Les adresses IP débutant par 172.18.4 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, le bloc IP comprant les adresses de 172.0.0.0 à 172.15.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 172.0.0.0 |
| IP se terminant par | 172.15.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 04/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | - | - | - | - | 0 | 0 | 2017-07-03 |
| MaxMind | US | États-Unis | - | Valencia | 34,418 | -118,5662 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.18.4.0 | 2886861824 | 0 |
| 172.18.4.1 | 2886861825 | 0 |
| 172.18.4.2 | 2886861826 | 0 |
| 172.18.4.3 | 2886861827 | 0 |
| 172.18.4.4 | 2886861828 | 0 |
| 172.18.4.5 | 2886861829 | 0 |
| 172.18.4.6 | 2886861830 | 0 |
| 172.18.4.7 | 2886861831 | 0 |
| 172.18.4.8 | 2886861832 | 0 |
| 172.18.4.9 | 2886861833 | 0 |
| 172.18.4.10 | 2886861834 | 0 |
| 172.18.4.11 | 2886861835 | 0 |
| 172.18.4.12 | 2886861836 | 0 |
| 172.18.4.13 | 2886861837 | 0 |
| 172.18.4.14 | 2886861838 | 0 |
| 172.18.4.15 | 2886861839 | 0 |
| 172.18.4.16 | 2886861840 | 0 |
| 172.18.4.17 | 2886861841 | 0 |
| 172.18.4.18 | 2886861842 | 0 |
| 172.18.4.19 | 2886861843 | 0 |
| 172.18.4.20 | 2886861844 | 0 |
| 172.18.4.21 | 2886861845 | 0 |
| 172.18.4.22 | 2886861846 | 0 |
| 172.18.4.23 | 2886861847 | 0 |
| 172.18.4.24 | 2886861848 | 0 |
| 172.18.4.25 | 2886861849 | 0 |
| 172.18.4.26 | 2886861850 | 0 |
| 172.18.4.27 | 2886861851 | 0 |
| 172.18.4.28 | 2886861852 | 0 |
| 172.18.4.29 | 2886861853 | 0 |
| 172.18.4.30 | 2886861854 | 0 |
| 172.18.4.31 | 2886861855 | 0 |
| 172.18.4.32 | 2886861856 | 0 |
| 172.18.4.33 | 2886861857 | 0 |
| 172.18.4.34 | 2886861858 | 0 |
| 172.18.4.35 | 2886861859 | 0 |
| 172.18.4.36 | 2886861860 | 0 |
| 172.18.4.37 | 2886861861 | 0 |
| 172.18.4.38 | 2886861862 | 0 |
| 172.18.4.39 | 2886861863 | 0 |
| 172.18.4.40 | 2886861864 | 0 |
| 172.18.4.41 | 2886861865 | 0 |
| 172.18.4.42 | 2886861866 | 0 |
| 172.18.4.43 | 2886861867 | 0 |
| 172.18.4.44 | 2886861868 | 0 |
| 172.18.4.45 | 2886861869 | 0 |
| 172.18.4.46 | 2886861870 | 0 |
| 172.18.4.47 | 2886861871 | 0 |
| 172.18.4.48 | 2886861872 | 0 |
| 172.18.4.49 | 2886861873 | 0 |
| 172.18.4.50 | 2886861874 | 0 |
| 172.18.4.51 | 2886861875 | 0 |
| 172.18.4.52 | 2886861876 | 0 |
| 172.18.4.53 | 2886861877 | 0 |
| 172.18.4.54 | 2886861878 | 0 |
| 172.18.4.55 | 2886861879 | 0 |
| 172.18.4.56 | 2886861880 | 0 |
| 172.18.4.57 | 2886861881 | 0 |
| 172.18.4.58 | 2886861882 | 0 |
| 172.18.4.59 | 2886861883 | 0 |
| 172.18.4.60 | 2886861884 | 0 |
| 172.18.4.61 | 2886861885 | 0 |
| 172.18.4.62 | 2886861886 | 0 |
| 172.18.4.63 | 2886861887 | 0 |
| 172.18.4.64 | 2886861888 | 0 |
| 172.18.4.65 | 2886861889 | 0 |
| 172.18.4.66 | 2886861890 | 0 |
| 172.18.4.67 | 2886861891 | 0 |
| 172.18.4.68 | 2886861892 | 0 |
| 172.18.4.69 | 2886861893 | 0 |
| 172.18.4.70 | 2886861894 | 0 |
| 172.18.4.71 | 2886861895 | 0 |
| 172.18.4.72 | 2886861896 | 0 |
| 172.18.4.73 | 2886861897 | 0 |
| 172.18.4.74 | 2886861898 | 0 |
| 172.18.4.75 | 2886861899 | 0 |
| 172.18.4.76 | 2886861900 | 0 |
