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 (41.21.104.0/23) 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 | 41.21.104.0/23 |
ネットワーク(CIDR) | 41.21.104.0/23 |
サブネット表記 | 41.21.104.0/255.255.254.0 |
短縮表記 | 41.21.104 |
IPアドレス範囲 | 41.21.104.0 - 41.21.105.255 |
IPアドレス総数 | 512 |
ネットワークIP | 41.21.104.0 |
ブロードキャストIP | 41.21.105.255 |
ホストアドレス範囲 | 41.21.104.1 - 41.21.105.254 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 | 41.21.104.0 |
2 | 41.21.104.1 |
3 | 41.21.104.2 |
4 | 41.21.104.3 |
5 | 41.21.104.4 |
6 | 41.21.104.5 |
7 | 41.21.104.6 |
8 | 41.21.104.7 |
9 | 41.21.104.8 |
10 | 41.21.104.9 |
11 | 41.21.104.10 |
12 | 41.21.104.11 |
13 | 41.21.104.12 |
14 | 41.21.104.13 |
15 | 41.21.104.14 |
16 | 41.21.104.15 |
17 | 41.21.104.16 |
18 | 41.21.104.17 |
19 | 41.21.104.18 |
20 | 41.21.104.19 |
21 | 41.21.104.20 |
22 | 41.21.104.21 |
23 | 41.21.104.22 |
24 | 41.21.104.23 |
25 | 41.21.104.24 |
26 | 41.21.104.25 |
27 | 41.21.104.26 |
28 | 41.21.104.27 |
29 | 41.21.104.28 |
30 | 41.21.104.29 |
31 | 41.21.104.30 |
32 | 41.21.104.31 |
33 | 41.21.104.32 |
34 | 41.21.104.33 |
35 | 41.21.104.34 |
36 | 41.21.104.35 |
37 | 41.21.104.36 |
38 | 41.21.104.37 |
39 | 41.21.104.38 |
40 | 41.21.104.39 |
41 | 41.21.104.40 |
42 | 41.21.104.41 |
43 | 41.21.104.42 |
44 | 41.21.104.43 |
45 | 41.21.104.44 |
46 | 41.21.104.45 |
47 | 41.21.104.46 |
48 | 41.21.104.47 |
49 | 41.21.104.48 |
50 | 41.21.104.49 |
51 | 41.21.104.50 |
52 | 41.21.104.51 |
53 | 41.21.104.52 |
54 | 41.21.104.53 |
55 | 41.21.104.54 |
56 | 41.21.104.55 |
57 | 41.21.104.56 |
58 | 41.21.104.57 |
59 | 41.21.104.58 |
60 | 41.21.104.59 |
61 | 41.21.104.60 |
62 | 41.21.104.61 |
63 | 41.21.104.62 |
64 | 41.21.104.63 |
65 | 41.21.104.64 |
66 | 41.21.104.65 |
67 | 41.21.104.66 |
68 | 41.21.104.67 |
69 | 41.21.104.68 |
70 | 41.21.104.69 |
71 | 41.21.104.70 |
72 | 41.21.104.71 |
73 | 41.21.104.72 |
74 | 41.21.104.73 |
75 | 41.21.104.74 |
76 | 41.21.104.75 |
77 | 41.21.104.76 |
78 | 41.21.104.77 |
79 | 41.21.104.78 |
80 | 41.21.104.79 |
81 | 41.21.104.80 |
82 | 41.21.104.81 |
83 | 41.21.104.82 |
84 | 41.21.104.83 |
85 | 41.21.104.84 |
86 | 41.21.104.85 |
87 | 41.21.104.86 |
88 | 41.21.104.87 |
89 | 41.21.104.88 |
90 | 41.21.104.89 |
91 | 41.21.104.90 |
92 | 41.21.104.91 |
93 | 41.21.104.92 |
94 | 41.21.104.93 |
95 | 41.21.104.94 |
96 | 41.21.104.95 |
97 | 41.21.104.96 |
98 | 41.21.104.97 |
99 | 41.21.104.98 |
100 | 41.21.104.99 |
101 | 41.21.104.100 |
102 | 41.21.104.101 |
103 | 41.21.104.102 |
104 | 41.21.104.103 |
105 | 41.21.104.104 |
106 | 41.21.104.105 |
107 | 41.21.104.106 |
108 | 41.21.104.107 |
109 | 41.21.104.108 |
110 | 41.21.104.109 |
111 | 41.21.104.110 |
112 | 41.21.104.111 |
113 | 41.21.104.112 |
114 | 41.21.104.113 |
115 | 41.21.104.114 |
116 | 41.21.104.115 |
117 | 41.21.104.116 |
118 | 41.21.104.117 |
119 | 41.21.104.118 |
120 | 41.21.104.119 |
121 | 41.21.104.120 |
