L'indirizzo IP 51.72.20 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 | 13/02/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Warrington | 52,1845 | -0,6876 | 2018-02-12 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2018-02-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 51.72.20.0 | 860361728 | 0 |
| 51.72.20.1 | 860361729 | 0 |
| 51.72.20.2 | 860361730 | 0 |
| 51.72.20.3 | 860361731 | 0 |
| 51.72.20.4 | 860361732 | 0 |
| 51.72.20.5 | 860361733 | 0 |
| 51.72.20.6 | 860361734 | 0 |
| 51.72.20.7 | 860361735 | 0 |
| 51.72.20.8 | 860361736 | 0 |
| 51.72.20.9 | 860361737 | 0 |
| 51.72.20.10 | 860361738 | 0 |
| 51.72.20.11 | 860361739 | 0 |
| 51.72.20.12 | 860361740 | 0 |
| 51.72.20.13 | 860361741 | 0 |
| 51.72.20.14 | 860361742 | 0 |
| 51.72.20.15 | 860361743 | 0 |
| 51.72.20.16 | 860361744 | 0 |
| 51.72.20.17 | 860361745 | 0 |
| 51.72.20.18 | 860361746 | 0 |
| 51.72.20.19 | 860361747 | 0 |
| 51.72.20.20 | 860361748 | 0 |
| 51.72.20.21 | 860361749 | 0 |
| 51.72.20.22 | 860361750 | 0 |
| 51.72.20.23 | 860361751 | 0 |
| 51.72.20.24 | 860361752 | 0 |
| 51.72.20.25 | 860361753 | 0 |
| 51.72.20.26 | 860361754 | 0 |
| 51.72.20.27 | 860361755 | 0 |
| 51.72.20.28 | 860361756 | 0 |
| 51.72.20.29 | 860361757 | 0 |
| 51.72.20.30 | 860361758 | 0 |
| 51.72.20.31 | 860361759 | 0 |
| 51.72.20.32 | 860361760 | 0 |
| 51.72.20.33 | 860361761 | 0 |
| 51.72.20.34 | 860361762 | 0 |
| 51.72.20.35 | 860361763 | 0 |
| 51.72.20.36 | 860361764 | 0 |
| 51.72.20.37 | 860361765 | 0 |
| 51.72.20.38 | 860361766 | 0 |
| 51.72.20.39 | 860361767 | 0 |
| 51.72.20.40 | 860361768 | 0 |
| 51.72.20.41 | 860361769 | 0 |
| 51.72.20.42 | 860361770 | 0 |
| 51.72.20.43 | 860361771 | 0 |
| 51.72.20.44 | 860361772 | 0 |
| 51.72.20.45 | 860361773 | 0 |
| 51.72.20.46 | 860361774 | 0 |
| 51.72.20.47 | 860361775 | 0 |
| 51.72.20.48 | 860361776 | 0 |
| 51.72.20.49 | 860361777 | 0 |
| 51.72.20.50 | 860361778 | 0 |
| 51.72.20.51 | 860361779 | 0 |
| 51.72.20.52 | 860361780 | 0 |
| 51.72.20.53 | 860361781 | 0 |
| 51.72.20.54 | 860361782 | 0 |
| 51.72.20.55 | 860361783 | 0 |
| 51.72.20.56 | 860361784 | 0 |
| 51.72.20.57 | 860361785 | 0 |
| 51.72.20.58 | 860361786 | 0 |
| 51.72.20.59 | 860361787 | 0 |
| 51.72.20.60 | 860361788 | 0 |
| 51.72.20.61 | 860361789 | 0 |
| 51.72.20.62 | 860361790 | 0 |
| 51.72.20.63 | 860361791 | 0 |
| 51.72.20.64 | 860361792 | 0 |
| 51.72.20.65 | 860361793 | 0 |
| 51.72.20.66 | 860361794 | 0 |
| 51.72.20.67 | 860361795 | 0 |
| 51.72.20.68 | 860361796 | 0 |
| 51.72.20.69 | 860361797 | 0 |
| 51.72.20.70 | 860361798 | 0 |
| 51.72.20.71 | 860361799 | 0 |
| 51.72.20.72 | 860361800 | 0 |
| 51.72.20.73 | 860361801 | 0 |
| 51.72.20.74 | 860361802 | 0 |
| 51.72.20.75 | 860361803 | 0 |
| 51.72.20.76 | 860361804 | 0 |
| 51.72.20.77 | 860361805 | 0 |
| 51.72.20.78 | 860361806 | 0 |
| 51.72.20.79 | 860361807 | 0 |
| 51.72.20.80 | 860361808 | 0 |
| 51.72.20.81 | 860361809 | 0 |
| 51.72.20.82 | 860361810 | 0 |
| 51.72.20.83 | 860361811 | 0 |
| 51.72.20.84 | 860361812 | 0 |
| 51.72.20.85 | 860361813 | 0 |