small improvement

improve: 在本地对部分IP做了过滤

.gitignore

@@ -161,3 +161,5 @@ Network Trash Folder
 Temporary Items
 .apdisk
 
+# compile target directory
+dist/

cmd/cmd.go

@@ -39,7 +39,8 @@ func Excute() {
 	dataOrigin := parser.Selector("d", "data-provider", []string{"IP.SB", "IPInfo", "IPInsight", "IPAPI.com"}, &argparse.Options{Default: "LeoMoeAPI",
 		Help: "Choose IP Geograph Data Provider [LeoMoeAPI,IP.SB, IPInfo, IPInsight, IPAPI.com]"})
 	noRdns := parser.Flag("n", "no-rdns", &argparse.Options{Help: " Do not resolve IP addresses to their domain names"})
-	routePath := parser.Flag("r", "route-path", &argparse.Options{Help: "Print traceroute hop path by ASN and location"})
+	routePath := parser.Flag("P", "route-path", &argparse.Options{Help: "Print traceroute hop path by ASN and location"})
+	report := parser.Flag("r", "report", &argparse.Options{Help: "output using report mode"})
 	output := parser.Flag("o", "output", &argparse.Options{Help: "Write trace result to file (RealTimePrinter ONLY)"})
 	tablePrint := parser.Flag("t", "table", &argparse.Options{Help: "Output trace results as table"})
 	classicPrint := parser.Flag("c", "classic", &argparse.Options{Help: "Classic Output trace results like BestTrace"})
@@ -168,7 +169,9 @@ func Excute() {
 			}
 		}
 	} else {
-		conf.AsyncPrinter = printer.TracerouteTablePrinter
+		if !*report {
+			conf.AsyncPrinter = printer.TracerouteTablePrinter
+		}
 	}
 
 	res, err := trace.Traceroute(m, conf)

ipgeo/ipfilter.go

@@ -0,0 +1,86 @@
+package ipgeo
+
+import (
+	"net"
+)
+
+func cidrRangeContains(cidrRange string, checkIP string) bool {
+	_, ipNet, err := net.ParseCIDR(cidrRange)
+	if err != nil {
+		return false
+	}
+	secondIP := net.ParseIP(checkIP)
+	return ipNet.Contains(secondIP)
+}
+
+// 被选到的返回 geodata, true  否则返回 nil, false
+func Filter(ip string) (*IPGeoData, bool) {
+	//geodata := &IPGeoData{}
+	asn := ""
+	whois := ""
+	isFiltered := false
+	switch {
+	//rfc1918
+	case net.ParseIP(ip).IsPrivate():
+		asn = ""
+		whois = "RFC1918"
+		isFiltered = true
+	//IANA Reserved Address Space
+	case cidrRangeContains("100.64.0.0/10", ip):
+		asn = ""
+		whois = "RFC6598"
+		isFiltered = true
+	case cidrRangeContains("198.18.0.0/15", ip):
+		asn = ""
+		whois = "RFC2544"
+		isFiltered = true
+	case cidrRangeContains("198.51.100.0/24", ip):
+		fallthrough
+	case cidrRangeContains("203.0.113.0/24", ip):
+		asn = ""
+		whois = "RFC5737"
+		isFiltered = true
+	case cidrRangeContains("240.0.0.0/4", ip):
+		asn = ""
+		whois = "RFC1112"
+		isFiltered = true
+	//Defense Information System Network
+	case cidrRangeContains("6.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("7.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("11.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("21.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("22.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("26.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("28.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("29.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("30.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("33.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("55.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("214.0.0.0/8", ip):
+		fallthrough
+	case cidrRangeContains("215.0.0.0/8", ip):
+		asn = ""
+		whois = "DOD"
+		isFiltered = true
+	default:
+	}
+	if !isFiltered {
+		return nil, false
+	} else {
+		return &IPGeoData{
+			Asnumber: asn,
+			Whois:    whois,
+		}, true
+	}
+}

printer/printer.go

@@ -74,12 +74,13 @@ func formatIpGeoData(ip string, data *ipgeo.IPGeoData) string {
 
 	// TODO: 判断阿里云和腾讯云内网，数据不足，有待进一步完善
 	// TODO: 移动IDC判断到Hop.fetchIPData函数，减少API调用
-	if strings.HasPrefix(ip, "9.") {
-		res = append(res, "LAN Address")
-	} else if strings.HasPrefix(ip, "11.") {
-		res = append(res, "LAN Address")
-	} else if data.Country == "" {
-		res = append(res, "LAN Address")
+	//if strings.HasPrefix(ip, "9.") {
+	//	res = append(res, "LAN Address")
+	//} else if strings.HasPrefix(ip, "11.") {
+	//	res = append(res, "LAN Address")
+	//} else if data.Country == "" {
+	//	res = append(res, "LAN Address")
+	if false {
 	} else {
 		// 有些IP的归属信息为空，这个时候将ISP的信息填入
 		if data.Owner == "" {

printer/realtime_printer.go

@@ -72,6 +72,10 @@ func RealtimePrinter(res *trace.Result, ttl int) {
 				fallthrough
 			case res.Hops[ttl][i].Geo.Asnumber == "9929":
 				fallthrough
+			case res.Hops[ttl][i].Geo.Asnumber == "23764":
+				fallthrough
+			case res.Hops[ttl][i].Geo.Whois == "CMIN2-NET":
+				fallthrough
 			case strings.HasPrefix(res.Hops[ttl][i].Address.String(), "59.43."):
 				fmt.Fprintf(color.Output, " %s", color.New(color.FgHiYellow, color.Bold).Sprintf("AS%-6s", res.Hops[ttl][i].Geo.Asnumber))
 			default:
@@ -102,10 +106,14 @@ func RealtimePrinter(res *trace.Result, ttl int) {
 				fallthrough
 			case res.Hops[ttl][i].Geo.Asnumber == "9929":
 				fallthrough
+			case res.Hops[ttl][i].Geo.Asnumber == "23764":
+				fallthrough
 			case whoisFormat[0] == "[CNC-BACKBONE]":
 				fallthrough
 			case whoisFormat[0] == "[CUG-BACKBONE]":
 				fallthrough
+			case whoisFormat[0] == "[CMIN2-NET]":
+				fallthrough
 			case strings.HasPrefix(res.Hops[ttl][i].Address.String(), "59.43."):
 				fmt.Fprintf(color.Output, " %s", color.New(color.FgHiYellow, color.Bold).Sprintf("%-16s", whoisFormat[0]))
 			default:

trace/trace.go

@@ -140,7 +140,11 @@ func (h *Hop) fetchIPData(c Config) (err error) {
 		}
 	}
 	if c.IPGeoSource != nil && h.Geo == nil {
-		h.Geo, err = c.IPGeoSource(h.Address.String())
+		res := false
+		h.Geo, res = ipgeo.Filter(h.Address.String())
+		if !res {
+			h.Geo, err = c.IPGeoSource(h.Address.String())
+		}
 	}
 	return
 }