L'indirizzo IP 172.4.3 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 | 30/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Saginaw | 32,8601 | -97,3639 | 2017-07-30 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-07-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.4.3.0 | 2885944064 | 0 |
| 172.4.3.1 | 2885944065 | 0 |
| 172.4.3.2 | 2885944066 | 0 |
| 172.4.3.3 | 2885944067 | 0 |
| 172.4.3.4 | 2885944068 | 0 |
| 172.4.3.5 | 2885944069 | 0 |
| 172.4.3.6 | 2885944070 | 0 |
| 172.4.3.7 | 2885944071 | 0 |
| 172.4.3.8 | 2885944072 | 0 |
| 172.4.3.9 | 2885944073 | 0 |
| 172.4.3.10 | 2885944074 | 0 |
| 172.4.3.11 | 2885944075 | 0 |
| 172.4.3.12 | 2885944076 | 0 |
| 172.4.3.13 | 2885944077 | 0 |
| 172.4.3.14 | 2885944078 | 0 |
| 172.4.3.15 | 2885944079 | 0 |
| 172.4.3.16 | 2885944080 | 0 |
| 172.4.3.17 | 2885944081 | 0 |
| 172.4.3.18 | 2885944082 | 0 |
| 172.4.3.19 | 2885944083 | 0 |
| 172.4.3.20 | 2885944084 | 0 |
| 172.4.3.21 | 2885944085 | 0 |
| 172.4.3.22 | 2885944086 | 0 |
| 172.4.3.23 | 2885944087 | 0 |
| 172.4.3.24 | 2885944088 | 0 |
| 172.4.3.25 | 2885944089 | 0 |
| 172.4.3.26 | 2885944090 | 0 |
| 172.4.3.27 | 2885944091 | 0 |
| 172.4.3.28 | 2885944092 | 0 |
| 172.4.3.29 | 2885944093 | 0 |
| 172.4.3.30 | 2885944094 | 0 |
| 172.4.3.31 | 2885944095 | 0 |
| 172.4.3.32 | 2885944096 | 0 |
| 172.4.3.33 | 2885944097 | 0 |
| 172.4.3.34 | 2885944098 | 0 |
| 172.4.3.35 | 2885944099 | 0 |
| 172.4.3.36 | 2885944100 | 0 |
| 172.4.3.37 | 2885944101 | 0 |
| 172.4.3.38 | 2885944102 | 0 |
| 172.4.3.39 | 2885944103 | 0 |
| 172.4.3.40 | 2885944104 | 0 |
| 172.4.3.41 | 2885944105 | 0 |
| 172.4.3.42 | 2885944106 | 0 |
| 172.4.3.43 | 2885944107 | 0 |
| 172.4.3.44 | 2885944108 | 0 |
| 172.4.3.45 | 2885944109 | 0 |
| 172.4.3.46 | 2885944110 | 0 |
| 172.4.3.47 | 2885944111 | 0 |
| 172.4.3.48 | 2885944112 | 0 |
| 172.4.3.49 | 2885944113 | 0 |
| 172.4.3.50 | 2885944114 | 0 |
| 172.4.3.51 | 2885944115 | 0 |
| 172.4.3.52 | 2885944116 | 0 |
| 172.4.3.53 | 2885944117 | 0 |
| 172.4.3.54 | 2885944118 | 0 |
| 172.4.3.55 | 2885944119 | 0 |
| 172.4.3.56 | 2885944120 | 0 |
| 172.4.3.57 | 2885944121 | 0 |
| 172.4.3.58 | 2885944122 | 0 |
| 172.4.3.59 | 2885944123 | 0 |
| 172.4.3.60 | 2885944124 | 0 |
| 172.4.3.61 | 2885944125 | 0 |
| 172.4.3.62 | 2885944126 | 0 |
| 172.4.3.63 | 2885944127 | 0 |
| 172.4.3.64 | 2885944128 | 0 |
| 172.4.3.65 | 2885944129 | 0 |
| 172.4.3.66 | 2885944130 | 0 |
| 172.4.3.67 | 2885944131 | 0 |
| 172.4.3.68 | 2885944132 | 0 |
| 172.4.3.69 | 2885944133 | 0 |
| 172.4.3.70 | 2885944134 | 0 |
| 172.4.3.71 | 2885944135 | 0 |
| 172.4.3.72 | 2885944136 | 0 |
| 172.4.3.73 | 2885944137 | 0 |
| 172.4.3.74 | 2885944138 | 0 |
| 172.4.3.75 | 2885944139 | 0 |
| 172.4.3.76 | 2885944140 | 0 |
| 172.4.3.77 | 2885944141 | 0 |
| 172.4.3.78 | 2885944142 | 0 |
| 172.4.3.79 | 2885944143 | 0 |
| 172.4.3.80 | 2885944144 | 0 |
| 172.4.3.81 | 2885944145 | 0 |
