121.130.142.9
Classification: Malicious
121.130.142.9 is a malicious IP address in Seongnam-si, KR. 4 sightings from 3 threat sources (Mail Spammer, FTP Attacker), last seen 2026-10-16.
Current activity
- Known attacker — Seen launching attacks over the Internet.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Mail Spammer | Barracuda | 2024-10-20 03:03:03 | 2026-10-16 16:02:21 | attacker malicious-activity | |
| FTP Attacker | Blocklist.de | 2019-09-04 00:35:04 | 2019-09-05 07:00:43 | ||
| FTP Attacker | Blocklist.net.ua | 2019-09-03 07:20:02 | 2019-09-04 00:54:20 |
Tags
abuse attacker ftp bruteforce botWhois information
- AS name
- AS4766 Korea Telecom
- AS registry
- apnic
- AS date
- 2006-04-07 00:00:00
- AS CIDR
- 121.128.0.0/13
- CIDR
- 121.128.0.0/11
- Registrant
- Korea Telecom
- Address
- Jeollanam-do Naju-si Jinheung-gil
- City
- Seongnam-si
- Postal code
- 13332
- Country
- KR — Korea, Republic of 🇰🇷
- Contact email
- [email protected], [email protected]
- First indexed
- 2019-09-03 06:43:02
- Last updated
- 2026-10-16 16:02:23
Malicious IPs in the same CIDR
121.131.174.48 121.132.245.34 121.129.204.41 121.134.149.89 121.128.142.27 121.132.251.50 121.130.134.57 121.128.231.14 121.128.135.73 121.128.144.28 121.132.152.80 121.128.103.44 121.131.104.45 121.130.172.46 121.134.151.223 121.130.142.9 121.135.86.196 121.128.205.162