136.243.33.99

Classification: Malicious

136.243.33.99 is a malicious IP address. Reported by 6 threat sources, last seen 2026-08-27. Network: AS24940 Hetzner Online GmbH.

Current activity

  • Known attacker — Seen launching attacks over the Internet.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
SSH Attacker Blocklist.de 2026-08-27 14:00:15 2026-08-27 14:00:15 attacker malicious-activity
Malicious Host HoneyDB 2026-08-26 00:00:00 2026-08-27 00:00:00 attacker malicious-activity
HTTP Spammer Botscout 2019-09-27 00:57:40 2019-09-27 00:57:40
HTTP Spammer Sblam 2019-08-28 09:22:10 2019-08-28 09:22:10
HTTP Spammer StopForumSpam.com 2019-08-28 02:58:24 2019-08-28 02:58:24
HTTP Spammer Cleantalk.org 2019-08-27 01:08:10 2019-08-27 01:08:10

Tags

abuse bot ssh bruteforce

Whois information

AS name
AS24940 Hetzner Online GmbH
AS registry
ripencc
AS date
2004-04-14 00:00:00
AS CIDR
136.243.0.0/16
Country
DE — Germany 🇩🇪
First indexed
2019-08-27 01:08:10
Last updated
2026-09-01 22:01:14

Malicious IPs in the same CIDR

136.243.3.194 136.243.154.74 136.243.176.179 136.243.174.159 136.243.92.194 136.243.61.201 136.243.220.212 136.243.147.89 136.243.153.169 136.243.33.99 136.243.89.124 136.243.228.195 136.243.176.148 136.243.127.58 136.243.176.156 136.243.228.181 136.243.220.213 136.243.176.166 136.243.228.180 136.243.220.209