| 172.4.3.82 | 2885944146 | 0 |
| 172.4.3.83 | 2885944147 | 0 |
| 172.4.3.84 | 2885944148 | 0 |
| 172.4.3.85 | 2885944149 | 0 |
| IP | Numerical IP | DNS |
| 172.4.3.86 | 2885944150 | 0 |
| 172.4.3.87 | 2885944151 | 0 |
| 172.4.3.88 | 2885944152 | 0 |
| 172.4.3.89 | 2885944153 | 0 |
| 172.4.3.90 | 2885944154 | 0 |
| 172.4.3.91 | 2885944155 | 0 |
| 172.4.3.92 | 2885944156 | 0 |
| 172.4.3.93 | 2885944157 | 0 |
| 172.4.3.94 | 2885944158 | 0 |
| 172.4.3.95 | 2885944159 | 0 |
| 172.4.3.96 | 2885944160 | 0 |
| 172.4.3.97 | 2885944161 | 0 |
| 172.4.3.98 | 2885944162 | 0 |
| 172.4.3.99 | 2885944163 | 0 |
| 172.4.3.100 | 2885944164 | 0 |
| 172.4.3.101 | 2885944165 | 0 |
| 172.4.3.102 | 2885944166 | 0 |
| 172.4.3.103 | 2885944167 | 0 |
| 172.4.3.104 | 2885944168 | 0 |
| 172.4.3.105 | 2885944169 | 0 |
| 172.4.3.106 | 2885944170 | 0 |
| 172.4.3.107 | 2885944171 | 0 |
| 172.4.3.108 | 2885944172 | 0 |
| 172.4.3.109 | 2885944173 | 0 |
| 172.4.3.110 | 2885944174 | 0 |
| 172.4.3.111 | 2885944175 | 0 |
| 172.4.3.112 | 2885944176 | 0 |
| 172.4.3.113 | 2885944177 | 0 |
| 172.4.3.114 | 2885944178 | 0 |
| 172.4.3.115 | 2885944179 | 0 |
| 172.4.3.116 | 2885944180 | 0 |
| 172.4.3.117 | 2885944181 | 0 |
| 172.4.3.118 | 2885944182 | 0 |
| 172.4.3.119 | 2885944183 | 0 |
| 172.4.3.120 | 2885944184 | 0 |
| 172.4.3.121 | 2885944185 | 0 |
| 172.4.3.122 | 2885944186 | 0 |
| 172.4.3.123 | 2885944187 | 0 |
| 172.4.3.124 | 2885944188 | 0 |
| 172.4.3.125 | 2885944189 | 0 |
| 172.4.3.126 | 2885944190 | 0 |
| 172.4.3.127 | 2885944191 | 0 |
| 172.4.3.128 | 2885944192 | 0 |
| 172.4.3.129 | 2885944193 | 0 |
| 172.4.3.130 | 2885944194 | 0 |
| 172.4.3.131 | 2885944195 | 0 |
| 172.4.3.132 | 2885944196 | 0 |
| 172.4.3.133 | 2885944197 | 0 |
| 172.4.3.134 | 2885944198 | 0 |
| 172.4.3.135 | 2885944199 | 0 |
| 172.4.3.136 | 2885944200 | 0 |
| 172.4.3.137 | 2885944201 | 0 |
| 172.4.3.138 | 2885944202 | 0 |
| 172.4.3.139 | 2885944203 | 0 |
| 172.4.3.140 | 2885944204 | 0 |
| 172.4.3.141 | 2885944205 | 0 |
| 172.4.3.142 | 2885944206 | 0 |
| 172.4.3.143 | 2885944207 | 0 |
| 172.4.3.144 | 2885944208 | 0 |
| 172.4.3.145 | 2885944209 | 0 |
| 172.4.3.146 | 2885944210 | 0 |
| 172.4.3.147 | 2885944211 | 0 |
| 172.4.3.148 | 2885944212 | 0 |
| 172.4.3.149 | 2885944213 | 0 |
| 172.4.3.150 | 2885944214 | 0 |
| 172.4.3.151 | 2885944215 | 0 |
| 172.4.3.152 | 2885944216 | 0 |
| 172.4.3.153 | 2885944217 | 0 |
| 172.4.3.154 | 2885944218 | 0 |
| 172.4.3.155 | 2885944219 | 0 |
| 172.4.3.156 | 2885944220 | 0 |
| 172.4.3.157 | 2885944221 | 0 |
| 172.4.3.158 | 2885944222 | 0 |
| 172.4.3.159 | 2885944223 | 0 |
| 172.4.3.160 | 2885944224 | 0 |
| 172.4.3.161 | 2885944225 | 0 |
| 172.4.3.162 | 2885944226 | 0 |
| 172.4.3.163 | 2885944227 | 0 |
| 172.4.3.164 | 2885944228 | 0 |
| 172.4.3.165 | 2885944229 | 0 |
| 172.4.3.166 | 2885944230 | 0 |
| 172.4.3.167 | 2885944231 | 0 |
| 172.4.3.168 | 2885944232 | 0 |
