DNS

IPv4 & IPv6 calculator.

Split, merge or subtract networks, or convert an address range to CIDRs.

Up to 256 subnets per page. All 64 results of a 64-subnet split appear together.

One IP family per calculation · no network requests

172.64.0.0/13 → /22

512 CIDRs

1,024 addresses per subnet524,288 addresses totalNetmask 255.255.252.0

Showing 1–256 of 512. Ranges include every address.

#Subnet / WHOISFirst addressLast addressAddresses
1172.64.0.0/22172.64.0.0172.64.3.2551,024
2172.64.4.0/22172.64.4.0172.64.7.2551,024
3172.64.8.0/22172.64.8.0172.64.11.2551,024
4172.64.12.0/22172.64.12.0172.64.15.2551,024
5172.64.16.0/22172.64.16.0172.64.19.2551,024
6172.64.20.0/22172.64.20.0172.64.23.2551,024
7172.64.24.0/22172.64.24.0172.64.27.2551,024
8172.64.28.0/22172.64.28.0172.64.31.2551,024
9172.64.32.0/22172.64.32.0172.64.35.2551,024
10172.64.36.0/22172.64.36.0172.64.39.2551,024
11172.64.40.0/22172.64.40.0172.64.43.2551,024
12172.64.44.0/22172.64.44.0172.64.47.2551,024
13172.64.48.0/22172.64.48.0172.64.51.2551,024
14172.64.52.0/22172.64.52.0172.64.55.2551,024
15172.64.56.0/22172.64.56.0172.64.59.2551,024
16172.64.60.0/22172.64.60.0172.64.63.2551,024
17172.64.64.0/22172.64.64.0172.64.67.2551,024
18172.64.68.0/22172.64.68.0172.64.71.2551,024
19172.64.72.0/22172.64.72.0172.64.75.2551,024
20172.64.76.0/22172.64.76.0172.64.79.2551,024
21172.64.80.0/22172.64.80.0172.64.83.2551,024
22172.64.84.0/22172.64.84.0172.64.87.2551,024
23172.64.88.0/22172.64.88.0172.64.91.2551,024
24172.64.92.0/22172.64.92.0172.64.95.2551,024
25172.64.96.0/22172.64.96.0172.64.99.2551,024
26172.64.100.0/22172.64.100.0172.64.103.2551,024
27172.64.104.0/22172.64.104.0172.64.107.2551,024
28172.64.108.0/22172.64.108.0172.64.111.2551,024
29172.64.112.0/22172.64.112.0172.64.115.2551,024
30172.64.116.0/22172.64.116.0172.64.119.2551,024
31172.64.120.0/22172.64.120.0172.64.123.2551,024
32172.64.124.0/22172.64.124.0172.64.127.2551,024
33172.64.128.0/22172.64.128.0172.64.131.2551,024
34172.64.132.0/22172.64.132.0172.64.135.2551,024
35172.64.136.0/22172.64.136.0172.64.139.2551,024
36172.64.140.0/22172.64.140.0172.64.143.2551,024
37172.64.144.0/22172.64.144.0172.64.147.2551,024
38172.64.148.0/22172.64.148.0172.64.151.2551,024
39172.64.152.0/22172.64.152.0172.64.155.2551,024
40172.64.156.0/22172.64.156.0172.64.159.2551,024
41172.64.160.0/22172.64.160.0172.64.163.2551,024
42172.64.164.0/22172.64.164.0172.64.167.2551,024
43172.64.168.0/22172.64.168.0172.64.171.2551,024
44172.64.172.0/22172.64.172.0172.64.175.2551,024
45172.64.176.0/22172.64.176.0172.64.179.2551,024
46172.64.180.0/22172.64.180.0172.64.183.2551,024
47172.64.184.0/22172.64.184.0172.64.187.2551,024
48172.64.188.0/22172.64.188.0172.64.191.2551,024
49172.64.192.0/22172.64.192.0172.64.195.2551,024
50172.64.196.0/22172.64.196.0172.64.199.2551,024
51172.64.200.0/22172.64.200.0172.64.203.2551,024
52172.64.204.0/22172.64.204.0172.64.207.2551,024
53172.64.208.0/22172.64.208.0172.64.211.2551,024
54172.64.212.0/22172.64.212.0172.64.215.2551,024
55172.64.216.0/22172.64.216.0172.64.219.2551,024
56172.64.220.0/22172.64.220.0172.64.223.2551,024
57172.64.224.0/22172.64.224.0172.64.227.2551,024
58172.64.228.0/22172.64.228.0172.64.231.2551,024
59172.64.232.0/22172.64.232.0172.64.235.2551,024
60172.64.236.0/22172.64.236.0172.64.239.2551,024
