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 (66.149.118.0/23) 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 | 66.149.118.0/23 |
ネットワーク(CIDR) | 66.149.118.0/23 |
サブネット表記 | 66.149.118.0/255.255.254.0 |
短縮表記 | 66.149.118 |
IPアドレス範囲 | 66.149.118.0 - 66.149.119.255 |
IPアドレス総数 | 512 |
ネットワークIP | 66.149.118.0 |
ブロードキャストIP | 66.149.119.255 |
ホストアドレス範囲 | 66.149.118.1 - 66.149.119.254 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 | 66.149.118.0 |
2 | 66.149.118.1 |
3 | 66.149.118.2 |
4 | 66.149.118.3 |
5 | 66.149.118.4 |
6 | 66.149.118.5 |
7 | 66.149.118.6 |
8 | 66.149.118.7 |
9 | 66.149.118.8 |
10 | 66.149.118.9 |
11 | 66.149.118.10 |
12 | 66.149.118.11 |
13 | 66.149.118.12 |
14 | 66.149.118.13 |
15 | 66.149.118.14 |
16 | 66.149.118.15 |
17 | 66.149.118.16 |
18 | 66.149.118.17 |
19 | 66.149.118.18 |
20 | 66.149.118.19 |
21 | 66.149.118.20 |
22 | 66.149.118.21 |
23 | 66.149.118.22 |
24 | 66.149.118.23 |
25 | 66.149.118.24 |
26 | 66.149.118.25 |
27 | 66.149.118.26 |
28 | 66.149.118.27 |
29 | 66.149.118.28 |
30 | 66.149.118.29 |
31 | 66.149.118.30 |
32 | 66.149.118.31 |
33 | 66.149.118.32 |
34 | 66.149.118.33 |
35 | 66.149.118.34 |
36 | 66.149.118.35 |
37 | 66.149.118.36 |
38 | 66.149.118.37 |
39 | 66.149.118.38 |
40 | 66.149.118.39 |
41 | 66.149.118.40 |
42 | 66.149.118.41 |
43 | 66.149.118.42 |
44 | 66.149.118.43 |
45 | 66.149.118.44 |
46 | 66.149.118.45 |
47 | 66.149.118.46 |
48 | 66.149.118.47 |
49 | 66.149.118.48 |
50 | 66.149.118.49 |
51 | 66.149.118.50 |
52 | 66.149.118.51 |
53 | 66.149.118.52 |
54 | 66.149.118.53 |
55 | 66.149.118.54 |
56 | 66.149.118.55 |
57 | 66.149.118.56 |
58 | 66.149.118.57 |
59 | 66.149.118.58 |
60 | 66.149.118.59 |
61 | 66.149.118.60 |
62 | 66.149.118.61 |
63 | 66.149.118.62 |
64 | 66.149.118.63 |
65 | 66.149.118.64 |
66 | 66.149.118.65 |
67 | 66.149.118.66 |
68 | 66.149.118.67 |
69 | 66.149.118.68 |
70 | 66.149.118.69 |
71 | 66.149.118.70 |
72 | 66.149.118.71 |
73 | 66.149.118.72 |
74 | 66.149.118.73 |
75 | 66.149.118.74 |
76 | 66.149.118.75 |
77 | 66.149.118.76 |
78 | 66.149.118.77 |
79 | 66.149.118.78 |
80 | 66.149.118.79 |
81 | 66.149.118.80 |
82 | 66.149.118.81 |
83 | 66.149.118.82 |
84 | 66.149.118.83 |
85 | 66.149.118.84 |
86 | 66.149.118.85 |
87 | 66.149.118.86 |
88 | 66.149.118.87 |
89 | 66.149.118.88 |
90 | 66.149.118.89 |
91 | 66.149.118.90 |
92 | 66.149.118.91 |
93 | 66.149.118.92 |
94 | 66.149.118.93 |
95 | 66.149.118.94 |
96 | 66.149.118.95 |
97 | 66.149.118.96 |
98 | 66.149.118.97 |
99 | 66.149.118.98 |
100 | 66.149.118.99 |
101 | 66.149.118.100 |
102 | 66.149.118.101 |
103 | 66.149.118.102 |
104 | 66.149.118.103 |
105 | 66.149.118.104 |
106 | 66.149.118.105 |
107 | 66.149.118.106 |
108 | 66.149.118.107 |
109 | 66.149.118.108 |
110 | 66.149.118.109 |
111 | 66.149.118.110 |
112 | 66.149.118.111 |
113 | 66.149.118.112 |
114 | 66.149.118.113 |
115 | 66.149.118.114 |
116 | 66.149.118.115 |
117 | 66.149.118.116 |
118 | 66.149.118.117 |
119 | 66.149.118.118 |
120 | 66.149.118.119 |
