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AS ConnectivityPrefix Origins
Viewing mode: *
Date: *  
ASNs:  one or multiple ASNs, e.g., 52,7018
Initial bits of prefix:  e.g., 2607:f010::, 2001:478:
Location:  country code, e.g., US
Output grouping: 


When in Snapshot mode, you can check the complete list of prefixes announced by a given ASN. In Diff mode you only see the prefixes which appear or disappear between a window of time defined by start and end dates. You can further filter the results by specifying the geographical location and aggregate results by ASN, Country or City. Cyclops extracts the geographical location of prefix from Maxmind's GeoLite City.
 Quick lookup
ASN or AS Name:
IP address or DNS name:

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Please send questions/bugs/suggestions to cyclops at 6watch dot net