L'indirizzo IP 166.3.21 è fornito da USDA, che è di proprietà del CIDR (Classless Inter-Domain Routing) 166.2.0.0/15, IP tra 166.2.0.0 a 166.3.255.255 ). Il numero di sistema autonomo (ASN) è 4152.
| ASN | 4152 |
| IP inizia con | 166.2.0.0 |
| IP finale con | 166.3.255.255 |
| ASN Nome | USDA |
| CDIR | 166.2.0.0/15 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 24/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Washington | 38,8775 | -77,018 | 2017-09-24 |
| MaxMind | US | United States | - | Prescott | 34,4907 | -112,4461 | 2017-09-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.3.21.0 | 2785219840 | 0 |
| 166.3.21.1 | 2785219841 | 0 |
| 166.3.21.2 | 2785219842 | 0 |
| 166.3.21.3 | 2785219843 | 0 |
| 166.3.21.4 | 2785219844 | 0 |
| 166.3.21.5 | 2785219845 | 0 |
| 166.3.21.6 | 2785219846 | 0 |
| 166.3.21.7 | 2785219847 | 0 |
| 166.3.21.8 | 2785219848 | 0 |
| 166.3.21.9 | 2785219849 | 0 |
| 166.3.21.10 | 2785219850 | 0 |
| 166.3.21.11 | 2785219851 | 0 |
| 166.3.21.12 | 2785219852 | 0 |
| 166.3.21.13 | 2785219853 | 0 |
| 166.3.21.14 | 2785219854 | 0 |
| 166.3.21.15 | 2785219855 | 0 |
| 166.3.21.16 | 2785219856 | 0 |
| 166.3.21.17 | 2785219857 | 0 |
| 166.3.21.18 | 2785219858 | 0 |
| 166.3.21.19 | 2785219859 | 0 |
| 166.3.21.20 | 2785219860 | 0 |
| 166.3.21.21 | 2785219861 | 0 |
| 166.3.21.22 | 2785219862 | 0 |
| 166.3.21.23 | 2785219863 | 0 |
| 166.3.21.24 | 2785219864 | 0 |
| 166.3.21.25 | 2785219865 | 0 |
| 166.3.21.26 | 2785219866 | 0 |
| 166.3.21.27 | 2785219867 | 0 |
| 166.3.21.28 | 2785219868 | 0 |
| 166.3.21.29 | 2785219869 | 0 |
| 166.3.21.30 | 2785219870 | 0 |
| 166.3.21.31 | 2785219871 | 0 |
| 166.3.21.32 | 2785219872 | 0 |
| 166.3.21.33 | 2785219873 | 0 |
| 166.3.21.34 | 2785219874 | 0 |
| 166.3.21.35 | 2785219875 | 0 |
| 166.3.21.36 | 2785219876 | 0 |
| 166.3.21.37 | 2785219877 | 0 |
| 166.3.21.38 | 2785219878 | 0 |
| 166.3.21.39 | 2785219879 | 0 |
| 166.3.21.40 | 2785219880 | 0 |
| 166.3.21.41 | 2785219881 | 0 |
| 166.3.21.42 | 2785219882 | 0 |
| 166.3.21.43 | 2785219883 | 0 |
| 166.3.21.44 | 2785219884 | 0 |
| 166.3.21.45 | 2785219885 | 0 |
| 166.3.21.46 | 2785219886 | 0 |
| 166.3.21.47 | 2785219887 | 0 |
| 166.3.21.48 | 2785219888 | 0 |
| 166.3.21.49 | 2785219889 | 0 |
| 166.3.21.50 | 2785219890 | 0 |
| 166.3.21.51 | 2785219891 | 0 |
