Simple tool to find the upstream for a specific IP
Usage:
user>go run main.go 1.1.1.1
Example Output:
IP ASN: AS13335 ClOUDFLARENET
Neighbors:
AS10075 - FGL-AS-BD Fiber@Home Global Limited (upstream)
AS10089 - DTNCORP-TH-AP Total Access Communication PLC. (upstream)
AS10094 - UNN-BN Unified National Networks (upstream)
AS1103 - SURFNET-NL - SURF B.V. (upstream)
AS11058 - CABASE Camara Arg de Base de Datos y Serv en Linea (upstream)
AS11096 - FLORIDANET (upstream)
AS1221 - ASN-TELSTRA Telstra Corporation Ltd (upstream)