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

221.199.73.159 was found in our database!

$ whois 221.199.73.159

country·🇨🇳 China

isp·CHINA UNICOM China169 Backbone

asn·AS4837

network·Standard

$ sikker risk 221.199.73.159scoring →

confidence

20%Low

first_seen·Feb 26, 2026

last_seen·2h ago

sessions·3

events·3

$ sikker protocols 221.199.73.159

SMTP

1 / 1

MONGODB

1 / 1

POSTGRES

1 / 1

$ sikker summary 221.199.73.159

221.199.73.159 has a threat confidence score of 20%. This IP address from China (AS4837, CHINA UNICOM China169 Backbone) has been observed in 3 honeypot sessions targeting SMTP, MONGODB, POSTGRES protocols. First observed on February 26, 2026, most recently active May 1, 2026.

$ sikker primitives 221.199.73.159

mongodb_ismaster1 mongodb_getnonce_command1

$ sikker related 221.199.73.159

🇨🇳·More threats fromChina→AS·More threats fromCHINA UNICOM China169 Backbone→SMTP·More threats targetingSMTP→MONG·More threats targetingMONGODB→POST·More threats targetingPOSTGRES→{ }·Browse allAttack Patterns→

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