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

3.0.0.0/9 → /22

8,192 CIDRs

1,024 addresses per subnet8,388,608 addresses totalNetmask 255.255.252.0

Showing 1–256 of 8,192. Ranges include every address.

#Subnet / WHOISFirst addressLast addressAddresses
13.0.0.0/223.0.0.03.0.3.2551,024
23.0.4.0/223.0.4.03.0.7.2551,024
33.0.8.0/223.0.8.03.0.11.2551,024
43.0.12.0/223.0.12.03.0.15.2551,024
53.0.16.0/223.0.16.03.0.19.2551,024
63.0.20.0/223.0.20.03.0.23.2551,024
73.0.24.0/223.0.24.03.0.27.2551,024
83.0.28.0/223.0.28.03.0.31.2551,024
93.0.32.0/223.0.32.03.0.35.2551,024
103.0.36.0/223.0.36.03.0.39.2551,024
113.0.40.0/223.0.40.03.0.43.2551,024
123.0.44.0/223.0.44.03.0.47.2551,024
133.0.48.0/223.0.48.03.0.51.2551,024
143.0.52.0/223.0.52.03.0.55.2551,024
153.0.56.0/223.0.56.03.0.59.2551,024
163.0.60.0/223.0.60.03.0.63.2551,024
173.0.64.0/223.0.64.03.0.67.2551,024
183.0.68.0/223.0.68.03.0.71.2551,024
193.0.72.0/223.0.72.03.0.75.2551,024
203.0.76.0/223.0.76.03.0.79.2551,024
213.0.80.0/223.0.80.03.0.83.2551,024
223.0.84.0/223.0.84.03.0.87.2551,024
233.0.88.0/223.0.88.03.0.91.2551,024
243.0.92.0/223.0.92.03.0.95.2551,024
253.0.96.0/223.0.96.03.0.99.2551,024
263.0.100.0/223.0.100.03.0.103.2551,024
273.0.104.0/223.0.104.03.0.107.2551,024
283.0.108.0/223.0.108.03.0.111.2551,024
293.0.112.0/223.0.112.03.0.115.2551,024
303.0.116.0/223.0.116.03.0.119.2551,024
313.0.120.0/223.0.120.03.0.123.2551,024
323.0.124.0/223.0.124.03.0.127.2551,024
333.0.128.0/223.0.128.03.0.131.2551,024
343.0.132.0/223.0.132.03.0.135.2551,024
353.0.136.0/223.0.136.03.0.139.2551,024
363.0.140.0/223.0.140.03.0.143.2551,024
373.0.144.0/223.0.144.03.0.147.2551,024
383.0.148.0/223.0.148.03.0.151.2551,024
393.0.152.0/223.0.152.03.0.155.2551,024
403.0.156.0/223.0.156.03.0.159.2551,024
413.0.160.0/223.0.160.03.0.163.2551,024
423.0.164.0/223.0.164.03.0.167.2551,024
433.0.168.0/223.0.168.03.0.171.2551,024
443.0.172.0/223.0.172.03.0.175.2551,024
453.0.176.0/223.0.176.03.0.179.2551,024
463.0.180.0/223.0.180.03.0.183.2551,024
473.0.184.0/223.0.184.03.0.187.2551,024
483.0.188.0/223.0.188.03.0.191.2551,024
493.0.192.0/223.0.192.03.0.195.2551,024
503.0.196.0/223.0.196.03.0.199.2551,024
513.0.200.0/223.0.200.03.0.203.2551,024
523.0.204.0/223.0.204.03.0.207.2551,024
533.0.208.0/223.0.208.03.0.211.2551,024
543.0.212.0/223.0.212.03.0.215.2551,024
553.0.216.0/223.0.216.03.0.219.2551,024
563.0.220.0/223.0.220.03.0.223.2551,024
573.0.224.0/223.0.224.03.0.227.2551,024
583.0.228.0/223.0.228.03.0.231.2551,024
593.0.232.0/223.0.232.03.0.235.2551,024
603.0.236.0/223.0.236.03.0.239.2551,024
613.0.240.0/223.0.240.03.0.243.2551,024
