L'indirizzo IP 172.9.42 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, IP tra 172.0.0.0 a 172.15.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 172.0.0.0 |
| IP finale con | 172.15.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 29/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Saint Louis | 38,6273 | -90,1979 | 2017-07-29 |
| MaxMind | US | United States | - | St Louis | 38,5776 | -90,4245 | 2017-07-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.9.42.0 | 2886281728 | 0 |
| 172.9.42.1 | 2886281729 | 0 |
| 172.9.42.2 | 2886281730 | 0 |
| 172.9.42.3 | 2886281731 | 0 |
| 172.9.42.4 | 2886281732 | 0 |
| 172.9.42.5 | 2886281733 | 0 |
| 172.9.42.6 | 2886281734 | 0 |
| 172.9.42.7 | 2886281735 | 0 |
| 172.9.42.8 | 2886281736 | 0 |
| 172.9.42.9 | 2886281737 | 0 |
| 172.9.42.10 | 2886281738 | 0 |
| 172.9.42.11 | 2886281739 | 0 |
| 172.9.42.12 | 2886281740 | 0 |
| 172.9.42.13 | 2886281741 | 0 |
| 172.9.42.14 | 2886281742 | 0 |
| 172.9.42.15 | 2886281743 | 0 |
| 172.9.42.16 | 2886281744 | 0 |
| 172.9.42.17 | 2886281745 | 0 |
| 172.9.42.18 | 2886281746 | 0 |
| 172.9.42.19 | 2886281747 | 0 |
| 172.9.42.20 | 2886281748 | 0 |
| 172.9.42.21 | 2886281749 | 0 |
| 172.9.42.22 | 2886281750 | 0 |
| 172.9.42.23 | 2886281751 | 0 |
| 172.9.42.24 | 2886281752 | 0 |
| 172.9.42.25 | 2886281753 | 0 |
| 172.9.42.26 | 2886281754 | 0 |
| 172.9.42.27 | 2886281755 | 0 |
| 172.9.42.28 | 2886281756 | 0 |
| 172.9.42.29 | 2886281757 | 0 |
| 172.9.42.30 | 2886281758 | 0 |
| 172.9.42.31 | 2886281759 | 0 |
| 172.9.42.32 | 2886281760 | 0 |
| 172.9.42.33 | 2886281761 | 0 |
| 172.9.42.34 | 2886281762 | 0 |
| 172.9.42.35 | 2886281763 | 0 |
| 172.9.42.36 | 2886281764 | 0 |
| 172.9.42.37 | 2886281765 | 0 |
| 172.9.42.38 | 2886281766 | 0 |
| 172.9.42.39 | 2886281767 | 0 |
| 172.9.42.40 | 2886281768 | 0 |
| 172.9.42.41 | 2886281769 | 0 |
| 172.9.42.42 | 2886281770 | 0 |
| 172.9.42.43 | 2886281771 | 0 |
| 172.9.42.44 | 2886281772 | 0 |
| 172.9.42.45 | 2886281773 | 0 |
| 172.9.42.46 | 2886281774 | 0 |
| 172.9.42.47 | 2886281775 | 0 |
| 172.9.42.48 | 2886281776 | 0 |
| 172.9.42.49 | 2886281777 | 0 |
| 172.9.42.50 | 2886281778 | 0 |
| 172.9.42.51 | 2886281779 | 0 |
| 172.9.42.52 | 2886281780 | 0 |
| 172.9.42.53 | 2886281781 | 0 |
| 172.9.42.54 | 2886281782 | 0 |
| 172.9.42.55 | 2886281783 | 0 |
| 172.9.42.56 | 2886281784 | 0 |
| 172.9.42.57 | 2886281785 | 0 |
| 172.9.42.58 | 2886281786 | 0 |
| 172.9.42.59 | 2886281787 | 0 |
| 172.9.42.60 | 2886281788 | 0 |
| 172.9.42.61 | 2886281789 | 0 |
| 172.9.42.62 | 2886281790 | 0 |
| 172.9.42.63 | 2886281791 | 0 |
| 172.9.42.64 | 2886281792 | 0 |
| 172.9.42.65 | 2886281793 | 0 |
| 172.9.42.66 | 2886281794 | 0 |
| 172.9.42.67 | 2886281795 | 0 |
| 172.9.42.68 | 2886281796 | 0 |
| 172.9.42.69 | 2886281797 | 0 |
| 172.9.42.70 | 2886281798 | 0 |
| 172.9.42.71 | 2886281799 | 0 |
| 172.9.42.72 | 2886281800 | 0 |
| 172.9.42.73 | 2886281801 | 0 |
| 172.9.42.74 | 2886281802 | 0 |
| 172.9.42.75 | 2886281803 | 0 |
| 172.9.42.76 | 2886281804 | 0 |
| 172.9.42.77 | 2886281805 | 0 |
