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 Notation192.0.0.0/13
Network Address192.0.0.0
Broadcast Address192.7.255.255
First Host192.0.0.1
Last Host192.7.255.254
Mask & Stats
Subnet Mask255.248.0.0
Wildcard Mask0.7.255.255
Total Hosts524,288
Usable Hosts524,286
IP ClassClass C
Address Type Public
Binary Representation
IP IP in Binary
11000000.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111000.00000000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/18)RangeBroadcast AddressUsable Hosts
1192.0.0.0/18192.0.0.1 — 192.0.63.254192.0.63.25516,382
2192.0.64.0/18192.0.64.1 — 192.0.127.254192.0.127.25516,382
3192.0.128.0/18192.0.128.1 — 192.0.191.254192.0.191.25516,382
4192.0.192.0/18192.0.192.1 — 192.0.255.254192.0.255.25516,382
5192.1.0.0/18192.1.0.1 — 192.1.63.254192.1.63.25516,382
6192.1.64.0/18192.1.64.1 — 192.1.127.254192.1.127.25516,382
7192.1.128.0/18192.1.128.1 — 192.1.191.254192.1.191.25516,382
8192.1.192.0/18192.1.192.1 — 192.1.255.254192.1.255.25516,382
9192.2.0.0/18192.2.0.1 — 192.2.63.254192.2.63.25516,382
10192.2.64.0/18192.2.64.1 — 192.2.127.254192.2.127.25516,382
11192.2.128.0/18192.2.128.1 — 192.2.191.254192.2.191.25516,382
12192.2.192.0/18192.2.192.1 — 192.2.255.254192.2.255.25516,382
13192.3.0.0/18192.3.0.1 — 192.3.63.254192.3.63.25516,382
14192.3.64.0/18192.3.64.1 — 192.3.127.254192.3.127.25516,382
15192.3.128.0/18192.3.128.1 — 192.3.191.254192.3.191.25516,382
16192.3.192.0/18192.3.192.1 — 192.3.255.254192.3.255.25516,382
17192.4.0.0/18192.4.0.1 — 192.4.63.254192.4.63.25516,382
18192.4.64.0/18192.4.64.1 — 192.4.127.254192.4.127.25516,382
19192.4.128.0/18192.4.128.1 — 192.4.191.254192.4.191.25516,382
20192.4.192.0/18192.4.192.1 — 192.4.255.254192.4.255.25516,382
21192.5.0.0/18192.5.0.1 — 192.5.63.254192.5.63.25516,382
22192.5.64.0/18192.5.64.1 — 192.5.127.254192.5.127.25516,382
23192.5.128.0/18192.5.128.1 — 192.5.191.254192.5.191.25516,382
24192.5.192.0/18192.5.192.1 — 192.5.255.254192.5.255.25516,382
25192.6.0.0/18192.6.0.1 — 192.6.63.254192.6.63.25516,382
26192.6.64.0/18192.6.64.1 — 192.6.127.254192.6.127.25516,382
27192.6.128.0/18192.6.128.1 — 192.6.191.254192.6.191.25516,382
28192.6.192.0/18192.6.192.1 — 192.6.255.254192.6.255.25516,382
29192.7.0.0/18192.7.0.1 — 192.7.63.254192.7.63.25516,382
30192.7.64.0/18192.7.64.1 — 192.7.127.254192.7.127.25516,382
31192.7.128.0/18192.7.128.1 — 192.7.191.254192.7.191.25516,382
32192.7.192.0/18192.7.192.1 — 192.7.255.254192.7.255.25516,382
Converter
IP → Integer
3221225472
Mask → CIDR
/ 13
Range (hex)
0xC0000000 — 0xC007FFFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
192.0.0.0 192.7.255.255
Network ▲ 192.0.0.0 Broadcast
Usable hosts: 524,286
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