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 (138.122.230.0/23) 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 | 138.122.230.0/23 |
ネットワーク(CIDR) | 138.122.230.0/23 |
サブネット表記 | 138.122.230.0/255.255.254.0 |
短縮表記 | 138.122.230 |
IPアドレス範囲 | 138.122.230.0 - 138.122.231.255 |
IPアドレス総数 | 512 |
ネットワークIP | 138.122.230.0 |
ブロードキャストIP | 138.122.231.255 |
ホストアドレス範囲 | 138.122.230.1 - 138.122.231.254 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B |
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 | 138.122.230.0 |
2 | 138.122.230.1 |
3 | 138.122.230.2 |
4 | 138.122.230.3 |
5 | 138.122.230.4 |
6 | 138.122.230.5 |
7 | 138.122.230.6 |
8 | 138.122.230.7 |
9 | 138.122.230.8 |
10 | 138.122.230.9 |
11 | 138.122.230.10 |
12 | 138.122.230.11 |
13 | 138.122.230.12 |
14 | 138.122.230.13 |
15 | 138.122.230.14 |
16 | 138.122.230.15 |
17 | 138.122.230.16 |
18 | 138.122.230.17 |
19 | 138.122.230.18 |
20 | 138.122.230.19 |
21 | 138.122.230.20 |
22 | 138.122.230.21 |
23 | 138.122.230.22 |
24 | 138.122.230.23 |
25 | 138.122.230.24 |
26 | 138.122.230.25 |
27 | 138.122.230.26 |
28 | 138.122.230.27 |
29 | 138.122.230.28 |
30 | 138.122.230.29 |
31 | 138.122.230.30 |
32 | 138.122.230.31 |
33 | 138.122.230.32 |
34 | 138.122.230.33 |
35 | 138.122.230.34 |
36 | 138.122.230.35 |
37 | 138.122.230.36 |
38 | 138.122.230.37 |
39 | 138.122.230.38 |
40 | 138.122.230.39 |
41 | 138.122.230.40 |
42 | 138.122.230.41 |
43 | 138.122.230.42 |
44 | 138.122.230.43 |
45 | 138.122.230.44 |
46 | 138.122.230.45 |
47 | 138.122.230.46 |
48 | 138.122.230.47 |
49 | 138.122.230.48 |
50 | 138.122.230.49 |
51 | 138.122.230.50 |
52 | 138.122.230.51 |
53 | 138.122.230.52 |
54 | 138.122.230.53 |
55 | 138.122.230.54 |
56 | 138.122.230.55 |
57 | 138.122.230.56 |
58 | 138.122.230.57 |
59 | 138.122.230.58 |
60 | 138.122.230.59 |
61 | 138.122.230.60 |
62 | 138.122.230.61 |
63 | 138.122.230.62 |
64 | 138.122.230.63 |
65 | 138.122.230.64 |
66 | 138.122.230.65 |
67 | 138.122.230.66 |
68 | 138.122.230.67 |
69 | 138.122.230.68 |
70 | 138.122.230.69 |
71 | 138.122.230.70 |
72 | 138.122.230.71 |
73 | 138.122.230.72 |
74 | 138.122.230.73 |
75 | 138.122.230.74 |
76 | 138.122.230.75 |
77 | 138.122.230.76 |
78 | 138.122.230.77 |
79 | 138.122.230.78 |
80 | 138.122.230.79 |
81 | 138.122.230.80 |
82 | 138.122.230.81 |
83 | 138.122.230.82 |
84 | 138.122.230.83 |
85 | 138.122.230.84 |
86 | 138.122.230.85 |
87 | 138.122.230.86 |
88 | 138.122.230.87 |
89 | 138.122.230.88 |
90 | 138.122.230.89 |
91 | 138.122.230.90 |
92 | 138.122.230.91 |
93 | 138.122.230.92 |
94 | 138.122.230.93 |
95 | 138.122.230.94 |
96 | 138.122.230.95 |
97 | 138.122.230.96 |
98 | 138.122.230.97 |
99 | 138.122.230.98 |
100 | 138.122.230.99 |
101 | 138.122.230.100 |
102 | 138.122.230.101 |
103 | 138.122.230.102 |
104 | 138.122.230.103 |
105 | 138.122.230.104 |
106 | 138.122.230.105 |
107 | 138.122.230.106 |
108 | 138.122.230.107 |
109 | 138.122.230.108 |
110 | 138.122.230.109 |
111 | 138.122.230.110 |
112 | 138.122.230.111 |
113 | 138.122.230.112 |
114 | 138.122.230.113 |
115 | 138.122.230.114 |
116 | 138.122.230.115 |
117 | 138.122.230.116 |
118 | 138.122.230.117 |
