L'indirizzo IP 121.3.9 è fornito da So-net Entertainment Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.2.0.0/15, IP tra 121.2.0.0 a 121.3.255.255 ). Il numero di sistema autonomo (ASN) è 2527.
| ASN | 2527 |
| IP inizia con | 121.2.0.0 |
| IP finale con | 121.3.255.255 |
| ASN Nome | So-net Entertainment Corporation |
| CDIR | 121.2.0.0/15 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 24/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Yokohama | 35,4442 | 139,6381 | 2017-09-24 |
| MaxMind | JP | Japan | - | Matsuda-soryo | 35,3369 | 139,1244 | 2017-09-24 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.3.9.0 | 2030242048 | 0 |
| 121.3.9.1 | 2030242049 | 0 |
| 121.3.9.2 | 2030242050 | 0 |
| 121.3.9.3 | 2030242051 | 0 |
| 121.3.9.4 | 2030242052 | 0 |
| 121.3.9.5 | 2030242053 | 0 |
| 121.3.9.6 | 2030242054 | 0 |
| 121.3.9.7 | 2030242055 | 0 |
| 121.3.9.8 | 2030242056 | 0 |
| 121.3.9.9 | 2030242057 | 0 |
| 121.3.9.10 | 2030242058 | 0 |
| 121.3.9.11 | 2030242059 | 0 |
| 121.3.9.12 | 2030242060 | 0 |
| 121.3.9.13 | 2030242061 | 0 |
| 121.3.9.14 | 2030242062 | 0 |
| 121.3.9.15 | 2030242063 | 0 |
| 121.3.9.16 | 2030242064 | 0 |
| 121.3.9.17 | 2030242065 | 0 |
| 121.3.9.18 | 2030242066 | 0 |
| 121.3.9.19 | 2030242067 | 0 |
| 121.3.9.20 | 2030242068 | 0 |
| 121.3.9.21 | 2030242069 | 0 |
| 121.3.9.22 | 2030242070 | 0 |
| 121.3.9.23 | 2030242071 | 0 |
| 121.3.9.24 | 2030242072 | 0 |
| 121.3.9.25 | 2030242073 | 0 |
| 121.3.9.26 | 2030242074 | 0 |
| 121.3.9.27 | 2030242075 | 0 |
| 121.3.9.28 | 2030242076 | 0 |
| 121.3.9.29 | 2030242077 | 0 |
| 121.3.9.30 | 2030242078 | 0 |
| 121.3.9.31 | 2030242079 | 0 |
| 121.3.9.32 | 2030242080 | 0 |
| 121.3.9.33 | 2030242081 | 0 |
| 121.3.9.34 | 2030242082 | 0 |
| 121.3.9.35 | 2030242083 | 0 |
| 121.3.9.36 | 2030242084 | 0 |
| 121.3.9.37 | 2030242085 | 0 |
| 121.3.9.38 | 2030242086 | 0 |
| 121.3.9.39 | 2030242087 | 0 |
| 121.3.9.40 | 2030242088 | 0 |
| 121.3.9.41 | 2030242089 | 0 |
| 121.3.9.42 | 2030242090 | 0 |
| 121.3.9.43 | 2030242091 | 0 |
| 121.3.9.44 | 2030242092 | 0 |
| 121.3.9.45 | 2030242093 | 0 |
| 121.3.9.46 | 2030242094 | 0 |
| 121.3.9.47 | 2030242095 | 0 |
| 121.3.9.48 | 2030242096 | 0 |
| 121.3.9.49 | 2030242097 | 0 |
| 121.3.9.50 | 2030242098 | 0 |
