Forum Moderated by: open

Crawler, Spider, and User Agent ID


Forum to identify search engine spiders and user agents

 
Thread SubjectMessagesStarted byLast Message
FeedFetcher-Google running amok
7 Pfui 5:12 pm Mar 9, 2026
Procter & Gamble bot-running
(not just soap 'n' stuff)
9 Pfui 11:57 pm Feb 19, 2026
A useful resource for bot / proxy detectives
2 SumGuy 7:26 pm Jan 6, 2026
Softblocking 35.0.0.0/8
22 IJustWanttoPost 11:26 pm Dec 21, 2025
FBI Seeks To Unmask Anonymous Web Archiving Service Owner
Archive.today
4 SumGuy 11:46 pm Dec 17, 2025
Is anyone getting hits from 121.99.4.0/24 ?
15 SumGuy 3:28 am Dec 16, 2025
Where is grok bot / xAI?
Does grok use anonymous VPNs to crawl sites?
18 SumGuy 9:03 pm Dec 9, 2025
Complete mess all over 43.0.0.0/8
Concidering nuking the whole /8 for US/Canada sites
15 blend27 5:34 am Dec 5, 2025
ShapBot
3 SumGuy 3:27 am Nov 14, 2025
Bad actors from 140.235.0.0/22
140.235.0.0/22
2 Bewenched 3:46 pm Nov 11, 2025
the robots ye will always have with you
6 lucy24 5:50 pm Nov 9, 2025
Evolving and Cloaking Your Robots.txt into an Active Bot Gatekeeper
9 Brett_Tabke 5:37 pm Nov 9, 2025
Archive.org now sometimes using generic user-agent?
3 SumGuy 5:28 pm Oct 28, 2025
blocking amazon networks
24 markRg 10:04 pm Oct 20, 2025
Web host not seen before - AI hosting
5 Bewenched 5:10 pm Oct 16, 2025
xAI / grok likely getting web search from Microsoft
1 SumGuy 1:48 pm Oct 15, 2025
TikTokSpider
7 lucy24 5:52 pm Oct 14, 2025
Why does ClaudeBot / Anthropic do this?
Repeatedly ask for robots and sitemap
2 SumGuy 6:10 am Oct 13, 2025
ACEVILLEPTELTD Singapore Scraper Farm
8 not2easy 11:11 pm Oct 12, 2025
Found some bad actors from this ISP
cheapy.host LLC 196.251.81.0
4 Bewenched 2:18 am Oct 12, 2025
msnbot / bingbot interacting with my site's search script
started recently
2 SumGuy 6:18 am Oct 8, 2025
ChatGPT-User
Does it indicate bot or user (human) engagement?
4 SumGuy 5:00 pm Oct 4, 2025
Web hit from Residential ISP or international VPN?
8 SumGuy 4:46 pm Oct 1, 2025
A new UA string?
At least to me it's new
6 mcneely 4:59 am Sep 24, 2025
IbouBot
Something new
7 SumGuy 4:11 pm Sep 22, 2025