The IP address 99.81.172 is provided by AT&T Services, Inc., it's belong to the CDIR (Classless Inter-Domain Routing) 99.64.0.0/11 (range 99.64.0.0 to 99.95.255.255). The autonomous system number (ASN) is 7018.
| ASN | 7018 |
| IP starting by | 99.64.0.0 |
| IP ending by | 99.95.255.255 |
| ASN Name | AT&T Services, Inc. |
| CDIR | 99.64.0.0/11 |
| Numerical IP | |
| Registry | arin |
| Last update | 04/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Richardson | 32.9924 | -96.6821 | 2017-07-04 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-07-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.81.172.0 | 1666296832 | 0 |
| 99.81.172.1 | 1666296833 | 0 |
| 99.81.172.2 | 1666296834 | 0 |
| 99.81.172.3 | 1666296835 | 0 |
| 99.81.172.4 | 1666296836 | 0 |
| 99.81.172.5 | 1666296837 | 0 |
| 99.81.172.6 | 1666296838 | 0 |
| 99.81.172.7 | 1666296839 | 0 |
| 99.81.172.8 | 1666296840 | 0 |
| 99.81.172.9 | 1666296841 | 0 |
| 99.81.172.10 | 1666296842 | 0 |
| 99.81.172.11 | 1666296843 | 0 |
| 99.81.172.12 | 1666296844 | 0 |
| 99.81.172.13 | 1666296845 | 0 |
| 99.81.172.14 | 1666296846 | 0 |
| 99.81.172.15 | 1666296847 | 0 |
| 99.81.172.16 | 1666296848 | 0 |
| 99.81.172.17 | 1666296849 | 0 |
| 99.81.172.18 | 1666296850 | 0 |
| 99.81.172.19 | 1666296851 | 0 |
| 99.81.172.20 | 1666296852 | 0 |
| 99.81.172.21 | 1666296853 | 0 |
| 99.81.172.22 | 1666296854 | 0 |
| 99.81.172.23 | 1666296855 | 0 |
| 99.81.172.24 | 1666296856 | 0 |
| 99.81.172.25 | 1666296857 | 0 |
| 99.81.172.26 | 1666296858 | 0 |
| 99.81.172.27 | 1666296859 | 0 |
| 99.81.172.28 | 1666296860 | 0 |
| 99.81.172.29 | 1666296861 | 0 |
| 99.81.172.30 | 1666296862 | 0 |
| 99.81.172.31 | 1666296863 | 0 |
| 99.81.172.32 | 1666296864 | 0 |
| 99.81.172.33 | 1666296865 | 0 |
| 99.81.172.34 | 1666296866 | 0 |
| 99.81.172.35 | 1666296867 | 0 |
| 99.81.172.36 | 1666296868 | 0 |
| 99.81.172.37 | 1666296869 | 0 |
| 99.81.172.38 | 1666296870 | 0 |
| 99.81.172.39 | 1666296871 | 0 |
| 99.81.172.40 | 1666296872 | 0 |
| 99.81.172.41 | 1666296873 | 0 |
| 99.81.172.42 | 1666296874 | 0 |
| 99.81.172.43 | 1666296875 | 0 |
| 99.81.172.44 | 1666296876 | 0 |
| 99.81.172.45 | 1666296877 | 0 |
| 99.81.172.46 | 1666296878 | 0 |
| 99.81.172.47 | 1666296879 | 0 |
| 99.81.172.48 | 1666296880 | 0 |
| 99.81.172.49 | 1666296881 | 0 |
| 99.81.172.50 | 1666296882 | 0 |
| 99.81.172.51 | 1666296883 | 0 |
| 99.81.172.52 | 1666296884 | 0 |
| 99.81.172.53 | 1666296885 | 0 |
| 99.81.172.54 | 1666296886 | 0 |
| 99.81.172.55 | 1666296887 | 0 |
| 99.81.172.56 | 1666296888 | 0 |
| 99.81.172.57 | 1666296889 | 0 |
| 99.81.172.58 | 1666296890 | 0 |
| 99.81.172.59 | 1666296891 | 0 |
| 99.81.172.60 | 1666296892 | 0 |
| 99.81.172.61 | 1666296893 | 0 |
| 99.81.172.62 | 1666296894 | 0 |
| 99.81.172.63 | 1666296895 | 0 |
| 99.81.172.64 | 1666296896 | 0 |
| 99.81.172.65 | 1666296897 | 0 |
| 99.81.172.66 | 1666296898 | 0 |
| 99.81.172.67 | 1666296899 | 0 |
| 99.81.172.68 | 1666296900 | 0 |
| 99.81.172.69 | 1666296901 | 0 |
| 99.81.172.70 | 1666296902 | 0 |
| 99.81.172.71 | 1666296903 | 0 |
| 99.81.172.72 | 1666296904 | 0 |
| 99.81.172.73 | 1666296905 | 0 |
| 99.81.172.74 | 1666296906 | 0 |
| 99.81.172.75 | 1666296907 | 0 |
| 99.81.172.76 | 1666296908 | 0 |
| 99.81.172.77 | 1666296909 | 0 |
| 99.81.172.78 | 1666296910 | 0 |
| 99.81.172.79 | 1666296911 | 0 |
| 99.81.172.80 | 1666296912 | 0 |
| 99.81.172.81 | 1666296913 | 0 |
| 99.81.172.82 | 1666296914 | 0 |
| 99.81.172.83 | 1666296915 | 0 |
| 99.81.172.84 | 1666296916 | 0 |
| 99.81.172.85 | 1666296917 | 0 |