623.0.244.0/223.0.244.03.0.247.2551,024
633.0.248.0/223.0.248.03.0.251.2551,024
643.0.252.0/223.0.252.03.0.255.2551,024
653.1.0.0/223.1.0.03.1.3.2551,024
663.1.4.0/223.1.4.03.1.7.2551,024
673.1.8.0/223.1.8.03.1.11.2551,024
683.1.12.0/223.1.12.03.1.15.2551,024
693.1.16.0/223.1.16.03.1.19.2551,024
703.1.20.0/223.1.20.03.1.23.2551,024
713.1.24.0/223.1.24.03.1.27.2551,024
723.1.28.0/223.1.28.03.1.31.2551,024
733.1.32.0/223.1.32.03.1.35.2551,024
743.1.36.0/223.1.36.03.1.39.2551,024
753.1.40.0/223.1.40.03.1.43.2551,024
763.1.44.0/223.1.44.03.1.47.2551,024
773.1.48.0/223.1.48.03.1.51.2551,024
783.1.52.0/223.1.52.03.1.55.2551,024
793.1.56.0/223.1.56.03.1.59.2551,024
803.1.60.0/223.1.60.03.1.63.2551,024
813.1.64.0/223.1.64.03.1.67.2551,024
823.1.68.0/223.1.68.03.1.71.2551,024
833.1.72.0/223.1.72.03.1.75.2551,024
843.1.76.0/223.1.76.03.1.79.2551,024
853.1.80.0/223.1.80.03.1.83.2551,024
863.1.84.0/223.1.84.03.1.87.2551,024
873.1.88.0/223.1.88.03.1.91.2551,024
883.1.92.0/223.1.92.03.1.95.2551,024
893.1.96.0/223.1.96.03.1.99.2551,024
903.1.100.0/223.1.100.03.1.103.2551,024
913.1.104.0/223.1.104.03.1.107.2551,024
923.1.108.0/223.1.108.03.1.111.2551,024
933.1.112.0/223.1.112.03.1.115.2551,024
943.1.116.0/223.1.116.03.1.119.2551,024
953.1.120.0/223.1.120.03.1.123.2551,024
963.1.124.0/223.1.124.03.1.127.2551,024
973.1.128.0/223.1.128.03.1.131.2551,024
983.1.132.0/223.1.132.03.1.135.2551,024
993.1.136.0/223.1.136.03.1.139.2551,024
1003.1.140.0/223.1.140.03.1.143.2551,024
1013.1.144.0/223.1.144.03.1.147.2551,024
1023.1.148.0/223.1.148.03.1.151.2551,024
1033.1.152.0/223.1.152.03.1.155.2551,024
1043.1.156.0/223.1.156.03.1.159.2551,024
1053.1.160.0/223.1.160.03.1.163.2551,024
1063.1.164.0/223.1.164.03.1.167.2551,024
1073.1.168.0/223.1.168.03.1.171.2551,024
1083.1.172.0/223.1.172.03.1.175.2551,024
1093.1.176.0/223.1.176.03.1.179.2551,024
1103.1.180.0/223.1.180.03.1.183.2551,024
1113.1.184.0/223.1.184.03.1.187.2551,024
1123.1.188.0/223.1.188.03.1.191.2551,024
1133.1.192.0/223.1.192.03.1.195.2551,024
1143.1.196.0/223.1.196.03.1.199.2551,024
1153.1.200.0/223.1.200.03.1.203.2551,024
1163.1.204.0/223.1.204.03.1.207.2551,024
1173.1.208.0/223.1.208.03.1.211.2551,024
1183.1.212.0/223.1.212.03.1.215.2551,024
1193.1.216.0/223.1.216.03.1.219.2551,024
1203.1.220.0/223.1.220.03.1.223.2551,024
1213.1.224.0/223.1.224.03.1.227.2551,024
1223.1.228.0/223.1.228.03.1.231.2551,024
1233.1.232.0/223.1.232.03.1.235.2551,024
1243.1.236.0/223.1.236.03.1.239.2551,024
1253.1.240.0/223.1.240.03.1.243.2551,024
1263.1.244.0/223.1.244.03.1.247.2551,024
1273.1.248.0/223.1.248.03.1.251.2551,024