| 172.9.42.78 | 2886281806 | 0 |
| 172.9.42.79 | 2886281807 | 0 |
| 172.9.42.80 | 2886281808 | 0 |
| 172.9.42.81 | 2886281809 | 0 |
| 172.9.42.82 | 2886281810 | 0 |
| 172.9.42.83 | 2886281811 | 0 |
| 172.9.42.84 | 2886281812 | 0 |
| 172.9.42.85 | 2886281813 | 0 |
| IP | Numerical IP | DNS |
| 172.9.42.86 | 2886281814 | 0 |
| 172.9.42.87 | 2886281815 | 0 |
| 172.9.42.88 | 2886281816 | 0 |
| 172.9.42.89 | 2886281817 | 0 |
| 172.9.42.90 | 2886281818 | 0 |
| 172.9.42.91 | 2886281819 | 0 |
| 172.9.42.92 | 2886281820 | 0 |
| 172.9.42.93 | 2886281821 | 0 |
| 172.9.42.94 | 2886281822 | 0 |
| 172.9.42.95 | 2886281823 | 0 |
| 172.9.42.96 | 2886281824 | 0 |
| 172.9.42.97 | 2886281825 | 0 |
| 172.9.42.98 | 2886281826 | 0 |
| 172.9.42.99 | 2886281827 | 0 |
| 172.9.42.100 | 2886281828 | 0 |
| 172.9.42.101 | 2886281829 | 0 |
| 172.9.42.102 | 2886281830 | 0 |
| 172.9.42.103 | 2886281831 | 0 |
| 172.9.42.104 | 2886281832 | 0 |
| 172.9.42.105 | 2886281833 | 0 |
| 172.9.42.106 | 2886281834 | 0 |
| 172.9.42.107 | 2886281835 | 0 |
| 172.9.42.108 | 2886281836 | 0 |
| 172.9.42.109 | 2886281837 | 0 |
| 172.9.42.110 | 2886281838 | 0 |
| 172.9.42.111 | 2886281839 | 0 |
| 172.9.42.112 | 2886281840 | 0 |
| 172.9.42.113 | 2886281841 | 0 |
| 172.9.42.114 | 2886281842 | 0 |
| 172.9.42.115 | 2886281843 | 0 |
| 172.9.42.116 | 2886281844 | 0 |
| 172.9.42.117 | 2886281845 | 0 |
| 172.9.42.118 | 2886281846 | 0 |
| 172.9.42.119 | 2886281847 | 0 |
| 172.9.42.120 | 2886281848 | 0 |
| 172.9.42.121 | 2886281849 | 0 |
| 172.9.42.122 | 2886281850 | 0 |
| 172.9.42.123 | 2886281851 | 0 |
| 172.9.42.124 | 2886281852 | 0 |
| 172.9.42.125 | 2886281853 | 0 |
| 172.9.42.126 | 2886281854 | 0 |
| 172.9.42.127 | 2886281855 | 0 |
| 172.9.42.128 | 2886281856 | 0 |
| 172.9.42.129 | 2886281857 | 0 |
| 172.9.42.130 | 2886281858 | 0 |
| 172.9.42.131 | 2886281859 | 0 |
| 172.9.42.132 | 2886281860 | 0 |
| 172.9.42.133 | 2886281861 | 0 |
| 172.9.42.134 | 2886281862 | 0 |
| 172.9.42.135 | 2886281863 | 0 |
| 172.9.42.136 | 2886281864 | 0 |
| 172.9.42.137 | 2886281865 | 0 |
| 172.9.42.138 | 2886281866 | 0 |
| 172.9.42.139 | 2886281867 | 0 |
| 172.9.42.140 | 2886281868 | 0 |
| 172.9.42.141 | 2886281869 | 0 |
| 172.9.42.142 | 2886281870 | 0 |
| 172.9.42.143 | 2886281871 | 0 |
| 172.9.42.144 | 2886281872 | 0 |
| 172.9.42.145 | 2886281873 | 0 |
| 172.9.42.146 | 2886281874 | 0 |
| 172.9.42.147 | 2886281875 | 0 |
| 172.9.42.148 | 2886281876 | 0 |
| 172.9.42.149 | 2886281877 | 0 |
| 172.9.42.150 | 2886281878 | 0 |
| 172.9.42.151 | 2886281879 | 0 |
| 172.9.42.152 | 2886281880 | 0 |
| 172.9.42.153 | 2886281881 | 0 |
| 172.9.42.154 | 2886281882 | 0 |
| 172.9.42.155 | 2886281883 | 0 |
| 172.9.42.156 | 2886281884 | 0 |
| 172.9.42.157 | 2886281885 | 0 |
| 172.9.42.158 | 2886281886 | 0 |
| 172.9.42.159 | 2886281887 | 0 |
| 172.9.42.160 | 2886281888 | 0 |
| 172.9.42.161 | 2886281889 | 0 |
| 172.9.42.162 | 2886281890 | 0 |
| 172.9.42.163 | 2886281891 | 0 |
| 172.9.42.164 | 2886281892 | 0 |
| 172.9.42.165 | 2886281893 | 0 |
| 172.9.42.166 | 2886281894 | 0 |
