L'indirizzo IP 99.21.21 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 99.16.0.0/12, IP tra 99.16.0.0 a 99.31.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 99.16.0.0 |
| IP finale con | 99.31.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 99.16.0.0/12 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 01/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Lee's Summit | 38,9108 | -94,3822 | 2017-08-01 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-08-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.21.21.0 | 1662326016 | 0 |
| 99.21.21.1 | 1662326017 | 0 |
| 99.21.21.2 | 1662326018 | 0 |
| 99.21.21.3 | 1662326019 | 0 |
| 99.21.21.4 | 1662326020 | 0 |
| 99.21.21.5 | 1662326021 | 0 |
| 99.21.21.6 | 1662326022 | 0 |
| 99.21.21.7 | 1662326023 | 0 |
| 99.21.21.8 | 1662326024 | 0 |
| 99.21.21.9 | 1662326025 | 0 |
| 99.21.21.10 | 1662326026 | 0 |
| 99.21.21.11 | 1662326027 | 0 |
| 99.21.21.12 | 1662326028 | 0 |
| 99.21.21.13 | 1662326029 | 0 |
| 99.21.21.14 | 1662326030 | 0 |
| 99.21.21.15 | 1662326031 | 0 |
| 99.21.21.16 | 1662326032 | 0 |
| 99.21.21.17 | 1662326033 | 0 |
| 99.21.21.18 | 1662326034 | 0 |
| 99.21.21.19 | 1662326035 | 0 |
| 99.21.21.20 | 1662326036 | 0 |
| 99.21.21.21 | 1662326037 | 0 |
| 99.21.21.22 | 1662326038 | 0 |
| 99.21.21.23 | 1662326039 | 0 |
| 99.21.21.24 | 1662326040 | 0 |
| 99.21.21.25 | 1662326041 | 0 |
| 99.21.21.26 | 1662326042 | 0 |
| 99.21.21.27 | 1662326043 | 0 |
| 99.21.21.28 | 1662326044 | 0 |
| 99.21.21.29 | 1662326045 | 0 |
| 99.21.21.30 | 1662326046 | 0 |
| 99.21.21.31 | 1662326047 | 0 |
| 99.21.21.32 | 1662326048 | 0 |
| 99.21.21.33 | 1662326049 | 0 |
| 99.21.21.34 | 1662326050 | 0 |
| 99.21.21.35 | 1662326051 | 0 |
| 99.21.21.36 | 1662326052 | 0 |
| 99.21.21.37 | 1662326053 | 0 |
| 99.21.21.38 | 1662326054 | 0 |
| 99.21.21.39 | 1662326055 | 0 |
| 99.21.21.40 | 1662326056 | 0 |
| 99.21.21.41 | 1662326057 | 0 |
| 99.21.21.42 | 1662326058 | 0 |
| 99.21.21.43 | 1662326059 | 0 |
| 99.21.21.44 | 1662326060 | 0 |
| 99.21.21.45 | 1662326061 | 0 |
| 99.21.21.46 | 1662326062 | 0 |
| 99.21.21.47 | 1662326063 | 0 |
| 99.21.21.48 | 1662326064 | 0 |
| 99.21.21.49 | 1662326065 | 0 |
| 99.21.21.50 | 1662326066 | 0 |
| 99.21.21.51 | 1662326067 | 0 |
| 99.21.21.52 | 1662326068 | 0 |
| 99.21.21.53 | 1662326069 | 0 |
| 99.21.21.54 | 1662326070 | 0 |
| 99.21.21.55 | 1662326071 | 0 |
| 99.21.21.56 | 1662326072 | 0 |
| 99.21.21.57 | 1662326073 | 0 |
| 99.21.21.58 | 1662326074 | 0 |
| 99.21.21.59 | 1662326075 | 0 |
| 99.21.21.60 | 1662326076 | 0 |
| 99.21.21.61 | 1662326077 | 0 |
| 99.21.21.62 | 1662326078 | 0 |
| 99.21.21.63 | 1662326079 | 0 |
| 99.21.21.64 | 1662326080 | 0 |
| 99.21.21.65 | 1662326081 | 0 |
| 99.21.21.66 | 1662326082 | 0 |
| 99.21.21.67 | 1662326083 | 0 |
| 99.21.21.68 | 1662326084 | 0 |
| 99.21.21.69 | 1662326085 | 0 |
| 99.21.21.70 | 1662326086 | 0 |
| 99.21.21.71 | 1662326087 | 0 |
| 99.21.21.72 | 1662326088 | 0 |
| 99.21.21.73 | 1662326089 | 0 |
| 99.21.21.74 | 1662326090 | 0 |
| 99.21.21.75 | 1662326091 | 0 |
| 99.21.21.76 | 1662326092 | 0 |
