Resources > Crawlers list > anthropic bot

logo anthropic bot

ID: 157275
ProducerAnthropic PBC External link
Bot URL
StatusActive Active

Known variants

ClaudeBot/1.0

UseragentstringMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
CategoryAI crawler
First seen2024-04-19 04:48:27
Last seen2025-12-05 07:22:19
IP addresses7,274
Walk from
216.73.216.159216.73.216.159US
216.73.216.36?US
216.73.216.147?US
216.73.216.169?US
216.73.216.52?US
216.73.216.121216.73.216.121US
216.73.216.103216.73.216.103US
216.73.216.97?US
216.73.216.155?US
216.73.216.153?US

 
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Claude-User/1.0

UseragentstringMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-User/1.0; +Claude-User@anthropic.com)
CategoryAI crawler
First seen2025-04-18 21:36:26
Last seen2025-12-04 19:48:27
IP addresses39
Walk from
34.34.241.154?US
34.34.241.103?US
34.34.241.35?US
34.34.241.38?US
34.34.241.42?US
34.34.241.63?US
34.34.241.138?US
34.34.241.41?US
34.34.241.58?US
34.34.241.25?US

 
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ClaudeBot/1.0

UseragentstringMozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; ClaudeBot/1.0; +claudebot@anthropic.com)
CategoryAI crawler
First seen2024-12-13 00:58:14
Last seen2025-12-04 06:16:59
IP addresses1,168
Walk from
3.15.192.28ec2-3-15-192-28.us-east-2.compute.amazonaws.comUS
3.143.143.70ec2-3-143-143-70.us-east-2.compute.amazonaws.comUS
3.129.245.67ec2-3-129-245-67.us-east-2.compute.amazonaws.comUS
18.191.66.34ec2-18-191-66-34.us-east-2.compute.amazonaws.comUS
18.216.88.19ec2-18-216-88-19.us-east-2.compute.amazonaws.comUS
3.15.199.174ec2-3-15-199-174.us-east-2.compute.amazonaws.comUS
3.17.140.106ec2-3-17-140-106.us-east-2.compute.amazonaws.comUS
13.58.179.228ec2-13-58-179-228.us-east-2.compute.amazonaws.comUS
18.221.109.200ec2-18-221-109-200.us-east-2.compute.amazonaws.comUS
3.141.13.222ec2-3-141-13-222.us-east-2.compute.amazonaws.comUS

 
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ClaudeBot/1.0

UseragentstringMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +ClaudeBot@anthropic.com)
CategoryAI crawler
First seen2025-04-19 06:35:08
Last seen2025-11-11 15:25:24
IP addresses2
Walk from
34.34.241.136?US
34.34.241.93?US
 

Claude-SearchBot/1.0

UseragentstringMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-SearchBot/1.0; +Claude-SearchBot@anthropic.com)
CategoryAI crawler
First seen2025-04-06 23:25:06
Last seen2025-04-09 15:34:28
IP addresses33
Walk from
2600:1900:0:3d01::a002600:1900:0:3d01::a00US
2600:1900:0:3d00::4002600:1900:0:3d00::400US
2600:1900:0:3d01::12600:1900:0:3d01::1US
2600:1900:0:3d02::2012600:1900:0:3d02::201US
2600:1900:0:3d01::e002600:1900:0:3d01::e00US
2600:1900:0:3d00::d002600:1900:0:3d00::d00US
2600:1900:0:3d02::f012600:1900:0:3d02::f01US
2600:1900:0:3d02::e012600:1900:0:3d02::e01US
2600:1900:0:3d02::8012600:1900:0:3d02::801US
34.34.241.15?US

 
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Claude-Web/1.0

UseragentstringClaude-Web/1.0 (web crawler; +https://www.anthropic.com/; bots@anthropic.com)
CategoryAI crawler
First seen2024-02-15 07:05:13
Last seen2024-07-12 21:14:42
IP addresses23
Walk from
2600:1900:2000:aa::1:1600ipv6.gae.googleusercontent.comUS
2600:1900:2000:a9::1:1900ipv6.gae.googleusercontent.comUS
2600:1900:2000:ab::1:1b00ipv6.gae.googleusercontent.comUS
2600:1900:2000:d1::1:201ipv6.gae.googleusercontent.comUS
2600:1900:2000:ab::1:700ipv6.gae.googleusercontent.comUS
2600:1900:2000:a9::1:100ipv6.gae.googleusercontent.comUS
2600:1900:2000:ac::1:1a00ipv6.gae.googleusercontent.comUS
2600:1900:2000:ab::1:1a01ipv6.gae.googleusercontent.comUS
2600:1900:2000:ab::1:f01ipv6.gae.googleusercontent.comUS
2600:1900:2000:a8::1:1300ipv6.gae.googleusercontent.comUS

