# Functions
New makes a new Annotator that uses IP addresses to lookup ASN metadata for that IP based on the current copy of RouteViews data stored in the given providers.
NewFake returns an annotator that know about just one v4 IP (1.2.3.4) and one v6 IP (1111:2222:3333:4444:5555:6666:7777:8888).
NewIPv4 makes a new IPv4-only Annotator that uses IP addresses to lookup ASN metadata for that IP based on the current copy of RouteViews data stored in the given providers.
# Interfaces
ASNAnnotator is just a regular annotator with a Reload method and an AnnotateIP method.