IP Binary Converter
Enter an IP address in dotted-decimal format or binary to instantly convert between the two representations. View the binary equivalent of each octet, understand bit-level subnetting, and analyze network vs host bits — a must-have tool for learning IP addressing and troubleshooting subnet boundaries. The fastest way to calculate subnet mask is to enter a CIDR prefix and get the dotted-decimal mask, wildcard mask, and host count.
Decimal → Binary
Binary → Decimal
Octet Breakdown
| Octet | Decimal | Binary | Calculation (128+64+32+16+8+4+2+1) |
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