104.168.137.3
Classification: Malicious
104.168.137.3 is a malicious IP address in Seattle, US. 3 sightings from Barracuda (Mail Spammer), last seen 2026-10-17. Network: AS54290 HostPapa.
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 | 2025-01-22 15:10:41 | 2026-10-17 07:14:57 | attacker malicious-activity |
Whois information
- AS name
- AS54290 HostPapa
- AS registry
- arin
- AS date
- 2014-09-03 00:00:00
- AS CIDR
- 104.168.128.0/17
- CIDR
- 104.168.128.0/17
- Registrant
- HostPapa
- Address
- 12101 Tukwila International Blvd, 3rd Floor, Suite 320
- City
- Seattle
- State
- WA
- Postal code
- 98190
- Country
- US — United States 🇺🇸
- Contact email
- [email protected], [email protected]
- First indexed
- 2025-01-22 15:10:39
- Last updated
- 2026-10-17 07:14:58
Malicious IPs in the same CIDR
104.168.140.86 104.168.132.113 104.168.173.48 104.168.134.55 104.168.158.41 104.168.141.88 104.168.146.52 104.168.173.29 104.168.141.28 104.168.148.37 104.168.141.89 104.168.137.71 104.168.198.16 104.168.165.91 104.168.169.62 104.168.136.28 104.168.135.11 104.168.236.50 104.168.144.48 104.168.136.93 104.168.141.82 104.168.148.40 104.168.173.24 104.168.137.3 104.168.146.65