IPアドレスから地理的位置情報(GeoIPLocation)の検索機能を公開しました。
CIDRをIPアドレスに展開ツール v2.0.3
IPv4形式のIPアドレスは192.168.0.1などの一般的な形式だけでなく、
192.168.0.1/24 などのネットマスク指定(/24部分)による範囲指定なども利用ができます。
これはCIDR形式、プレフィックス指定などとも呼ばれています。
ここではこのネットマスク指定によるIPアドレス範囲をIPアドレスに展開して表示します。
以下に、ネットマスク形式のIPアドレスを入力すると、
下部に対して、CIDR指定に含まれるIPアドレスが表示されます。
また範囲が広く、含まれるIPアドレスが多い場合には、
結果は「xxx.xxx.xxx.xxx – xxx.xxx.xxx.xxx」形式の範囲で表示します。
範囲表示された場合は、リンクをクリックすると範囲内のIPを再展開できます。
目次
CIDR形式 (103.169.172.0/23) から範囲内のIPアドレス展開
表示値でそのまま実行するとデモ動作の確認ができます。
CIDR展開情報
入力されたCIDRのネットワーク情報です。
| 属性 | 値 |
|---|---|
| 入力IP範囲 | 103.169.172.0/23 |
| ネットワーク(CIDR) | 103.169.172.0/23 |
| サブネット表記 | 103.169.172.0/255.255.254.0 |
| 短縮表記 | 103.169.172 |
| IPアドレス範囲 | 103.169.172.0 - 103.169.173.255 |
| IPアドレス総数 | 512 |
| ネットワークIP | 103.169.172.0 |
| ブロードキャストIP | 103.169.173.255 |
| ホストアドレス範囲 | 103.169.172.1 - 103.169.173.254 有効ホスト数( 510 台 ) |
| サブネットマスク | 255.255.254.0 |
| クラス属性 | クラスＡ |
IPアドレスの展開結果
IPアドレスの展開を行いました
| No | IPアドレス範囲 |
|---|---|
| 1 | 103.169.172.0 |
| 2 | 103.169.172.1 |
| 3 | 103.169.172.2 |
| 4 | 103.169.172.3 |
| 5 | 103.169.172.4 |
| 6 | 103.169.172.5 |
| 7 | 103.169.172.6 |
| 8 | 103.169.172.7 |
| 9 | 103.169.172.8 |
| 10 | 103.169.172.9 |
| 11 | 103.169.172.10 |
| 12 | 103.169.172.11 |
| 13 | 103.169.172.12 |
| 14 | 103.169.172.13 |
| 15 | 103.169.172.14 |
| 16 | 103.169.172.15 |
| 17 | 103.169.172.16 |
| 18 | 103.169.172.17 |
| 19 | 103.169.172.18 |
| 20 | 103.169.172.19 |
| 21 | 103.169.172.20 |
| 22 | 103.169.172.21 |
| 23 | 103.169.172.22 |
| 24 | 103.169.172.23 |
| 25 | 103.169.172.24 |
| 26 | 103.169.172.25 |
| 27 | 103.169.172.26 |
| 28 | 103.169.172.27 |
| 29 | 103.169.172.28 |
| 30 | 103.169.172.29 |
| 31 | 103.169.172.30 |
| 32 | 103.169.172.31 |
| 33 | 103.169.172.32 |
| 34 | 103.169.172.33 |
| 35 | 103.169.172.34 |
| 36 | 103.169.172.35 |
| 37 | 103.169.172.36 |
| 38 | 103.169.172.37 |
| 39 | 103.169.172.38 |
| 40 | 103.169.172.39 |
| 41 | 103.169.172.40 |
| 42 | 103.169.172.41 |
| 43 | 103.169.172.42 |
| 44 | 103.169.172.43 |
| 45 | 103.169.172.44 |
| 46 | 103.169.172.45 |
| 47 | 103.169.172.46 |
| 48 | 103.169.172.47 |
| 49 | 103.169.172.48 |
| 50 | 103.169.172.49 |
| 51 | 103.169.172.50 |
| 52 | 103.169.172.51 |
| 53 | 103.169.172.52 |
| 54 | 103.169.172.53 |
| 55 | 103.169.172.54 |
| 56 | 103.169.172.55 |
| 57 | 103.169.172.56 |
| 58 | 103.169.172.57 |
| 59 | 103.169.172.58 |
| 60 | 103.169.172.59 |
| 61 | 103.169.172.60 |
| 62 | 103.169.172.61 |
| 63 | 103.169.172.62 |
| 64 | 103.169.172.63 |
| 65 | 103.169.172.64 |
| 66 | 103.169.172.65 |
| 67 | 103.169.172.66 |
| 68 | 103.169.172.67 |
| 69 | 103.169.172.68 |
| 70 | 103.169.172.69 |
| 71 | 103.169.172.70 |
| 72 | 103.169.172.71 |
| 73 | 103.169.172.72 |
| 74 | 103.169.172.73 |
| 75 | 103.169.172.74 |
| 76 | 103.169.172.75 |
| 77 | 103.169.172.76 |
| 78 | 103.169.172.77 |
| 79 | 103.169.172.78 |
| 80 | 103.169.172.79 |
| 81 | 103.169.172.80 |