121 | 66.149.118.120 |
122 | 66.149.118.121 |
123 | 66.149.118.122 |
124 | 66.149.118.123 |
125 | 66.149.118.124 |
126 | 66.149.118.125 |
127 | 66.149.118.126 |
128 | 66.149.118.127 |
129 | 66.149.118.128 |
130 | 66.149.118.129 |
131 | 66.149.118.130 |
132 | 66.149.118.131 |
133 | 66.149.118.132 |
134 | 66.149.118.133 |
135 | 66.149.118.134 |
136 | 66.149.118.135 |
137 | 66.149.118.136 |
138 | 66.149.118.137 |
139 | 66.149.118.138 |
140 | 66.149.118.139 |
141 | 66.149.118.140 |
142 | 66.149.118.141 |
143 | 66.149.118.142 |
144 | 66.149.118.143 |
145 | 66.149.118.144 |
146 | 66.149.118.145 |
147 | 66.149.118.146 |
148 | 66.149.118.147 |
149 | 66.149.118.148 |
150 | 66.149.118.149 |
151 | 66.149.118.150 |
152 | 66.149.118.151 |
153 | 66.149.118.152 |
154 | 66.149.118.153 |
155 | 66.149.118.154 |
156 | 66.149.118.155 |
157 | 66.149.118.156 |
158 | 66.149.118.157 |
159 | 66.149.118.158 |
160 | 66.149.118.159 |
161 | 66.149.118.160 |
162 | 66.149.118.161 |
163 | 66.149.118.162 |
164 | 66.149.118.163 |
165 | 66.149.118.164 |
166 | 66.149.118.165 |
167 | 66.149.118.166 |
168 | 66.149.118.167 |
169 | 66.149.118.168 |
170 | 66.149.118.169 |
171 | 66.149.118.170 |
172 | 66.149.118.171 |
173 | 66.149.118.172 |
174 | 66.149.118.173 |
175 | 66.149.118.174 |
176 | 66.149.118.175 |
177 | 66.149.118.176 |
178 | 66.149.118.177 |
179 | 66.149.118.178 |
180 | 66.149.118.179 |
181 | 66.149.118.180 |
182 | 66.149.118.181 |
183 | 66.149.118.182 |
184 | 66.149.118.183 |
185 | 66.149.118.184 |
186 | 66.149.118.185 |
187 | 66.149.118.186 |
188 | 66.149.118.187 |
189 | 66.149.118.188 |
190 | 66.149.118.189 |
191 | 66.149.118.190 |
192 | 66.149.118.191 |
193 | 66.149.118.192 |
194 | 66.149.118.193 |
195 | 66.149.118.194 |
196 | 66.149.118.195 |
197 | 66.149.118.196 |
198 | 66.149.118.197 |
199 | 66.149.118.198 |
200 | 66.149.118.199 |
201 | 66.149.118.200 |
202 | 66.149.118.201 |
203 | 66.149.118.202 |
204 | 66.149.118.203 |
205 | 66.149.118.204 |
206 | 66.149.118.205 |
207 | 66.149.118.206 |
208 | 66.149.118.207 |
209 | 66.149.118.208 |
210 | 66.149.118.209 |
211 | 66.149.118.210 |
212 | 66.149.118.211 |
213 | 66.149.118.212 |
214 | 66.149.118.213 |
215 | 66.149.118.214 |
216 | 66.149.118.215 |
217 | 66.149.118.216 |
218 | 66.149.118.217 |
219 | 66.149.118.218 |
220 | 66.149.118.219 |
221 | 66.149.118.220 |
222 | 66.149.118.221 |
223 | 66.149.118.222 |
224 | 66.149.118.223 |
225 | 66.149.118.224 |
226 | 66.149.118.225 |
227 | 66.149.118.226 |
228 | 66.149.118.227 |
229 | 66.149.118.228 |
230 | 66.149.118.229 |
231 | 66.149.118.230 |
232 | 66.149.118.231 |
233 | 66.149.118.232 |
234 | 66.149.118.233 |
235 | 66.149.118.234 |
236 | 66.149.118.235 |
237 | 66.149.118.236 |
238 | 66.149.118.237 |
239 | 66.149.118.238 |
240 | 66.149.118.239 |
241 | 66.149.118.240 |
242 | 66.149.118.241 |
243 | 66.149.118.242 |
244 | 66.149.118.243 |
245 | 66.149.118.244 |
246 | 66.149.118.245 |
247 | 66.149.118.246 |
248 | 66.149.118.247 |
249 | 66.149.118.248 |
250 | 66.149.118.249 |