 
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ClaudeBot

UseragentstringClaudeBot
CategoryAI crawler
Respects robots.txtNo
First seen2023-11-03 17:35:05
Last seen2024-05-07 14:46:50
IP addresses23,997
Walk from
90.77.62.3737.pool90-77-62.dynamic.orange.es ES
3.16.218.62ec2-3-16-218-62.us-east-2.compute.amazonaws.comUS
18.224.53.202ec2-18-224-53-202.us-east-2.compute.amazonaws.comUS
18.224.32.86ec2-18-224-32-86.us-east-2.compute.amazonaws.comUS
3.149.233.72ec2-3-149-233-72.us-east-2.compute.amazonaws.comUS
18.116.85.72ec2-18-116-85-72.us-east-2.compute.amazonaws.comUS
18.191.254.106ec2-18-191-254-106.us-east-2.compute.amazonaws.comUS
3.149.239.110ec2-3-149-239-110.us-east-2.compute.amazonaws.comUS
3.141.0.61ec2-3-141-0-61.us-east-2.compute.amazonaws.comUS
18.118.0.240ec2-18-118-0-240.us-east-2.compute.amazonaws.comUS

 
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ClaudeBot/1.0

UseragentstringMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +support@anthropic.com)
CategoryAI crawler
First seen2024-04-19 04:40:35
Last seen2024-04-19 05:54:31
IP addresses159
Walk from
18.117.158.47ec2-18-117-158-47.us-east-2.compute.amazonaws.comUS
18.117.152.251ec2-18-117-152-251.us-east-2.compute.amazonaws.comUS
18.227.161.132ec2-18-227-161-132.us-east-2.compute.amazonaws.comUS
3.143.168.172ec2-3-143-168-172.us-east-2.compute.amazonaws.comUS
18.224.68.109ec2-18-224-68-109.us-east-2.compute.amazonaws.comUS
13.58.39.23ec2-13-58-39-23.us-east-2.compute.amazonaws.comUS
18.217.60.35ec2-18-217-60-35.us-east-2.compute.amazonaws.comUS
3.144.109.5ec2-3-144-109-5.us-east-2.compute.amazonaws.comUS
18.191.132.194ec2-18-191-132-194.us-east-2.compute.amazonaws.comUS
18.219.63.90ec2-18-219-63-90.us-east-2.compute.amazonaws.comUS

 
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claudebot

Useragentstringclaudebot
CategoryAI crawler
First seen2024-02-12 09:26:06
Last seen2024-04-19 05:30:14
IP addresses1,877
Walk from
18.226.187.24ec2-18-226-187-24.us-east-2.compute.amazonaws.comUS
18.221.129.145ec2-18-221-129-145.us-east-2.compute.amazonaws.comUS
18.224.0.25ec2-18-224-0-25.us-east-2.compute.amazonaws.comUS
3.145.130.31ec2-3-145-130-31.us-east-2.compute.amazonaws.comUS
52.14.221.113ec2-52-14-221-113.us-east-2.compute.amazonaws.comUS
3.128.198.21ec2-3-128-198-21.us-east-2.compute.amazonaws.comUS
3.142.197.212ec2-3-142-197-212.us-east-2.compute.amazonaws.comUS
3.144.26.83ec2-3-144-26-83.us-east-2.compute.amazonaws.comUS
18.189.180.76ec2-18-189-180-76.us-east-2.compute.amazonaws.comUS
18.118.184.237ec2-18-118-184-237.us-east-2.compute.amazonaws.comUS

 
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anthropic-ai

Useragentstringanthropic-ai
CategoryAI crawler
First seen2023-05-18 09:36:57
Last seen2023-10-11 15:43:57
IP addresses85
Walk from
37.234.214.94netacc-gpn-34-214-94.pool.yettel.hu HU
54.227.16.73ec2-54-227-16-73.compute-1.amazonaws.comUS
54.175.115.120ec2-54-175-115-120.compute-1.amazonaws.comUS
52.90.153.139ec2-52-90-153-139.compute-1.amazonaws.comUS
54.242.107.17ec2-54-242-107-17.compute-1.amazonaws.comUS
44.202.72.130ec2-44-202-72-130.compute-1.amazonaws.comUS
44.192.77.48ec2-44-192-77-48.compute-1.amazonaws.comUS
54.82.219.235ec2-54-82-219-235.compute-1.amazonaws.comUS
34.228.24.228ec2-34-228-24-228.compute-1.amazonaws.comUS
44.197.178.213ec2-44-197-178-213.compute-1.amazonaws.comUS

 
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Among our clients
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 salesforce.com, inc.  
 MailChimp  
 Dailymotion SA  
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