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 (58.102.142.0/23) 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 | 58.102.142.0/23 |
ネットワーク(CIDR) | 58.102.142.0/23 |
サブネット表記 | 58.102.142.0/255.255.254.0 |
短縮表記 | 58.102.142 |
IPアドレス範囲 | 58.102.142.0 - 58.102.143.255 |
IPアドレス総数 | 512 |
ネットワークIP | 58.102.142.0 |
ブロードキャストIP | 58.102.143.255 |
ホストアドレス範囲 | 58.102.142.1 - 58.102.143.254 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 | 58.102.142.0 |
2 | 58.102.142.1 |
3 | 58.102.142.2 |
4 | 58.102.142.3 |
5 | 58.102.142.4 |
6 | 58.102.142.5 |
7 | 58.102.142.6 |
8 | 58.102.142.7 |
9 | 58.102.142.8 |
10 | 58.102.142.9 |
11 | 58.102.142.10 |
12 | 58.102.142.11 |
13 | 58.102.142.12 |
14 | 58.102.142.13 |
15 | 58.102.142.14 |
16 | 58.102.142.15 |
17 | 58.102.142.16 |
18 | 58.102.142.17 |
19 | 58.102.142.18 |
20 | 58.102.142.19 |
21 | 58.102.142.20 |
22 | 58.102.142.21 |
23 | 58.102.142.22 |
24 | 58.102.142.23 |
25 | 58.102.142.24 |
26 | 58.102.142.25 |
27 | 58.102.142.26 |
28 | 58.102.142.27 |
29 | 58.102.142.28 |
30 | 58.102.142.29 |
31 | 58.102.142.30 |
32 | 58.102.142.31 |
33 | 58.102.142.32 |
34 | 58.102.142.33 |
35 | 58.102.142.34 |
36 | 58.102.142.35 |
37 | 58.102.142.36 |
38 | 58.102.142.37 |
39 | 58.102.142.38 |
40 | 58.102.142.39 |
41 | 58.102.142.40 |
42 | 58.102.142.41 |
43 | 58.102.142.42 |
44 | 58.102.142.43 |
45 | 58.102.142.44 |
46 | 58.102.142.45 |
47 | 58.102.142.46 |
48 | 58.102.142.47 |
49 | 58.102.142.48 |
50 | 58.102.142.49 |
51 | 58.102.142.50 |
52 | 58.102.142.51 |
53 | 58.102.142.52 |
54 | 58.102.142.53 |
55 | 58.102.142.54 |
56 | 58.102.142.55 |
57 | 58.102.142.56 |
58 | 58.102.142.57 |
59 | 58.102.142.58 |
60 | 58.102.142.59 |
61 | 58.102.142.60 |
62 | 58.102.142.61 |
63 | 58.102.142.62 |
64 | 58.102.142.63 |
65 | 58.102.142.64 |
66 | 58.102.142.65 |
67 | 58.102.142.66 |
68 | 58.102.142.67 |
69 | 58.102.142.68 |
70 | 58.102.142.69 |
71 | 58.102.142.70 |
72 | 58.102.142.71 |
73 | 58.102.142.72 |
74 | 58.102.142.73 |
75 | 58.102.142.74 |
76 | 58.102.142.75 |
77 | 58.102.142.76 |
78 | 58.102.142.77 |
79 | 58.102.142.78 |
80 | 58.102.142.79 |
81 | 58.102.142.80 |
82 | 58.102.142.81 |
83 | 58.102.142.82 |
84 | 58.102.142.83 |
85 | 58.102.142.84 |
86 | 58.102.142.85 |
87 | 58.102.142.86 |
88 | 58.102.142.87 |
89 | 58.102.142.88 |
90 | 58.102.142.89 |
91 | 58.102.142.90 |
92 | 58.102.142.91 |
93 | 58.102.142.92 |
94 | 58.102.142.93 |
95 | 58.102.142.94 |
96 | 58.102.142.95 |
97 | 58.102.142.96 |
98 | 58.102.142.97 |
99 | 58.102.142.98 |
100 | 58.102.142.99 |
101 | 58.102.142.100 |
102 | 58.102.142.101 |
103 | 58.102.142.102 |
104 | 58.102.142.103 |
105 | 58.102.142.104 |
106 | 58.102.142.105 |
107 | 58.102.142.106 |
108 | 58.102.142.107 |
109 | 58.102.142.108 |
110 | 58.102.142.109 |
111 | 58.102.142.110 |
112 | 58.102.142.111 |
113 | 58.102.142.112 |
114 | 58.102.142.113 |
115 | 58.102.142.114 |
116 | 58.102.142.115 |
117 | 58.102.142.116 |
118 | 58.102.142.117 |
119 | 58.102.142.118 |
120 | 58.102.142.119 |
