L'indirizzo IP 121.87.5 è fornito da K-Opticom Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.84.0.0/14, IP tra 121.84.0.0 a 121.87.255.255 ). Il numero di sistema autonomo (ASN) è 17511.
| ASN | 17511 |
| IP inizia con | 121.84.0.0 |
| IP finale con | 121.87.255.255 |
| ASN Nome | K-Opticom Corporation |
| CDIR | 121.84.0.0/14 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 20/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Osaka | 34,6939 | 135,5022 | 2017-07-20 |
| MaxMind | JP | Japan | - | Kyoto | 35,0214 | 135,7556 | 2017-07-20 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.87.5.0 | 2035746048 | 0 |
| 121.87.5.1 | 2035746049 | 0 |
| 121.87.5.2 | 2035746050 | 0 |
| 121.87.5.3 | 2035746051 | 0 |
| 121.87.5.4 | 2035746052 | 0 |
| 121.87.5.5 | 2035746053 | 0 |
| 121.87.5.6 | 2035746054 | 0 |
| 121.87.5.7 | 2035746055 | 0 |
| 121.87.5.8 | 2035746056 | 0 |
| 121.87.5.9 | 2035746057 | 0 |
| 121.87.5.10 | 2035746058 | 0 |
| 121.87.5.11 | 2035746059 | 0 |
| 121.87.5.12 | 2035746060 | 0 |
| 121.87.5.13 | 2035746061 | 0 |
| 121.87.5.14 | 2035746062 | 0 |
| 121.87.5.15 | 2035746063 | 0 |
| 121.87.5.16 | 2035746064 | 0 |
| 121.87.5.17 | 2035746065 | 0 |
| 121.87.5.18 | 2035746066 | 0 |
| 121.87.5.19 | 2035746067 | 0 |
| 121.87.5.20 | 2035746068 | 0 |
| 121.87.5.21 | 2035746069 | 0 |
| 121.87.5.22 | 2035746070 | 0 |
| 121.87.5.23 | 2035746071 | 0 |
| 121.87.5.24 | 2035746072 | 0 |
| 121.87.5.25 | 2035746073 | 0 |
| 121.87.5.26 | 2035746074 | 0 |
| 121.87.5.27 | 2035746075 | 0 |
| 121.87.5.28 | 2035746076 | 0 |
| 121.87.5.29 | 2035746077 | 0 |
| 121.87.5.30 | 2035746078 | 0 |
| 121.87.5.31 | 2035746079 | 0 |
| 121.87.5.32 | 2035746080 | 0 |
| 121.87.5.33 | 2035746081 | 0 |
| 121.87.5.34 | 2035746082 | 0 |
| 121.87.5.35 | 2035746083 | 0 |
| 121.87.5.36 | 2035746084 | 0 |
| 121.87.5.37 | 2035746085 | 0 |
| 121.87.5.38 | 2035746086 | 0 |
| 121.87.5.39 | 2035746087 | 0 |
| 121.87.5.40 | 2035746088 | 0 |
| 121.87.5.41 | 2035746089 | 0 |
| 121.87.5.42 | 2035746090 | 0 |
| 121.87.5.43 | 2035746091 | 0 |
| 121.87.5.44 | 2035746092 | 0 |
| 121.87.5.45 | 2035746093 | 0 |
| 121.87.5.46 | 2035746094 | 0 |
| 121.87.5.47 | 2035746095 | 0 |
| 121.87.5.48 | 2035746096 | 0 |
| 121.87.5.49 | 2035746097 | 0 |
| 121.87.5.50 | 2035746098 | 0 |
| 121.87.5.51 | 2035746099 | 0 |