| 166.3.21.52 | 2785219892 | 0 |
| 166.3.21.53 | 2785219893 | 0 |
| 166.3.21.54 | 2785219894 | 0 |
| 166.3.21.55 | 2785219895 | 0 |
| 166.3.21.56 | 2785219896 | 0 |
| 166.3.21.57 | 2785219897 | 0 |
| 166.3.21.58 | 2785219898 | 0 |
| 166.3.21.59 | 2785219899 | 0 |
| 166.3.21.60 | 2785219900 | 0 |
| 166.3.21.61 | 2785219901 | 0 |
| 166.3.21.62 | 2785219902 | 0 |
| 166.3.21.63 | 2785219903 | 0 |
| 166.3.21.64 | 2785219904 | 0 |
| 166.3.21.65 | 2785219905 | 0 |
| 166.3.21.66 | 2785219906 | 0 |
| 166.3.21.67 | 2785219907 | 0 |
| 166.3.21.68 | 2785219908 | 0 |
| 166.3.21.69 | 2785219909 | 0 |
| 166.3.21.70 | 2785219910 | 0 |
| 166.3.21.71 | 2785219911 | 0 |
| 166.3.21.72 | 2785219912 | 0 |
| 166.3.21.73 | 2785219913 | 0 |
| 166.3.21.74 | 2785219914 | 0 |
| 166.3.21.75 | 2785219915 | 0 |
| 166.3.21.76 | 2785219916 | 0 |
| 166.3.21.77 | 2785219917 | 0 |
| 166.3.21.78 | 2785219918 | 0 |
| 166.3.21.79 | 2785219919 | 0 |
| 166.3.21.80 | 2785219920 | 0 |
| 166.3.21.81 | 2785219921 | 0 |
| 166.3.21.82 | 2785219922 | 0 |
| 166.3.21.83 | 2785219923 | 0 |
| 166.3.21.84 | 2785219924 | 0 |
| 166.3.21.85 | 2785219925 | 0 |
| IP | Numerical IP | DNS |
| 166.3.21.86 | 2785219926 | 0 |
| 166.3.21.87 | 2785219927 | 0 |
| 166.3.21.88 | 2785219928 | 0 |
| 166.3.21.89 | 2785219929 | 0 |
| 166.3.21.90 | 2785219930 | 0 |
| 166.3.21.91 | 2785219931 | 0 |
| 166.3.21.92 | 2785219932 | 0 |
| 166.3.21.93 | 2785219933 | 0 |
| 166.3.21.94 | 2785219934 | 0 |
| 166.3.21.95 | 2785219935 | 0 |
| 166.3.21.96 | 2785219936 | 0 |
| 166.3.21.97 | 2785219937 | 0 |
| 166.3.21.98 | 2785219938 | 0 |
| 166.3.21.99 | 2785219939 | 0 |
| 166.3.21.100 | 2785219940 | 0 |
| 166.3.21.101 | 2785219941 | 0 |
| 166.3.21.102 | 2785219942 | 0 |
| 166.3.21.103 | 2785219943 | 0 |
| 166.3.21.104 | 2785219944 | 0 |
| 166.3.21.105 | 2785219945 | 0 |
| 166.3.21.106 | 2785219946 | 0 |
| 166.3.21.107 | 2785219947 | 0 |
| 166.3.21.108 | 2785219948 | 0 |
| 166.3.21.109 | 2785219949 | 0 |
| 166.3.21.110 | 2785219950 | 0 |
| 166.3.21.111 | 2785219951 | 0 |
| 166.3.21.112 | 2785219952 | 0 |
| 166.3.21.113 | 2785219953 | 0 |
| 166.3.21.114 | 2785219954 | 0 |
| 166.3.21.115 | 2785219955 | 0 |
| 166.3.21.116 | 2785219956 | 0 |
| 166.3.21.117 | 2785219957 | 0 |
| 166.3.21.118 | 2785219958 | 0 |
| 166.3.21.119 | 2785219959 | 0 |
| 166.3.21.120 | 2785219960 | 0 |
