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 Notation10.0.0.0/18
Network Address10.0.0.0
Broadcast Address10.0.63.255
First Host10.0.0.1
Last Host10.0.63.254
Mask & Stats
Subnet Mask255.255.192.0
Wildcard Mask0.0.63.255
Total Hosts16,384
Usable Hosts16,382
IP ClassClass A
Address Type Private
Binary Representation
IP IP in Binary
00001010.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11000000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/23)RangeBroadcast AddressUsable Hosts
110.0.0.0/2310.0.0.1 — 10.0.1.25410.0.1.255510
210.0.2.0/2310.0.2.1 — 10.0.3.25410.0.3.255510
310.0.4.0/2310.0.4.1 — 10.0.5.25410.0.5.255510
410.0.6.0/2310.0.6.1 — 10.0.7.25410.0.7.255510
510.0.8.0/2310.0.8.1 — 10.0.9.25410.0.9.255510
610.0.10.0/2310.0.10.1 — 10.0.11.25410.0.11.255510
710.0.12.0/2310.0.12.1 — 10.0.13.25410.0.13.255510
810.0.14.0/2310.0.14.1 — 10.0.15.25410.0.15.255510
910.0.16.0/2310.0.16.1 — 10.0.17.25410.0.17.255510
1010.0.18.0/2310.0.18.1 — 10.0.19.25410.0.19.255510
1110.0.20.0/2310.0.20.1 — 10.0.21.25410.0.21.255510
1210.0.22.0/2310.0.22.1 — 10.0.23.25410.0.23.255510
1310.0.24.0/2310.0.24.1 — 10.0.25.25410.0.25.255510
1410.0.26.0/2310.0.26.1 — 10.0.27.25410.0.27.255510
1510.0.28.0/2310.0.28.1 — 10.0.29.25410.0.29.255510
1610.0.30.0/2310.0.30.1 — 10.0.31.25410.0.31.255510
1710.0.32.0/2310.0.32.1 — 10.0.33.25410.0.33.255510
1810.0.34.0/2310.0.34.1 — 10.0.35.25410.0.35.255510
1910.0.36.0/2310.0.36.1 — 10.0.37.25410.0.37.255510
2010.0.38.0/2310.0.38.1 — 10.0.39.25410.0.39.255510
2110.0.40.0/2310.0.40.1 — 10.0.41.25410.0.41.255510
2210.0.42.0/2310.0.42.1 — 10.0.43.25410.0.43.255510
2310.0.44.0/2310.0.44.1 — 10.0.45.25410.0.45.255510
2410.0.46.0/2310.0.46.1 — 10.0.47.25410.0.47.255510
2510.0.48.0/2310.0.48.1 — 10.0.49.25410.0.49.255510
2610.0.50.0/2310.0.50.1 — 10.0.51.25410.0.51.255510
2710.0.52.0/2310.0.52.1 — 10.0.53.25410.0.53.255510
2810.0.54.0/2310.0.54.1 — 10.0.55.25410.0.55.255510
2910.0.56.0/2310.0.56.1 — 10.0.57.25410.0.57.255510
3010.0.58.0/2310.0.58.1 — 10.0.59.25410.0.59.255510
3110.0.60.0/2310.0.60.1 — 10.0.61.25410.0.61.255510
3210.0.62.0/2310.0.62.1 — 10.0.63.25410.0.63.255510
Converter
IP → Integer
167772160
Mask → CIDR
/ 18
Range (hex)
0x0A000000 — 0x0A003FFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
10.0.0.0 10.0.63.255
Network ▲ 10.0.0.0 Broadcast
Usable hosts: 16,382
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