🧮 IP Calculator
Subnet calculation, ranges, masks and CIDR notation
Subnet Mask Selector
Network
| CIDR Notation | 172.0.0.0/24 |
| Network Address | 172.0.0.0 |
| Broadcast Address | 172.0.0.255 |
| First Host | 172.0.0.1 |
| Last Host | 172.0.0.254 |
Mask & Stats
| Subnet Mask | 255.255.255.0 |
| Wildcard Mask | 0.0.0.255 |
| Total Hosts | 256 |
| Usable Hosts | 254 |
| IP Class | Class B |
| Address Type | Public |
Binary Representation
IP IP in Binary
10101100.00000000.00000000.00000000
█ network bits
█ host bits
Mask in Binary
11111111.11111111.11111111.00000000
Subnet Splitter
| # | Subnet (/28) | Range | Broadcast Address | Usable Hosts |
|---|---|---|---|---|
| 1 | 172.0.0.0/28 | 172.0.0.1 — 172.0.0.14 | 172.0.0.15 | 14 |
| 2 | 172.0.0.16/28 | 172.0.0.17 — 172.0.0.30 | 172.0.0.31 | 14 |
| 3 | 172.0.0.32/28 | 172.0.0.33 — 172.0.0.46 | 172.0.0.47 | 14 |
| 4 | 172.0.0.48/28 | 172.0.0.49 — 172.0.0.62 | 172.0.0.63 | 14 |
| 5 | 172.0.0.64/28 | 172.0.0.65 — 172.0.0.78 | 172.0.0.79 | 14 |
| 6 | 172.0.0.80/28 | 172.0.0.81 — 172.0.0.94 | 172.0.0.95 | 14 |
| 7 | 172.0.0.96/28 | 172.0.0.97 — 172.0.0.110 | 172.0.0.111 | 14 |
| 8 | 172.0.0.112/28 | 172.0.0.113 — 172.0.0.126 | 172.0.0.127 | 14 |
| 9 | 172.0.0.128/28 | 172.0.0.129 — 172.0.0.142 | 172.0.0.143 | 14 |
| 10 | 172.0.0.144/28 | 172.0.0.145 — 172.0.0.158 | 172.0.0.159 | 14 |
| 11 | 172.0.0.160/28 | 172.0.0.161 — 172.0.0.174 | 172.0.0.175 | 14 |
| 12 | 172.0.0.176/28 | 172.0.0.177 — 172.0.0.190 | 172.0.0.191 | 14 |
| 13 | 172.0.0.192/28 | 172.0.0.193 — 172.0.0.206 | 172.0.0.207 | 14 |
| 14 | 172.0.0.208/28 | 172.0.0.209 — 172.0.0.222 | 172.0.0.223 | 14 |
| 15 | 172.0.0.224/28 | 172.0.0.225 — 172.0.0.238 | 172.0.0.239 | 14 |
| 16 | 172.0.0.240/28 | 172.0.0.241 — 172.0.0.254 | 172.0.0.255 | 14 |
Converter
IP → Integer
2885681152
Mask → CIDR
/ 24
Range (hex)
0xAC000000 — 0xAC0000FF
Quick Converter (no reload)
IP → Integer
Integer → IP
📊 Subnet Visualization
172.0.0.0
172.0.0.255
Network
▲ 172.0.0.0
Broadcast
Usable hosts: 254
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 |