121.128.231.14
Classification: Malicious
121.128.231.14 is a malicious IP address in Seoul, KR. 10 sightings from 4 threat sources (Mail Spammer, Malicious Host), last seen 2026-10-17.
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 | 2023-04-14 01:38:38 | 2026-10-17 16:51:24 | attacker malicious-activity | |
| Malicious Host | HoneyDB | 2023-04-13 00:00:00 | 2023-11-13 00:00:00 | malicious-activity | |
| Mail Spammer | Abuseat.org | 2023-04-14 01:38:38 | 2023-04-14 01:38:38 | ||
| Port Scanner | Maltiverse | 2023-02-02 02:01:45 | 2023-04-14 01:24:40 | anomalous-activity | |
| Hacking | Maltiverse | 2023-02-02 02:01:45 | 2023-04-14 01:24:40 | malicious-activity | |
| SSH Attacker | Maltiverse | 2023-04-10 05:19:13 | 2023-04-13 22:36:20 | malicious-activity | |
| HTTP Scrapper | Maltiverse | 2023-04-13 13:52:04 | 2023-04-13 13:52:04 | anomalous-activity | |
| HTTP Attacker | Maltiverse | 2023-04-13 13:52:04 | 2023-04-13 13:52:04 | malicious-activity | |
| Bruteforce | Maltiverse | 2023-04-09 01:22:52 | 2023-04-12 03:55:38 | malicious-activity |
Whois 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
- Seoul
- Postal code
- 04524
- Country
- KR — Korea, Republic of 🇰🇷
- Contact email
- [email protected], [email protected]
- First indexed
- 2023-04-14 01:38:36
- Last updated
- 2026-10-17 16:51:24
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