61172.64.240.0/22172.64.240.0172.64.243.2551,024
62172.64.244.0/22172.64.244.0172.64.247.2551,024
63172.64.248.0/22172.64.248.0172.64.251.2551,024
64172.64.252.0/22172.64.252.0172.64.255.2551,024
65172.65.0.0/22172.65.0.0172.65.3.2551,024
66172.65.4.0/22172.65.4.0172.65.7.2551,024
67172.65.8.0/22172.65.8.0172.65.11.2551,024
68172.65.12.0/22172.65.12.0172.65.15.2551,024
69172.65.16.0/22172.65.16.0172.65.19.2551,024
70172.65.20.0/22172.65.20.0172.65.23.2551,024
71172.65.24.0/22172.65.24.0172.65.27.2551,024
72172.65.28.0/22172.65.28.0172.65.31.2551,024
73172.65.32.0/22172.65.32.0172.65.35.2551,024
74172.65.36.0/22172.65.36.0172.65.39.2551,024
75172.65.40.0/22172.65.40.0172.65.43.2551,024
76172.65.44.0/22172.65.44.0172.65.47.2551,024
77172.65.48.0/22172.65.48.0172.65.51.2551,024
78172.65.52.0/22172.65.52.0172.65.55.2551,024
79172.65.56.0/22172.65.56.0172.65.59.2551,024
80172.65.60.0/22172.65.60.0172.65.63.2551,024
81172.65.64.0/22172.65.64.0172.65.67.2551,024
82172.65.68.0/22172.65.68.0172.65.71.2551,024
83172.65.72.0/22172.65.72.0172.65.75.2551,024
84172.65.76.0/22172.65.76.0172.65.79.2551,024
85172.65.80.0/22172.65.80.0172.65.83.2551,024
86172.65.84.0/22172.65.84.0172.65.87.2551,024
87172.65.88.0/22172.65.88.0172.65.91.2551,024
88172.65.92.0/22172.65.92.0172.65.95.2551,024
89172.65.96.0/22172.65.96.0172.65.99.2551,024
90172.65.100.0/22172.65.100.0172.65.103.2551,024
91172.65.104.0/22172.65.104.0172.65.107.2551,024
92172.65.108.0/22172.65.108.0172.65.111.2551,024
93172.65.112.0/22172.65.112.0172.65.115.2551,024
94172.65.116.0/22172.65.116.0172.65.119.2551,024
95172.65.120.0/22172.65.120.0172.65.123.2551,024
96172.65.124.0/22172.65.124.0172.65.127.2551,024
97172.65.128.0/22172.65.128.0172.65.131.2551,024
98172.65.132.0/22172.65.132.0172.65.135.2551,024
99172.65.136.0/22172.65.136.0172.65.139.2551,024
100172.65.140.0/22172.65.140.0172.65.143.2551,024
101172.65.144.0/22172.65.144.0172.65.147.2551,024
102172.65.148.0/22172.65.148.0172.65.151.2551,024
103172.65.152.0/22172.65.152.0172.65.155.2551,024
104172.65.156.0/22172.65.156.0172.65.159.2551,024
105172.65.160.0/22172.65.160.0172.65.163.2551,024
106172.65.164.0/22172.65.164.0172.65.167.2551,024
107172.65.168.0/22172.65.168.0172.65.171.2551,024
108172.65.172.0/22172.65.172.0172.65.175.2551,024
109172.65.176.0/22172.65.176.0172.65.179.2551,024
110172.65.180.0/22172.65.180.0172.65.183.2551,024
111172.65.184.0/22172.65.184.0172.65.187.2551,024
112172.65.188.0/22172.65.188.0172.65.191.2551,024
113172.65.192.0/22172.65.192.0172.65.195.2551,024
114172.65.196.0/22172.65.196.0172.65.199.2551,024
115172.65.200.0/22172.65.200.0172.65.203.2551,024
116172.65.204.0/22172.65.204.0172.65.207.2551,024
117172.65.208.0/22172.65.208.0172.65.211.2551,024
118172.65.212.0/22172.65.212.0172.65.215.2551,024
119172.65.216.0/22172.65.216.0172.65.219.2551,024
120172.65.220.0/22172.65.220.0172.65.223.2551,024
121172.65.224.0/22172.65.224.0172.65.227.2551,024
122172.65.228.0/22172.65.228.0172.65.231.2551,024
123172.65.232.0/22172.65.232.0172.65.235.2551,024
124172.65.236.0/22172.65.236.0172.65.239.2551,024
125172.65.240.0/22172.65.240.0172.65.243.2551,024
126172.65.244.0/22172.65.244.0172.65.247.2551,024
127172.65.248.0/22172.65.248.0172.65.251.2551,024