| 121.3.9.51 | 2030242099 | 0 |
| 121.3.9.52 | 2030242100 | 0 |
| 121.3.9.53 | 2030242101 | 0 |
| 121.3.9.54 | 2030242102 | 0 |
| 121.3.9.55 | 2030242103 | 0 |
| 121.3.9.56 | 2030242104 | 0 |
| 121.3.9.57 | 2030242105 | 0 |
| 121.3.9.58 | 2030242106 | 0 |
| 121.3.9.59 | 2030242107 | 0 |
| 121.3.9.60 | 2030242108 | 0 |
| 121.3.9.61 | 2030242109 | 0 |
| 121.3.9.62 | 2030242110 | 0 |
| 121.3.9.63 | 2030242111 | 0 |
| 121.3.9.64 | 2030242112 | 0 |
| 121.3.9.65 | 2030242113 | 0 |
| 121.3.9.66 | 2030242114 | 0 |
| 121.3.9.67 | 2030242115 | 0 |
| 121.3.9.68 | 2030242116 | 0 |
| 121.3.9.69 | 2030242117 | 0 |
| 121.3.9.70 | 2030242118 | 0 |
| 121.3.9.71 | 2030242119 | 0 |
| 121.3.9.72 | 2030242120 | 0 |
| 121.3.9.73 | 2030242121 | 0 |
| 121.3.9.74 | 2030242122 | 0 |
| 121.3.9.75 | 2030242123 | 0 |
| 121.3.9.76 | 2030242124 | 0 |
| 121.3.9.77 | 2030242125 | 0 |
| 121.3.9.78 | 2030242126 | 0 |
| 121.3.9.79 | 2030242127 | 0 |
| 121.3.9.80 | 2030242128 | 0 |
| 121.3.9.81 | 2030242129 | 0 |
| 121.3.9.82 | 2030242130 | 0 |
| 121.3.9.83 | 2030242131 | 0 |
| 121.3.9.84 | 2030242132 | 0 |
| 121.3.9.85 | 2030242133 | 0 |
| IP | Numerical IP | DNS |
| 121.3.9.86 | 2030242134 | 0 |
| 121.3.9.87 | 2030242135 | 0 |
| 121.3.9.88 | 2030242136 | 0 |
| 121.3.9.89 | 2030242137 | 0 |
| 121.3.9.90 | 2030242138 | 0 |
| 121.3.9.91 | 2030242139 | 0 |
| 121.3.9.92 | 2030242140 | 0 |
| 121.3.9.93 | 2030242141 | 0 |
| 121.3.9.94 | 2030242142 | 0 |
| 121.3.9.95 | 2030242143 | 0 |
| 121.3.9.96 | 2030242144 | 0 |
| 121.3.9.97 | 2030242145 | 0 |
| 121.3.9.98 | 2030242146 | 0 |
| 121.3.9.99 | 2030242147 | 0 |
| 121.3.9.100 | 2030242148 | 0 |
| 121.3.9.101 | 2030242149 | 0 |
| 121.3.9.102 | 2030242150 | 0 |
| 121.3.9.103 | 2030242151 | 0 |
| 121.3.9.104 | 2030242152 | 0 |
| 121.3.9.105 | 2030242153 | 0 |
| 121.3.9.106 | 2030242154 | 0 |
| 121.3.9.107 | 2030242155 | 0 |
| 121.3.9.108 | 2030242156 | 0 |
| 121.3.9.109 | 2030242157 | 0 |
| 121.3.9.110 | 2030242158 | 0 |
| 121.3.9.111 | 2030242159 | 0 |
| 121.3.9.112 | 2030242160 | 0 |
| 121.3.9.113 | 2030242161 | 0 |
| 121.3.9.114 | 2030242162 | 0 |
| 121.3.9.115 | 2030242163 | 0 |
| 121.3.9.116 | 2030242164 | 0 |
| 121.3.9.117 | 2030242165 | 0 |
| 121.3.9.118 | 2030242166 | 0 |
| 121.3.9.119 | 2030242167 | 0 |
