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 Notation10.10.0.0/18
Network Address10.10.0.0
Broadcast Address10.10.63.255
First Host10.10.0.1
Last Host10.10.63.254
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
00001010.00001010.00000000.00000000
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 (/19)RangeBroadcast AddressUsable Hosts
110.10.0.0/1910.10.0.1 — 10.10.31.25410.10.31.2558,190
210.10.32.0/1910.10.32.1 — 10.10.63.25410.10.63.2558,190
Converter
IP → Integer
168427520
Mask → CIDR
/ 18
Range (hex)
0x0A0A0000 — 0x0A0A3FFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
10.10.0.0 10.10.63.255
Network ▲ 10.10.0.0 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