128172.65.252.0/22172.65.252.0172.65.255.2551,024
129172.66.0.0/22172.66.0.0172.66.3.2551,024
130172.66.4.0/22172.66.4.0172.66.7.2551,024
131172.66.8.0/22172.66.8.0172.66.11.2551,024
132172.66.12.0/22172.66.12.0172.66.15.2551,024
133172.66.16.0/22172.66.16.0172.66.19.2551,024
134172.66.20.0/22172.66.20.0172.66.23.2551,024
135172.66.24.0/22172.66.24.0172.66.27.2551,024
136172.66.28.0/22172.66.28.0172.66.31.2551,024
137172.66.32.0/22172.66.32.0172.66.35.2551,024
138172.66.36.0/22172.66.36.0172.66.39.2551,024
139172.66.40.0/22172.66.40.0172.66.43.2551,024
140172.66.44.0/22172.66.44.0172.66.47.2551,024
141172.66.48.0/22172.66.48.0172.66.51.2551,024
142172.66.52.0/22172.66.52.0172.66.55.2551,024
143172.66.56.0/22172.66.56.0172.66.59.2551,024
144172.66.60.0/22172.66.60.0172.66.63.2551,024
145172.66.64.0/22172.66.64.0172.66.67.2551,024
146172.66.68.0/22172.66.68.0172.66.71.2551,024
147172.66.72.0/22172.66.72.0172.66.75.2551,024
148172.66.76.0/22172.66.76.0172.66.79.2551,024
149172.66.80.0/22172.66.80.0172.66.83.2551,024
150172.66.84.0/22172.66.84.0172.66.87.2551,024
151172.66.88.0/22172.66.88.0172.66.91.2551,024
152172.66.92.0/22172.66.92.0172.66.95.2551,024
153172.66.96.0/22172.66.96.0172.66.99.2551,024
154172.66.100.0/22172.66.100.0172.66.103.2551,024
155172.66.104.0/22172.66.104.0172.66.107.2551,024
156172.66.108.0/22172.66.108.0172.66.111.2551,024
157172.66.112.0/22172.66.112.0172.66.115.2551,024
158172.66.116.0/22172.66.116.0172.66.119.2551,024
159172.66.120.0/22172.66.120.0172.66.123.2551,024
160172.66.124.0/22172.66.124.0172.66.127.2551,024
161172.66.128.0/22172.66.128.0172.66.131.2551,024
162172.66.132.0/22172.66.132.0172.66.135.2551,024
163172.66.136.0/22172.66.136.0172.66.139.2551,024
164172.66.140.0/22172.66.140.0172.66.143.2551,024
165172.66.144.0/22172.66.144.0172.66.147.2551,024
166172.66.148.0/22172.66.148.0172.66.151.2551,024
167172.66.152.0/22172.66.152.0172.66.155.2551,024
168172.66.156.0/22172.66.156.0172.66.159.2551,024
169172.66.160.0/22172.66.160.0172.66.163.2551,024
170172.66.164.0/22172.66.164.0172.66.167.2551,024
171172.66.168.0/22172.66.168.0172.66.171.2551,024
172172.66.172.0/22172.66.172.0172.66.175.2551,024
173172.66.176.0/22172.66.176.0172.66.179.2551,024
174172.66.180.0/22172.66.180.0172.66.183.2551,024
175172.66.184.0/22172.66.184.0172.66.187.2551,024
176172.66.188.0/22172.66.188.0172.66.191.2551,024
177172.66.192.0/22172.66.192.0172.66.195.2551,024
178172.66.196.0/22172.66.196.0172.66.199.2551,024
179172.66.200.0/22172.66.200.0172.66.203.2551,024
180172.66.204.0/22172.66.204.0172.66.207.2551,024
181172.66.208.0/22172.66.208.0172.66.211.2551,024
182172.66.212.0/22172.66.212.0172.66.215.2551,024
183172.66.216.0/22172.66.216.0172.66.219.2551,024
184172.66.220.0/22172.66.220.0172.66.223.2551,024
185172.66.224.0/22172.66.224.0172.66.227.2551,024
186172.66.228.0/22172.66.228.0172.66.231.2551,024
187172.66.232.0/22172.66.232.0172.66.235.2551,024
188172.66.236.0/22172.66.236.0172.66.239.2551,024
189172.66.240.0/22172.66.240.0172.66.243.2551,024
190172.66.244.0/22172.66.244.0172.66.247.2551,024
191172.66.248.0/22172.66.248.0172.66.251.2551,024
192172.66.252.0/22172.66.252.0172.66.255.2551,024
193172.67.0.0/22172.67.0.0172.67.3.2551,024
194172.67.4.0/22172.67.4.0172.67.7.2551,024
195172.67.8.0/22172.67.8.0172.67.11.2551,024
