IP to ASN Mapping Service

https://team-cymru.com/community-services/ip-asn-mapping

This Go Module supports bulk queries to the Team Cymru IP ASN Mapping Service.

Description

Using this module you can submit IPv4, IPv6 or ASN's and get BGP data.

Go Doc

https://pkg.go.dev/github.com/chrispassas/ipasn

Example

Parse Whole File

package main

import (
	"context"
	"log"

	"github.com/chrispassas/ipasn"
)

func main() {
	log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)

	var values = []string{
		"1.1.1.0/24",
		"8.8.8.8",
		"9.9.9.9",
		"AS13335",
		"2001:0db8:85a3:0000:0000:8a2e:0370:7334",
	}
	var results []ipasn.Result
	var err error
	if results, err = ipasn.BulkSearch(context.Background(), values); err != nil {
		log.Fatalf("ipasn.Search() error:%v", err)
	}

	for _, r := range results {
		log.Printf("----------------------")
		log.Printf("asn:%d", r.ASN)
		log.Printf("asname:%s", r.ASName)
		log.Printf("allocated:%s", r.Allocated)
		log.Printf("prefix:%s", r.BGPPrefix)
		log.Printf("cc:%s", r.CC)
		log.Printf("registry:%s", r.Registry)
	}
}