| 121.87.5.52 | 2035746100 | 0 |
| 121.87.5.53 | 2035746101 | 0 |
| 121.87.5.54 | 2035746102 | 0 |
| 121.87.5.55 | 2035746103 | 0 |
| 121.87.5.56 | 2035746104 | 0 |
| 121.87.5.57 | 2035746105 | 0 |
| 121.87.5.58 | 2035746106 | 0 |
| 121.87.5.59 | 2035746107 | 0 |
| 121.87.5.60 | 2035746108 | 0 |
| 121.87.5.61 | 2035746109 | 0 |
| 121.87.5.62 | 2035746110 | 0 |
| 121.87.5.63 | 2035746111 | 0 |
| 121.87.5.64 | 2035746112 | 0 |
| 121.87.5.65 | 2035746113 | 0 |
| 121.87.5.66 | 2035746114 | 0 |
| 121.87.5.67 | 2035746115 | 0 |
| 121.87.5.68 | 2035746116 | 0 |
| 121.87.5.69 | 2035746117 | 0 |
| 121.87.5.70 | 2035746118 | 0 |
| 121.87.5.71 | 2035746119 | 0 |
| 121.87.5.72 | 2035746120 | 0 |
| 121.87.5.73 | 2035746121 | 0 |
| 121.87.5.74 | 2035746122 | 0 |
| 121.87.5.75 | 2035746123 | 0 |
| 121.87.5.76 | 2035746124 | 0 |
| 121.87.5.77 | 2035746125 | 0 |
| 121.87.5.78 | 2035746126 | 0 |
| 121.87.5.79 | 2035746127 | 0 |
| 121.87.5.80 | 2035746128 | 0 |
| 121.87.5.81 | 2035746129 | 0 |
| 121.87.5.82 | 2035746130 | 0 |
| 121.87.5.83 | 2035746131 | 0 |
| 121.87.5.84 | 2035746132 | 0 |
| 121.87.5.85 | 2035746133 | 0 |
| IP | Numerical IP | DNS |
| 121.87.5.86 | 2035746134 | 0 |
| 121.87.5.87 | 2035746135 | 0 |
| 121.87.5.88 | 2035746136 | 0 |
| 121.87.5.89 | 2035746137 | 0 |
| 121.87.5.90 | 2035746138 | 0 |
| 121.87.5.91 | 2035746139 | 0 |
| 121.87.5.92 | 2035746140 | 0 |
| 121.87.5.93 | 2035746141 | 0 |
| 121.87.5.94 | 2035746142 | 0 |
| 121.87.5.95 | 2035746143 | 0 |
| 121.87.5.96 | 2035746144 | 0 |
| 121.87.5.97 | 2035746145 | 0 |
| 121.87.5.98 | 2035746146 | 0 |
| 121.87.5.99 | 2035746147 | 0 |
| 121.87.5.100 | 2035746148 | 0 |
| 121.87.5.101 | 2035746149 | 0 |
| 121.87.5.102 | 2035746150 | 0 |
| 121.87.5.103 | 2035746151 | 0 |
| 121.87.5.104 | 2035746152 | 0 |
| 121.87.5.105 | 2035746153 | 0 |
| 121.87.5.106 | 2035746154 | 0 |
| 121.87.5.107 | 2035746155 | 0 |
| 121.87.5.108 | 2035746156 | 0 |
| 121.87.5.109 | 2035746157 | 0 |
| 121.87.5.110 | 2035746158 | 0 |
| 121.87.5.111 | 2035746159 | 0 |
| 121.87.5.112 | 2035746160 | 0 |
| 121.87.5.113 | 2035746161 | 0 |
| 121.87.5.114 | 2035746162 | 0 |
| 121.87.5.115 | 2035746163 | 0 |
| 121.87.5.116 | 2035746164 | 0 |
| 121.87.5.117 | 2035746165 | 0 |
| 121.87.5.118 | 2035746166 | 0 |
| 121.87.5.119 | 2035746167 | 0 |
| 121.87.5.120 | 2035746168 | 0 |