121 | 58.102.142.120 |
122 | 58.102.142.121 |
123 | 58.102.142.122 |
124 | 58.102.142.123 |
125 | 58.102.142.124 |
126 | 58.102.142.125 |
127 | 58.102.142.126 |
128 | 58.102.142.127 |
129 | 58.102.142.128 |
130 | 58.102.142.129 |
131 | 58.102.142.130 |
132 | 58.102.142.131 |
133 | 58.102.142.132 |
134 | 58.102.142.133 |
135 | 58.102.142.134 |
136 | 58.102.142.135 |
137 | 58.102.142.136 |
138 | 58.102.142.137 |
139 | 58.102.142.138 |
140 | 58.102.142.139 |
141 | 58.102.142.140 |
142 | 58.102.142.141 |
143 | 58.102.142.142 |
144 | 58.102.142.143 |
145 | 58.102.142.144 |
146 | 58.102.142.145 |
147 | 58.102.142.146 |
148 | 58.102.142.147 |
149 | 58.102.142.148 |
150 | 58.102.142.149 |
151 | 58.102.142.150 |
152 | 58.102.142.151 |
153 | 58.102.142.152 |
154 | 58.102.142.153 |
155 | 58.102.142.154 |
156 | 58.102.142.155 |
157 | 58.102.142.156 |
158 | 58.102.142.157 |
159 | 58.102.142.158 |
160 | 58.102.142.159 |
161 | 58.102.142.160 |
162 | 58.102.142.161 |
163 | 58.102.142.162 |
164 | 58.102.142.163 |
165 | 58.102.142.164 |
166 | 58.102.142.165 |
167 | 58.102.142.166 |
168 | 58.102.142.167 |
169 | 58.102.142.168 |
170 | 58.102.142.169 |
171 | 58.102.142.170 |
172 | 58.102.142.171 |
173 | 58.102.142.172 |
174 | 58.102.142.173 |
175 | 58.102.142.174 |
176 | 58.102.142.175 |
177 | 58.102.142.176 |
178 | 58.102.142.177 |
179 | 58.102.142.178 |
180 | 58.102.142.179 |
181 | 58.102.142.180 |
182 | 58.102.142.181 |
183 | 58.102.142.182 |
184 | 58.102.142.183 |
185 | 58.102.142.184 |
186 | 58.102.142.185 |
187 | 58.102.142.186 |
188 | 58.102.142.187 |
189 | 58.102.142.188 |
190 | 58.102.142.189 |
191 | 58.102.142.190 |
192 | 58.102.142.191 |
193 | 58.102.142.192 |
194 | 58.102.142.193 |
195 | 58.102.142.194 |
196 | 58.102.142.195 |
197 | 58.102.142.196 |
198 | 58.102.142.197 |
199 | 58.102.142.198 |
200 | 58.102.142.199 |
201 | 58.102.142.200 |
202 | 58.102.142.201 |
203 | 58.102.142.202 |
204 | 58.102.142.203 |
205 | 58.102.142.204 |
206 | 58.102.142.205 |
207 | 58.102.142.206 |
208 | 58.102.142.207 |
209 | 58.102.142.208 |
210 | 58.102.142.209 |
211 | 58.102.142.210 |
212 | 58.102.142.211 |
213 | 58.102.142.212 |
214 | 58.102.142.213 |
215 | 58.102.142.214 |
216 | 58.102.142.215 |
217 | 58.102.142.216 |
218 | 58.102.142.217 |
219 | 58.102.142.218 |
220 | 58.102.142.219 |
221 | 58.102.142.220 |
222 | 58.102.142.221 |
223 | 58.102.142.222 |
224 | 58.102.142.223 |
225 | 58.102.142.224 |
226 | 58.102.142.225 |
227 | 58.102.142.226 |
228 | 58.102.142.227 |
229 | 58.102.142.228 |
230 | 58.102.142.229 |
231 | 58.102.142.230 |
232 | 58.102.142.231 |
233 | 58.102.142.232 |
234 | 58.102.142.233 |
235 | 58.102.142.234 |
236 | 58.102.142.235 |
237 | 58.102.142.236 |
238 | 58.102.142.237 |
239 | 58.102.142.238 |
240 | 58.102.142.239 |
241 | 58.102.142.240 |
242 | 58.102.142.241 |
243 | 58.102.142.242 |
244 | 58.102.142.243 |
245 | 58.102.142.244 |
246 | 58.102.142.245 |
247 | 58.102.142.246 |
248 | 58.102.142.247 |
249 | 58.102.142.248 |
250 | 58.102.142.249 |
