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 (8.53.150.0/23) 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 | 8.53.150.0/23 |
| ネットワーク(CIDR) | 8.53.150.0/23 |
| サブネット表記 | 8.53.150.0/255.255.254.0 |
| 短縮表記 | 8.53.150 |
| IPアドレス範囲 | 8.53.150.0 - 8.53.151.255 |
| IPアドレス総数 | 512 |
| ネットワークIP | 8.53.150.0 |
| ブロードキャストIP | 8.53.151.255 |
| ホストアドレス範囲 | 8.53.150.1 - 8.53.151.254 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 | 8.53.150.0 |
| 2 | 8.53.150.1 |
| 3 | 8.53.150.2 |
| 4 | 8.53.150.3 |
| 5 | 8.53.150.4 |
| 6 | 8.53.150.5 |
| 7 | 8.53.150.6 |
| 8 | 8.53.150.7 |
| 9 | 8.53.150.8 |
| 10 | 8.53.150.9 |
| 11 | 8.53.150.10 |
| 12 | 8.53.150.11 |
| 13 | 8.53.150.12 |
| 14 | 8.53.150.13 |
| 15 | 8.53.150.14 |
| 16 | 8.53.150.15 |
| 17 | 8.53.150.16 |
| 18 | 8.53.150.17 |
| 19 | 8.53.150.18 |
| 20 | 8.53.150.19 |
| 21 | 8.53.150.20 |
| 22 | 8.53.150.21 |
| 23 | 8.53.150.22 |
| 24 | 8.53.150.23 |
| 25 | 8.53.150.24 |
| 26 | 8.53.150.25 |
| 27 | 8.53.150.26 |
| 28 | 8.53.150.27 |
| 29 | 8.53.150.28 |
| 30 | 8.53.150.29 |
| 31 | 8.53.150.30 |
| 32 | 8.53.150.31 |
| 33 | 8.53.150.32 |
| 34 | 8.53.150.33 |
| 35 | 8.53.150.34 |
| 36 | 8.53.150.35 |
| 37 | 8.53.150.36 |
| 38 | 8.53.150.37 |
| 39 | 8.53.150.38 |
| 40 | 8.53.150.39 |
| 41 | 8.53.150.40 |
| 42 | 8.53.150.41 |
| 43 | 8.53.150.42 |
| 44 | 8.53.150.43 |
| 45 | 8.53.150.44 |
| 46 | 8.53.150.45 |
| 47 | 8.53.150.46 |
| 48 | 8.53.150.47 |
| 49 | 8.53.150.48 |
| 50 | 8.53.150.49 |
| 51 | 8.53.150.50 |
| 52 | 8.53.150.51 |
| 53 | 8.53.150.52 |
| 54 | 8.53.150.53 |
| 55 | 8.53.150.54 |
| 56 | 8.53.150.55 |
| 57 | 8.53.150.56 |
| 58 | 8.53.150.57 |
| 59 | 8.53.150.58 |
| 60 | 8.53.150.59 |
| 61 | 8.53.150.60 |
| 62 | 8.53.150.61 |
| 63 | 8.53.150.62 |
| 64 | 8.53.150.63 |
| 65 | 8.53.150.64 |
| 66 | 8.53.150.65 |
| 67 | 8.53.150.66 |
| 68 | 8.53.150.67 |
| 69 | 8.53.150.68 |
| 70 | 8.53.150.69 |
| 71 | 8.53.150.70 |
| 72 | 8.53.150.71 |
| 73 | 8.53.150.72 |
| 74 | 8.53.150.73 |
| 75 | 8.53.150.74 |
| 76 | 8.53.150.75 |
| 77 | 8.53.150.76 |
| 78 | 8.53.150.77 |
| 79 | 8.53.150.78 |
| 80 | 8.53.150.79 |
| 81 | 8.53.150.80 |
| 82 | 8.53.150.81 |
| 83 | 8.53.150.82 |
| 84 | 8.53.150.83 |
| 85 | 8.53.150.84 |
| 86 | 8.53.150.85 |
| 87 | 8.53.150.86 |
| 88 | 8.53.150.87 |
| 89 | 8.53.150.88 |
| 90 | 8.53.150.89 |
| 91 | 8.53.150.90 |
| 92 | 8.53.150.91 |
| 93 | 8.53.150.92 |
| 94 | 8.53.150.93 |