| 121.87.5.121 | 2035746169 | 0 |
| 121.87.5.122 | 2035746170 | 0 |
| 121.87.5.123 | 2035746171 | 0 |
| 121.87.5.124 | 2035746172 | 0 |
| 121.87.5.125 | 2035746173 | 0 |
| 121.87.5.126 | 2035746174 | 0 |
| 121.87.5.127 | 2035746175 | 0 |
| 121.87.5.128 | 2035746176 | 0 |
| 121.87.5.129 | 2035746177 | 0 |
| 121.87.5.130 | 2035746178 | 0 |
| 121.87.5.131 | 2035746179 | 0 |
| 121.87.5.132 | 2035746180 | 0 |
| 121.87.5.133 | 2035746181 | 0 |
| 121.87.5.134 | 2035746182 | 0 |
| 121.87.5.135 | 2035746183 | 0 |
| 121.87.5.136 | 2035746184 | 0 |
| 121.87.5.137 | 2035746185 | 0 |
| 121.87.5.138 | 2035746186 | 0 |
| 121.87.5.139 | 2035746187 | 0 |
| 121.87.5.140 | 2035746188 | 0 |
| 121.87.5.141 | 2035746189 | 0 |
| 121.87.5.142 | 2035746190 | 0 |
| 121.87.5.143 | 2035746191 | 0 |
| 121.87.5.144 | 2035746192 | 0 |
| 121.87.5.145 | 2035746193 | 0 |
| 121.87.5.146 | 2035746194 | 0 |
| 121.87.5.147 | 2035746195 | 0 |
| 121.87.5.148 | 2035746196 | 0 |
| 121.87.5.149 | 2035746197 | 0 |
| 121.87.5.150 | 2035746198 | 0 |
| 121.87.5.151 | 2035746199 | 0 |
| 121.87.5.152 | 2035746200 | 0 |
| 121.87.5.153 | 2035746201 | 0 |
| 121.87.5.154 | 2035746202 | 0 |
| 121.87.5.155 | 2035746203 | 0 |
| 121.87.5.156 | 2035746204 | 0 |
| 121.87.5.157 | 2035746205 | 0 |
| 121.87.5.158 | 2035746206 | 0 |
| 121.87.5.159 | 2035746207 | 0 |
| 121.87.5.160 | 2035746208 | 0 |
| 121.87.5.161 | 2035746209 | 0 |
| 121.87.5.162 | 2035746210 | 0 |
| 121.87.5.163 | 2035746211 | 0 |
| 121.87.5.164 | 2035746212 | 0 |
| 121.87.5.165 | 2035746213 | 0 |
| 121.87.5.166 | 2035746214 | 0 |
| 121.87.5.167 | 2035746215 | 0 |
| 121.87.5.168 | 2035746216 | 0 |
| 121.87.5.169 | 2035746217 | 0 |
| 121.87.5.170 | 2035746218 | 0 |
| 121.87.5.171 | 2035746219 | 0 |
| IP | Numerical IP | DNS |
| 121.87.5.172 | 2035746220 | 0 |
| 121.87.5.173 | 2035746221 | 0 |
| 121.87.5.174 | 2035746222 | 0 |
| 121.87.5.175 | 2035746223 | 0 |
| 121.87.5.176 | 2035746224 | 0 |
| 121.87.5.177 | 2035746225 | 0 |
| 121.87.5.178 | 2035746226 | 0 |
| 121.87.5.179 | 2035746227 | 0 |
| 121.87.5.180 | 2035746228 | 0 |
| 121.87.5.181 | 2035746229 | 0 |
| 121.87.5.182 | 2035746230 | 0 |
| 121.87.5.183 | 2035746231 | 0 |
| 121.87.5.184 | 2035746232 | 0 |
| 121.87.5.185 | 2035746233 | 0 |
| 121.87.5.186 | 2035746234 | 0 |
| 121.87.5.187 | 2035746235 | 0 |
