45.91.23.109

Classification: Malicious

45.91.23.109 is a malicious IP address. Reported by 7 threat sources, last seen 2026-09-01. Network: AS212238 VPN Consumer Montreal, Canada.

Current activity

  • Known attacker — Seen launching attacks over the Internet.
  • VPN node — Provides anonymization that can hide an attacker.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
HTTP Spammer StopForumSpam.com 2022-07-14 05:15:23 2026-09-01 07:07:21 attacker malicious-activity
VPN IPWhois.io 2025-02-08 20:34:06 2026-08-08 07:24:35 anonymization vpn
Suspicious Host AbuseIPDB 2024-07-25 01:07:27 2026-05-31 03:50:49 anomalous-activity
Proxy IPWhois.io 2025-03-15 21:07:27 2025-03-15 21:07:27 anonymization
HTTP Spammer Sblam 2024-12-21 18:15:36 2024-12-21 18:15:36 malicious-activity
Mail Spammer Blocklist.de 2023-05-15 03:55:15 2023-05-22 03:47:33 malicious-activity
IMAP Attacker Blocklist.de 2023-05-15 03:50:19 2023-05-22 03:44:11 malicious-activity
Bruteforce Blocklist.net.ua 2023-05-19 06:30:51 2023-05-19 06:30:51 malicious-activity
Malicious Host HoneyDB 2023-01-11 00:00:00 2023-01-11 00:00:00 malicious-activity

Tags

mail spam attacker imap pop3 sasl bot abuse

Whois information

AS name
AS212238 VPN Consumer Montreal, Canada
AS registry
ripencc
AS date
2019-06-26 00:00:00
AS CIDR
45.91.23.0/24
CIDR
45.91.23.0/24
Registrant
VPN Consumer Montreal, Canada
Address
19701 Clark Graham Ave Baie-D'Urfe Quebec H9X 3T1 Canada
City
Montreal
Postal code
H3A 2B7
Country
CA — Canada 🇨🇦
Contact email
[email protected]
First indexed
2022-07-14 05:15:23
Last updated
2026-09-01 07:09:11

Malicious IPs in the same CIDR

45.91.23.61 45.91.23.148 45.91.23.27 45.91.23.62 45.91.23.16 45.91.23.70 45.91.23.98 45.91.23.77 45.91.23.67 45.91.23.72 45.91.23.71 45.91.23.93 45.91.23.21 45.91.23.86 45.91.23.109 45.91.23.101 45.91.23.2 45.91.23.32 45.91.23.42 45.91.23.30 45.91.23.59 45.91.23.117 45.91.23.134 45.91.23.149 45.91.23.52