| 172.9.42.167 | 2886281895 | 0 |
| 172.9.42.168 | 2886281896 | 0 |
| 172.9.42.169 | 2886281897 | 0 |
| 172.9.42.170 | 2886281898 | 0 |
| 172.9.42.171 | 2886281899 | 0 |
| IP | Numerical IP | DNS |
| 172.9.42.172 | 2886281900 | 0 |
| 172.9.42.173 | 2886281901 | 0 |
| 172.9.42.174 | 2886281902 | 0 |
| 172.9.42.175 | 2886281903 | 0 |
| 172.9.42.176 | 2886281904 | 0 |
| 172.9.42.177 | 2886281905 | 0 |
| 172.9.42.178 | 2886281906 | 0 |
| 172.9.42.179 | 2886281907 | 0 |
| 172.9.42.180 | 2886281908 | 0 |
| 172.9.42.181 | 2886281909 | 0 |
| 172.9.42.182 | 2886281910 | 0 |
| 172.9.42.183 | 2886281911 | 0 |
| 172.9.42.184 | 2886281912 | 0 |
| 172.9.42.185 | 2886281913 | 0 |
| 172.9.42.186 | 2886281914 | 0 |
| 172.9.42.187 | 2886281915 | 0 |
| 172.9.42.188 | 2886281916 | 0 |
| 172.9.42.189 | 2886281917 | 0 |
| 172.9.42.190 | 2886281918 | 0 |
| 172.9.42.191 | 2886281919 | 0 |
| 172.9.42.192 | 2886281920 | 0 |
| 172.9.42.193 | 2886281921 | 0 |
| 172.9.42.194 | 2886281922 | 0 |
| 172.9.42.195 | 2886281923 | 0 |
| 172.9.42.196 | 2886281924 | 0 |
| 172.9.42.197 | 2886281925 | 0 |
| 172.9.42.198 | 2886281926 | 0 |
| 172.9.42.199 | 2886281927 | 0 |
| 172.9.42.200 | 2886281928 | 0 |
| 172.9.42.201 | 2886281929 | 0 |
| 172.9.42.202 | 2886281930 | 0 |
| 172.9.42.203 | 2886281931 | 0 |
| 172.9.42.204 | 2886281932 | 0 |
| 172.9.42.205 | 2886281933 | 0 |
| 172.9.42.206 | 2886281934 | 0 |
| 172.9.42.207 | 2886281935 | 0 |
| 172.9.42.208 | 2886281936 | 0 |
| 172.9.42.209 | 2886281937 | 0 |
| 172.9.42.210 | 2886281938 | 0 |
| 172.9.42.211 | 2886281939 | 0 |
| 172.9.42.212 | 2886281940 | 0 |
| 172.9.42.213 | 2886281941 | 0 |
| 172.9.42.214 | 2886281942 | 0 |
| 172.9.42.215 | 2886281943 | 0 |
| 172.9.42.216 | 2886281944 | 0 |
| 172.9.42.217 | 2886281945 | 0 |
| 172.9.42.218 | 2886281946 | 0 |
| 172.9.42.219 | 2886281947 | 0 |
| 172.9.42.220 | 2886281948 | 0 |
| 172.9.42.221 | 2886281949 | 0 |
| 172.9.42.222 | 2886281950 | 0 |
| 172.9.42.223 | 2886281951 | 0 |
| 172.9.42.224 | 2886281952 | 0 |
| 172.9.42.225 | 2886281953 | 0 |
| 172.9.42.226 | 2886281954 | 0 |
| 172.9.42.227 | 2886281955 | 0 |
| 172.9.42.228 | 2886281956 | 0 |
| 172.9.42.229 | 2886281957 | 0 |
| 172.9.42.230 | 2886281958 | 0 |
| 172.9.42.231 | 2886281959 | 0 |
| 172.9.42.232 | 2886281960 | 0 |
| 172.9.42.233 | 2886281961 | 0 |
| 172.9.42.234 | 2886281962 | 0 |
| 172.9.42.235 | 2886281963 | 0 |
| 172.9.42.236 | 2886281964 | 0 |
| 172.9.42.237 | 2886281965 | 0 |
| 172.9.42.238 | 2886281966 | 0 |
| 172.9.42.239 | 2886281967 | 0 |
| 172.9.42.240 | 2886281968 | 0 |
| 172.9.42.241 | 2886281969 | 0 |
| 172.9.42.242 | 2886281970 | 0 |
| 172.9.42.243 | 2886281971 | 0 |
| 172.9.42.244 | 2886281972 | 0 |
| 172.9.42.245 | 2886281973 | 0 |
| 172.9.42.246 | 2886281974 | 0 |
| 172.9.42.247 | 2886281975 | 0 |
| 172.9.42.248 | 2886281976 | 0 |
| 172.9.42.249 | 2886281977 | 0 |
| 172.9.42.250 | 2886281978 | 0 |
| 172.9.42.251 | 2886281979 | 0 |
| 172.9.42.252 | 2886281980 | 0 |
| 172.9.42.253 | 2886281981 | 0 |
| 172.9.42.254 | 2886281982 | 0 |
| 172.9.42.255 | 2886281983 | 0 |