| 121.87.5.188 | 2035746236 | 0 |
| 121.87.5.189 | 2035746237 | 0 |
| 121.87.5.190 | 2035746238 | 0 |
| 121.87.5.191 | 2035746239 | 0 |
| 121.87.5.192 | 2035746240 | 0 |
| 121.87.5.193 | 2035746241 | 0 |
| 121.87.5.194 | 2035746242 | 0 |
| 121.87.5.195 | 2035746243 | 0 |
| 121.87.5.196 | 2035746244 | 0 |
| 121.87.5.197 | 2035746245 | 0 |
| 121.87.5.198 | 2035746246 | 0 |
| 121.87.5.199 | 2035746247 | 0 |
| 121.87.5.200 | 2035746248 | 0 |
| 121.87.5.201 | 2035746249 | 0 |
| 121.87.5.202 | 2035746250 | 0 |
| 121.87.5.203 | 2035746251 | 0 |
| 121.87.5.204 | 2035746252 | 0 |
| 121.87.5.205 | 2035746253 | 0 |
| 121.87.5.206 | 2035746254 | 0 |
| 121.87.5.207 | 2035746255 | 0 |
| 121.87.5.208 | 2035746256 | 0 |
| 121.87.5.209 | 2035746257 | 0 |
| 121.87.5.210 | 2035746258 | 0 |
| 121.87.5.211 | 2035746259 | 0 |
| 121.87.5.212 | 2035746260 | 0 |
| 121.87.5.213 | 2035746261 | 0 |
| 121.87.5.214 | 2035746262 | 0 |
| 121.87.5.215 | 2035746263 | 0 |
| 121.87.5.216 | 2035746264 | 0 |
| 121.87.5.217 | 2035746265 | 0 |
| 121.87.5.218 | 2035746266 | 0 |
| 121.87.5.219 | 2035746267 | 0 |
| 121.87.5.220 | 2035746268 | 0 |
| 121.87.5.221 | 2035746269 | 0 |
| 121.87.5.222 | 2035746270 | 0 |
| 121.87.5.223 | 2035746271 | 0 |
| 121.87.5.224 | 2035746272 | 0 |
| 121.87.5.225 | 2035746273 | 0 |
| 121.87.5.226 | 2035746274 | 0 |
| 121.87.5.227 | 2035746275 | 0 |
| 121.87.5.228 | 2035746276 | 0 |
| 121.87.5.229 | 2035746277 | 0 |
| 121.87.5.230 | 2035746278 | 0 |
| 121.87.5.231 | 2035746279 | 0 |
| 121.87.5.232 | 2035746280 | 0 |
| 121.87.5.233 | 2035746281 | 0 |
| 121.87.5.234 | 2035746282 | 0 |
| 121.87.5.235 | 2035746283 | 0 |
| 121.87.5.236 | 2035746284 | 0 |
| 121.87.5.237 | 2035746285 | 0 |
| 121.87.5.238 | 2035746286 | 0 |
| 121.87.5.239 | 2035746287 | 0 |
| 121.87.5.240 | 2035746288 | 0 |
| 121.87.5.241 | 2035746289 | 0 |
| 121.87.5.242 | 2035746290 | 0 |
| 121.87.5.243 | 2035746291 | 0 |
| 121.87.5.244 | 2035746292 | 0 |
| 121.87.5.245 | 2035746293 | 0 |
| 121.87.5.246 | 2035746294 | 0 |
| 121.87.5.247 | 2035746295 | 0 |
| 121.87.5.248 | 2035746296 | 0 |
| 121.87.5.249 | 2035746297 | 0 |
| 121.87.5.250 | 2035746298 | 0 |
| 121.87.5.251 | 2035746299 | 0 |
| 121.87.5.252 | 2035746300 | 0 |
| 121.87.5.253 | 2035746301 | 0 |
| 121.87.5.254 | 2035746302 | 0 |
| 121.87.5.255 | 2035746303 | 0 |