This IP was reported 111 times. Confidence of
Abuse
is 24%: ?
24%
Important Note: Public IPv6 addresses may implement the SLAAC
privacy extension. With this, the interface identifier is randomly generated. The SLAAC
privacy extension also implements a time out, which is configurable, so that the IPv6
interface addresses will be discarded and a new interface identifier is generated.
This IP address has been reported a total of
111
times from
25 distinct
sources.
2a02:568:101:214::1:21 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.
2026-08-18T11:00:38.983892+02:00 srv03 postfix/postscreen[540833]: HANGUP after 0.15 from [2a02:568: ...
show more2026-08-18T11:00:38.983892+02:00 srv03 postfix/postscreen[540833]: HANGUP after 0.15 from [2a02:568:101:214::1:21]:59800 in tests after SMTP handshake
2026-08-18T11:00:39.980658+02:00 srv03 postfix/submission/smtpd[540442]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-08-18T11:05:37.479432+02:00 srv03 postfix/smtps/smtpd[541522]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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2026-07-17T20:33:23.490382+02:00 srv03 postfix/submission/smtpd[760367]: lost connection after EHLO ...
show more2026-07-17T20:33:23.490382+02:00 srv03 postfix/submission/smtpd[760367]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-07-17T20:33:24.282145+02:00 srv03 postfix/postscreen[760656]: HANGUP after 0.19 from [2a02:568:101:214::1:21]:53138 in tests after SMTP handshake
2026-07-17T20:38:23.429011+02:00 srv03 postfix/smtps/smtpd[760657]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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2026-07-17T13:32:21.165507+02:00 v2202104133598150667 9275893e7080[1163]: Jul 17 13:32:21 9275893e70 ...
show more2026-07-17T13:32:21.165507+02:00 v2202104133598150667 9275893e7080[1163]: Jul 17 13:32:21 9275893e7080 postfix/submission/smtpd[26339]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-07-17T13:32:24.039885+02:00 v2202104133598150667 9275893e7080[1163]: Jul 17 13:32:24 9275893e7080 postfix/smtpd[26356]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-07-17T13:37:18.407405+02:00 v2202104133598150667 9275893e7080[1163]: Jul 17 13:37:18 9275893e7080 postfix/smtps/smtpd[26341]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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Fail2Ban - \[POSTFIX\]Dropped in one of \{SASL AUTH\},\{RBL\},\{DDOS\(PREGREET\)\},\{TWO MANY ERRORS ...
show moreFail2Ban - \[POSTFIX\]Dropped in one of \{SASL AUTH\},\{RBL\},\{DDOS\(PREGREET\)\},\{TWO MANY ERRORS\},\{ADDRESS REJECTED\}
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2026-05-18T04:46:24.306380+01:00 srv03 postfix/submission/smtpd[532267]: lost connection after EHLO ...
show more2026-05-18T04:46:24.306380+01:00 srv03 postfix/submission/smtpd[532267]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-05-18T04:46:25.643365+01:00 srv03 postfix/postscreen[531911]: HANGUP after 0.19 from [2a02:568:101:214::1:21]:47636 in tests after SMTP handshake
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2026-05-17T16:23:40.779817+01:00 srv03 postfix/postscreen[63222]: HANGUP after 1 from [2a02:568:101: ...
show more2026-05-17T16:23:40.779817+01:00 srv03 postfix/postscreen[63222]: HANGUP after 1 from [2a02:568:101:214::1:21]:47170 in tests after SMTP handshake
2026-05-17T16:23:41.741766+01:00 srv03 postfix/submission/smtpd[63379]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-05-17T16:28:41.672803+01:00 srv03 postfix/smtps/smtpd[63380]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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2026-05-16T08:35:55.322851+01:00 srv03 postfix/submission/smtpd[3428247]: lost connection after EHLO ...
show more2026-05-16T08:35:55.322851+01:00 srv03 postfix/submission/smtpd[3428247]: lost connection after EHLO from crawler.denic.de[2a02:568:101:214::1:21]
2026-05-16T08:35:58.202394+01:00 srv03 postfix/postscreen[3427697]: HANGUP after 1.8 from [2a02:568:101:214::1:21]:34452 in tests after SMTP handshake
2026-05-16T08:40:55.258945+01:00 srv03 postfix/smtps/smtpd[3427913]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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2026-04-18T04:18:07.085138+02:00 srv02 postfix/submission/smtpd[127724]: lost connection after CONNE ...
show more2026-04-18T04:18:07.085138+02:00 srv02 postfix/submission/smtpd[127724]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
2026-04-18T04:18:10.326760+02:00 srv02 postfix/postscreen[127594]: HANGUP after 0.5 from [2a02:568:101:214::1:21]:57596 in tests after SMTP handshake
2026-04-18T04:23:06.739347+02:00 srv02 postfix/smtps/smtpd[127725]: lost connection after CONNECT from crawler.denic.de[2a02:568:101:214::1:21]
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