| 95 | 8.53.150.94 |
| 96 | 8.53.150.95 |
| 97 | 8.53.150.96 |
| 98 | 8.53.150.97 |
| 99 | 8.53.150.98 |
| 100 | 8.53.150.99 |
| 101 | 8.53.150.100 |
| 102 | 8.53.150.101 |
| 103 | 8.53.150.102 |
| 104 | 8.53.150.103 |
| 105 | 8.53.150.104 |
| 106 | 8.53.150.105 |
| 107 | 8.53.150.106 |
| 108 | 8.53.150.107 |
| 109 | 8.53.150.108 |
| 110 | 8.53.150.109 |
| 111 | 8.53.150.110 |
| 112 | 8.53.150.111 |
| 113 | 8.53.150.112 |
| 114 | 8.53.150.113 |
| 115 | 8.53.150.114 |
| 116 | 8.53.150.115 |
| 117 | 8.53.150.116 |
| 118 | 8.53.150.117 |
| 119 | 8.53.150.118 |
| 120 | 8.53.150.119 |
| 121 | 8.53.150.120 |
| 122 | 8.53.150.121 |
| 123 | 8.53.150.122 |
| 124 | 8.53.150.123 |
| 125 | 8.53.150.124 |
| 126 | 8.53.150.125 |
| 127 | 8.53.150.126 |
| 128 | 8.53.150.127 |
| 129 | 8.53.150.128 |
| 130 | 8.53.150.129 |
| 131 | 8.53.150.130 |
| 132 | 8.53.150.131 |
| 133 | 8.53.150.132 |
| 134 | 8.53.150.133 |
| 135 | 8.53.150.134 |
| 136 | 8.53.150.135 |
| 137 | 8.53.150.136 |
| 138 | 8.53.150.137 |
| 139 | 8.53.150.138 |
| 140 | 8.53.150.139 |
| 141 | 8.53.150.140 |
| 142 | 8.53.150.141 |
| 143 | 8.53.150.142 |
| 144 | 8.53.150.143 |
| 145 | 8.53.150.144 |
| 146 | 8.53.150.145 |
| 147 | 8.53.150.146 |
| 148 | 8.53.150.147 |
| 149 | 8.53.150.148 |
| 150 | 8.53.150.149 |
| 151 | 8.53.150.150 |
| 152 | 8.53.150.151 |
| 153 | 8.53.150.152 |
| 154 | 8.53.150.153 |
| 155 | 8.53.150.154 |
| 156 | 8.53.150.155 |
| 157 | 8.53.150.156 |
| 158 | 8.53.150.157 |
| 159 | 8.53.150.158 |
| 160 | 8.53.150.159 |
| 161 | 8.53.150.160 |
| 162 | 8.53.150.161 |
| 163 | 8.53.150.162 |
| 164 | 8.53.150.163 |
| 165 | 8.53.150.164 |
| 166 | 8.53.150.165 |
| 167 | 8.53.150.166 |
| 168 | 8.53.150.167 |
| 169 | 8.53.150.168 |
| 170 | 8.53.150.169 |
| 171 | 8.53.150.170 |
| 172 | 8.53.150.171 |
| 173 | 8.53.150.172 |
| 174 | 8.53.150.173 |
| 175 | 8.53.150.174 |
| 176 | 8.53.150.175 |
| 177 | 8.53.150.176 |
| 178 | 8.53.150.177 |
| 179 | 8.53.150.178 |
| 180 | 8.53.150.179 |
| 181 | 8.53.150.180 |
| 182 | 8.53.150.181 |
| 183 | 8.53.150.182 |
| 184 | 8.53.150.183 |
| 185 | 8.53.150.184 |
| 186 | 8.53.150.185 |
| 187 | 8.53.150.186 |
| 188 | 8.53.150.187 |
| 189 | 8.53.150.188 |
| 190 | 8.53.150.189 |
| 191 | 8.53.150.190 |
| 192 | 8.53.150.191 |
| 193 | 8.53.150.192 |
| 194 | 8.53.150.193 |
| 195 | 8.53.150.194 |
| 196 | 8.53.150.195 |
| 197 | 8.53.150.196 |
| 198 | 8.53.150.197 |
| 199 | 8.53.150.198 |