251 | 58.102.142.250 |
252 | 58.102.142.251 |
253 | 58.102.142.252 |
254 | 58.102.142.253 |
255 | 58.102.142.254 |
256 | 58.102.142.255 |
257 | 58.102.143.0 |
258 | 58.102.143.1 |
259 | 58.102.143.2 |
260 | 58.102.143.3 |
261 | 58.102.143.4 |
262 | 58.102.143.5 |
263 | 58.102.143.6 |
264 | 58.102.143.7 |
265 | 58.102.143.8 |
266 | 58.102.143.9 |
267 | 58.102.143.10 |
268 | 58.102.143.11 |
269 | 58.102.143.12 |
270 | 58.102.143.13 |
271 | 58.102.143.14 |
272 | 58.102.143.15 |
273 | 58.102.143.16 |
274 | 58.102.143.17 |
275 | 58.102.143.18 |
276 | 58.102.143.19 |
277 | 58.102.143.20 |
278 | 58.102.143.21 |
279 | 58.102.143.22 |
280 | 58.102.143.23 |
281 | 58.102.143.24 |
282 | 58.102.143.25 |
283 | 58.102.143.26 |
284 | 58.102.143.27 |
285 | 58.102.143.28 |
286 | 58.102.143.29 |
287 | 58.102.143.30 |
288 | 58.102.143.31 |
289 | 58.102.143.32 |
290 | 58.102.143.33 |
291 | 58.102.143.34 |
292 | 58.102.143.35 |
293 | 58.102.143.36 |
294 | 58.102.143.37 |
295 | 58.102.143.38 |
296 | 58.102.143.39 |
297 | 58.102.143.40 |
298 | 58.102.143.41 |
299 | 58.102.143.42 |
300 | 58.102.143.43 |
301 | 58.102.143.44 |
302 | 58.102.143.45 |
303 | 58.102.143.46 |
304 | 58.102.143.47 |
305 | 58.102.143.48 |
306 | 58.102.143.49 |
307 | 58.102.143.50 |
308 | 58.102.143.51 |
309 | 58.102.143.52 |
310 | 58.102.143.53 |
311 | 58.102.143.54 |
312 | 58.102.143.55 |
313 | 58.102.143.56 |
314 | 58.102.143.57 |
315 | 58.102.143.58 |
316 | 58.102.143.59 |
317 | 58.102.143.60 |
318 | 58.102.143.61 |
319 | 58.102.143.62 |
320 | 58.102.143.63 |
321 | 58.102.143.64 |
322 | 58.102.143.65 |
323 | 58.102.143.66 |
324 | 58.102.143.67 |
325 | 58.102.143.68 |
326 | 58.102.143.69 |
327 | 58.102.143.70 |
328 | 58.102.143.71 |
329 | 58.102.143.72 |
330 | 58.102.143.73 |
331 | 58.102.143.74 |
332 | 58.102.143.75 |
333 | 58.102.143.76 |
334 | 58.102.143.77 |
335 | 58.102.143.78 |
336 | 58.102.143.79 |
337 | 58.102.143.80 |
338 | 58.102.143.81 |
339 | 58.102.143.82 |
340 | 58.102.143.83 |
341 | 58.102.143.84 |
342 | 58.102.143.85 |
343 | 58.102.143.86 |
344 | 58.102.143.87 |
345 | 58.102.143.88 |
346 | 58.102.143.89 |
347 | 58.102.143.90 |
348 | 58.102.143.91 |
349 | 58.102.143.92 |
350 | 58.102.143.93 |
351 | 58.102.143.94 |
352 | 58.102.143.95 |
353 | 58.102.143.96 |
354 | 58.102.143.97 |
355 | 58.102.143.98 |
356 | 58.102.143.99 |
357 | 58.102.143.100 |
358 | 58.102.143.101 |
359 | 58.102.143.102 |
360 | 58.102.143.103 |
361 | 58.102.143.104 |
362 | 58.102.143.105 |
363 | 58.102.143.106 |
364 | 58.102.143.107 |
365 | 58.102.143.108 |
366 | 58.102.143.109 |
367 | 58.102.143.110 |
368 | 58.102.143.111 |
369 | 58.102.143.112 |
370 | 58.102.143.113 |
371 | 58.102.143.114 |
372 | 58.102.143.115 |
373 | 58.102.143.116 |
374 | 58.102.143.117 |
375 | 58.102.143.118 |
376 | 58.102.143.119 |
377 | 58.102.143.120 |
378 | 58.102.143.121 |
379 | 58.102.143.122 |
380 | 58.102.143.123 |
381 | 58.102.143.124 |
382 | 58.102.143.125 |
383 | 58.102.143.126 |
384 | 58.102.143.127 |
