121.128.103.44
Classification: Malicious
121.128.103.44 is a malicious IP address in Seoul, KR. 11 sightings from 7 threat sources (Malicious Host, Mail Spammer), 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 | 2020-08-02 05:26:03 | 2026-10-17 15:01:10 | attacker malicious-activity | |
| Malicious Host | HoneyDB | 2020-08-01 00:00:00 | 2024-01-01 00:00:00 | malicious-activity | |
| Malicious Host | CIArmy | 2020-08-28 11:18:46 | 2023-12-24 08:26:54 | malicious-activity | |
| HTTP Attacker | Blocklist.de | 2021-12-08 01:49:08 | 2021-12-09 04:44:45 | malicious-activity | |
| Malware Download | Abuse.ch | 2021-07-27 08:02:07 | 2021-07-27 08:02:07 | malicious-activity | |
| Malicious Host | Alienvault Ip Reputation Database | 2020-10-16 00:04:00 | 2020-11-05 06:37:45 | ||
| Mail Spammer | Abuseat.org | 2020-08-02 05:26:03 | 2020-08-02 05:26:03 |
Tags
apache ddos rfi attacker elfWhois 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
- 2020-08-02 05:26:02
- Last updated
- 2026-10-17 15:01:11
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