| 200 | 8.53.150.199 |
| 201 | 8.53.150.200 |
| 202 | 8.53.150.201 |
| 203 | 8.53.150.202 |
| 204 | 8.53.150.203 |
| 205 | 8.53.150.204 |
| 206 | 8.53.150.205 |
| 207 | 8.53.150.206 |
| 208 | 8.53.150.207 |
| 209 | 8.53.150.208 |
| 210 | 8.53.150.209 |
| 211 | 8.53.150.210 |
| 212 | 8.53.150.211 |
| 213 | 8.53.150.212 |
| 214 | 8.53.150.213 |
| 215 | 8.53.150.214 |
| 216 | 8.53.150.215 |
| 217 | 8.53.150.216 |
| 218 | 8.53.150.217 |
| 219 | 8.53.150.218 |
| 220 | 8.53.150.219 |
| 221 | 8.53.150.220 |
| 222 | 8.53.150.221 |
| 223 | 8.53.150.222 |
| 224 | 8.53.150.223 |
| 225 | 8.53.150.224 |
| 226 | 8.53.150.225 |
| 227 | 8.53.150.226 |
| 228 | 8.53.150.227 |
| 229 | 8.53.150.228 |
| 230 | 8.53.150.229 |
| 231 | 8.53.150.230 |
| 232 | 8.53.150.231 |
| 233 | 8.53.150.232 |
| 234 | 8.53.150.233 |
| 235 | 8.53.150.234 |
| 236 | 8.53.150.235 |
| 237 | 8.53.150.236 |
| 238 | 8.53.150.237 |
| 239 | 8.53.150.238 |
| 240 | 8.53.150.239 |
| 241 | 8.53.150.240 |
| 242 | 8.53.150.241 |
| 243 | 8.53.150.242 |
| 244 | 8.53.150.243 |
| 245 | 8.53.150.244 |
| 246 | 8.53.150.245 |
| 247 | 8.53.150.246 |
| 248 | 8.53.150.247 |
| 249 | 8.53.150.248 |
| 250 | 8.53.150.249 |
| 251 | 8.53.150.250 |
| 252 | 8.53.150.251 |
| 253 | 8.53.150.252 |
| 254 | 8.53.150.253 |
| 255 | 8.53.150.254 |
| 256 | 8.53.150.255 |
| 257 | 8.53.151.0 |
| 258 | 8.53.151.1 |
| 259 | 8.53.151.2 |
| 260 | 8.53.151.3 |
| 261 | 8.53.151.4 |
| 262 | 8.53.151.5 |
| 263 | 8.53.151.6 |
| 264 | 8.53.151.7 |
| 265 | 8.53.151.8 |
| 266 | 8.53.151.9 |
| 267 | 8.53.151.10 |
| 268 | 8.53.151.11 |
| 269 | 8.53.151.12 |
| 270 | 8.53.151.13 |
| 271 | 8.53.151.14 |
| 272 | 8.53.151.15 |
| 273 | 8.53.151.16 |
| 274 | 8.53.151.17 |
| 275 | 8.53.151.18 |
| 276 | 8.53.151.19 |
| 277 | 8.53.151.20 |
| 278 | 8.53.151.21 |
| 279 | 8.53.151.22 |
| 280 | 8.53.151.23 |
| 281 | 8.53.151.24 |
| 282 | 8.53.151.25 |
| 283 | 8.53.151.26 |
| 284 | 8.53.151.27 |
| 285 | 8.53.151.28 |
| 286 | 8.53.151.29 |
| 287 | 8.53.151.30 |
| 288 | 8.53.151.31 |
| 289 | 8.53.151.32 |
| 290 | 8.53.151.33 |
| 291 | 8.53.151.34 |
| 292 | 8.53.151.35 |
| 293 | 8.53.151.36 |
| 294 | 8.53.151.37 |
| 295 | 8.53.151.38 |
| 296 | 8.53.151.39 |
| 297 | 8.53.151.40 |
| 298 | 8.53.151.41 |
| 299 | 8.53.151.42 |
| 300 | 8.53.151.43 |
| 301 | 8.53.151.44 |
| 302 | 8.53.151.45 |
| 303 | 8.53.151.46 |
| 304 | 8.53.151.47 |
| 305 | 8.53.151.48 |
| 306 | 8.53.151.49 |
