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 Notation172.0.0.0/22
Network Address172.0.0.0
Broadcast Address172.0.3.255
First Host172.0.0.1
Last Host172.0.3.254
Mask & Stats
Subnet Mask255.255.252.0
Wildcard Mask0.0.3.255
Total Hosts1,024
Usable Hosts1,022
IP ClassClass B
Address Type Public
Binary Representation
IP IP in Binary
10101100.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.11111100.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/24)RangeBroadcast AddressUsable Hosts
1172.0.0.0/24172.0.0.1 — 172.0.0.254172.0.0.255254
2172.0.1.0/24172.0.1.1 — 172.0.1.254172.0.1.255254
3172.0.2.0/24172.0.2.1 — 172.0.2.254172.0.2.255254
4172.0.3.0/24172.0.3.1 — 172.0.3.254172.0.3.255254
Converter
IP → Integer
2885681152
Mask → CIDR
/ 22
Range (hex)
0xAC000000 — 0xAC0003FF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
172.0.0.0 172.0.3.255
Network ▲ 172.0.0.0 Broadcast
Usable hosts: 1,022
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