AhrefsBot

Fully verifiable

Ahrefs' primary web crawler, powering the backlink and keyword database behind the Ahrefs SEO platform and the Yep search engine. Crawls from publicly published IP ranges with a matching reverse-DNS suffix.

Operated by Ahrefs · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexAhrefsBot/\d
observedMozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)

How to verify

Fetch the official IP range feed

curl -s https://api.ahrefs.com/v3/public/crawler-ip-ranges

IP ranges (81)

Refreshed daily from the operator's feed. Also available as /data/ips/ahrefsbot.ips and /data/bots/ahrefsbot.json.

142.44.220.0/24
142.44.225.0/24
142.44.228.0/24
142.44.233.0/24
148.113.128.0/24
148.113.130.0/24
15.235.27.0/24
15.235.96.0/24
15.235.98.0/24
167.114.139.0/24
168.100.149.0/24
176.31.139.0/27
198.244.168.0/24
198.244.183.0/24
198.244.186.193/32
198.244.186.194/31
198.244.186.196/30
198.244.186.200/31
198.244.186.202/32
198.244.226.0/24
198.244.240.0/24
198.244.242.0/24
202.8.40.0/22
202.94.84.110/31
202.94.84.112/31
37.59.204.128/27
5.39.1.224/27
5.39.109.160/27
51.161.37.0/24
51.161.65.0/24
51.195.183.0/24
51.195.215.0/24
51.195.244.0/24
51.222.168.0/24
51.222.253.0/26
51.222.95.0/24
51.68.247.192/27
51.75.236.128/27
51.81.103.240/28
51.81.104.32/28
51.81.105.16/28
51.81.110.16/28
51.81.110.48/28
51.81.110.80/28
51.81.111.0/28
51.81.111.112/28
51.81.111.128/28
51.81.111.64/28
51.81.163.16/28
51.81.163.48/28
51.81.163.64/28
51.81.164.144/28
51.81.164.192/28
51.81.165.208/28
51.81.165.80/28
51.81.169.112/28
51.81.169.192/28
51.81.170.0/28
51.89.129.0/24
51.89.38.128/28
51.89.39.48/28
51.89.59.32/28
51.89.69.32/28
51.89.69.96/28
51.89.71.144/28
51.89.71.80/28
51.89.72.0/28
51.89.74.192/28
51.89.83.48/28
54.36.148.0/23
54.37.118.64/27
54.38.147.0/24
54.39.0.0/24
54.39.136.0/24
54.39.203.0/24
54.39.210.0/24
54.39.6.0/24
54.39.89.0/24
92.222.104.192/27
92.222.108.96/27
94.23.188.192/27

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Fully verifiable
Respects robots.txt
Honors robots.txt (token: AhrefsBot)
Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
Reachable operator
Operator and documentation published

Measured against the Good Bot Practices.