| 166.3.21.121 | 2785219961 | 0 |
| 166.3.21.122 | 2785219962 | 0 |
| 166.3.21.123 | 2785219963 | 0 |
| 166.3.21.124 | 2785219964 | 0 |
| 166.3.21.125 | 2785219965 | 0 |
| 166.3.21.126 | 2785219966 | 0 |
| 166.3.21.127 | 2785219967 | 0 |
| 166.3.21.128 | 2785219968 | 0 |
| 166.3.21.129 | 2785219969 | 0 |
| 166.3.21.130 | 2785219970 | 0 |
| 166.3.21.131 | 2785219971 | 0 |
| 166.3.21.132 | 2785219972 | 0 |
| 166.3.21.133 | 2785219973 | 0 |
| 166.3.21.134 | 2785219974 | 0 |
| 166.3.21.135 | 2785219975 | 0 |
| 166.3.21.136 | 2785219976 | 0 |
| 166.3.21.137 | 2785219977 | 0 |
| 166.3.21.138 | 2785219978 | 0 |
| 166.3.21.139 | 2785219979 | 0 |
| 166.3.21.140 | 2785219980 | 0 |
| 166.3.21.141 | 2785219981 | 0 |
| 166.3.21.142 | 2785219982 | 0 |
| 166.3.21.143 | 2785219983 | 0 |
| 166.3.21.144 | 2785219984 | 0 |
| 166.3.21.145 | 2785219985 | 0 |
| 166.3.21.146 | 2785219986 | 0 |
| 166.3.21.147 | 2785219987 | 0 |
| 166.3.21.148 | 2785219988 | 0 |
| 166.3.21.149 | 2785219989 | 0 |
| 166.3.21.150 | 2785219990 | 0 |
| 166.3.21.151 | 2785219991 | 0 |
| 166.3.21.152 | 2785219992 | 0 |
| 166.3.21.153 | 2785219993 | 0 |
| 166.3.21.154 | 2785219994 | 0 |
| 166.3.21.155 | 2785219995 | 0 |
| 166.3.21.156 | 2785219996 | 0 |
| 166.3.21.157 | 2785219997 | 0 |
| 166.3.21.158 | 2785219998 | 0 |
| 166.3.21.159 | 2785219999 | 0 |
| 166.3.21.160 | 2785220000 | 0 |
| 166.3.21.161 | 2785220001 | 0 |
| 166.3.21.162 | 2785220002 | 0 |
| 166.3.21.163 | 2785220003 | 0 |
| 166.3.21.164 | 2785220004 | 0 |
| 166.3.21.165 | 2785220005 | 0 |
| 166.3.21.166 | 2785220006 | 0 |
| 166.3.21.167 | 2785220007 | 0 |
| 166.3.21.168 | 2785220008 | 0 |
| 166.3.21.169 | 2785220009 | 0 |
| 166.3.21.170 | 2785220010 | 0 |
| 166.3.21.171 | 2785220011 | 0 |
| IP | Numerical IP | DNS |
| 166.3.21.172 | 2785220012 | 0 |
| 166.3.21.173 | 2785220013 | 0 |
| 166.3.21.174 | 2785220014 | 0 |
| 166.3.21.175 | 2785220015 | 0 |
| 166.3.21.176 | 2785220016 | 0 |
| 166.3.21.177 | 2785220017 | 0 |
| 166.3.21.178 | 2785220018 | 0 |
| 166.3.21.179 | 2785220019 | 0 |
| 166.3.21.180 | 2785220020 | 0 |
| 166.3.21.181 | 2785220021 | 0 |
| 166.3.21.182 | 2785220022 | 0 |
| 166.3.21.183 | 2785220023 | 0 |
| 166.3.21.184 | 2785220024 | 0 |
| 166.3.21.185 | 2785220025 | 0 |
| 166.3.21.186 | 2785220026 | 0 |
| 166.3.21.187 | 2785220027 | 0 |