| 121.3.9.120 | 2030242168 | 0 |
| 121.3.9.121 | 2030242169 | 0 |
| 121.3.9.122 | 2030242170 | 0 |
| 121.3.9.123 | 2030242171 | 0 |
| 121.3.9.124 | 2030242172 | 0 |
| 121.3.9.125 | 2030242173 | 0 |
| 121.3.9.126 | 2030242174 | 0 |
| 121.3.9.127 | 2030242175 | 0 |
| 121.3.9.128 | 2030242176 | 0 |
| 121.3.9.129 | 2030242177 | 0 |
| 121.3.9.130 | 2030242178 | 0 |
| 121.3.9.131 | 2030242179 | 0 |
| 121.3.9.132 | 2030242180 | 0 |
| 121.3.9.133 | 2030242181 | 0 |
| 121.3.9.134 | 2030242182 | 0 |
| 121.3.9.135 | 2030242183 | 0 |
| 121.3.9.136 | 2030242184 | 0 |
| 121.3.9.137 | 2030242185 | 0 |
| 121.3.9.138 | 2030242186 | 0 |
| 121.3.9.139 | 2030242187 | 0 |
| 121.3.9.140 | 2030242188 | 0 |
| 121.3.9.141 | 2030242189 | 0 |
| 121.3.9.142 | 2030242190 | 0 |
| 121.3.9.143 | 2030242191 | 0 |
| 121.3.9.144 | 2030242192 | 0 |
| 121.3.9.145 | 2030242193 | 0 |
| 121.3.9.146 | 2030242194 | 0 |
| 121.3.9.147 | 2030242195 | 0 |
| 121.3.9.148 | 2030242196 | 0 |
| 121.3.9.149 | 2030242197 | 0 |
| 121.3.9.150 | 2030242198 | 0 |
| 121.3.9.151 | 2030242199 | 0 |
| 121.3.9.152 | 2030242200 | 0 |
| 121.3.9.153 | 2030242201 | 0 |
| 121.3.9.154 | 2030242202 | 0 |
| 121.3.9.155 | 2030242203 | 0 |
| 121.3.9.156 | 2030242204 | 0 |
| 121.3.9.157 | 2030242205 | 0 |
| 121.3.9.158 | 2030242206 | 0 |
| 121.3.9.159 | 2030242207 | 0 |
| 121.3.9.160 | 2030242208 | 0 |
| 121.3.9.161 | 2030242209 | 0 |
| 121.3.9.162 | 2030242210 | 0 |
| 121.3.9.163 | 2030242211 | 0 |
| 121.3.9.164 | 2030242212 | 0 |
| 121.3.9.165 | 2030242213 | 0 |
| 121.3.9.166 | 2030242214 | 0 |
| 121.3.9.167 | 2030242215 | 0 |
| 121.3.9.168 | 2030242216 | 0 |
| 121.3.9.169 | 2030242217 | 0 |
| 121.3.9.170 | 2030242218 | 0 |
| 121.3.9.171 | 2030242219 | 0 |
| IP | Numerical IP | DNS |
| 121.3.9.172 | 2030242220 | 0 |
| 121.3.9.173 | 2030242221 | 0 |
| 121.3.9.174 | 2030242222 | 0 |
| 121.3.9.175 | 2030242223 | 0 |
| 121.3.9.176 | 2030242224 | 0 |
| 121.3.9.177 | 2030242225 | 0 |
| 121.3.9.178 | 2030242226 | 0 |
| 121.3.9.179 | 2030242227 | 0 |
| 121.3.9.180 | 2030242228 | 0 |
| 121.3.9.181 | 2030242229 | 0 |
| 121.3.9.182 | 2030242230 | 0 |
| 121.3.9.183 | 2030242231 | 0 |
| 121.3.9.184 | 2030242232 | 0 |
| 121.3.9.185 | 2030242233 | 0 |
| 121.3.9.186 | 2030242234 | 0 |
| 121.3.9.187 | 2030242235 | 0 |