| 82 | 103.169.172.81 |
| 83 | 103.169.172.82 |
| 84 | 103.169.172.83 |
| 85 | 103.169.172.84 |
| 86 | 103.169.172.85 |
| 87 | 103.169.172.86 |
| 88 | 103.169.172.87 |
| 89 | 103.169.172.88 |
| 90 | 103.169.172.89 |
| 91 | 103.169.172.90 |
| 92 | 103.169.172.91 |
| 93 | 103.169.172.92 |
| 94 | 103.169.172.93 |
| 95 | 103.169.172.94 |
| 96 | 103.169.172.95 |
| 97 | 103.169.172.96 |
| 98 | 103.169.172.97 |
| 99 | 103.169.172.98 |
| 100 | 103.169.172.99 |
| 101 | 103.169.172.100 |
| 102 | 103.169.172.101 |
| 103 | 103.169.172.102 |
| 104 | 103.169.172.103 |
| 105 | 103.169.172.104 |
| 106 | 103.169.172.105 |
| 107 | 103.169.172.106 |
| 108 | 103.169.172.107 |
| 109 | 103.169.172.108 |
| 110 | 103.169.172.109 |
| 111 | 103.169.172.110 |
| 112 | 103.169.172.111 |
| 113 | 103.169.172.112 |
| 114 | 103.169.172.113 |
| 115 | 103.169.172.114 |
| 116 | 103.169.172.115 |
| 117 | 103.169.172.116 |
| 118 | 103.169.172.117 |
| 119 | 103.169.172.118 |
| 120 | 103.169.172.119 |
| 121 | 103.169.172.120 |
| 122 | 103.169.172.121 |
| 123 | 103.169.172.122 |
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| 125 | 103.169.172.124 |
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| 128 | 103.169.172.127 |
| 129 | 103.169.172.128 |
| 130 | 103.169.172.129 |
| 131 | 103.169.172.130 |
| 132 | 103.169.172.131 |
| 133 | 103.169.172.132 |
| 134 | 103.169.172.133 |
| 135 | 103.169.172.134 |
| 136 | 103.169.172.135 |
| 137 | 103.169.172.136 |
| 138 | 103.169.172.137 |
| 139 | 103.169.172.138 |
| 140 | 103.169.172.139 |
| 141 | 103.169.172.140 |
| 142 | 103.169.172.141 |
| 143 | 103.169.172.142 |
| 144 | 103.169.172.143 |
| 145 | 103.169.172.144 |
| 146 | 103.169.172.145 |
| 147 | 103.169.172.146 |
| 148 | 103.169.172.147 |
| 149 | 103.169.172.148 |
| 150 | 103.169.172.149 |
| 151 | 103.169.172.150 |
| 152 | 103.169.172.151 |
| 153 | 103.169.172.152 |
| 154 | 103.169.172.153 |
| 155 | 103.169.172.154 |
| 156 | 103.169.172.155 |
| 157 | 103.169.172.156 |
| 158 | 103.169.172.157 |
| 159 | 103.169.172.158 |
| 160 | 103.169.172.159 |
| 161 | 103.169.172.160 |
| 162 | 103.169.172.161 |
| 163 | 103.169.172.162 |
| 164 | 103.169.172.163 |
| 165 | 103.169.172.164 |
| 166 | 103.169.172.165 |
| 167 | 103.169.172.166 |
| 168 | 103.169.172.167 |
| 169 | 103.169.172.168 |
| 170 | 103.169.172.169 |
| 171 | 103.169.172.170 |
| 172 | 103.169.172.171 |
| 173 | 103.169.172.172 |
| 174 | 103.169.172.173 |
| 175 | 103.169.172.174 |
| 176 | 103.169.172.175 |
| 177 | 103.169.172.176 |
| 178 | 103.169.172.177 |
| 179 | 103.169.172.178 |
| 180 | 103.169.172.179 |
| 181 | 103.169.172.180 |
| 182 | 103.169.172.181 |
| 183 | 103.169.172.182 |
| 184 | 103.169.172.183 |
| 185 | 103.169.172.184 |
| 186 | 103.169.172.185 |
| 187 | 103.169.172.186 |
| 188 | 103.169.172.187 |
| 189 | 103.169.172.188 |
| 190 | 103.169.172.189 |
| 191 | 103.169.172.190 |
| 192 | 103.169.172.191 |
