Extend ASNames to include more information

[digizeph]

This is an exmaple

{
  "asn": 0,
  "as_name": "-Reserved AS-, ZZ",
  "org_id": null,
  "org_name": null,
  "country_code": null,
  "country_name": null,
  "data_source": null
}

We can obtain the rest of the information from CAIDA's data source.