| 172.18.4.77 | 2886861901 | 0 |
| 172.18.4.78 | 2886861902 | 0 |
| 172.18.4.79 | 2886861903 | 0 |
| 172.18.4.80 | 2886861904 | 0 |
| 172.18.4.81 | 2886861905 | 0 |
| 172.18.4.82 | 2886861906 | 0 |
| 172.18.4.83 | 2886861907 | 0 |
| 172.18.4.84 | 2886861908 | 0 |
| 172.18.4.85 | 2886861909 | 0 |
| IP | Numerical IP | DNS |
| 172.18.4.86 | 2886861910 | 0 |
| 172.18.4.87 | 2886861911 | 0 |
| 172.18.4.88 | 2886861912 | 0 |
| 172.18.4.89 | 2886861913 | 0 |
| 172.18.4.90 | 2886861914 | 0 |
| 172.18.4.91 | 2886861915 | 0 |
| 172.18.4.92 | 2886861916 | 0 |
| 172.18.4.93 | 2886861917 | 0 |
| 172.18.4.94 | 2886861918 | 0 |
| 172.18.4.95 | 2886861919 | 0 |
| 172.18.4.96 | 2886861920 | 0 |
| 172.18.4.97 | 2886861921 | 0 |
| 172.18.4.98 | 2886861922 | 0 |
| 172.18.4.99 | 2886861923 | 0 |
| 172.18.4.100 | 2886861924 | 0 |
| 172.18.4.101 | 2886861925 | 0 |
| 172.18.4.102 | 2886861926 | 0 |
| 172.18.4.103 | 2886861927 | 0 |
| 172.18.4.104 | 2886861928 | 0 |
| 172.18.4.105 | 2886861929 | 0 |
| 172.18.4.106 | 2886861930 | 0 |
| 172.18.4.107 | 2886861931 | 0 |
| 172.18.4.108 | 2886861932 | 0 |
| 172.18.4.109 | 2886861933 | 0 |
| 172.18.4.110 | 2886861934 | 0 |
| 172.18.4.111 | 2886861935 | 0 |
| 172.18.4.112 | 2886861936 | 0 |
| 172.18.4.113 | 2886861937 | 0 |
| 172.18.4.114 | 2886861938 | 0 |
| 172.18.4.115 | 2886861939 | 0 |
| 172.18.4.116 | 2886861940 | 0 |
| 172.18.4.117 | 2886861941 | 0 |
| 172.18.4.118 | 2886861942 | 0 |
| 172.18.4.119 | 2886861943 | 0 |
| 172.18.4.120 | 2886861944 | 0 |
| 172.18.4.121 | 2886861945 | 0 |
| 172.18.4.122 | 2886861946 | 0 |
| 172.18.4.123 | 2886861947 | 0 |
| 172.18.4.124 | 2886861948 | 0 |
| 172.18.4.125 | 2886861949 | 0 |
| 172.18.4.126 | 2886861950 | 0 |
| 172.18.4.127 | 2886861951 | 0 |
| 172.18.4.128 | 2886861952 | 0 |
| 172.18.4.129 | 2886861953 | 0 |
| 172.18.4.130 | 2886861954 | 0 |
| 172.18.4.131 | 2886861955 | 0 |
| 172.18.4.132 | 2886861956 | 0 |
| 172.18.4.133 | 2886861957 | 0 |
| 172.18.4.134 | 2886861958 | 0 |
| 172.18.4.135 | 2886861959 | 0 |
| 172.18.4.136 | 2886861960 | 0 |
| 172.18.4.137 | 2886861961 | 0 |
| 172.18.4.138 | 2886861962 | 0 |
| 172.18.4.139 | 2886861963 | 0 |
| 172.18.4.140 | 2886861964 | 0 |
| 172.18.4.141 | 2886861965 | 0 |
| 172.18.4.142 | 2886861966 | 0 |
| 172.18.4.143 | 2886861967 | 0 |
| 172.18.4.144 | 2886861968 | 0 |
| 172.18.4.145 | 2886861969 | 0 |
| 172.18.4.146 | 2886861970 | 0 |
| 172.18.4.147 | 2886861971 | 0 |
| 172.18.4.148 | 2886861972 | 0 |
| 172.18.4.149 | 2886861973 | 0 |
| 172.18.4.150 | 2886861974 | 0 |
| 172.18.4.151 | 2886861975 | 0 |
| 172.18.4.152 | 2886861976 | 0 |
| 172.18.4.153 | 2886861977 | 0 |
| 172.18.4.154 | 2886861978 | 0 |
| 172.18.4.155 | 2886861979 | 0 |
| 172.18.4.156 | 2886861980 | 0 |
| 172.18.4.157 | 2886861981 | 0 |
| 172.18.4.158 | 2886861982 | 0 |
| 172.18.4.159 | 2886861983 | 0 |
| 172.18.4.160 | 2886861984 | 0 |
| 172.18.4.161 | 2886861985 | 0 |
| 172.18.4.162 | 2886861986 | 0 |
| 172.18.4.163 | 2886861987 | 0 |
| 172.18.4.164 | 2886861988 | 0 |
| 172.18.4.165 | 2886861989 | 0 |
| 172.18.4.166 | 2886861990 | 0 |
