The IP address 56.81.91 is provided by United States Postal Service., it's belong to the CDIR (Classless Inter-Domain Routing) 56.105.64.0/18 (range 56.105.64.0 to 56.105.127.255). The autonomous system number (ASN) is 5774.
| ASN | 5774 |
| IP starting by | 56.105.64.0 |
| IP ending by | 56.105.127.255 |
| ASN Name | United States Postal Service. |
| CDIR | 56.105.64.0/18 |
| Numerical IP | |
| Registry | arin |
| Last update | 07/08/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Palo Alto | 37.4419 | -122.143 | 2019-08-07 |
| MaxMind | US | United States | - | Raleigh | 35.7977 | -78.6253 | 2019-08-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 56.81.91.0 | 944855808 | 0 |
| 56.81.91.1 | 944855809 | 0 |
| 56.81.91.2 | 944855810 | 0 |
| 56.81.91.3 | 944855811 | 0 |
| 56.81.91.4 | 944855812 | 0 |
| 56.81.91.5 | 944855813 | 0 |
| 56.81.91.6 | 944855814 | 0 |
| 56.81.91.7 | 944855815 | 0 |
| 56.81.91.8 | 944855816 | 0 |
| 56.81.91.9 | 944855817 | 0 |
| 56.81.91.10 | 944855818 | 0 |
| 56.81.91.11 | 944855819 | 0 |
| 56.81.91.12 | 944855820 | 0 |
| 56.81.91.13 | 944855821 | 0 |
| 56.81.91.14 | 944855822 | 0 |
| 56.81.91.15 | 944855823 | 0 |
| 56.81.91.16 | 944855824 | 0 |
| 56.81.91.17 | 944855825 | 0 |
| 56.81.91.18 | 944855826 | 0 |
| 56.81.91.19 | 944855827 | 0 |
| 56.81.91.20 | 944855828 | 0 |
| 56.81.91.21 | 944855829 | 0 |
| 56.81.91.22 | 944855830 | 0 |
| 56.81.91.23 | 944855831 | 0 |
| 56.81.91.24 | 944855832 | 0 |
| 56.81.91.25 | 944855833 | 0 |
| 56.81.91.26 | 944855834 | 0 |
| 56.81.91.27 | 944855835 | 0 |
| 56.81.91.28 | 944855836 | 0 |
| 56.81.91.29 | 944855837 | 0 |
| 56.81.91.30 | 944855838 | 0 |
| 56.81.91.31 | 944855839 | 0 |
| 56.81.91.32 | 944855840 | 0 |
| 56.81.91.33 | 944855841 | 0 |
| 56.81.91.34 | 944855842 | 0 |
| 56.81.91.35 | 944855843 | 0 |
| 56.81.91.36 | 944855844 | 0 |
| 56.81.91.37 | 944855845 | 0 |
| 56.81.91.38 | 944855846 | 0 |
| 56.81.91.39 | 944855847 | 0 |
| 56.81.91.40 | 944855848 | 0 |
| 56.81.91.41 | 944855849 | 0 |
| 56.81.91.42 | 944855850 | 0 |
| 56.81.91.43 | 944855851 | 0 |
| 56.81.91.44 | 944855852 | 0 |
| 56.81.91.45 | 944855853 | 0 |
| 56.81.91.46 | 944855854 | 0 |
| 56.81.91.47 | 944855855 | 0 |
| 56.81.91.48 | 944855856 | 0 |
| 56.81.91.49 | 944855857 | 0 |
| 56.81.91.50 | 944855858 | 0 |
| 56.81.91.51 | 944855859 | 0 |
| 56.81.91.52 | 944855860 | 0 |
| 56.81.91.53 | 944855861 | 0 |
| 56.81.91.54 | 944855862 | 0 |
| 56.81.91.55 | 944855863 | 0 |
| 56.81.91.56 | 944855864 | 0 |
| 56.81.91.57 | 944855865 | 0 |
| 56.81.91.58 | 944855866 | 0 |
| 56.81.91.59 | 944855867 | 0 |
| 56.81.91.60 | 944855868 | 0 |
| 56.81.91.61 | 944855869 | 0 |
| 56.81.91.62 | 944855870 | 0 |
| 56.81.91.63 | 944855871 | 0 |
| 56.81.91.64 | 944855872 | 0 |
| 56.81.91.65 | 944855873 | 0 |
| 56.81.91.66 | 944855874 | 0 |
| 56.81.91.67 | 944855875 | 0 |
| 56.81.91.68 | 944855876 | 0 |
| 56.81.91.69 | 944855877 | 0 |
| 56.81.91.70 | 944855878 | 0 |
| 56.81.91.71 | 944855879 | 0 |
| 56.81.91.72 | 944855880 | 0 |
| 56.81.91.73 | 944855881 | 0 |
| 56.81.91.74 | 944855882 | 0 |
| 56.81.91.75 | 944855883 | 0 |
| 56.81.91.76 | 944855884 | 0 |
| 56.81.91.77 | 944855885 | 0 |
| 56.81.91.78 | 944855886 | 0 |
| 56.81.91.79 | 944855887 | 0 |
| 56.81.91.80 | 944855888 | 0 |
| 56.81.91.81 | 944855889 | 0 |
| 56.81.91.82 | 944855890 | 0 |
| 56.81.91.83 | 944855891 | 0 |
| 56.81.91.84 | 944855892 | 0 |
| 56.81.91.85 | 944855893 | 0 |