119 | 138.122.230.118 |
120 | 138.122.230.119 |
121 | 138.122.230.120 |
122 | 138.122.230.121 |
123 | 138.122.230.122 |
124 | 138.122.230.123 |
125 | 138.122.230.124 |
126 | 138.122.230.125 |
127 | 138.122.230.126 |
128 | 138.122.230.127 |
129 | 138.122.230.128 |
130 | 138.122.230.129 |
131 | 138.122.230.130 |
132 | 138.122.230.131 |
133 | 138.122.230.132 |
134 | 138.122.230.133 |
135 | 138.122.230.134 |
136 | 138.122.230.135 |
137 | 138.122.230.136 |
138 | 138.122.230.137 |
139 | 138.122.230.138 |
140 | 138.122.230.139 |
141 | 138.122.230.140 |
142 | 138.122.230.141 |
143 | 138.122.230.142 |
144 | 138.122.230.143 |
145 | 138.122.230.144 |
146 | 138.122.230.145 |
147 | 138.122.230.146 |
148 | 138.122.230.147 |
149 | 138.122.230.148 |
150 | 138.122.230.149 |
151 | 138.122.230.150 |
152 | 138.122.230.151 |
153 | 138.122.230.152 |
154 | 138.122.230.153 |
155 | 138.122.230.154 |
156 | 138.122.230.155 |
157 | 138.122.230.156 |
158 | 138.122.230.157 |
159 | 138.122.230.158 |
160 | 138.122.230.159 |
161 | 138.122.230.160 |
162 | 138.122.230.161 |
163 | 138.122.230.162 |
164 | 138.122.230.163 |
165 | 138.122.230.164 |
166 | 138.122.230.165 |
167 | 138.122.230.166 |
168 | 138.122.230.167 |
169 | 138.122.230.168 |
170 | 138.122.230.169 |
171 | 138.122.230.170 |
172 | 138.122.230.171 |
173 | 138.122.230.172 |
174 | 138.122.230.173 |
175 | 138.122.230.174 |
176 | 138.122.230.175 |
177 | 138.122.230.176 |
178 | 138.122.230.177 |
179 | 138.122.230.178 |
180 | 138.122.230.179 |
181 | 138.122.230.180 |
182 | 138.122.230.181 |
183 | 138.122.230.182 |
184 | 138.122.230.183 |
185 | 138.122.230.184 |
186 | 138.122.230.185 |
187 | 138.122.230.186 |
188 | 138.122.230.187 |
189 | 138.122.230.188 |
190 | 138.122.230.189 |
191 | 138.122.230.190 |
192 | 138.122.230.191 |
193 | 138.122.230.192 |
194 | 138.122.230.193 |
195 | 138.122.230.194 |
196 | 138.122.230.195 |
197 | 138.122.230.196 |
198 | 138.122.230.197 |
199 | 138.122.230.198 |
200 | 138.122.230.199 |
201 | 138.122.230.200 |
202 | 138.122.230.201 |
203 | 138.122.230.202 |
204 | 138.122.230.203 |
205 | 138.122.230.204 |
206 | 138.122.230.205 |
207 | 138.122.230.206 |
208 | 138.122.230.207 |
209 | 138.122.230.208 |
210 | 138.122.230.209 |
211 | 138.122.230.210 |
212 | 138.122.230.211 |
213 | 138.122.230.212 |
214 | 138.122.230.213 |
215 | 138.122.230.214 |
216 | 138.122.230.215 |
217 | 138.122.230.216 |
218 | 138.122.230.217 |
219 | 138.122.230.218 |
220 | 138.122.230.219 |
221 | 138.122.230.220 |
222 | 138.122.230.221 |
223 | 138.122.230.222 |
224 | 138.122.230.223 |
225 | 138.122.230.224 |
226 | 138.122.230.225 |
227 | 138.122.230.226 |
228 | 138.122.230.227 |
229 | 138.122.230.228 |
230 | 138.122.230.229 |
231 | 138.122.230.230 |
232 | 138.122.230.231 |
233 | 138.122.230.232 |
234 | 138.122.230.233 |
235 | 138.122.230.234 |
236 | 138.122.230.235 |
237 | 138.122.230.236 |
238 | 138.122.230.237 |
239 | 138.122.230.238 |
240 | 138.122.230.239 |
241 | 138.122.230.240 |
242 | 138.122.230.241 |
243 | 138.122.230.242 |
244 | 138.122.230.243 |
245 | 138.122.230.244 |
246 | 138.122.230.245 |
247 | 138.122.230.246 |
248 | 138.122.230.247 |
249 | 138.122.230.248 |