| 166.3.21.188 | 2785220028 | 0 |
| 166.3.21.189 | 2785220029 | 0 |
| 166.3.21.190 | 2785220030 | 0 |
| 166.3.21.191 | 2785220031 | 0 |
| 166.3.21.192 | 2785220032 | 0 |
| 166.3.21.193 | 2785220033 | 0 |
| 166.3.21.194 | 2785220034 | 0 |
| 166.3.21.195 | 2785220035 | 0 |
| 166.3.21.196 | 2785220036 | 0 |
| 166.3.21.197 | 2785220037 | 0 |
| 166.3.21.198 | 2785220038 | 0 |
| 166.3.21.199 | 2785220039 | 0 |
| 166.3.21.200 | 2785220040 | 0 |
| 166.3.21.201 | 2785220041 | 0 |
| 166.3.21.202 | 2785220042 | 0 |
| 166.3.21.203 | 2785220043 | 0 |
| 166.3.21.204 | 2785220044 | 0 |
| 166.3.21.205 | 2785220045 | 0 |
| 166.3.21.206 | 2785220046 | 0 |
| 166.3.21.207 | 2785220047 | 0 |
| 166.3.21.208 | 2785220048 | 0 |
| 166.3.21.209 | 2785220049 | 0 |
| 166.3.21.210 | 2785220050 | 0 |
| 166.3.21.211 | 2785220051 | 0 |
| 166.3.21.212 | 2785220052 | 0 |
| 166.3.21.213 | 2785220053 | 0 |
| 166.3.21.214 | 2785220054 | 0 |
| 166.3.21.215 | 2785220055 | 0 |
| 166.3.21.216 | 2785220056 | 0 |
| 166.3.21.217 | 2785220057 | 0 |
| 166.3.21.218 | 2785220058 | 0 |
| 166.3.21.219 | 2785220059 | 0 |
| 166.3.21.220 | 2785220060 | 0 |
| 166.3.21.221 | 2785220061 | 0 |
| 166.3.21.222 | 2785220062 | 0 |
| 166.3.21.223 | 2785220063 | 0 |
| 166.3.21.224 | 2785220064 | 0 |
| 166.3.21.225 | 2785220065 | 0 |
| 166.3.21.226 | 2785220066 | 0 |
| 166.3.21.227 | 2785220067 | 0 |
| 166.3.21.228 | 2785220068 | 0 |
| 166.3.21.229 | 2785220069 | 0 |
| 166.3.21.230 | 2785220070 | 0 |
| 166.3.21.231 | 2785220071 | 0 |
| 166.3.21.232 | 2785220072 | 0 |
| 166.3.21.233 | 2785220073 | 0 |
| 166.3.21.234 | 2785220074 | 0 |
| 166.3.21.235 | 2785220075 | 0 |
| 166.3.21.236 | 2785220076 | 0 |
| 166.3.21.237 | 2785220077 | 0 |
| 166.3.21.238 | 2785220078 | 0 |
| 166.3.21.239 | 2785220079 | 0 |
| 166.3.21.240 | 2785220080 | 0 |
| 166.3.21.241 | 2785220081 | 0 |
| 166.3.21.242 | 2785220082 | 0 |
| 166.3.21.243 | 2785220083 | 0 |
| 166.3.21.244 | 2785220084 | 0 |
| 166.3.21.245 | 2785220085 | 0 |
| 166.3.21.246 | 2785220086 | 0 |
| 166.3.21.247 | 2785220087 | 0 |
| 166.3.21.248 | 2785220088 | 0 |
| 166.3.21.249 | 2785220089 | 0 |
| 166.3.21.250 | 2785220090 | 0 |
| 166.3.21.251 | 2785220091 | 0 |
| 166.3.21.252 | 2785220092 | 0 |
| 166.3.21.253 | 2785220093 | 0 |
| 166.3.21.254 | 2785220094 | 0 |
| 166.3.21.255 | 2785220095 | 0 |