122 | 41.21.104.121 |
123 | 41.21.104.122 |
124 | 41.21.104.123 |
125 | 41.21.104.124 |
126 | 41.21.104.125 |
127 | 41.21.104.126 |
128 | 41.21.104.127 |
129 | 41.21.104.128 |
130 | 41.21.104.129 |
131 | 41.21.104.130 |
132 | 41.21.104.131 |
133 | 41.21.104.132 |
134 | 41.21.104.133 |
135 | 41.21.104.134 |
136 | 41.21.104.135 |
137 | 41.21.104.136 |
138 | 41.21.104.137 |
139 | 41.21.104.138 |
140 | 41.21.104.139 |
141 | 41.21.104.140 |
142 | 41.21.104.141 |
143 | 41.21.104.142 |
144 | 41.21.104.143 |
145 | 41.21.104.144 |
146 | 41.21.104.145 |
147 | 41.21.104.146 |
148 | 41.21.104.147 |
149 | 41.21.104.148 |
150 | 41.21.104.149 |
151 | 41.21.104.150 |
152 | 41.21.104.151 |
153 | 41.21.104.152 |
154 | 41.21.104.153 |
155 | 41.21.104.154 |
156 | 41.21.104.155 |
157 | 41.21.104.156 |
158 | 41.21.104.157 |
159 | 41.21.104.158 |
160 | 41.21.104.159 |
161 | 41.21.104.160 |
162 | 41.21.104.161 |
163 | 41.21.104.162 |
164 | 41.21.104.163 |
165 | 41.21.104.164 |
166 | 41.21.104.165 |
167 | 41.21.104.166 |
168 | 41.21.104.167 |
169 | 41.21.104.168 |
170 | 41.21.104.169 |
171 | 41.21.104.170 |
172 | 41.21.104.171 |
173 | 41.21.104.172 |
174 | 41.21.104.173 |
175 | 41.21.104.174 |
176 | 41.21.104.175 |
177 | 41.21.104.176 |
178 | 41.21.104.177 |
179 | 41.21.104.178 |
180 | 41.21.104.179 |
181 | 41.21.104.180 |
182 | 41.21.104.181 |
183 | 41.21.104.182 |
184 | 41.21.104.183 |
185 | 41.21.104.184 |
186 | 41.21.104.185 |
187 | 41.21.104.186 |
188 | 41.21.104.187 |
189 | 41.21.104.188 |
190 | 41.21.104.189 |
191 | 41.21.104.190 |
192 | 41.21.104.191 |
193 | 41.21.104.192 |
194 | 41.21.104.193 |
195 | 41.21.104.194 |
196 | 41.21.104.195 |
197 | 41.21.104.196 |
198 | 41.21.104.197 |
199 | 41.21.104.198 |
200 | 41.21.104.199 |
201 | 41.21.104.200 |
202 | 41.21.104.201 |
203 | 41.21.104.202 |
204 | 41.21.104.203 |
205 | 41.21.104.204 |
206 | 41.21.104.205 |
207 | 41.21.104.206 |
208 | 41.21.104.207 |
209 | 41.21.104.208 |
210 | 41.21.104.209 |
211 | 41.21.104.210 |
212 | 41.21.104.211 |
213 | 41.21.104.212 |
214 | 41.21.104.213 |
215 | 41.21.104.214 |
216 | 41.21.104.215 |
217 | 41.21.104.216 |
218 | 41.21.104.217 |
219 | 41.21.104.218 |
220 | 41.21.104.219 |
221 | 41.21.104.220 |
222 | 41.21.104.221 |
223 | 41.21.104.222 |
224 | 41.21.104.223 |
225 | 41.21.104.224 |
226 | 41.21.104.225 |
227 | 41.21.104.226 |
228 | 41.21.104.227 |
229 | 41.21.104.228 |
230 | 41.21.104.229 |
231 | 41.21.104.230 |
232 | 41.21.104.231 |
233 | 41.21.104.232 |
234 | 41.21.104.233 |
235 | 41.21.104.234 |
236 | 41.21.104.235 |
237 | 41.21.104.236 |
238 | 41.21.104.237 |
239 | 41.21.104.238 |
240 | 41.21.104.239 |
241 | 41.21.104.240 |
242 | 41.21.104.241 |
243 | 41.21.104.242 |
244 | 41.21.104.243 |
245 | 41.21.104.244 |
246 | 41.21.104.245 |
247 | 41.21.104.246 |
248 | 41.21.104.247 |
249 | 41.21.104.248 |
250 | 41.21.104.249 |
251 | 41.21.104.250 |
