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

77.83.39.51 was found in our database!

$ whois 77.83.39.51

country·🇺🇦 Ukraine

isp·Kprohost LLC

asn·AS214940

network·Standard

$ sikker risk 77.83.39.51scoring →

confidence

52%Medium

first_seen·Feb 13, 2026

last_seen·10h ago

sessions·17

events·17

$ sikker protocols 77.83.39.51

SMTP

17 / 17

$ sikker summary 77.83.39.51

77.83.39.51 has a threat confidence score of 52%. This IP address from Ukraine (AS214940, Kprohost LLC) has been observed in 17 honeypot sessions targeting SMTP protocols. First observed on February 13, 2026, most recently active April 1, 2026.

$ sikker primitives 77.83.39.51

smtp_rcpt_to_recipient_declaration34 smtp_data_message_submission12 smtp_mail_from_envelope_sender12 smtp_ehlo_greeting11 smtp_rset_session_reset9 smtp_helo_greeting4 smtp_quit_session_termination4 smtp_body_localip_probe_marker4

$ sikker related 77.83.39.51

🇺🇦·More threats fromUkraine→AS·More threats fromKprohost LLC→SMTP·More threats targetingSMTP→{ }·Browse allAttack Patterns→

Report IP WHOIS Lookup →

IP Address	Confidence	Events
45.144.212.92	34%	2
77.83.39.162	100%	1,971
45.144.212.97	100%	601
45.144.212.59	46%	4
45.144.212.27	28%	1

IP Address	Confidence	Events
45.12.1.49	84%	48
77.83.36.43	66%	166
185.156.73.157	97%	6,211
45.12.1.19	87%	9,422
176.105.206.8	20%	48