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 Notation192.0.0.0/16
Network Address192.0.0.0
Broadcast Address192.0.255.255
First Host192.0.0.1
Last Host192.0.255.254
Mask & Stats
Subnet Mask255.255.0.0
Wildcard Mask0.0.255.255
Total Hosts65,536
Usable Hosts65,534
IP ClassClass C
Address Type Public
Binary Representation
IP IP in Binary
11000000.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111111.00000000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/20)RangeBroadcast AddressUsable Hosts
1192.0.0.0/20192.0.0.1 — 192.0.15.254192.0.15.2554,094
2192.0.16.0/20192.0.16.1 — 192.0.31.254192.0.31.2554,094
3192.0.32.0/20192.0.32.1 — 192.0.47.254192.0.47.2554,094
4192.0.48.0/20192.0.48.1 — 192.0.63.254192.0.63.2554,094
5192.0.64.0/20192.0.64.1 — 192.0.79.254192.0.79.2554,094
6192.0.80.0/20192.0.80.1 — 192.0.95.254192.0.95.2554,094
7192.0.96.0/20192.0.96.1 — 192.0.111.254192.0.111.2554,094
8192.0.112.0/20192.0.112.1 — 192.0.127.254192.0.127.2554,094
9192.0.128.0/20192.0.128.1 — 192.0.143.254192.0.143.2554,094
10192.0.144.0/20192.0.144.1 — 192.0.159.254192.0.159.2554,094
11192.0.160.0/20192.0.160.1 — 192.0.175.254192.0.175.2554,094
12192.0.176.0/20192.0.176.1 — 192.0.191.254192.0.191.2554,094
13192.0.192.0/20192.0.192.1 — 192.0.207.254192.0.207.2554,094
14192.0.208.0/20192.0.208.1 — 192.0.223.254192.0.223.2554,094
15192.0.224.0/20192.0.224.1 — 192.0.239.254192.0.239.2554,094
16192.0.240.0/20192.0.240.1 — 192.0.255.254192.0.255.2554,094
Converter
IP → Integer
3221225472
Mask → CIDR
/ 16
Range (hex)
0xC0000000 — 0xC000FFFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
192.0.0.0 192.0.255.255
Network ▲ 192.0.0.0 Broadcast
Usable hosts: 65,534
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