Subnet Mask Selector
192.168.1.0/24 10.0.0.0/8 172.16.0.0/12 192.168.100.0/26 10.10.0.0/16
Network
CIDR Notation10.0.0.0/19
Network Address10.0.0.0
Broadcast Address10.0.31.255
First Host10.0.0.1
Last Host10.0.31.254
Mask & Stats
Subnet Mask255.255.224.0
Wildcard Mask0.0.31.255
Total Hosts8,192
Usable Hosts8,190
IP ClassClass A
Address Type Private
Binary Representation
IP IP in Binary
00001010.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11100000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/24)RangeBroadcast AddressUsable Hosts
110.0.0.0/2410.0.0.1 — 10.0.0.25410.0.0.255254
210.0.1.0/2410.0.1.1 — 10.0.1.25410.0.1.255254
310.0.2.0/2410.0.2.1 — 10.0.2.25410.0.2.255254
410.0.3.0/2410.0.3.1 — 10.0.3.25410.0.3.255254
510.0.4.0/2410.0.4.1 — 10.0.4.25410.0.4.255254
610.0.5.0/2410.0.5.1 — 10.0.5.25410.0.5.255254
710.0.6.0/2410.0.6.1 — 10.0.6.25410.0.6.255254
810.0.7.0/2410.0.7.1 — 10.0.7.25410.0.7.255254
910.0.8.0/2410.0.8.1 — 10.0.8.25410.0.8.255254
1010.0.9.0/2410.0.9.1 — 10.0.9.25410.0.9.255254
1110.0.10.0/2410.0.10.1 — 10.0.10.25410.0.10.255254
1210.0.11.0/2410.0.11.1 — 10.0.11.25410.0.11.255254
1310.0.12.0/2410.0.12.1 — 10.0.12.25410.0.12.255254
1410.0.13.0/2410.0.13.1 — 10.0.13.25410.0.13.255254
1510.0.14.0/2410.0.14.1 — 10.0.14.25410.0.14.255254
1610.0.15.0/2410.0.15.1 — 10.0.15.25410.0.15.255254
1710.0.16.0/2410.0.16.1 — 10.0.16.25410.0.16.255254
1810.0.17.0/2410.0.17.1 — 10.0.17.25410.0.17.255254
1910.0.18.0/2410.0.18.1 — 10.0.18.25410.0.18.255254
2010.0.19.0/2410.0.19.1 — 10.0.19.25410.0.19.255254
2110.0.20.0/2410.0.20.1 — 10.0.20.25410.0.20.255254
2210.0.21.0/2410.0.21.1 — 10.0.21.25410.0.21.255254
2310.0.22.0/2410.0.22.1 — 10.0.22.25410.0.22.255254
2410.0.23.0/2410.0.23.1 — 10.0.23.25410.0.23.255254
2510.0.24.0/2410.0.24.1 — 10.0.24.25410.0.24.255254
2610.0.25.0/2410.0.25.1 — 10.0.25.25410.0.25.255254
2710.0.26.0/2410.0.26.1 — 10.0.26.25410.0.26.255254
2810.0.27.0/2410.0.27.1 — 10.0.27.25410.0.27.255254
2910.0.28.0/2410.0.28.1 — 10.0.28.25410.0.28.255254
3010.0.29.0/2410.0.29.1 — 10.0.29.25410.0.29.255254
3110.0.30.0/2410.0.30.1 — 10.0.30.25410.0.30.255254
3210.0.31.0/2410.0.31.1 — 10.0.31.25410.0.31.255254
Converter
IP → Integer
167772160
Mask → CIDR
/ 19
Range (hex)
0x0A000000 — 0x0A001FFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
10.0.0.0 10.0.31.255
Network ▲ 10.0.0.0 Broadcast
Usable hosts: 8,190
Reserved: 2
your_ip
📋 Subnet Cheat Sheet
CIDR Mask Hosts Usage
/8 255.0.0.0 16,777,214 Large Class A networks
/16 255.255.0.0 65,534 Medium corporate networks
/24 255.255.255.0 254 Typical home/office network
/25 255.255.255.128 126 Half of /24
/26 255.255.255.192 62 Small department
/27 255.255.255.224 30 Small office
/28 255.255.255.240 14 Micro-segment
/29 255.255.255.248 6 Point-to-point with hosts
/30 255.255.255.252 2 Point-to-point link
/31 255.255.255.254 2 P2P (RFC 3021)
/32 255.255.255.255 1 Single host route