250 | 138.122.230.249 |
251 | 138.122.230.250 |
252 | 138.122.230.251 |
253 | 138.122.230.252 |
254 | 138.122.230.253 |
255 | 138.122.230.254 |
256 | 138.122.230.255 |
257 | 138.122.231.0 |
258 | 138.122.231.1 |
259 | 138.122.231.2 |
260 | 138.122.231.3 |
261 | 138.122.231.4 |
262 | 138.122.231.5 |
263 | 138.122.231.6 |
264 | 138.122.231.7 |
265 | 138.122.231.8 |
266 | 138.122.231.9 |
267 | 138.122.231.10 |
268 | 138.122.231.11 |
269 | 138.122.231.12 |
270 | 138.122.231.13 |
271 | 138.122.231.14 |
272 | 138.122.231.15 |
273 | 138.122.231.16 |
274 | 138.122.231.17 |
275 | 138.122.231.18 |
276 | 138.122.231.19 |
277 | 138.122.231.20 |
278 | 138.122.231.21 |
279 | 138.122.231.22 |
280 | 138.122.231.23 |
281 | 138.122.231.24 |
282 | 138.122.231.25 |
283 | 138.122.231.26 |
284 | 138.122.231.27 |
285 | 138.122.231.28 |
286 | 138.122.231.29 |
287 | 138.122.231.30 |
288 | 138.122.231.31 |
289 | 138.122.231.32 |
290 | 138.122.231.33 |
291 | 138.122.231.34 |
292 | 138.122.231.35 |
293 | 138.122.231.36 |
294 | 138.122.231.37 |
295 | 138.122.231.38 |
296 | 138.122.231.39 |
297 | 138.122.231.40 |
298 | 138.122.231.41 |
299 | 138.122.231.42 |
300 | 138.122.231.43 |
301 | 138.122.231.44 |
302 | 138.122.231.45 |
303 | 138.122.231.46 |
304 | 138.122.231.47 |
305 | 138.122.231.48 |
306 | 138.122.231.49 |
307 | 138.122.231.50 |
308 | 138.122.231.51 |
309 | 138.122.231.52 |
310 | 138.122.231.53 |
311 | 138.122.231.54 |
312 | 138.122.231.55 |
313 | 138.122.231.56 |
314 | 138.122.231.57 |
315 | 138.122.231.58 |
316 | 138.122.231.59 |
317 | 138.122.231.60 |
318 | 138.122.231.61 |
319 | 138.122.231.62 |
320 | 138.122.231.63 |
321 | 138.122.231.64 |
322 | 138.122.231.65 |
323 | 138.122.231.66 |
324 | 138.122.231.67 |
325 | 138.122.231.68 |
326 | 138.122.231.69 |
327 | 138.122.231.70 |
328 | 138.122.231.71 |
329 | 138.122.231.72 |
330 | 138.122.231.73 |
331 | 138.122.231.74 |
332 | 138.122.231.75 |
333 | 138.122.231.76 |
334 | 138.122.231.77 |
335 | 138.122.231.78 |
336 | 138.122.231.79 |
337 | 138.122.231.80 |
338 | 138.122.231.81 |
339 | 138.122.231.82 |
340 | 138.122.231.83 |
341 | 138.122.231.84 |
342 | 138.122.231.85 |
343 | 138.122.231.86 |
344 | 138.122.231.87 |
345 | 138.122.231.88 |
346 | 138.122.231.89 |
347 | 138.122.231.90 |
348 | 138.122.231.91 |
349 | 138.122.231.92 |
350 | 138.122.231.93 |
351 | 138.122.231.94 |
352 | 138.122.231.95 |
353 | 138.122.231.96 |
354 | 138.122.231.97 |
355 | 138.122.231.98 |
356 | 138.122.231.99 |
357 | 138.122.231.100 |
358 | 138.122.231.101 |
359 | 138.122.231.102 |
360 | 138.122.231.103 |
361 | 138.122.231.104 |
362 | 138.122.231.105 |
363 | 138.122.231.106 |
364 | 138.122.231.107 |
365 | 138.122.231.108 |
366 | 138.122.231.109 |
367 | 138.122.231.110 |
368 | 138.122.231.111 |
369 | 138.122.231.112 |
370 | 138.122.231.113 |
371 | 138.122.231.114 |
372 | 138.122.231.115 |
373 | 138.122.231.116 |
374 | 138.122.231.117 |
375 | 138.122.231.118 |
376 | 138.122.231.119 |
377 | 138.122.231.120 |
378 | 138.122.231.121 |
379 | 138.122.231.122 |
380 | 138.122.231.123 |
381 | 138.122.231.124 |
382 | 138.122.231.125 |
383 | 138.122.231.126 |
384 | 138.122.231.127 |