252 | 41.21.104.251 |
253 | 41.21.104.252 |
254 | 41.21.104.253 |
255 | 41.21.104.254 |
256 | 41.21.104.255 |
257 | 41.21.105.0 |
258 | 41.21.105.1 |
259 | 41.21.105.2 |
260 | 41.21.105.3 |
261 | 41.21.105.4 |
262 | 41.21.105.5 |
263 | 41.21.105.6 |
264 | 41.21.105.7 |
265 | 41.21.105.8 |
266 | 41.21.105.9 |
267 | 41.21.105.10 |
268 | 41.21.105.11 |
269 | 41.21.105.12 |
270 | 41.21.105.13 |
271 | 41.21.105.14 |
272 | 41.21.105.15 |
273 | 41.21.105.16 |
274 | 41.21.105.17 |
275 | 41.21.105.18 |
276 | 41.21.105.19 |
277 | 41.21.105.20 |
278 | 41.21.105.21 |
279 | 41.21.105.22 |
280 | 41.21.105.23 |
281 | 41.21.105.24 |
282 | 41.21.105.25 |
283 | 41.21.105.26 |
284 | 41.21.105.27 |
285 | 41.21.105.28 |
286 | 41.21.105.29 |
287 | 41.21.105.30 |
288 | 41.21.105.31 |
289 | 41.21.105.32 |
290 | 41.21.105.33 |
291 | 41.21.105.34 |
292 | 41.21.105.35 |
293 | 41.21.105.36 |
294 | 41.21.105.37 |
295 | 41.21.105.38 |
296 | 41.21.105.39 |
297 | 41.21.105.40 |
298 | 41.21.105.41 |
299 | 41.21.105.42 |
300 | 41.21.105.43 |
301 | 41.21.105.44 |
302 | 41.21.105.45 |
303 | 41.21.105.46 |
304 | 41.21.105.47 |
305 | 41.21.105.48 |
306 | 41.21.105.49 |
307 | 41.21.105.50 |
308 | 41.21.105.51 |
309 | 41.21.105.52 |
310 | 41.21.105.53 |
311 | 41.21.105.54 |
312 | 41.21.105.55 |
313 | 41.21.105.56 |
314 | 41.21.105.57 |
315 | 41.21.105.58 |
316 | 41.21.105.59 |
317 | 41.21.105.60 |
318 | 41.21.105.61 |
319 | 41.21.105.62 |
320 | 41.21.105.63 |
321 | 41.21.105.64 |
322 | 41.21.105.65 |
323 | 41.21.105.66 |
324 | 41.21.105.67 |
325 | 41.21.105.68 |
326 | 41.21.105.69 |
327 | 41.21.105.70 |
328 | 41.21.105.71 |
329 | 41.21.105.72 |
330 | 41.21.105.73 |
331 | 41.21.105.74 |
332 | 41.21.105.75 |
333 | 41.21.105.76 |
334 | 41.21.105.77 |
335 | 41.21.105.78 |
336 | 41.21.105.79 |
337 | 41.21.105.80 |
338 | 41.21.105.81 |
339 | 41.21.105.82 |
340 | 41.21.105.83 |
341 | 41.21.105.84 |
342 | 41.21.105.85 |
343 | 41.21.105.86 |
344 | 41.21.105.87 |
345 | 41.21.105.88 |
346 | 41.21.105.89 |
347 | 41.21.105.90 |
348 | 41.21.105.91 |
349 | 41.21.105.92 |
350 | 41.21.105.93 |
351 | 41.21.105.94 |
352 | 41.21.105.95 |
353 | 41.21.105.96 |
354 | 41.21.105.97 |
355 | 41.21.105.98 |
356 | 41.21.105.99 |
357 | 41.21.105.100 |
358 | 41.21.105.101 |
359 | 41.21.105.102 |
360 | 41.21.105.103 |
361 | 41.21.105.104 |
362 | 41.21.105.105 |
363 | 41.21.105.106 |
364 | 41.21.105.107 |
365 | 41.21.105.108 |
366 | 41.21.105.109 |
367 | 41.21.105.110 |
368 | 41.21.105.111 |
369 | 41.21.105.112 |
370 | 41.21.105.113 |
371 | 41.21.105.114 |
372 | 41.21.105.115 |
373 | 41.21.105.116 |
374 | 41.21.105.117 |
375 | 41.21.105.118 |
376 | 41.21.105.119 |
377 | 41.21.105.120 |
378 | 41.21.105.121 |
379 | 41.21.105.122 |
380 | 41.21.105.123 |
381 | 41.21.105.124 |
382 | 41.21.105.125 |
383 | 41.21.105.126 |
384 | 41.21.105.127 |
385 | 41.21.105.128 |
386 | 41.21.105.129 |
387 | 41.21.105.130 |