| 172.4.3.169 | 2885944233 | 0 |
| 172.4.3.170 | 2885944234 | 0 |
| 172.4.3.171 | 2885944235 | 0 |
| IP | Numerical IP | DNS |
| 172.4.3.172 | 2885944236 | 0 |
| 172.4.3.173 | 2885944237 | 0 |
| 172.4.3.174 | 2885944238 | 0 |
| 172.4.3.175 | 2885944239 | 0 |
| 172.4.3.176 | 2885944240 | 0 |
| 172.4.3.177 | 2885944241 | 0 |
| 172.4.3.178 | 2885944242 | 0 |
| 172.4.3.179 | 2885944243 | 0 |
| 172.4.3.180 | 2885944244 | 0 |
| 172.4.3.181 | 2885944245 | 0 |
| 172.4.3.182 | 2885944246 | 0 |
| 172.4.3.183 | 2885944247 | 0 |
| 172.4.3.184 | 2885944248 | 0 |
| 172.4.3.185 | 2885944249 | 0 |
| 172.4.3.186 | 2885944250 | 0 |
| 172.4.3.187 | 2885944251 | 0 |
| 172.4.3.188 | 2885944252 | 0 |
| 172.4.3.189 | 2885944253 | 0 |
| 172.4.3.190 | 2885944254 | 0 |
| 172.4.3.191 | 2885944255 | 0 |
| 172.4.3.192 | 2885944256 | 0 |
| 172.4.3.193 | 2885944257 | 0 |
| 172.4.3.194 | 2885944258 | 0 |
| 172.4.3.195 | 2885944259 | 0 |
| 172.4.3.196 | 2885944260 | 0 |
| 172.4.3.197 | 2885944261 | 0 |
| 172.4.3.198 | 2885944262 | 0 |
| 172.4.3.199 | 2885944263 | 0 |
| 172.4.3.200 | 2885944264 | 0 |
| 172.4.3.201 | 2885944265 | 0 |
| 172.4.3.202 | 2885944266 | 0 |
| 172.4.3.203 | 2885944267 | 0 |
| 172.4.3.204 | 2885944268 | 0 |
| 172.4.3.205 | 2885944269 | 0 |
| 172.4.3.206 | 2885944270 | 0 |
| 172.4.3.207 | 2885944271 | 0 |
| 172.4.3.208 | 2885944272 | 0 |
| 172.4.3.209 | 2885944273 | 0 |
| 172.4.3.210 | 2885944274 | 0 |
| 172.4.3.211 | 2885944275 | 0 |
| 172.4.3.212 | 2885944276 | 0 |
| 172.4.3.213 | 2885944277 | 0 |
| 172.4.3.214 | 2885944278 | 0 |
| 172.4.3.215 | 2885944279 | 0 |
| 172.4.3.216 | 2885944280 | 0 |
| 172.4.3.217 | 2885944281 | 0 |
| 172.4.3.218 | 2885944282 | 0 |
| 172.4.3.219 | 2885944283 | 0 |
| 172.4.3.220 | 2885944284 | 0 |
| 172.4.3.221 | 2885944285 | 0 |
| 172.4.3.222 | 2885944286 | 0 |
| 172.4.3.223 | 2885944287 | 0 |
| 172.4.3.224 | 2885944288 | 0 |
| 172.4.3.225 | 2885944289 | 0 |
| 172.4.3.226 | 2885944290 | 0 |
| 172.4.3.227 | 2885944291 | 0 |
| 172.4.3.228 | 2885944292 | 0 |
| 172.4.3.229 | 2885944293 | 0 |
| 172.4.3.230 | 2885944294 | 0 |
| 172.4.3.231 | 2885944295 | 0 |
| 172.4.3.232 | 2885944296 | 0 |
| 172.4.3.233 | 2885944297 | 0 |
| 172.4.3.234 | 2885944298 | 0 |
| 172.4.3.235 | 2885944299 | 0 |
| 172.4.3.236 | 2885944300 | 0 |
| 172.4.3.237 | 2885944301 | 0 |
| 172.4.3.238 | 2885944302 | 0 |
| 172.4.3.239 | 2885944303 | 0 |
| 172.4.3.240 | 2885944304 | 0 |
| 172.4.3.241 | 2885944305 | 0 |
| 172.4.3.242 | 2885944306 | 0 |
| 172.4.3.243 | 2885944307 | 0 |
| 172.4.3.244 | 2885944308 | 0 |
| 172.4.3.245 | 2885944309 | 0 |
| 172.4.3.246 | 2885944310 | 0 |
| 172.4.3.247 | 2885944311 | 0 |
| 172.4.3.248 | 2885944312 | 0 |
| 172.4.3.249 | 2885944313 | 0 |
| 172.4.3.250 | 2885944314 | 0 |
| 172.4.3.251 | 2885944315 | 0 |
| 172.4.3.252 | 2885944316 | 0 |
| 172.4.3.253 | 2885944317 | 0 |
| 172.4.3.254 | 2885944318 | 0 |
| 172.4.3.255 | 2885944319 | 0 |