251 | 66.149.118.250 |
252 | 66.149.118.251 |
253 | 66.149.118.252 |
254 | 66.149.118.253 |
255 | 66.149.118.254 |
256 | 66.149.118.255 |
257 | 66.149.119.0 |
258 | 66.149.119.1 |
259 | 66.149.119.2 |
260 | 66.149.119.3 |
261 | 66.149.119.4 |
262 | 66.149.119.5 |
263 | 66.149.119.6 |
264 | 66.149.119.7 |
265 | 66.149.119.8 |
266 | 66.149.119.9 |
267 | 66.149.119.10 |
268 | 66.149.119.11 |
269 | 66.149.119.12 |
270 | 66.149.119.13 |
271 | 66.149.119.14 |
272 | 66.149.119.15 |
273 | 66.149.119.16 |
274 | 66.149.119.17 |
275 | 66.149.119.18 |
276 | 66.149.119.19 |
277 | 66.149.119.20 |
278 | 66.149.119.21 |
279 | 66.149.119.22 |
280 | 66.149.119.23 |
281 | 66.149.119.24 |
282 | 66.149.119.25 |
283 | 66.149.119.26 |
284 | 66.149.119.27 |
285 | 66.149.119.28 |
286 | 66.149.119.29 |
287 | 66.149.119.30 |
288 | 66.149.119.31 |
289 | 66.149.119.32 |
290 | 66.149.119.33 |
291 | 66.149.119.34 |
292 | 66.149.119.35 |
293 | 66.149.119.36 |
294 | 66.149.119.37 |
295 | 66.149.119.38 |
296 | 66.149.119.39 |
297 | 66.149.119.40 |
298 | 66.149.119.41 |
299 | 66.149.119.42 |
300 | 66.149.119.43 |
301 | 66.149.119.44 |
302 | 66.149.119.45 |
303 | 66.149.119.46 |
304 | 66.149.119.47 |
305 | 66.149.119.48 |
306 | 66.149.119.49 |
307 | 66.149.119.50 |
308 | 66.149.119.51 |
309 | 66.149.119.52 |
310 | 66.149.119.53 |
311 | 66.149.119.54 |
312 | 66.149.119.55 |
313 | 66.149.119.56 |
314 | 66.149.119.57 |
315 | 66.149.119.58 |
316 | 66.149.119.59 |
317 | 66.149.119.60 |
318 | 66.149.119.61 |
319 | 66.149.119.62 |
320 | 66.149.119.63 |
321 | 66.149.119.64 |
322 | 66.149.119.65 |
323 | 66.149.119.66 |
324 | 66.149.119.67 |
325 | 66.149.119.68 |
326 | 66.149.119.69 |
327 | 66.149.119.70 |
328 | 66.149.119.71 |
329 | 66.149.119.72 |
330 | 66.149.119.73 |
331 | 66.149.119.74 |
332 | 66.149.119.75 |
333 | 66.149.119.76 |
334 | 66.149.119.77 |
335 | 66.149.119.78 |
336 | 66.149.119.79 |
337 | 66.149.119.80 |
338 | 66.149.119.81 |
339 | 66.149.119.82 |
340 | 66.149.119.83 |
341 | 66.149.119.84 |
342 | 66.149.119.85 |
343 | 66.149.119.86 |
344 | 66.149.119.87 |
345 | 66.149.119.88 |
346 | 66.149.119.89 |
347 | 66.149.119.90 |
348 | 66.149.119.91 |
349 | 66.149.119.92 |
350 | 66.149.119.93 |
351 | 66.149.119.94 |
352 | 66.149.119.95 |
353 | 66.149.119.96 |
354 | 66.149.119.97 |
355 | 66.149.119.98 |
356 | 66.149.119.99 |
357 | 66.149.119.100 |
358 | 66.149.119.101 |
359 | 66.149.119.102 |
360 | 66.149.119.103 |
361 | 66.149.119.104 |
362 | 66.149.119.105 |
363 | 66.149.119.106 |
364 | 66.149.119.107 |
365 | 66.149.119.108 |
366 | 66.149.119.109 |
367 | 66.149.119.110 |
368 | 66.149.119.111 |
369 | 66.149.119.112 |
370 | 66.149.119.113 |
371 | 66.149.119.114 |
372 | 66.149.119.115 |
373 | 66.149.119.116 |
374 | 66.149.119.117 |
375 | 66.149.119.118 |
376 | 66.149.119.119 |
377 | 66.149.119.120 |
378 | 66.149.119.121 |
379 | 66.149.119.122 |
380 | 66.149.119.123 |
381 | 66.149.119.124 |
382 | 66.149.119.125 |
383 | 66.149.119.126 |
384 | 66.149.119.127 |
