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 Notation10.0.0.0/15
Network Address10.0.0.0
Broadcast Address10.1.255.255
First Host10.0.0.1
Last Host10.1.255.254
Mask & Stats
Subnet Mask255.254.0.0
Wildcard Mask0.1.255.255
Total Hosts131,072
Usable Hosts131,070
IP ClassClass A
Address Type Private
Binary Representation
IP IP in Binary
00001010.00000000.00000000.00000000
network bits   host bits
Mask in Binary
11111111.11111110.00000000.00000000
Subnet Splitter
Split into 2 subnets 4 subnets 8 subnets 16 subnets 32 subnets
#Subnet (/20)RangeBroadcast AddressUsable Hosts
110.0.0.0/2010.0.0.1 — 10.0.15.25410.0.15.2554,094
210.0.16.0/2010.0.16.1 — 10.0.31.25410.0.31.2554,094
310.0.32.0/2010.0.32.1 — 10.0.47.25410.0.47.2554,094
410.0.48.0/2010.0.48.1 — 10.0.63.25410.0.63.2554,094
510.0.64.0/2010.0.64.1 — 10.0.79.25410.0.79.2554,094
610.0.80.0/2010.0.80.1 — 10.0.95.25410.0.95.2554,094
710.0.96.0/2010.0.96.1 — 10.0.111.25410.0.111.2554,094
810.0.112.0/2010.0.112.1 — 10.0.127.25410.0.127.2554,094
910.0.128.0/2010.0.128.1 — 10.0.143.25410.0.143.2554,094
1010.0.144.0/2010.0.144.1 — 10.0.159.25410.0.159.2554,094
1110.0.160.0/2010.0.160.1 — 10.0.175.25410.0.175.2554,094
1210.0.176.0/2010.0.176.1 — 10.0.191.25410.0.191.2554,094
1310.0.192.0/2010.0.192.1 — 10.0.207.25410.0.207.2554,094
1410.0.208.0/2010.0.208.1 — 10.0.223.25410.0.223.2554,094
1510.0.224.0/2010.0.224.1 — 10.0.239.25410.0.239.2554,094
1610.0.240.0/2010.0.240.1 — 10.0.255.25410.0.255.2554,094
1710.1.0.0/2010.1.0.1 — 10.1.15.25410.1.15.2554,094
1810.1.16.0/2010.1.16.1 — 10.1.31.25410.1.31.2554,094
1910.1.32.0/2010.1.32.1 — 10.1.47.25410.1.47.2554,094
2010.1.48.0/2010.1.48.1 — 10.1.63.25410.1.63.2554,094
2110.1.64.0/2010.1.64.1 — 10.1.79.25410.1.79.2554,094
2210.1.80.0/2010.1.80.1 — 10.1.95.25410.1.95.2554,094
2310.1.96.0/2010.1.96.1 — 10.1.111.25410.1.111.2554,094
2410.1.112.0/2010.1.112.1 — 10.1.127.25410.1.127.2554,094
2510.1.128.0/2010.1.128.1 — 10.1.143.25410.1.143.2554,094
2610.1.144.0/2010.1.144.1 — 10.1.159.25410.1.159.2554,094
2710.1.160.0/2010.1.160.1 — 10.1.175.25410.1.175.2554,094
2810.1.176.0/2010.1.176.1 — 10.1.191.25410.1.191.2554,094
2910.1.192.0/2010.1.192.1 — 10.1.207.25410.1.207.2554,094
3010.1.208.0/2010.1.208.1 — 10.1.223.25410.1.223.2554,094
3110.1.224.0/2010.1.224.1 — 10.1.239.25410.1.239.2554,094
3210.1.240.0/2010.1.240.1 — 10.1.255.25410.1.255.2554,094
Converter
IP → Integer
167772160
Mask → CIDR
/ 15
Range (hex)
0x0A000000 — 0x0A01FFFF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
10.0.0.0 10.1.255.255
Network ▲ 10.0.0.0 Broadcast
Usable hosts: 131,070
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