Check an IP Address, Domain Name, Subnet, or ASN

172.71.151.21 was found in our database!

$ whois 172.71.151.21

country·🇺🇸 United States

isp·Cloudflare, Inc.

asn·AS13335

network·Standard

$ sikker risk 172.71.151.21scoring →

confidence

8%Low

first_seen·Apr 12, 2026

last_seen·1h ago

sessions·3

events·3

$ sikker protocols 172.71.151.21

HTTP

3 / 3

$ sikker summary 172.71.151.21

172.71.151.21 has a threat confidence score of 8%. This IP address from United States (AS13335, Cloudflare, Inc.) has been observed in 3 honeypot sessions targeting HTTP protocols. First observed on April 12, 2026, most recently active April 17, 2026.

$ sikker behaviors 172.71.151.21catalog →

infoHttp Fetch Robots Txt3x

HTTP GET request to /robots.txt.

$ sikker primitives 172.71.151.21

http_method_get3 http_robots_txt_path_probe3

$ sikker related 172.71.151.21

🇺🇸·More threats fromUnited States→AS·More threats fromCloudflare, Inc.→HTTP·More threats targetingHTTP→{ }·Browse allAttack Patterns→

Report IP WHOIS Lookup →

IP Address	Confidence	Events
104.23.213.189	10%	1
172.71.122.63	16%	11
172.69.173.150	9%	1
172.68.87.161	24%	29
172.69.60.174	10%	1

IP Address	Confidence	Events
3.130.168.2	100%	40,955
3.131.220.121	100%	27,768
173.211.98.194	31%	14
154.29.9.25	37%	14
92.118.39.62	100%	393,288