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Anomalies

Transient Prefix OriginsAnomalous DepeeringsBogus ASNsBogon PrefixesLong/short Prefixes
Start date*    End date*  
Origin AS:  one or multiple ASNs, e.g., 52,7018
Initial bits of prefix:  e.g., 2607:f010::, 2001:478:

Tips

Transient prefix origins are cases of ASes that announce a prefix for a very short time and then withdraw it right afterwards. Cyclops considers such announcements transient if they last for less than 5 days. The start and end dates specify the time window where Cyclops should look for appearances or disappearances of prefixes.
 
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