1283.1.252.0/223.1.252.03.1.255.2551,024
1293.2.0.0/223.2.0.03.2.3.2551,024
1303.2.4.0/223.2.4.03.2.7.2551,024
1313.2.8.0/223.2.8.03.2.11.2551,024
1323.2.12.0/223.2.12.03.2.15.2551,024
1333.2.16.0/223.2.16.03.2.19.2551,024
1343.2.20.0/223.2.20.03.2.23.2551,024
1353.2.24.0/223.2.24.03.2.27.2551,024
1363.2.28.0/223.2.28.03.2.31.2551,024
1373.2.32.0/223.2.32.03.2.35.2551,024
1383.2.36.0/223.2.36.03.2.39.2551,024
1393.2.40.0/223.2.40.03.2.43.2551,024
1403.2.44.0/223.2.44.03.2.47.2551,024
1413.2.48.0/223.2.48.03.2.51.2551,024
1423.2.52.0/223.2.52.03.2.55.2551,024
1433.2.56.0/223.2.56.03.2.59.2551,024
1443.2.60.0/223.2.60.03.2.63.2551,024
1453.2.64.0/223.2.64.03.2.67.2551,024
1463.2.68.0/223.2.68.03.2.71.2551,024
1473.2.72.0/223.2.72.03.2.75.2551,024
1483.2.76.0/223.2.76.03.2.79.2551,024
1493.2.80.0/223.2.80.03.2.83.2551,024
1503.2.84.0/223.2.84.03.2.87.2551,024
1513.2.88.0/223.2.88.03.2.91.2551,024
1523.2.92.0/223.2.92.03.2.95.2551,024
1533.2.96.0/223.2.96.03.2.99.2551,024
1543.2.100.0/223.2.100.03.2.103.2551,024
1553.2.104.0/223.2.104.03.2.107.2551,024
1563.2.108.0/223.2.108.03.2.111.2551,024
1573.2.112.0/223.2.112.03.2.115.2551,024
1583.2.116.0/223.2.116.03.2.119.2551,024
1593.2.120.0/223.2.120.03.2.123.2551,024
1603.2.124.0/223.2.124.03.2.127.2551,024
1613.2.128.0/223.2.128.03.2.131.2551,024
1623.2.132.0/223.2.132.03.2.135.2551,024
1633.2.136.0/223.2.136.03.2.139.2551,024
1643.2.140.0/223.2.140.03.2.143.2551,024
1653.2.144.0/223.2.144.03.2.147.2551,024
1663.2.148.0/223.2.148.03.2.151.2551,024
1673.2.152.0/223.2.152.03.2.155.2551,024
1683.2.156.0/223.2.156.03.2.159.2551,024
1693.2.160.0/223.2.160.03.2.163.2551,024
1703.2.164.0/223.2.164.03.2.167.2551,024
1713.2.168.0/223.2.168.03.2.171.2551,024
1723.2.172.0/223.2.172.03.2.175.2551,024
1733.2.176.0/223.2.176.03.2.179.2551,024
1743.2.180.0/223.2.180.03.2.183.2551,024
1753.2.184.0/223.2.184.03.2.187.2551,024
1763.2.188.0/223.2.188.03.2.191.2551,024
1773.2.192.0/223.2.192.03.2.195.2551,024
1783.2.196.0/223.2.196.03.2.199.2551,024
1793.2.200.0/223.2.200.03.2.203.2551,024
1803.2.204.0/223.2.204.03.2.207.2551,024
1813.2.208.0/223.2.208.03.2.211.2551,024
1823.2.212.0/223.2.212.03.2.215.2551,024
1833.2.216.0/223.2.216.03.2.219.2551,024
1843.2.220.0/223.2.220.03.2.223.2551,024
1853.2.224.0/223.2.224.03.2.227.2551,024
1863.2.228.0/223.2.228.03.2.231.2551,024
1873.2.232.0/223.2.232.03.2.235.2551,024
1883.2.236.0/223.2.236.03.2.239.2551,024
1893.2.240.0/223.2.240.03.2.243.2551,024
1903.2.244.0/223.2.244.03.2.247.2551,024
1913.2.248.0/223.2.248.03.2.251.2551,024
1923.2.252.0/223.2.252.03.2.255.2551,024
1933.3.0.0/223.3.0.03.3.3.2551,024
