Yahoo Ad Monitoring is a bot devoloped by Yahoo! Inc..

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613690367-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613683268-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613676779-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613658477-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613633576-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613616064-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613608751-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613685267-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613669636-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613655251-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613560194-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613560213-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613560191-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613554240-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613536745-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613533148-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613524434-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613588435-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613542365-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613507572-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613507489-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613500400-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613500395-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613444752-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613444747-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613441273-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613436745-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613503940-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613454204-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613436534-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613406515-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613210330-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613190064-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613190049-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613186419-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613178615-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613178406-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613100274-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613092250-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613091597-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613091576-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613054006-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613037501-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613014428-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613014429-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613010057-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613004769-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613080819-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613080814-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1613057052-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613008607-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1613003231-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612964795-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612962610-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612956950-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612945324-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612890357-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612886375-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612863142-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612856723-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612840788-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612836028-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612834079-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612832860-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612832857-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612830806-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612905747-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612905279-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612905282-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612897249-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612862622-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612760340-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612760342-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612770671-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612766008-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612810025-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612810018-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612796916-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612748792-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612743966-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612828124-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612740098-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612686028-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612686025-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612684101-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612664980-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612658900-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612739308-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612580497-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612653999-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612639177-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612594872-10
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612578451-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-rest_client/1612571905-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612516066-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612516068-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612565516-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612541078-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612540931-0
• Mozilla/5.0 (compatible; Yahoo Ad monitoring; https://help.yahoo.com/kb/yahoo-ad-monitoring-SLN24857.html) tands-prod-eng.hlfs-prod---sieve.hlfs-desktop/1612499341-0