104.43.200.55

Classification: Whitelisted

104.43.200.55 is a whitelisted (trusted) IP address. Reported by 6 threat sources, last seen 2026-09-03. Network: AS8075 Microsoft Corporation.

Current activity

  • Known attacker β€” Seen launching attacks over the Internet.
  • Open proxy β€” Provides anonymization that can hide an attacker.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
Matched whitelist source: Microsoft_asn Maltiverse 2026-09-03 01:09:05 2026-09-03 01:09:05 benign
Proxy IPWhois.io 2025-02-08 01:11:37 2026-09-03 01:09:04 anonymization proxy
DDoS Attacker Blocklist.net.ua 2026-04-15 12:35:20 2026-08-28 16:27:57 attacker malicious-activity
Suspicious Host AbuseIPDB 2024-09-27 01:41:52 2026-04-15 10:10:35 anomalous-activity
Bruteforce Blocklist.net.ua 2024-11-05 16:23:37 2025-11-04 12:23:10 malicious-activity
Proxy FireHOL 2024-12-27 06:44:29 2025-10-06 23:12:41 anonymization
Malicious Host AbuseIPDB 2024-09-27 18:43:14 2025-07-06 22:40:04 compromised malicious-activity
Port Scanner AbuseIPDB 2024-09-27 18:43:14 2025-02-07 23:51:42 anomalous-activity
Bruteforce AbuseIPDB 2024-09-25 15:01:02 2025-01-15 20:52:03 malicious-activity
IMAP Attacker Blocklist.de 2024-09-28 09:29:33 2025-01-15 12:04:18 malicious-activity
Mail Spammer Blocklist.de 2024-09-28 09:50:36 2025-01-14 12:09:58 malicious-activity
SSH Attacker AbuseIPDB 2024-09-26 00:55:27 2025-01-13 09:18:28 malicious-activity
IMAP Attacker AbuseIPDB 2024-09-29 19:59:17 2025-01-13 03:54:56 malicious-activity
Mail Spammer AbuseIPDB 2024-09-26 06:26:20 2025-01-13 03:54:56 malicious-activity
HTTP Attacker AbuseIPDB 2024-09-27 15:30:22 2025-01-13 02:06:00 malicious-activity
DDoS attack AbuseIPDB 2024-10-03 15:46:32 2025-01-11 16:07:08 malicious-activity
Hacking AbuseIPDB 2024-09-25 15:01:02 2025-01-11 13:26:10 malicious-activity
Phishing AbuseIPDB 2024-09-29 19:59:17 2025-01-10 17:17:04 malicious-activity
HTTP Scrapper AbuseIPDB 2024-09-29 19:59:17 2024-11-24 01:59:28 anomalous-activity

Tags

attacker imap pop3 sasl bot mail spam abuse anonymization

Whois information

AS name
AS8075 Microsoft Corporation
AS registry
arin
AS date
2014-05-07 00:00:00
AS CIDR
104.40.0.0/13
CIDR
104.40.0.0/13
Registrant
Microsoft Corporation
Address
One Microsoft Way
City
Des Moines
State
IA
Postal code
50316
Country
US β€” United States πŸ‡ΊπŸ‡Έ
Contact email
[email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
First indexed
2024-09-27 04:51:01
Last updated
2026-09-03 01:09:05