TelcoAIO - Network Engineering Toolbox

TelcoAIO is a free browser-based toolbox for telecom and network engineering work. It brings together practical utilities such as subnet calculation, VLSM subnetting, IP format conversion, DNS lookup, ASN conversion, BGP and RPKI checks, IP aggregation, batch PTR lookups, and maintenance notification generation.

The goal is simple: keep commonly used tools in one place, make them easy to access, and keep the site lightweight enough to be useful during day-to-day operations and troubleshooting.