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Status
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Live Routes
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Autonomous Systems
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Prefixes
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BGP Peers
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Updates/sec

AS Number Lookup

Enter an AS number to view its announced prefixes and peers

AS Name Search

Search for autonomous systems by organization name or handle

IP Address Lookup

Get routing information for any IP address

Result


                

            

        


        {{ with .Cards }}
        

            

                
Newest Updated Route

                {{ with .NewestRoute }}
                
{{ .Prefix }} from {{ if .OriginASN }}AS{{ .OriginASN }}{{ else }}no known origin{{ end }}

                
{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}

                {{ else }}
                
The routing table keeps no route yet.

                {{ end }}
            


            

                
Oldest Updated Route

                {{ with .OldestRoute }}
                
{{ .Prefix }} from {{ if .OriginASN }}AS{{ .OriginASN }}{{ else }}no known origin{{ end }}

                
{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}

                {{ else }}
                
The routing table keeps no route yet.

                {{ end }}
            


            

                
Newest Updated AS

                {{ with .NewestAS }}
                
AS{{ .ASN }} {{ .Handle }}

                
{{ .Description }}

                
Last seen {{ .LastSeen.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .LastSeen }}

                {{ else }}
                
No AS has been seen yet.

                {{ end }}
            


            

                
Oldest Updated AS

                {{ with .OldestAS }}
                
AS{{ .ASN }} {{ .Handle }}

                
{{ .Description }}

                
Last seen {{ .LastSeen.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .LastSeen }}

                {{ else }}
                
No AS has been seen yet.

                {{ end }}
            


            

                
AS with the Most Prefixes

                {{ if .MostPrefixes }}
                
AS{{ .MostPrefixesASN }}

                
Prefixes it originates: {{ .MostPrefixes }}

                {{ else }}
                
No AS originates a prefix yet.

                {{ end }}
            


            

                
ASes with the Fewest Prefixes

                
ASes that originate a single prefix: {{ .SinglePrefixASes }}

                {{ with .NewestSinglePrefix }}
                
The most recently updated of them: AS{{ .OriginASN }}, with {{ .Prefix }}

                
{{ .Time.UTC.Format "2006-01-02 15:04:05" }} UTC, {{ timeSince .Time }}

                {{ end }}
            


            

                
Bogon Announcements

                
{{ .BogonCount }}

                
Routes that announce a reserved prefix, or that come from a reserved AS number

            


            

                
Prefixes with Several Origins

                
{{ .MultipleOriginCount }}

                
Prefixes announced by more than one origin AS

            

        


        

            
Well-Known Networks

            
                    {{ range .WellKnownNetworks }}
                    
                    {{ end }}
                

                
                    

                        Network
                        Prefixes
                        Last Update
                    

                
                

                        AS{{ .ASN }} {{ .Name }}
                        {{ .Prefixes }}
                        {{ with .Newest }}{{ timeSince . }}{{ else }}no route{{ end }}
                    

            

        

        {{ else }}
        

            
The figures of the routing table are being worked out. Reload the page in a minute.

        

        {{ end }}

        

            
IP Information API

            
The API answers what RouteWatch knows about an IP address, such as its AS number and country. /ip/ with no address answers for the caller's own address.

            

            
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