| 121.3.9.188 | 2030242236 | 0 |
| 121.3.9.189 | 2030242237 | 0 |
| 121.3.9.190 | 2030242238 | 0 |
| 121.3.9.191 | 2030242239 | 0 |
| 121.3.9.192 | 2030242240 | 0 |
| 121.3.9.193 | 2030242241 | 0 |
| 121.3.9.194 | 2030242242 | 0 |
| 121.3.9.195 | 2030242243 | 0 |
| 121.3.9.196 | 2030242244 | 0 |
| 121.3.9.197 | 2030242245 | 0 |
| 121.3.9.198 | 2030242246 | 0 |
| 121.3.9.199 | 2030242247 | 0 |
| 121.3.9.200 | 2030242248 | 0 |
| 121.3.9.201 | 2030242249 | 0 |
| 121.3.9.202 | 2030242250 | 0 |
| 121.3.9.203 | 2030242251 | 0 |
| 121.3.9.204 | 2030242252 | 0 |
| 121.3.9.205 | 2030242253 | 0 |
| 121.3.9.206 | 2030242254 | 0 |
| 121.3.9.207 | 2030242255 | 0 |
| 121.3.9.208 | 2030242256 | 0 |
| 121.3.9.209 | 2030242257 | 0 |
| 121.3.9.210 | 2030242258 | 0 |
| 121.3.9.211 | 2030242259 | 0 |
| 121.3.9.212 | 2030242260 | 0 |
| 121.3.9.213 | 2030242261 | 0 |
| 121.3.9.214 | 2030242262 | 0 |
| 121.3.9.215 | 2030242263 | 0 |
| 121.3.9.216 | 2030242264 | 0 |
| 121.3.9.217 | 2030242265 | 0 |
| 121.3.9.218 | 2030242266 | 0 |
| 121.3.9.219 | 2030242267 | 0 |
| 121.3.9.220 | 2030242268 | 0 |
| 121.3.9.221 | 2030242269 | 0 |
| 121.3.9.222 | 2030242270 | 0 |
| 121.3.9.223 | 2030242271 | 0 |
| 121.3.9.224 | 2030242272 | 0 |
| 121.3.9.225 | 2030242273 | 0 |
| 121.3.9.226 | 2030242274 | 0 |
| 121.3.9.227 | 2030242275 | 0 |
| 121.3.9.228 | 2030242276 | 0 |
| 121.3.9.229 | 2030242277 | 0 |
| 121.3.9.230 | 2030242278 | 0 |
| 121.3.9.231 | 2030242279 | 0 |
| 121.3.9.232 | 2030242280 | 0 |
| 121.3.9.233 | 2030242281 | 0 |
| 121.3.9.234 | 2030242282 | 0 |
| 121.3.9.235 | 2030242283 | 0 |
| 121.3.9.236 | 2030242284 | 0 |
| 121.3.9.237 | 2030242285 | 0 |
| 121.3.9.238 | 2030242286 | 0 |
| 121.3.9.239 | 2030242287 | 0 |
| 121.3.9.240 | 2030242288 | 0 |
| 121.3.9.241 | 2030242289 | 0 |
| 121.3.9.242 | 2030242290 | 0 |
| 121.3.9.243 | 2030242291 | 0 |
| 121.3.9.244 | 2030242292 | 0 |
| 121.3.9.245 | 2030242293 | 0 |
| 121.3.9.246 | 2030242294 | 0 |
| 121.3.9.247 | 2030242295 | 0 |
| 121.3.9.248 | 2030242296 | 0 |
| 121.3.9.249 | 2030242297 | 0 |
| 121.3.9.250 | 2030242298 | 0 |
| 121.3.9.251 | 2030242299 | 0 |
| 121.3.9.252 | 2030242300 | 0 |
| 121.3.9.253 | 2030242301 | 0 |
| 121.3.9.254 | 2030242302 | 0 |
| 121.3.9.255 | 2030242303 | 0 |