This IP address has been reported a total of
6
times from
6 distinct
sources.
171.6.20.213 was first reported on
, and the most recent report was
.
Recent Reports:
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
(smtpauth) Failed SMTP AUTH login from 171.6.20.213 (TH/Thailand/mx-ll-171.6.20-213.dynamic.3bb.co.t ...
show more(smtpauth) Failed SMTP AUTH login from 171.6.20.213 (TH/Thailand/mx-ll-171.6.20-213.dynamic.3bb.co.th): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-30 04:38:52 dovecot_plain authenticator failed for H=(ABC-ARM) [171.6.20.213]:21032: 535 Incorrect authentication data
2026-04-30 04:39:01 SMTP call from [171.6.20.213]:53968 dropped: too many syntax or protocol errors (last command was "?\034?\032?\027?\031?\034?\033?\030?\032?\026?\016?\r?\v?\f?\t?", NULL)
2026-04-30 04:39:03 dovecot_plain authenticator failed for H=(ABC-ARM) [171.6.20.213]:21690: 535 Incorrect authentication data
2026-04-30 04:42:15 dovecot_plain authenticator failed for H=(ABC-ARM) [171.6.20.213]:63719: 535 Incorrect authentication data ([email protected])
2026-04-30 04:42:22 dovecot_plain authenticator failed for H=(ABC-ARM) [171.6.20.213]:64084: 535 Incorrect authentication data (set_id=522)
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