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121.75.154.166

Recent Activity

Abuse confidence score ?

5% Caution

52 reports

1 reporter · latest 2 days ago

ISP	One New Zealand Group Limited
Usage Type	Fixed Line ISP
ASN	AS9500
Domain Name	one.nz
Country	🇳🇿 New Zealand
City	Auckland, Auckland

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IP Abuse Reports for 121.75.154.166

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This IP address has been reported a total of 52 times from 1 distinct source. 121.75.154.166 was first reported on November 19th 2025, and the most recent report was 2 days ago. In the last 60 days, the only reporter location was: United States of America with 13 reports. The most common categories in these recent reports were: SSH 13 times; Brute-Force 13 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇺🇸 bigscoots.com	2026-10-10 23:50:08 (2 days ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-09 22:39:07 (3 days ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-08 22:25:08 (4 days ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-07 22:02:27 (5 days ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-06 06:04:39 (6 days ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-05 05:59:57 (1 week ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-04 05:56:30 (1 week ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-10-01 14:55:39 (1 week ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-30 14:37:26 (1 week ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-29 14:19:05 (1 week ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-28 13:20:40 (2 weeks ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-27 10:49:45 (2 weeks ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-09-26 10:04:29 (2 weeks ago)	(PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp bl ... show more (PERMBLOCK) 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-06-12 07:19:17 (4 months ago)	(smtpauth) Failed SMTP AUTH login from 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz): ... show more (smtpauth) Failed SMTP AUTH login from 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-12 02:24:00 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:49611: 535 Incorrect authentication data (set_id=megan) 2026-06-12 02:48:58 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:49650: 535 Incorrect authentication data (set_id=megan) 2026-06-12 03:03:13 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:49708: 535 Incorrect authentication data (set_id=megan) 2026-06-12 03:07:51 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:49746: 535 Incorrect authentication data (set_id=megan) 2026-06-12 03:19:12 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:49756: 535 Incorrect authentication data (set_id=megan) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-03-25 06:00:56 (6 months ago)	(smtpauth) Failed SMTP AUTH login from 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz): ... show more (smtpauth) Failed SMTP AUTH login from 121.75.154.166 (NZ/New Zealand/121-75-154-166.dyn.vf.net.nz): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-25 01:09:05 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:56986: 535 Incorrect authentication data (set_id=megan) 2026-03-25 01:54:36 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:57304: 535 Incorrect authentication data (set_id=megan) 2026-03-25 01:57:27 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:57307: 535 Incorrect authentication data (set_id=megan) 2026-03-25 01:58:30 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:57310: 535 Incorrect authentication data (set_id=megan) 2026-03-25 02:00:51 dovecot_plain authenticator failed for H=(smtpclient.apple) [121.75.154.166]:57318: 535 Incorrect authentication data (set_id=megan) show less	Brute-Force SSH

Showing 1 to 15 of 52 reports

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