| 307 | 8.53.151.50 |
| 308 | 8.53.151.51 |
| 309 | 8.53.151.52 |
| 310 | 8.53.151.53 |
| 311 | 8.53.151.54 |
| 312 | 8.53.151.55 |
| 313 | 8.53.151.56 |
| 314 | 8.53.151.57 |
| 315 | 8.53.151.58 |
| 316 | 8.53.151.59 |
| 317 | 8.53.151.60 |
| 318 | 8.53.151.61 |
| 319 | 8.53.151.62 |
| 320 | 8.53.151.63 |
| 321 | 8.53.151.64 |
| 322 | 8.53.151.65 |
| 323 | 8.53.151.66 |
| 324 | 8.53.151.67 |
| 325 | 8.53.151.68 |
| 326 | 8.53.151.69 |
| 327 | 8.53.151.70 |
| 328 | 8.53.151.71 |
| 329 | 8.53.151.72 |
| 330 | 8.53.151.73 |
| 331 | 8.53.151.74 |
| 332 | 8.53.151.75 |
| 333 | 8.53.151.76 |
| 334 | 8.53.151.77 |
| 335 | 8.53.151.78 |
| 336 | 8.53.151.79 |
| 337 | 8.53.151.80 |
| 338 | 8.53.151.81 |
| 339 | 8.53.151.82 |
| 340 | 8.53.151.83 |
| 341 | 8.53.151.84 |
| 342 | 8.53.151.85 |
| 343 | 8.53.151.86 |
| 344 | 8.53.151.87 |
| 345 | 8.53.151.88 |
| 346 | 8.53.151.89 |
| 347 | 8.53.151.90 |
| 348 | 8.53.151.91 |
| 349 | 8.53.151.92 |
| 350 | 8.53.151.93 |
| 351 | 8.53.151.94 |
| 352 | 8.53.151.95 |
| 353 | 8.53.151.96 |
| 354 | 8.53.151.97 |
| 355 | 8.53.151.98 |
| 356 | 8.53.151.99 |
| 357 | 8.53.151.100 |
| 358 | 8.53.151.101 |
| 359 | 8.53.151.102 |
| 360 | 8.53.151.103 |
| 361 | 8.53.151.104 |
| 362 | 8.53.151.105 |
| 363 | 8.53.151.106 |
| 364 | 8.53.151.107 |
| 365 | 8.53.151.108 |
| 366 | 8.53.151.109 |
| 367 | 8.53.151.110 |
| 368 | 8.53.151.111 |
| 369 | 8.53.151.112 |
| 370 | 8.53.151.113 |
| 371 | 8.53.151.114 |
| 372 | 8.53.151.115 |
| 373 | 8.53.151.116 |
| 374 | 8.53.151.117 |
| 375 | 8.53.151.118 |
| 376 | 8.53.151.119 |
| 377 | 8.53.151.120 |
| 378 | 8.53.151.121 |
| 379 | 8.53.151.122 |
| 380 | 8.53.151.123 |
| 381 | 8.53.151.124 |
| 382 | 8.53.151.125 |
| 383 | 8.53.151.126 |
| 384 | 8.53.151.127 |
| 385 | 8.53.151.128 |
| 386 | 8.53.151.129 |
| 387 | 8.53.151.130 |
| 388 | 8.53.151.131 |
| 389 | 8.53.151.132 |
| 390 | 8.53.151.133 |
| 391 | 8.53.151.134 |
| 392 | 8.53.151.135 |
| 393 | 8.53.151.136 |
| 394 | 8.53.151.137 |
| 395 | 8.53.151.138 |
| 396 | 8.53.151.139 |
| 397 | 8.53.151.140 |
| 398 | 8.53.151.141 |
| 399 | 8.53.151.142 |
| 400 | 8.53.151.143 |
| 401 | 8.53.151.144 |
| 402 | 8.53.151.145 |
| 403 | 8.53.151.146 |
| 404 | 8.53.151.147 |
| 405 | 8.53.151.148 |
| 406 | 8.53.151.149 |
| 407 | 8.53.151.150 |
| 408 | 8.53.151.151 |
| 409 | 8.53.151.152 |
| 410 | 8.53.151.153 |
| 411 | 8.53.151.154 |
| 412 | 8.53.151.155 |
