51.158.206.19

Classification: Malicious

51.158.206.19 is a malicious IP address in Amsterdam, NL. 71 sightings from 6 threat sources (HTTP Spammer, Proxy), last seen 2026-10-15. Seen in US.

Current activity

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

Where it has been seen

Observed by Maltiverse Threat Observatory sensors in US, across education networks.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
HTTP Spammer StopForumSpam.com 2024-10-25 03:44:44 2026-10-15 11:03:58 malicious-activity
VPN IPWhois.io 2026-04-24 15:45:35 2026-10-14 04:55:17 anonymization vpn
DDoS Attacker Blocklist.net.ua 2026-10-13 16:01:34 2026-10-13 16:01:34 attacker malicious-activity
Suspicious Host AbuseIPDB 2026-05-05 17:54:38 2026-05-05 17:54:38 anomalous-activity
VPN PublicVpnConfigs Maltiverse Threat Observatory 2026-03-10 08:00:44 2026-03-16 08:00:44 country_code:us industry:education-and-nonprofits
Proxy FireHOL 2025-06-16 00:23:25 2025-06-29 21:27:02 anonymization
Proxy IPWhois.io 2025-06-16 01:18:35 2025-06-16 01:18:35 anonymization

Tags

bot abuse anonymization port:1194 port:51820 port:992 port:5555 port:500 port:4500 port:1701 port:1723

Whois information

AS name
AS12876 Scaleway - Amsterdam, Netherlands
AS registry
ripencc
AS date
1993-09-01 00:00:00
AS CIDR
51.158.128.0/17
Registrant
Scaleway - Amsterdam, Netherlands
City
Amsterdam
Postal code
1012
Country
NL — Netherlands 🇳🇱
First indexed
2024-10-25 03:44:44
Last updated
2026-10-15 11:03:59

Malicious IPs in the same CIDR

51.158.253.21 51.158.204.81 51.158.206.86 51.158.202.220 51.158.202.242 51.158.206.103 51.158.202.249 51.158.205.203 51.158.202.236 51.158.205.47 51.158.202.200 51.158.205.244 51.158.206.8 51.158.204.204 51.158.206.12 51.158.206.20 51.158.202.250 51.158.206.87 51.158.214.101 51.158.187.109 51.158.170.105 51.158.160.128 51.158.206.19 51.158.204.60 51.158.206.96