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Udger database includes categorized (udger detected/tested) IP addresses

More than 1,504,000 of categorized IP addresses

List type: Crawlers | Public proxies | Public cgi proxies | VPN services | Tor exit nodes | Fake crawlers | Web scrapers| Known attack source

"A Web crawler is an Internet bot which systematically browses the web."

Last seen	Crawler	IP address	IP name	DC	Country
2026-04-21 10:01:33	anthropic bot	216.73.216.212	?		US
2026-04-21 10:00:40	umich.edu crawler	3.237.204.81	ec2-3-237-204-81.compute-1.amazonaws.com		US
2026-04-21 10:00:36	uptime.bot	18.233.58.241	ec2-18-233-58-241.compute-1.amazonaws.com		US
2026-04-21 10:00:34	SeznamBot	2a02:598:244::1072	?		CZ
2026-04-21 10:00:20	uptime.bot	52.47.146.163	ec2-52-47-146-163.eu-west-3.compute.amazonaws.com		FR
2026-04-21 10:00:01	uptime.bot	52.77.36.31	ec2-52-77-36-31.ap-southeast-1.compute.amazonaws.com		SG
2026-04-21 09:59:51	Online Domain Tools	216.158.234.82	mail2.email-verifier-online-domain-tools.com		US
2026-04-21 09:58:26	AhrefsBot	148.113.130.147	ip147.ip-148-113-130.net		CA
2026-04-21 09:57:41	SEMrushBot	185.191.171.13	crawl13.bl.semrush.com		MD
2026-04-21 09:57:02	YandexBot	87.250.224.90	87-250-224-90.spider.yandex.com		RU