| 99.21.21.77 | 1662326093 | 0 |
| 99.21.21.78 | 1662326094 | 0 |
| 99.21.21.79 | 1662326095 | 0 |
| 99.21.21.80 | 1662326096 | 0 |
| 99.21.21.81 | 1662326097 | 0 |
| 99.21.21.82 | 1662326098 | 0 |
| 99.21.21.83 | 1662326099 | 0 |
| 99.21.21.84 | 1662326100 | 0 |
| 99.21.21.85 | 1662326101 | 0 |
| IP | Numerical IP | DNS |
| 99.21.21.86 | 1662326102 | 0 |
| 99.21.21.87 | 1662326103 | 0 |
| 99.21.21.88 | 1662326104 | 0 |
| 99.21.21.89 | 1662326105 | 0 |
| 99.21.21.90 | 1662326106 | 0 |
| 99.21.21.91 | 1662326107 | 0 |
| 99.21.21.92 | 1662326108 | 0 |
| 99.21.21.93 | 1662326109 | 0 |
| 99.21.21.94 | 1662326110 | 0 |
| 99.21.21.95 | 1662326111 | 0 |
| 99.21.21.96 | 1662326112 | 0 |
| 99.21.21.97 | 1662326113 | 0 |
| 99.21.21.98 | 1662326114 | 0 |
| 99.21.21.99 | 1662326115 | 0 |
| 99.21.21.100 | 1662326116 | 0 |
| 99.21.21.101 | 1662326117 | 0 |
| 99.21.21.102 | 1662326118 | 0 |
| 99.21.21.103 | 1662326119 | 0 |
| 99.21.21.104 | 1662326120 | 0 |
| 99.21.21.105 | 1662326121 | 0 |
| 99.21.21.106 | 1662326122 | 0 |
| 99.21.21.107 | 1662326123 | 0 |
| 99.21.21.108 | 1662326124 | 0 |
| 99.21.21.109 | 1662326125 | 0 |
| 99.21.21.110 | 1662326126 | 0 |
| 99.21.21.111 | 1662326127 | 0 |
| 99.21.21.112 | 1662326128 | 0 |
| 99.21.21.113 | 1662326129 | 0 |
| 99.21.21.114 | 1662326130 | 0 |
| 99.21.21.115 | 1662326131 | 0 |
| 99.21.21.116 | 1662326132 | 0 |
| 99.21.21.117 | 1662326133 | 0 |
| 99.21.21.118 | 1662326134 | 0 |
| 99.21.21.119 | 1662326135 | 0 |
| 99.21.21.120 | 1662326136 | 0 |
| 99.21.21.121 | 1662326137 | 0 |
| 99.21.21.122 | 1662326138 | 0 |
| 99.21.21.123 | 1662326139 | 0 |
| 99.21.21.124 | 1662326140 | 0 |
| 99.21.21.125 | 1662326141 | 0 |
| 99.21.21.126 | 1662326142 | 0 |
| 99.21.21.127 | 1662326143 | 0 |
| 99.21.21.128 | 1662326144 | 0 |
| 99.21.21.129 | 1662326145 | 0 |
| 99.21.21.130 | 1662326146 | 0 |
| 99.21.21.131 | 1662326147 | 0 |
| 99.21.21.132 | 1662326148 | 0 |
| 99.21.21.133 | 1662326149 | 0 |
| 99.21.21.134 | 1662326150 | 0 |
| 99.21.21.135 | 1662326151 | 0 |
| 99.21.21.136 | 1662326152 | 0 |
| 99.21.21.137 | 1662326153 | 0 |
| 99.21.21.138 | 1662326154 | 0 |
| 99.21.21.139 | 1662326155 | 0 |
| 99.21.21.140 | 1662326156 | 0 |
| 99.21.21.141 | 1662326157 | 0 |
| 99.21.21.142 | 1662326158 | 0 |
| 99.21.21.143 | 1662326159 | 0 |
| 99.21.21.144 | 1662326160 | 0 |
| 99.21.21.145 | 1662326161 | 0 |
| 99.21.21.146 | 1662326162 | 0 |
| 99.21.21.147 | 1662326163 | 0 |
| 99.21.21.148 | 1662326164 | 0 |
| 99.21.21.149 | 1662326165 | 0 |
| 99.21.21.150 | 1662326166 | 0 |
| 99.21.21.151 | 1662326167 | 0 |
| 99.21.21.152 | 1662326168 | 0 |
| 99.21.21.153 | 1662326169 | 0 |
| 99.21.21.154 | 1662326170 | 0 |
| 99.21.21.155 | 1662326171 | 0 |
| 99.21.21.156 | 1662326172 | 0 |
| 99.21.21.157 | 1662326173 | 0 |
| 99.21.21.158 | 1662326174 | 0 |
| 99.21.21.159 | 1662326175 | 0 |
| 99.21.21.160 | 1662326176 | 0 |
| 99.21.21.161 | 1662326177 | 0 |
| 99.21.21.162 | 1662326178 | 0 |
| 99.21.21.163 | 1662326179 | 0 |
| 99.21.21.164 | 1662326180 | 0 |
| 99.21.21.165 | 1662326181 | 0 |
| 99.21.21.166 | 1662326182 | 0 |