385 | 58.102.143.128 |
386 | 58.102.143.129 |
387 | 58.102.143.130 |
388 | 58.102.143.131 |
389 | 58.102.143.132 |
390 | 58.102.143.133 |
391 | 58.102.143.134 |
392 | 58.102.143.135 |
393 | 58.102.143.136 |
394 | 58.102.143.137 |
395 | 58.102.143.138 |
396 | 58.102.143.139 |
397 | 58.102.143.140 |
398 | 58.102.143.141 |
399 | 58.102.143.142 |
400 | 58.102.143.143 |
401 | 58.102.143.144 |
402 | 58.102.143.145 |
403 | 58.102.143.146 |
404 | 58.102.143.147 |
405 | 58.102.143.148 |
406 | 58.102.143.149 |
407 | 58.102.143.150 |
408 | 58.102.143.151 |
409 | 58.102.143.152 |
410 | 58.102.143.153 |
411 | 58.102.143.154 |
412 | 58.102.143.155 |
413 | 58.102.143.156 |
414 | 58.102.143.157 |
415 | 58.102.143.158 |
416 | 58.102.143.159 |
417 | 58.102.143.160 |
418 | 58.102.143.161 |
419 | 58.102.143.162 |
420 | 58.102.143.163 |
421 | 58.102.143.164 |
422 | 58.102.143.165 |
423 | 58.102.143.166 |
424 | 58.102.143.167 |
425 | 58.102.143.168 |
426 | 58.102.143.169 |
427 | 58.102.143.170 |
428 | 58.102.143.171 |
429 | 58.102.143.172 |
430 | 58.102.143.173 |
431 | 58.102.143.174 |
432 | 58.102.143.175 |
433 | 58.102.143.176 |
434 | 58.102.143.177 |
435 | 58.102.143.178 |
436 | 58.102.143.179 |
437 | 58.102.143.180 |
438 | 58.102.143.181 |
439 | 58.102.143.182 |
440 | 58.102.143.183 |
441 | 58.102.143.184 |
442 | 58.102.143.185 |
443 | 58.102.143.186 |
444 | 58.102.143.187 |
445 | 58.102.143.188 |
446 | 58.102.143.189 |
447 | 58.102.143.190 |
448 | 58.102.143.191 |
449 | 58.102.143.192 |
450 | 58.102.143.193 |
451 | 58.102.143.194 |
452 | 58.102.143.195 |
453 | 58.102.143.196 |
454 | 58.102.143.197 |
455 | 58.102.143.198 |
456 | 58.102.143.199 |
457 | 58.102.143.200 |
458 | 58.102.143.201 |
459 | 58.102.143.202 |
460 | 58.102.143.203 |
461 | 58.102.143.204 |
462 | 58.102.143.205 |
463 | 58.102.143.206 |
464 | 58.102.143.207 |
465 | 58.102.143.208 |
466 | 58.102.143.209 |
467 | 58.102.143.210 |
468 | 58.102.143.211 |
469 | 58.102.143.212 |
470 | 58.102.143.213 |
471 | 58.102.143.214 |
472 | 58.102.143.215 |
473 | 58.102.143.216 |
474 | 58.102.143.217 |
475 | 58.102.143.218 |
476 | 58.102.143.219 |
477 | 58.102.143.220 |
478 | 58.102.143.221 |
479 | 58.102.143.222 |
480 | 58.102.143.223 |
481 | 58.102.143.224 |
482 | 58.102.143.225 |
483 | 58.102.143.226 |
484 | 58.102.143.227 |
485 | 58.102.143.228 |
486 | 58.102.143.229 |
487 | 58.102.143.230 |
488 | 58.102.143.231 |
489 | 58.102.143.232 |
490 | 58.102.143.233 |
491 | 58.102.143.234 |
492 | 58.102.143.235 |
493 | 58.102.143.236 |
494 | 58.102.143.237 |
495 | 58.102.143.238 |
496 | 58.102.143.239 |
497 | 58.102.143.240 |
498 | 58.102.143.241 |
499 | 58.102.143.242 |
500 | 58.102.143.243 |
501 | 58.102.143.244 |
502 | 58.102.143.245 |
503 | 58.102.143.246 |
504 | 58.102.143.247 |
505 | 58.102.143.248 |
506 | 58.102.143.249 |
507 | 58.102.143.250 |
508 | 58.102.143.251 |
509 | 58.102.143.252 |
510 | 58.102.143.253 |
511 | 58.102.143.254 |
512 | 58.102.143.255 |
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