Collection of functions originally meant as an excercise to familiarize myself with AWS lambdas. Eventually put to use on Experts Exchange: https://www.experts-exchange.com/tools/

All functions use JSON for input/output.

• DownDetector: Checks to see if a particular URL returns a 200 status code or not
• IPLookup: Returns WHOIS and GeoIP information about an IP address.
• PortScanner: Scans for open ports on a given host.
• SSLChecker: Gathers SSL information given a host/port.
• SubnetCalculator: Simple tool for helping with subnet IPv4 and IPv6 calculations.