| 193 | 103.169.172.192 |
| 194 | 103.169.172.193 |
| 195 | 103.169.172.194 |
| 196 | 103.169.172.195 |
| 197 | 103.169.172.196 |
| 198 | 103.169.172.197 |
| 199 | 103.169.172.198 |
| 200 | 103.169.172.199 |
| 201 | 103.169.172.200 |
| 202 | 103.169.172.201 |
| 203 | 103.169.172.202 |
| 204 | 103.169.172.203 |
| 205 | 103.169.172.204 |
| 206 | 103.169.172.205 |
| 207 | 103.169.172.206 |
| 208 | 103.169.172.207 |
| 209 | 103.169.172.208 |
| 210 | 103.169.172.209 |
| 211 | 103.169.172.210 |
| 212 | 103.169.172.211 |
| 213 | 103.169.172.212 |
| 214 | 103.169.172.213 |
| 215 | 103.169.172.214 |
| 216 | 103.169.172.215 |
| 217 | 103.169.172.216 |
| 218 | 103.169.172.217 |
| 219 | 103.169.172.218 |
| 220 | 103.169.172.219 |
| 221 | 103.169.172.220 |
| 222 | 103.169.172.221 |
| 223 | 103.169.172.222 |
| 224 | 103.169.172.223 |
| 225 | 103.169.172.224 |
| 226 | 103.169.172.225 |
| 227 | 103.169.172.226 |
| 228 | 103.169.172.227 |
| 229 | 103.169.172.228 |
| 230 | 103.169.172.229 |
| 231 | 103.169.172.230 |
| 232 | 103.169.172.231 |
| 233 | 103.169.172.232 |
| 234 | 103.169.172.233 |
| 235 | 103.169.172.234 |
| 236 | 103.169.172.235 |
| 237 | 103.169.172.236 |
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| 239 | 103.169.172.238 |
| 240 | 103.169.172.239 |
| 241 | 103.169.172.240 |
| 242 | 103.169.172.241 |
| 243 | 103.169.172.242 |
| 244 | 103.169.172.243 |
| 245 | 103.169.172.244 |
| 246 | 103.169.172.245 |
| 247 | 103.169.172.246 |
| 248 | 103.169.172.247 |
| 249 | 103.169.172.248 |
| 250 | 103.169.172.249 |
| 251 | 103.169.172.250 |
| 252 | 103.169.172.251 |
| 253 | 103.169.172.252 |
| 254 | 103.169.172.253 |
| 255 | 103.169.172.254 |
| 256 | 103.169.172.255 |
| 257 | 103.169.173.0 |
| 258 | 103.169.173.1 |
| 259 | 103.169.173.2 |
| 260 | 103.169.173.3 |
| 261 | 103.169.173.4 |
| 262 | 103.169.173.5 |
| 263 | 103.169.173.6 |
| 264 | 103.169.173.7 |
| 265 | 103.169.173.8 |
| 266 | 103.169.173.9 |
| 267 | 103.169.173.10 |
| 268 | 103.169.173.11 |
| 269 | 103.169.173.12 |
| 270 | 103.169.173.13 |
| 271 | 103.169.173.14 |
| 272 | 103.169.173.15 |
| 273 | 103.169.173.16 |
| 274 | 103.169.173.17 |
| 275 | 103.169.173.18 |
| 276 | 103.169.173.19 |
| 277 | 103.169.173.20 |
| 278 | 103.169.173.21 |
| 279 | 103.169.173.22 |
| 280 | 103.169.173.23 |
| 281 | 103.169.173.24 |
| 282 | 103.169.173.25 |
| 283 | 103.169.173.26 |
| 284 | 103.169.173.27 |
| 285 | 103.169.173.28 |
| 286 | 103.169.173.29 |
| 287 | 103.169.173.30 |
| 288 | 103.169.173.31 |
| 289 | 103.169.173.32 |
| 290 | 103.169.173.33 |
| 291 | 103.169.173.34 |
| 292 | 103.169.173.35 |
| 293 | 103.169.173.36 |
| 294 | 103.169.173.37 |
| 295 | 103.169.173.38 |
| 296 | 103.169.173.39 |
| 297 | 103.169.173.40 |
| 298 | 103.169.173.41 |
| 299 | 103.169.173.42 |
| 300 | 103.169.173.43 |
| 301 | 103.169.173.44 |
| 302 | 103.169.173.45 |
| 303 | 103.169.173.46 |
| 304 | 103.169.173.47 |
