networking

Turn 8 raw hex digits into a readable dotted-quad IPv4 address like 192.168.1.1.

Convert a dotted-quad IPv4 address like 192.168.1.1 into its raw 8-digit hex value.

Build a Kubernetes NetworkPolicy manifest with pod/namespace selectors, IP block rules, and separate ingress/egress rules.

Build EC2 security group ingress/egress rules as JSON, with one-click presets for SSH, HTTP, HTTPS, Postgres, and MySQL.

Generate random IPv4 or IPv6 addresses, restricted to any, private, or public-looking ranges.

Generate random 6-byte MAC addresses with a colon or hyphen separator and correct locally-administered bits.

Convert 32 bits of binary back into a readable IPv4 dotted-quad address.

Reconstruct an IPv6 address from 128 bits (8 groups of 16).

Convert an IPv4 dotted-quad address into its 32-bit binary representation.

Convert a full IPv6 address, including :: zero-compression, into its 128-bit binary form.