | 0 |
| 51.45.81.25 | 858607897 | 0 |
| 51.45.81.26 | 858607898 | 0 |
| 51.45.81.27 | 858607899 | 0 |
| 51.45.81.28 | 858607900 | 0 |
| 51.45.81.29 | 858607901 | 0 |
| 51.45.81.30 | 858607902 | 0 |
| 51.45.81.31 | 858607903 | 0 |
| 51.45.81.32 | 858607904 | 0 |
| 51.45.81.33 | 858607905 | 0 |
| 51.45.81.34 | 858607906 | 0 |
| 51.45.81.35 | 858607907 | 0 |
| 51.45.81.36 | 858607908 | 0 |
| 51.45.81.37 | 858607909 | 0 |
| 51.45.81.38 | 858607910 | 0 |
| 51.45.81.39 | 858607911 | 0 |
| 51.45.81.40 | 858607912 | 0 |
| 51.45.81.41 | 858607913 | 0 |
| 51.45.81.42 | 858607914 | 0 |
| 51.45.81.43 | 858607915 | 0 |
| 51.45.81.44 | 858607916 | 0 |
| 51.45.81.45 | 858607917 | 0 |
| 51.45.81.46 | 858607918 | 0 |
| 51.45.81.47 | 858607919 | 0 |
| 51.45.81.48 | 858607920 | 0 |
| 51.45.81.49 | 858607921 | 0 |
| 51.45.81.50 | 858607922 | 0 |
| 51.45.81.51 | 858607923 | 0 |
| 51.45.81.52 | 858607924 | 0 |
| 51.45.81.53 | 858607925 | 0 |
| 51.45.81.54 | 858607926 | 0 |
| 51.45.81.55 | 858607927 | 0 |
| 51.45.81.56 | 858607928 | 0 |
| 51.45.81.57 | 858607929 | 0 |
| 51.45.81.58 | 858607930 | 0 |
| 51.45.81.59 | 858607931 | 0 |
| 51.45.81.60 | 858607932 | 0 |
| 51.45.81.61 | 858607933 | 0 |
| 51.45.81.62 | 858607934 | 0 |
| 51.45.81.63 | 858607935 | 0 |
| 51.45.81.64 | 858607936 | 0 |
| 51.45.81.65 | 858607937 | 0 |
| 51.45.81.66 | 858607938 | 0 |
| 51.45.81.67 | 858607939 | 0 |
| 51.45.81.68 | 858607940 | 0 |
| 51.45.81.69 | 858607941 | 0 |
| 51.45.81.70 | 858607942 | 0 |
| 51.45.81.71 | 858607943 | 0 |
| 51.45.81.72 | 858607944 | 0 |
| 51.45.81.73 | 858607945 | 0 |
| 51.45.81.74 | 858607946 | 0 |
| 51.45.81.75 | 858607947 | 0 |
| 51.45.81.76 | 858607948 | 0 |
| 51.45.81.77 | 858607949 | 0 |
| 51.45.81.78 | 858607950 | 0 |
| 51.45.81.79 | 858607951 | 0 |
| 51.45.81.80 | 858607952 | 0 |
| 51.45.81.81 | 858607953 | 0 |
| 51.45.81.82 | 858607954 | 0 |
| 51.45.81.83 | 858607955 | 0 |
| 51.45.81.84 | 858607956 | 0 |
| 51.45.81.85 | 858607957 | 0 |