172.104.244.71

Classification: Malicious

172.104.244.71 is a malicious IP address. Reported by 6 threat sources, last seen 2026-08-06. Network: AS63949 Linode.

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 2023-08-16 03:00:24 2026-08-06 16:21:55 attacker malicious-activity
Malicious Host CIArmy 2023-08-17 08:24:21 2023-09-10 07:32:46 malicious-activity
Mail Spammer Blocklist.de 2023-08-16 03:06:51 2023-08-17 03:06:20 malicious-activity
IMAP Attacker Blocklist.de 2023-08-16 03:00:24 2023-08-17 02:59:51 malicious-activity
Malicious Host HoneyDB 2023-08-17 00:00:00 2023-08-17 00:00:00 malicious-activity
Mail Spammer Abuseat.org 2023-08-16 03:00:24 2023-08-16 03:00:24
DDoS attack Maltiverse 2023-07-27 08:29:51 2023-08-15 15:33:38 malicious-activity
Bruteforce Maltiverse 2023-07-27 08:29:51 2023-08-15 15:33:38 malicious-activity
Port Scanner Maltiverse 2023-07-30 05:07:02 2023-08-14 07:53:27 anomalous-activity
HTTP Attacker Maltiverse 2023-08-08 23:35:01 2023-08-12 22:26:41 malicious-activity
Malicious Host Maltiverse 2023-07-31 04:28:00 2023-08-11 16:39:20 compromised malicious-activity
Hacking Maltiverse 2023-07-27 09:38:16 2023-08-11 16:39:20 malicious-activity
SSH Attacker Maltiverse 2023-08-10 10:56:41 2023-08-10 10:56:41 malicious-activity
Mail Spammer Maltiverse 2023-07-27 14:17:53 2023-08-09 16:27:45 malicious-activity
IMAP Attacker Maltiverse 2023-08-02 04:07:33 2023-08-09 05:07:08 malicious-activity

Tags

mail spam attacker imap pop3 sasl bot

Whois information

AS name
AS63949 Linode
AS registry
arin
AS date
2015-06-19 00:00:00
AS CIDR
172.104.224.0/19
CIDR
172.104.0.0/15
Registrant
Linode
Address
145 Broadway
City
Frankfurt am Main
State
MA
Postal code
60311
Country
DE — Germany 🇩🇪
Contact email
[email protected], [email protected], [email protected], [email protected]
First indexed
2023-08-16 03:00:24
Last updated
2026-08-06 16:21:56

Malicious IPs in the same CIDR

172.104.240.74 172.104.247.248 172.104.237.140 172.104.243.155 172.104.236.166 172.104.234.47 172.104.235.161 172.104.239.9 172.104.244.71