| 99.21.21.167 | 1662326183 | 0 |
| 99.21.21.168 | 1662326184 | 0 |
| 99.21.21.169 | 1662326185 | 0 |
| 99.21.21.170 | 1662326186 | 0 |
| 99.21.21.171 | 1662326187 | 0 |
| IP | Numerical IP | DNS |
| 99.21.21.172 | 1662326188 | 0 |
| 99.21.21.173 | 1662326189 | 0 |
| 99.21.21.174 | 1662326190 | 0 |
| 99.21.21.175 | 1662326191 | 0 |
| 99.21.21.176 | 1662326192 | 0 |
| 99.21.21.177 | 1662326193 | 0 |
| 99.21.21.178 | 1662326194 | 0 |
| 99.21.21.179 | 1662326195 | 0 |
| 99.21.21.180 | 1662326196 | 0 |
| 99.21.21.181 | 1662326197 | 0 |
| 99.21.21.182 | 1662326198 | 0 |
| 99.21.21.183 | 1662326199 | 0 |
| 99.21.21.184 | 1662326200 | 0 |
| 99.21.21.185 | 1662326201 | 0 |
| 99.21.21.186 | 1662326202 | 0 |
| 99.21.21.187 | 1662326203 | 0 |
| 99.21.21.188 | 1662326204 | 0 |
| 99.21.21.189 | 1662326205 | 0 |
| 99.21.21.190 | 1662326206 | 0 |
| 99.21.21.191 | 1662326207 | 0 |
| 99.21.21.192 | 1662326208 | 0 |
| 99.21.21.193 | 1662326209 | 0 |
| 99.21.21.194 | 1662326210 | 0 |
| 99.21.21.195 | 1662326211 | 0 |
| 99.21.21.196 | 1662326212 | 0 |
| 99.21.21.197 | 1662326213 | 0 |
| 99.21.21.198 | 1662326214 | 0 |
| 99.21.21.199 | 1662326215 | 0 |
| 99.21.21.200 | 1662326216 | 0 |
| 99.21.21.201 | 1662326217 | 0 |
| 99.21.21.202 | 1662326218 | 0 |
| 99.21.21.203 | 1662326219 | 0 |
| 99.21.21.204 | 1662326220 | 0 |
| 99.21.21.205 | 1662326221 | 0 |
| 99.21.21.206 | 1662326222 | 0 |
| 99.21.21.207 | 1662326223 | 0 |
| 99.21.21.208 | 1662326224 | 0 |
| 99.21.21.209 | 1662326225 | 0 |
| 99.21.21.210 | 1662326226 | 0 |
| 99.21.21.211 | 1662326227 | 0 |
| 99.21.21.212 | 1662326228 | 0 |
| 99.21.21.213 | 1662326229 | 0 |
| 99.21.21.214 | 1662326230 | 0 |
| 99.21.21.215 | 1662326231 | 0 |
| 99.21.21.216 | 1662326232 | 0 |
| 99.21.21.217 | 1662326233 | 0 |
| 99.21.21.218 | 1662326234 | 0 |
| 99.21.21.219 | 1662326235 | 0 |
| 99.21.21.220 | 1662326236 | 0 |
| 99.21.21.221 | 1662326237 | 0 |
| 99.21.21.222 | 1662326238 | 0 |
| 99.21.21.223 | 1662326239 | 0 |
| 99.21.21.224 | 1662326240 | 0 |
| 99.21.21.225 | 1662326241 | 0 |
| 99.21.21.226 | 1662326242 | 0 |
| 99.21.21.227 | 1662326243 | 0 |
| 99.21.21.228 | 1662326244 | 0 |
| 99.21.21.229 | 1662326245 | 0 |
| 99.21.21.230 | 1662326246 | 0 |
| 99.21.21.231 | 1662326247 | 0 |
| 99.21.21.232 | 1662326248 | 0 |
| 99.21.21.233 | 1662326249 | 0 |
| 99.21.21.234 | 1662326250 | 0 |
| 99.21.21.235 | 1662326251 | 0 |
| 99.21.21.236 | 1662326252 | 0 |
| 99.21.21.237 | 1662326253 | 0 |
| 99.21.21.238 | 1662326254 | 0 |
| 99.21.21.239 | 1662326255 | 0 |
| 99.21.21.240 | 1662326256 | 0 |
| 99.21.21.241 | 1662326257 | 0 |
| 99.21.21.242 | 1662326258 | 0 |
| 99.21.21.243 | 1662326259 | 0 |
| 99.21.21.244 | 1662326260 | 0 |
| 99.21.21.245 | 1662326261 | 0 |
| 99.21.21.246 | 1662326262 | 0 |
| 99.21.21.247 | 1662326263 | 0 |
| 99.21.21.248 | 1662326264 | 0 |
| 99.21.21.249 | 1662326265 | 0 |
| 99.21.21.250 | 1662326266 | 0 |
| 99.21.21.251 | 1662326267 | 0 |
| 99.21.21.252 | 1662326268 | 0 |
| 99.21.21.253 | 1662326269 | 0 |
| 99.21.21.254 | 1662326270 | 0 |
| 99.21.21.255 | 1662326271 | 0 |