| 413 | 8.53.151.156 |
| 414 | 8.53.151.157 |
| 415 | 8.53.151.158 |
| 416 | 8.53.151.159 |
| 417 | 8.53.151.160 |
| 418 | 8.53.151.161 |
| 419 | 8.53.151.162 |
| 420 | 8.53.151.163 |
| 421 | 8.53.151.164 |
| 422 | 8.53.151.165 |
| 423 | 8.53.151.166 |
| 424 | 8.53.151.167 |
| 425 | 8.53.151.168 |
| 426 | 8.53.151.169 |
| 427 | 8.53.151.170 |
| 428 | 8.53.151.171 |
| 429 | 8.53.151.172 |
| 430 | 8.53.151.173 |
| 431 | 8.53.151.174 |
| 432 | 8.53.151.175 |
| 433 | 8.53.151.176 |
| 434 | 8.53.151.177 |
| 435 | 8.53.151.178 |
| 436 | 8.53.151.179 |
| 437 | 8.53.151.180 |
| 438 | 8.53.151.181 |
| 439 | 8.53.151.182 |
| 440 | 8.53.151.183 |
| 441 | 8.53.151.184 |
| 442 | 8.53.151.185 |
| 443 | 8.53.151.186 |
| 444 | 8.53.151.187 |
| 445 | 8.53.151.188 |
| 446 | 8.53.151.189 |
| 447 | 8.53.151.190 |
| 448 | 8.53.151.191 |
| 449 | 8.53.151.192 |
| 450 | 8.53.151.193 |
| 451 | 8.53.151.194 |
| 452 | 8.53.151.195 |
| 453 | 8.53.151.196 |
| 454 | 8.53.151.197 |
| 455 | 8.53.151.198 |
| 456 | 8.53.151.199 |
| 457 | 8.53.151.200 |
| 458 | 8.53.151.201 |
| 459 | 8.53.151.202 |
| 460 | 8.53.151.203 |
| 461 | 8.53.151.204 |
| 462 | 8.53.151.205 |
| 463 | 8.53.151.206 |
| 464 | 8.53.151.207 |
| 465 | 8.53.151.208 |
| 466 | 8.53.151.209 |
| 467 | 8.53.151.210 |
| 468 | 8.53.151.211 |
| 469 | 8.53.151.212 |
| 470 | 8.53.151.213 |
| 471 | 8.53.151.214 |
| 472 | 8.53.151.215 |
| 473 | 8.53.151.216 |
| 474 | 8.53.151.217 |
| 475 | 8.53.151.218 |
| 476 | 8.53.151.219 |
| 477 | 8.53.151.220 |
| 478 | 8.53.151.221 |
| 479 | 8.53.151.222 |
| 480 | 8.53.151.223 |
| 481 | 8.53.151.224 |
| 482 | 8.53.151.225 |
| 483 | 8.53.151.226 |
| 484 | 8.53.151.227 |
| 485 | 8.53.151.228 |
| 486 | 8.53.151.229 |
| 487 | 8.53.151.230 |
| 488 | 8.53.151.231 |
| 489 | 8.53.151.232 |
| 490 | 8.53.151.233 |
| 491 | 8.53.151.234 |
| 492 | 8.53.151.235 |
| 493 | 8.53.151.236 |
| 494 | 8.53.151.237 |
| 495 | 8.53.151.238 |
| 496 | 8.53.151.239 |
| 497 | 8.53.151.240 |
| 498 | 8.53.151.241 |
| 499 | 8.53.151.242 |
| 500 | 8.53.151.243 |
| 501 | 8.53.151.244 |
| 502 | 8.53.151.245 |
| 503 | 8.53.151.246 |
| 504 | 8.53.151.247 |
| 505 | 8.53.151.248 |
| 506 | 8.53.151.249 |
| 507 | 8.53.151.250 |
| 508 | 8.53.151.251 |
| 509 | 8.53.151.252 |
| 510 | 8.53.151.253 |
| 511 | 8.53.151.254 |
| 512 | 8.53.151.255 |
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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