| 305 | 103.169.173.48 |
| 306 | 103.169.173.49 |
| 307 | 103.169.173.50 |
| 308 | 103.169.173.51 |
| 309 | 103.169.173.52 |
| 310 | 103.169.173.53 |
| 311 | 103.169.173.54 |
| 312 | 103.169.173.55 |
| 313 | 103.169.173.56 |
| 314 | 103.169.173.57 |
| 315 | 103.169.173.58 |
| 316 | 103.169.173.59 |
| 317 | 103.169.173.60 |
| 318 | 103.169.173.61 |
| 319 | 103.169.173.62 |
| 320 | 103.169.173.63 |
| 321 | 103.169.173.64 |
| 322 | 103.169.173.65 |
| 323 | 103.169.173.66 |
| 324 | 103.169.173.67 |
| 325 | 103.169.173.68 |
| 326 | 103.169.173.69 |
| 327 | 103.169.173.70 |
| 328 | 103.169.173.71 |
| 329 | 103.169.173.72 |
| 330 | 103.169.173.73 |
| 331 | 103.169.173.74 |
| 332 | 103.169.173.75 |
| 333 | 103.169.173.76 |
| 334 | 103.169.173.77 |
| 335 | 103.169.173.78 |
| 336 | 103.169.173.79 |
| 337 | 103.169.173.80 |
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| 341 | 103.169.173.84 |
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| 343 | 103.169.173.86 |
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| 348 | 103.169.173.91 |
| 349 | 103.169.173.92 |
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| 352 | 103.169.173.95 |
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| 364 | 103.169.173.107 |
| 365 | 103.169.173.108 |
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| 367 | 103.169.173.110 |
| 368 | 103.169.173.111 |
| 369 | 103.169.173.112 |
| 370 | 103.169.173.113 |
| 371 | 103.169.173.114 |
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| 390 | 103.169.173.133 |
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| 392 | 103.169.173.135 |
| 393 | 103.169.173.136 |
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| 395 | 103.169.173.138 |
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| 397 | 103.169.173.140 |
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| 399 | 103.169.173.142 |
| 400 | 103.169.173.143 |
| 401 | 103.169.173.144 |
| 402 | 103.169.173.145 |
| 403 | 103.169.173.146 |
| 404 | 103.169.173.147 |
| 405 | 103.169.173.148 |
| 406 | 103.169.173.149 |
| 407 | 103.169.173.150 |
| 408 | 103.169.173.151 |
| 409 | 103.169.173.152 |
| 410 | 103.169.173.153 |
| 411 | 103.169.173.154 |
| 412 | 103.169.173.155 |
| 413 | 103.169.173.156 |
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| 415 | 103.169.173.158 |
| 416 | 103.169.173.159 |
| 417 | 103.169.173.160 |
| 418 | 103.169.173.161 |
| 419 | 103.169.173.162 |
| 420 | 103.169.173.163 |
| 421 | 103.169.173.164 |
| 422 | 103.169.173.165 |
| 423 | 103.169.173.166 |
| 424 | 103.169.173.167 |
| 425 | 103.169.173.168 |
| 426 | 103.169.173.169 |
| 427 | 103.169.173.170 |
| 428 | 103.169.173.171 |
| 429 | 103.169.173.172 |
| 430 | 103.169.173.173 |
| 431 | 103.169.173.174 |
| 432 | 103.169.173.175 |
| 433 | 103.169.173.176 |
| 434 | 103.169.173.177 |
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| 437 | 103.169.173.180 |