1943.3.4.0/223.3.4.03.3.7.2551,024
1953.3.8.0/223.3.8.03.3.11.2551,024
1963.3.12.0/223.3.12.03.3.15.2551,024
1973.3.16.0/223.3.16.03.3.19.2551,024
1983.3.20.0/223.3.20.03.3.23.2551,024
1993.3.24.0/223.3.24.03.3.27.2551,024
2003.3.28.0/223.3.28.03.3.31.2551,024
2013.3.32.0/223.3.32.03.3.35.2551,024
2023.3.36.0/223.3.36.03.3.39.2551,024
2033.3.40.0/223.3.40.03.3.43.2551,024
2043.3.44.0/223.3.44.03.3.47.2551,024
2053.3.48.0/223.3.48.03.3.51.2551,024
2063.3.52.0/223.3.52.03.3.55.2551,024
2073.3.56.0/223.3.56.03.3.59.2551,024
2083.3.60.0/223.3.60.03.3.63.2551,024
2093.3.64.0/223.3.64.03.3.67.2551,024
2103.3.68.0/223.3.68.03.3.71.2551,024
2113.3.72.0/223.3.72.03.3.75.2551,024
2123.3.76.0/223.3.76.03.3.79.2551,024
2133.3.80.0/223.3.80.03.3.83.2551,024
2143.3.84.0/223.3.84.03.3.87.2551,024
2153.3.88.0/223.3.88.03.3.91.2551,024
2163.3.92.0/223.3.92.03.3.95.2551,024
2173.3.96.0/223.3.96.03.3.99.2551,024
2183.3.100.0/223.3.100.03.3.103.2551,024
2193.3.104.0/223.3.104.03.3.107.2551,024
2203.3.108.0/223.3.108.03.3.111.2551,024
2213.3.112.0/223.3.112.03.3.115.2551,024
2223.3.116.0/223.3.116.03.3.119.2551,024
2233.3.120.0/223.3.120.03.3.123.2551,024
2243.3.124.0/223.3.124.03.3.127.2551,024
2253.3.128.0/223.3.128.03.3.131.2551,024
2263.3.132.0/223.3.132.03.3.135.2551,024
2273.3.136.0/223.3.136.03.3.139.2551,024
2283.3.140.0/223.3.140.03.3.143.2551,024
2293.3.144.0/223.3.144.03.3.147.2551,024
2303.3.148.0/223.3.148.03.3.151.2551,024
2313.3.152.0/223.3.152.03.3.155.2551,024
2323.3.156.0/223.3.156.03.3.159.2551,024
2333.3.160.0/223.3.160.03.3.163.2551,024
2343.3.164.0/223.3.164.03.3.167.2551,024
2353.3.168.0/223.3.168.03.3.171.2551,024
2363.3.172.0/223.3.172.03.3.175.2551,024
2373.3.176.0/223.3.176.03.3.179.2551,024
2383.3.180.0/223.3.180.03.3.183.2551,024
2393.3.184.0/223.3.184.03.3.187.2551,024
2403.3.188.0/223.3.188.03.3.191.2551,024
2413.3.192.0/223.3.192.03.3.195.2551,024
2423.3.196.0/223.3.196.03.3.199.2551,024
2433.3.200.0/223.3.200.03.3.203.2551,024
2443.3.204.0/223.3.204.03.3.207.2551,024
2453.3.208.0/223.3.208.03.3.211.2551,024
2463.3.212.0/223.3.212.03.3.215.2551,024
2473.3.216.0/223.3.216.03.3.219.2551,024
2483.3.220.0/223.3.220.03.3.223.2551,024
2493.3.224.0/223.3.224.03.3.227.2551,024
2503.3.228.0/223.3.228.03.3.231.2551,024
2513.3.232.0/223.3.232.03.3.235.2551,024
2523.3.236.0/223.3.236.03.3.239.2551,024
2533.3.240.0/223.3.240.03.3.243.2551,024
2543.3.244.0/223.3.244.03.3.247.2551,024
2553.3.248.0/223.3.248.03.3.251.2551,024
2563.3.252.0/223.3.252.03.3.255.2551,024
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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.