196172.67.12.0/22172.67.12.0172.67.15.2551,024
197172.67.16.0/22172.67.16.0172.67.19.2551,024
198172.67.20.0/22172.67.20.0172.67.23.2551,024
199172.67.24.0/22172.67.24.0172.67.27.2551,024
200172.67.28.0/22172.67.28.0172.67.31.2551,024
201172.67.32.0/22172.67.32.0172.67.35.2551,024
202172.67.36.0/22172.67.36.0172.67.39.2551,024
203172.67.40.0/22172.67.40.0172.67.43.2551,024
204172.67.44.0/22172.67.44.0172.67.47.2551,024
205172.67.48.0/22172.67.48.0172.67.51.2551,024
206172.67.52.0/22172.67.52.0172.67.55.2551,024
207172.67.56.0/22172.67.56.0172.67.59.2551,024
208172.67.60.0/22172.67.60.0172.67.63.2551,024
209172.67.64.0/22172.67.64.0172.67.67.2551,024
210172.67.68.0/22172.67.68.0172.67.71.2551,024
211172.67.72.0/22172.67.72.0172.67.75.2551,024
212172.67.76.0/22172.67.76.0172.67.79.2551,024
213172.67.80.0/22172.67.80.0172.67.83.2551,024
214172.67.84.0/22172.67.84.0172.67.87.2551,024
215172.67.88.0/22172.67.88.0172.67.91.2551,024
216172.67.92.0/22172.67.92.0172.67.95.2551,024
217172.67.96.0/22172.67.96.0172.67.99.2551,024
218172.67.100.0/22172.67.100.0172.67.103.2551,024
219172.67.104.0/22172.67.104.0172.67.107.2551,024
220172.67.108.0/22172.67.108.0172.67.111.2551,024
221172.67.112.0/22172.67.112.0172.67.115.2551,024
222172.67.116.0/22172.67.116.0172.67.119.2551,024
223172.67.120.0/22172.67.120.0172.67.123.2551,024
224172.67.124.0/22172.67.124.0172.67.127.2551,024
225172.67.128.0/22172.67.128.0172.67.131.2551,024
226172.67.132.0/22172.67.132.0172.67.135.2551,024
227172.67.136.0/22172.67.136.0172.67.139.2551,024
228172.67.140.0/22172.67.140.0172.67.143.2551,024
229172.67.144.0/22172.67.144.0172.67.147.2551,024
230172.67.148.0/22172.67.148.0172.67.151.2551,024
231172.67.152.0/22172.67.152.0172.67.155.2551,024
232172.67.156.0/22172.67.156.0172.67.159.2551,024
233172.67.160.0/22172.67.160.0172.67.163.2551,024
234172.67.164.0/22172.67.164.0172.67.167.2551,024
235172.67.168.0/22172.67.168.0172.67.171.2551,024
236172.67.172.0/22172.67.172.0172.67.175.2551,024
237172.67.176.0/22172.67.176.0172.67.179.2551,024
238172.67.180.0/22172.67.180.0172.67.183.2551,024
239172.67.184.0/22172.67.184.0172.67.187.2551,024
240172.67.188.0/22172.67.188.0172.67.191.2551,024
241172.67.192.0/22172.67.192.0172.67.195.2551,024
242172.67.196.0/22172.67.196.0172.67.199.2551,024
243172.67.200.0/22172.67.200.0172.67.203.2551,024
244172.67.204.0/22172.67.204.0172.67.207.2551,024
245172.67.208.0/22172.67.208.0172.67.211.2551,024
246172.67.212.0/22172.67.212.0172.67.215.2551,024
247172.67.216.0/22172.67.216.0172.67.219.2551,024
248172.67.220.0/22172.67.220.0172.67.223.2551,024
249172.67.224.0/22172.67.224.0172.67.227.2551,024
250172.67.228.0/22172.67.228.0172.67.231.2551,024
251172.67.232.0/22172.67.232.0172.67.235.2551,024
252172.67.236.0/22172.67.236.0172.67.239.2551,024
253172.67.240.0/22172.67.240.0172.67.243.2551,024
254172.67.244.0/22172.67.244.0172.67.247.2551,024
255172.67.248.0/22172.67.248.0172.67.251.2551,024
256172.67.252.0/22172.67.252.0172.67.255.2551,024
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Large splits are paged without generating the full address space. Counts are exact for IPv6. Merge and exclusion inputs accept up to 1,024 blocks and produce at most 8,192 CIDRs. Downloads and copy buttons use the displayed page.