Welcome to the new IP check page! We're rolling it out gradually and would love your input. Spot a bug, or have a suggestion?
Share feedback
2a00:f70:abcd:137:f::21
Activity Trending Down
This IP hasn't received reports recently, which causes the score to decay.
IPv6 SLAAC Note
Public IPv6 addresses may implement the SLAAC
privacy extension. With SLAAC, the interface identifier is randomly generated. SLAAC also implements a
configurable time out, so that the original IPv6 interface addresses will be discarded in favor of a new
interface identifier.
Log in to view charts and search reports for this IP.
Log In
Top Reporter Countries (Last 60 Days)
Example preview
Report Categories (Last 60 Days)
Example preview
Reports Activity
Example preview
Account required for the enhanced features
Log inSign up
IP Abuse Reports for 2a00:f70:abcd:137:f::21:
This IP address has been reported a total of
19
times from
19 distinct
sources.
2a00:f70:abcd:137:f::21 was first reported on
, and the most recent report was
.
In the last 60 days, the top reporter locations were:
Germany
with 6
reports;
France
with 5
reports;
United States of America
with 4
reports.
The most common categories in these recent reports were:
Brute-Force
18
times;
SSH
17
times;
Port Scan
2
times;
Hacking
1
time.
Old Reports
The most recent abuse report for this IP address is from
. It is possible that this IP is no
longer involved in abusive activities.
2026-08-27T06:42:23.724784-03:00 web sshd[20170]: pam_unix(sshd:auth): authentication failure; logna ...
show more2026-08-27T06:42:23.724784-03:00 web sshd[20170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
2026-08-27T06:42:25.701132-03:00 web sshd[20170]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 47082 ssh2
2026-08-27T06:42:25.889889-03:00 web sshd[20170]: Connection closed by invalid user ubuntu 2a00:f70:abcd:137:f::21 port 47082 [preauth]
...
show less
Aug 27 02:28:12 spidey sshd-session[1254573]: pam_unix(sshd:auth): authentication failure; logname= ...
show moreAug 27 02:28:12 spidey sshd-session[1254573]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
Aug 27 02:28:14 spidey sshd-session[1254573]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 43116 ssh2
Aug 27 02:37:19 spidey sshd-session[1255372]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 59842
...
show less
2026-08-27T11:09:57.108650+02:00 hosting.defencegeeks.net sshd-session[1224457]: Invalid user ubuntu ...
show more2026-08-27T11:09:57.108650+02:00 hosting.defencegeeks.net sshd-session[1224457]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 50460
2026-08-27T11:09:57.201497+02:00 hosting.defencegeeks.net sshd-session[1224457]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
2026-08-27T11:09:59.399090+02:00 hosting.defencegeeks.net sshd-session[1224457]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 50460 ssh2
2026-08-27T11:36:19.026626+02:00 hosting.defencegeeks.net sshd-session[1244565]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 46834
2026-08-27T11:36:19.108096+02:00 hosting.defencegeeks.net sshd-session[1244565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
2026-08-27T11:36:20.779159+02:00 hosting.defencegeeks.net sshd-session[1244565]: Failed password for invalid user developer from 2a00:f70:abcd:137:f::21 port 46834
...
show less
2026-08-27T09:18:47.168085+00:00 xenon sshd-session[3414831]: Invalid user ubuntu from 2a00:f70:abcd ...
show more2026-08-27T09:18:47.168085+00:00 xenon sshd-session[3414831]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 43536
2026-08-27T09:18:47.183700+00:00 xenon sshd-session[3414831]: Connection closed by invalid user ubuntu 2a00:f70:abcd:137:f::21 port 43536 [preauth]
2026-08-27T09:30:42.811716+00:00 xenon sshd-session[3430002]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 49060
...
show less
Brute-Force
SSH
Anonymous
2026-08-27T11:20:47.460918+02:00 hosting15 sshd[2093270]: pam_unix(sshd:auth): authentication failur ...
show more2026-08-27T11:20:47.460918+02:00 hosting15 sshd[2093270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
2026-08-27T11:20:49.515775+02:00 hosting15 sshd[2093270]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 53328 ssh2
2026-08-27T11:28:31.638535+02:00 hosting15 sshd[2096556]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 51650
...
show less
2026-08-27T11:25:06.984419+02:00 aligw01.aneirin.net sshd-session[31613]: Invalid user ubuntu from 2 ...
show more2026-08-27T11:25:06.984419+02:00 aligw01.aneirin.net sshd-session[31613]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 51616
2026-08-27T11:25:09.469114+02:00 aligw01.aneirin.net sshd-session[31613]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 51616 ssh2
2026-08-27T11:25:11.168022+02:00 aligw01.aneirin.net sshd-session[31613]: Connection closed by invalid user ubuntu 2a00:f70:abcd:137:f::21 port 51616 [preauth]
...
show less
2026-08-27T04:13:01.265482-05:00 lab.bjmgeek.science sshd-session[2951814]: Invalid user ubuntu from ...
show more2026-08-27T04:13:01.265482-05:00 lab.bjmgeek.science sshd-session[2951814]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 41826
2026-08-27T04:13:01.395656-05:00 lab.bjmgeek.science sshd-session[2951814]: Connection closed by invalid user ubuntu 2a00:f70:abcd:137:f::21 port 41826 [preauth]
2026-08-27T04:24:52.051401-05:00 lab.bjmgeek.science sshd-session[2952324]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 60924
...
show less
Aug 27 11:08:48 [host] sshd[1102572]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 34418
Au ...
show moreAug 27 11:08:48 [host] sshd[1102572]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 34418
Aug 27 11:08:50 [host] sshd[1102572]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 34418 ssh2
Aug 27 11:12:28 [host] sshd[1107767]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 45618
Aug 27 11:12:30 [host] sshd[1107767]: Failed password for invalid user developer from 2a00:f70:abcd:137:f::21 port 45618 ssh2
Aug 27 11:17:57 [host] sshd[1112015]: Invalid user developer from 2a00:f70:abcd:137:f::21 port 56852
Aug 27 11:08:48 [host] sshd[1102572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
Aug 27 11:08:51 [host] sshd[1102572]: Connection closed by invalid user ubuntu 2a00:f70:abcd:137:f::21 port 34418 [preauth]
Aug 27 11:12:28 [host] sshd[1107767]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
Aug 27 11:12:31 [host] ss
show less
2026-08-27T10:57:05.902646+02:00 ns3124905 sshd-session[4094062]: pam_unix(sshd:auth): authenticatio ...
show more2026-08-27T10:57:05.902646+02:00 ns3124905 sshd-session[4094062]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2a00:f70:abcd:137:f::21
2026-08-27T10:57:07.951416+02:00 ns3124905 sshd-session[4094062]: Failed password for invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 40426 ssh2
2026-08-27T11:10:00.885377+02:00 ns3124905 sshd-session[4098293]: Invalid user ubuntu from 2a00:f70:abcd:137:f::21 port 49228
...
show less