385 | 66.149.119.128 |
386 | 66.149.119.129 |
387 | 66.149.119.130 |
388 | 66.149.119.131 |
389 | 66.149.119.132 |
390 | 66.149.119.133 |
391 | 66.149.119.134 |
392 | 66.149.119.135 |
393 | 66.149.119.136 |
394 | 66.149.119.137 |
395 | 66.149.119.138 |
396 | 66.149.119.139 |
397 | 66.149.119.140 |
398 | 66.149.119.141 |
399 | 66.149.119.142 |
400 | 66.149.119.143 |
401 | 66.149.119.144 |
402 | 66.149.119.145 |
403 | 66.149.119.146 |
404 | 66.149.119.147 |
405 | 66.149.119.148 |
406 | 66.149.119.149 |
407 | 66.149.119.150 |
408 | 66.149.119.151 |
409 | 66.149.119.152 |
410 | 66.149.119.153 |
411 | 66.149.119.154 |
412 | 66.149.119.155 |
413 | 66.149.119.156 |
414 | 66.149.119.157 |
415 | 66.149.119.158 |
416 | 66.149.119.159 |
417 | 66.149.119.160 |
418 | 66.149.119.161 |
419 | 66.149.119.162 |
420 | 66.149.119.163 |
421 | 66.149.119.164 |
422 | 66.149.119.165 |
423 | 66.149.119.166 |
424 | 66.149.119.167 |
425 | 66.149.119.168 |
426 | 66.149.119.169 |
427 | 66.149.119.170 |
428 | 66.149.119.171 |
429 | 66.149.119.172 |
430 | 66.149.119.173 |
431 | 66.149.119.174 |
432 | 66.149.119.175 |
433 | 66.149.119.176 |
434 | 66.149.119.177 |
435 | 66.149.119.178 |
436 | 66.149.119.179 |
437 | 66.149.119.180 |
438 | 66.149.119.181 |
439 | 66.149.119.182 |
440 | 66.149.119.183 |
441 | 66.149.119.184 |
442 | 66.149.119.185 |
443 | 66.149.119.186 |
444 | 66.149.119.187 |
445 | 66.149.119.188 |
446 | 66.149.119.189 |
447 | 66.149.119.190 |
448 | 66.149.119.191 |
449 | 66.149.119.192 |
450 | 66.149.119.193 |
451 | 66.149.119.194 |
452 | 66.149.119.195 |
453 | 66.149.119.196 |
454 | 66.149.119.197 |
455 | 66.149.119.198 |
456 | 66.149.119.199 |
457 | 66.149.119.200 |
458 | 66.149.119.201 |
459 | 66.149.119.202 |
460 | 66.149.119.203 |
461 | 66.149.119.204 |
462 | 66.149.119.205 |
463 | 66.149.119.206 |
464 | 66.149.119.207 |
465 | 66.149.119.208 |
466 | 66.149.119.209 |
467 | 66.149.119.210 |
468 | 66.149.119.211 |
469 | 66.149.119.212 |
470 | 66.149.119.213 |
471 | 66.149.119.214 |
472 | 66.149.119.215 |
473 | 66.149.119.216 |
474 | 66.149.119.217 |
475 | 66.149.119.218 |
476 | 66.149.119.219 |
477 | 66.149.119.220 |
478 | 66.149.119.221 |
479 | 66.149.119.222 |
480 | 66.149.119.223 |
481 | 66.149.119.224 |
482 | 66.149.119.225 |
483 | 66.149.119.226 |
484 | 66.149.119.227 |
485 | 66.149.119.228 |
486 | 66.149.119.229 |
487 | 66.149.119.230 |
488 | 66.149.119.231 |
489 | 66.149.119.232 |
490 | 66.149.119.233 |
491 | 66.149.119.234 |
492 | 66.149.119.235 |
493 | 66.149.119.236 |
494 | 66.149.119.237 |
495 | 66.149.119.238 |
496 | 66.149.119.239 |
497 | 66.149.119.240 |
498 | 66.149.119.241 |
499 | 66.149.119.242 |
500 | 66.149.119.243 |
501 | 66.149.119.244 |
502 | 66.149.119.245 |
503 | 66.149.119.246 |
504 | 66.149.119.247 |
505 | 66.149.119.248 |
506 | 66.149.119.249 |
507 | 66.149.119.250 |
508 | 66.149.119.251 |
509 | 66.149.119.252 |
510 | 66.149.119.253 |
511 | 66.149.119.254 |
512 | 66.149.119.255 |
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