388 | 41.21.105.131 |
389 | 41.21.105.132 |
390 | 41.21.105.133 |
391 | 41.21.105.134 |
392 | 41.21.105.135 |
393 | 41.21.105.136 |
394 | 41.21.105.137 |
395 | 41.21.105.138 |
396 | 41.21.105.139 |
397 | 41.21.105.140 |
398 | 41.21.105.141 |
399 | 41.21.105.142 |
400 | 41.21.105.143 |
401 | 41.21.105.144 |
402 | 41.21.105.145 |
403 | 41.21.105.146 |
404 | 41.21.105.147 |
405 | 41.21.105.148 |
406 | 41.21.105.149 |
407 | 41.21.105.150 |
408 | 41.21.105.151 |
409 | 41.21.105.152 |
410 | 41.21.105.153 |
411 | 41.21.105.154 |
412 | 41.21.105.155 |
413 | 41.21.105.156 |
414 | 41.21.105.157 |
415 | 41.21.105.158 |
416 | 41.21.105.159 |
417 | 41.21.105.160 |
418 | 41.21.105.161 |
419 | 41.21.105.162 |
420 | 41.21.105.163 |
421 | 41.21.105.164 |
422 | 41.21.105.165 |
423 | 41.21.105.166 |
424 | 41.21.105.167 |
425 | 41.21.105.168 |
426 | 41.21.105.169 |
427 | 41.21.105.170 |
428 | 41.21.105.171 |
429 | 41.21.105.172 |
430 | 41.21.105.173 |
431 | 41.21.105.174 |
432 | 41.21.105.175 |
433 | 41.21.105.176 |
434 | 41.21.105.177 |
435 | 41.21.105.178 |
436 | 41.21.105.179 |
437 | 41.21.105.180 |
438 | 41.21.105.181 |
439 | 41.21.105.182 |
440 | 41.21.105.183 |
441 | 41.21.105.184 |
442 | 41.21.105.185 |
443 | 41.21.105.186 |
444 | 41.21.105.187 |
445 | 41.21.105.188 |
446 | 41.21.105.189 |
447 | 41.21.105.190 |
448 | 41.21.105.191 |
449 | 41.21.105.192 |
450 | 41.21.105.193 |
451 | 41.21.105.194 |
452 | 41.21.105.195 |
453 | 41.21.105.196 |
454 | 41.21.105.197 |
455 | 41.21.105.198 |
456 | 41.21.105.199 |
457 | 41.21.105.200 |
458 | 41.21.105.201 |
459 | 41.21.105.202 |
460 | 41.21.105.203 |
461 | 41.21.105.204 |
462 | 41.21.105.205 |
463 | 41.21.105.206 |
464 | 41.21.105.207 |
465 | 41.21.105.208 |
466 | 41.21.105.209 |
467 | 41.21.105.210 |
468 | 41.21.105.211 |
469 | 41.21.105.212 |
470 | 41.21.105.213 |
471 | 41.21.105.214 |
472 | 41.21.105.215 |
473 | 41.21.105.216 |
474 | 41.21.105.217 |
475 | 41.21.105.218 |
476 | 41.21.105.219 |
477 | 41.21.105.220 |
478 | 41.21.105.221 |
479 | 41.21.105.222 |
480 | 41.21.105.223 |
481 | 41.21.105.224 |
482 | 41.21.105.225 |
483 | 41.21.105.226 |
484 | 41.21.105.227 |
485 | 41.21.105.228 |
486 | 41.21.105.229 |
487 | 41.21.105.230 |
488 | 41.21.105.231 |
489 | 41.21.105.232 |
490 | 41.21.105.233 |
491 | 41.21.105.234 |
492 | 41.21.105.235 |
493 | 41.21.105.236 |
494 | 41.21.105.237 |
495 | 41.21.105.238 |
496 | 41.21.105.239 |
497 | 41.21.105.240 |
498 | 41.21.105.241 |
499 | 41.21.105.242 |
500 | 41.21.105.243 |
501 | 41.21.105.244 |
502 | 41.21.105.245 |
503 | 41.21.105.246 |
504 | 41.21.105.247 |
505 | 41.21.105.248 |
506 | 41.21.105.249 |
507 | 41.21.105.250 |
508 | 41.21.105.251 |
509 | 41.21.105.252 |
510 | 41.21.105.253 |
511 | 41.21.105.254 |
512 | 41.21.105.255 |
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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公開日:
最終更新日:2019/07/06