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| 440 | 103.169.173.183 |
| 441 | 103.169.173.184 |
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| 447 | 103.169.173.190 |
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| 449 | 103.169.173.192 |
| 450 | 103.169.173.193 |
| 451 | 103.169.173.194 |
| 452 | 103.169.173.195 |
| 453 | 103.169.173.196 |
| 454 | 103.169.173.197 |
| 455 | 103.169.173.198 |
| 456 | 103.169.173.199 |
| 457 | 103.169.173.200 |
| 458 | 103.169.173.201 |
| 459 | 103.169.173.202 |
| 460 | 103.169.173.203 |
| 461 | 103.169.173.204 |
| 462 | 103.169.173.205 |
| 463 | 103.169.173.206 |
| 464 | 103.169.173.207 |
| 465 | 103.169.173.208 |
| 466 | 103.169.173.209 |
| 467 | 103.169.173.210 |
| 468 | 103.169.173.211 |
| 469 | 103.169.173.212 |
| 470 | 103.169.173.213 |
| 471 | 103.169.173.214 |
| 472 | 103.169.173.215 |
| 473 | 103.169.173.216 |
| 474 | 103.169.173.217 |
| 475 | 103.169.173.218 |
| 476 | 103.169.173.219 |
| 477 | 103.169.173.220 |
| 478 | 103.169.173.221 |
| 479 | 103.169.173.222 |
| 480 | 103.169.173.223 |
| 481 | 103.169.173.224 |
| 482 | 103.169.173.225 |
| 483 | 103.169.173.226 |
| 484 | 103.169.173.227 |
| 485 | 103.169.173.228 |
| 486 | 103.169.173.229 |
| 487 | 103.169.173.230 |
| 488 | 103.169.173.231 |
| 489 | 103.169.173.232 |
| 490 | 103.169.173.233 |
| 491 | 103.169.173.234 |
| 492 | 103.169.173.235 |
| 493 | 103.169.173.236 |
| 494 | 103.169.173.237 |
| 495 | 103.169.173.238 |
| 496 | 103.169.173.239 |
| 497 | 103.169.173.240 |
| 498 | 103.169.173.241 |
| 499 | 103.169.173.242 |
| 500 | 103.169.173.243 |
| 501 | 103.169.173.244 |
| 502 | 103.169.173.245 |
| 503 | 103.169.173.246 |
| 504 | 103.169.173.247 |
| 505 | 103.169.173.248 |
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| 507 | 103.169.173.250 |
| 508 | 103.169.173.251 |
| 509 | 103.169.173.252 |
| 510 | 103.169.173.253 |
| 511 | 103.169.173.254 |
| 512 | 103.169.173.255 |
IPアドレスの特殊属性
入力されたIPアドレス範囲の特殊IP属性に関する情報です。
特殊属性には該当しませんでした。
| IP特殊属性 | 概要 | CIDR |
|---|---|---|
| グローバルアドレス | プライベートIPアドレス、リンクローカルアドレス、特殊用途のIPアドレスなどを除いた |
GLOBALS |
IPアドレスの特殊属性に割当てられた
各範囲・グローバルIPアドレスの範囲については、
以下リンク先でご確認下さい。
このツールの使用方法については以下でご紹介しています。
関連ツール
このツールに関連してCIDRをすべて展開するのではなく、
CIDR範囲に１つのIPアドレスが含まれているかどうかを、
チェックして確認するツールを作成公開しました。
併せてご活用いただければ幸いです。
さいごに
CIDRからIPアドレスの範囲をイメージすることは、
慣れるまでは少しとっつきにくい部分もあります。
ここでは実際に範囲を目視して、
それぞれの範囲を細かく見ていくことができるようにしています。
お役に立ちますと幸いです。
更新履歴情報
| Ver. | 更新日 | 更新内容 |
|---|---|---|
| 2.0.3 | 2018/05/10 | /32指定を行った際にエラーになる不具合を訂正。 |
| 2.0.2 | 2018/05/10 | 実行結果に表示のIP範囲再展開リンクをJavaScriptからURL形式へ変更。 Shiftを押しながらクリック等することで別画面表示を可能にし、 URLから実行結果を開けるように対応。 |
| 2.0.1 | 2018/05/09 | 実行結果に表示のCIDR再展開リンクをJavaScriptからURL形式へ変更。 Shiftを押しながらクリック等することで別画面表示を可能にし、 URLから実行結果を開けるように対応。 |
| 1.0.2 | 2015/02/21 | 特定のネットマスクの値に対しての表示結果を調整 |
| 1.0.1 | 2015/02/06 | 公開 |
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