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IP subnet calculator

uk ru

21.0.0.88-21.0.0.95
21.0.0.88/29

21.0.0.96-21.0.0.127
21.0.0.96/27

21.0.0.128-21.0.0.255
21.0.0.128/25

21.0.1.0-21.0.1.255
21.0.1.0/24

21.0.2.0-21.0.3.255
21.0.2.0/23

21.0.4.0-21.0.7.255
21.0.4.0/22

21.0.8.0-21.0.15.255
21.0.8.0/21

21.0.16.0-21.0.31.255
21.0.16.0/20

21.0.32.0-21.0.63.255
21.0.32.0/19

21.0.64.0-21.0.127.255
21.0.64.0/18

21.0.128.0-21.0.255.255
21.0.128.0/17

21.104.161.0-21.104.161.127
21.104.161.0/25

21.104.161.128-21.104.161.191
21.104.161.128/26

21.104.161.192-21.104.161.223
21.104.161.192/27

21.104.161.224-21.104.161.239
21.104.161.224/28

21.104.161.240-21.104.161.247
21.104.161.240/29

21.104.0.0-21.104.127.255
21.104.0.0/17

21.104.128.0-21.104.159.255
21.104.128.0/19

21.104.160.0-21.104.160.255
21.104.160.0/24

21.1.0.0-21.1.255.255
21.1.0.0/16

21.2.0.0-21.3.255.255
21.2.0.0/15

21.4.0.0-21.7.255.255
21.4.0.0/14

21.8.0.0-21.15.255.255
21.8.0.0/13

21.16.0.0-21.31.255.255
21.16.0.0/12

21.32.0.0-21.63.255.255
21.32.0.0/11

21.64.0.0-21.95.255.255
21.64.0.0/11

21.96.0.0-21.103.255.255
21.96.0.0/13