385 | 138.122.231.128 |
386 | 138.122.231.129 |
387 | 138.122.231.130 |
388 | 138.122.231.131 |
389 | 138.122.231.132 |
390 | 138.122.231.133 |
391 | 138.122.231.134 |
392 | 138.122.231.135 |
393 | 138.122.231.136 |
394 | 138.122.231.137 |
395 | 138.122.231.138 |
396 | 138.122.231.139 |
397 | 138.122.231.140 |
398 | 138.122.231.141 |
399 | 138.122.231.142 |
400 | 138.122.231.143 |
401 | 138.122.231.144 |
402 | 138.122.231.145 |
403 | 138.122.231.146 |
404 | 138.122.231.147 |
405 | 138.122.231.148 |
406 | 138.122.231.149 |
407 | 138.122.231.150 |
408 | 138.122.231.151 |
409 | 138.122.231.152 |
410 | 138.122.231.153 |
411 | 138.122.231.154 |
412 | 138.122.231.155 |
413 | 138.122.231.156 |
414 | 138.122.231.157 |
415 | 138.122.231.158 |
416 | 138.122.231.159 |
417 | 138.122.231.160 |
418 | 138.122.231.161 |
419 | 138.122.231.162 |
420 | 138.122.231.163 |
421 | 138.122.231.164 |
422 | 138.122.231.165 |
423 | 138.122.231.166 |
424 | 138.122.231.167 |
425 | 138.122.231.168 |
426 | 138.122.231.169 |
427 | 138.122.231.170 |
428 | 138.122.231.171 |
429 | 138.122.231.172 |
430 | 138.122.231.173 |
431 | 138.122.231.174 |
432 | 138.122.231.175 |
433 | 138.122.231.176 |
434 | 138.122.231.177 |
435 | 138.122.231.178 |
436 | 138.122.231.179 |
437 | 138.122.231.180 |
438 | 138.122.231.181 |
439 | 138.122.231.182 |
440 | 138.122.231.183 |
441 | 138.122.231.184 |
442 | 138.122.231.185 |
443 | 138.122.231.186 |
444 | 138.122.231.187 |
445 | 138.122.231.188 |
446 | 138.122.231.189 |
447 | 138.122.231.190 |
448 | 138.122.231.191 |
449 | 138.122.231.192 |
450 | 138.122.231.193 |
451 | 138.122.231.194 |
452 | 138.122.231.195 |
453 | 138.122.231.196 |
454 | 138.122.231.197 |
455 | 138.122.231.198 |
456 | 138.122.231.199 |
457 | 138.122.231.200 |
458 | 138.122.231.201 |
459 | 138.122.231.202 |
460 | 138.122.231.203 |
461 | 138.122.231.204 |
462 | 138.122.231.205 |
463 | 138.122.231.206 |
464 | 138.122.231.207 |
465 | 138.122.231.208 |
466 | 138.122.231.209 |
467 | 138.122.231.210 |
468 | 138.122.231.211 |
469 | 138.122.231.212 |
470 | 138.122.231.213 |
471 | 138.122.231.214 |
472 | 138.122.231.215 |
473 | 138.122.231.216 |
474 | 138.122.231.217 |
475 | 138.122.231.218 |
476 | 138.122.231.219 |
477 | 138.122.231.220 |
478 | 138.122.231.221 |
479 | 138.122.231.222 |
480 | 138.122.231.223 |
481 | 138.122.231.224 |
482 | 138.122.231.225 |
483 | 138.122.231.226 |
484 | 138.122.231.227 |
485 | 138.122.231.228 |
486 | 138.122.231.229 |
487 | 138.122.231.230 |
488 | 138.122.231.231 |
489 | 138.122.231.232 |
490 | 138.122.231.233 |
491 | 138.122.231.234 |
492 | 138.122.231.235 |
493 | 138.122.231.236 |
494 | 138.122.231.237 |
495 | 138.122.231.238 |
496 | 138.122.231.239 |
497 | 138.122.231.240 |
498 | 138.122.231.241 |
499 | 138.122.231.242 |
500 | 138.122.231.243 |
501 | 138.122.231.244 |
502 | 138.122.231.245 |
503 | 138.122.231.246 |
504 | 138.122.231.247 |
505 | 138.122.231.248 |
506 | 138.122.231.249 |
507 | 138.122.231.250 |
508 | 138.122.231.251 |
509 | 138.122.231.252 |
510 | 138.122.231.253 |
511 | 138.122.231.254 |
512 | 138.122.231.255 |
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