| 172.18.4.167 | 2886861991 | 0 |
| 172.18.4.168 | 2886861992 | 0 |
| 172.18.4.169 | 2886861993 | 0 |
| 172.18.4.170 | 2886861994 | 0 |
| 172.18.4.171 | 2886861995 | 0 |
| IP | Numerical IP | DNS |
| 172.18.4.172 | 2886861996 | 0 |
| 172.18.4.173 | 2886861997 | 0 |
| 172.18.4.174 | 2886861998 | 0 |
| 172.18.4.175 | 2886861999 | 0 |
| 172.18.4.176 | 2886862000 | 0 |
| 172.18.4.177 | 2886862001 | 0 |
| 172.18.4.178 | 2886862002 | 0 |
| 172.18.4.179 | 2886862003 | 0 |
| 172.18.4.180 | 2886862004 | 0 |
| 172.18.4.181 | 2886862005 | 0 |
| 172.18.4.182 | 2886862006 | 0 |
| 172.18.4.183 | 2886862007 | 0 |
| 172.18.4.184 | 2886862008 | 0 |
| 172.18.4.185 | 2886862009 | 0 |
| 172.18.4.186 | 2886862010 | 0 |
| 172.18.4.187 | 2886862011 | 0 |
| 172.18.4.188 | 2886862012 | 0 |
| 172.18.4.189 | 2886862013 | 0 |
| 172.18.4.190 | 2886862014 | 0 |
| 172.18.4.191 | 2886862015 | 0 |
| 172.18.4.192 | 2886862016 | 0 |
| 172.18.4.193 | 2886862017 | 0 |
| 172.18.4.194 | 2886862018 | 0 |
| 172.18.4.195 | 2886862019 | 0 |
| 172.18.4.196 | 2886862020 | 0 |
| 172.18.4.197 | 2886862021 | 0 |
| 172.18.4.198 | 2886862022 | 0 |
| 172.18.4.199 | 2886862023 | 0 |
| 172.18.4.200 | 2886862024 | 0 |
| 172.18.4.201 | 2886862025 | 0 |
| 172.18.4.202 | 2886862026 | 0 |
| 172.18.4.203 | 2886862027 | 0 |
| 172.18.4.204 | 2886862028 | 0 |
| 172.18.4.205 | 2886862029 | 0 |
| 172.18.4.206 | 2886862030 | 0 |
| 172.18.4.207 | 2886862031 | 0 |
| 172.18.4.208 | 2886862032 | 0 |
| 172.18.4.209 | 2886862033 | 0 |
| 172.18.4.210 | 2886862034 | 0 |
| 172.18.4.211 | 2886862035 | 0 |
| 172.18.4.212 | 2886862036 | 0 |
| 172.18.4.213 | 2886862037 | 0 |
| 172.18.4.214 | 2886862038 | 0 |
| 172.18.4.215 | 2886862039 | 0 |
| 172.18.4.216 | 2886862040 | 0 |
| 172.18.4.217 | 2886862041 | 0 |
| 172.18.4.218 | 2886862042 | 0 |
| 172.18.4.219 | 2886862043 | 0 |
| 172.18.4.220 | 2886862044 | 0 |
| 172.18.4.221 | 2886862045 | 0 |
| 172.18.4.222 | 2886862046 | 0 |
| 172.18.4.223 | 2886862047 | 0 |
| 172.18.4.224 | 2886862048 | 0 |
| 172.18.4.225 | 2886862049 | 0 |
| 172.18.4.226 | 2886862050 | 0 |
| 172.18.4.227 | 2886862051 | 0 |
| 172.18.4.228 | 2886862052 | 0 |
| 172.18.4.229 | 2886862053 | 0 |
| 172.18.4.230 | 2886862054 | 0 |
| 172.18.4.231 | 2886862055 | 0 |
| 172.18.4.232 | 2886862056 | 0 |
| 172.18.4.233 | 2886862057 | 0 |
| 172.18.4.234 | 2886862058 | 0 |
| 172.18.4.235 | 2886862059 | 0 |
| 172.18.4.236 | 2886862060 | 0 |
| 172.18.4.237 | 2886862061 | 0 |
| 172.18.4.238 | 2886862062 | 0 |
| 172.18.4.239 | 2886862063 | 0 |
| 172.18.4.240 | 2886862064 | 0 |
| 172.18.4.241 | 2886862065 | 0 |
| 172.18.4.242 | 2886862066 | 0 |
| 172.18.4.243 | 2886862067 | 0 |
| 172.18.4.244 | 2886862068 | 0 |
| 172.18.4.245 | 2886862069 | 0 |
| 172.18.4.246 | 2886862070 | 0 |
| 172.18.4.247 | 2886862071 | 0 |
| 172.18.4.248 | 2886862072 | 0 |
| 172.18.4.249 | 2886862073 | 0 |
| 172.18.4.250 | 2886862074 | 0 |
| 172.18.4.251 | 2886862075 | 0 |
| 172.18.4.252 | 2886862076 | 0 |
| 172.18.4.253 | 2886862077 | 0 |
| 172.18.4.254 | 2886862078 | 0 |
| 172.18.4.255 | 2886862079 | 0 |