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104.129.55.3

104.129.55.3 is an IP address that 2 published sources report in connection with IT Worker Fraud activity, which public reporting attributes to North Korea (DPRK). It is cited here from Google Threat Intelligence Group and Spur. The earliest of those reports is dated 2024-09-23 and the most recent 2024-12-19.

ip address IT Worker Fraud MATCHED IN SOURCE

First seen 2024-09-23 · last seen 2024-12-19

Network

Looked up 2026-09-21 at ip-api.com. This address is on Spur’s list of Astrill VPN exits. It names the VPN, not the user.

Sources

• …ASN NetBlock Service Location 103.244.174.154 9541 Cybernet (PK) 104.129.55.3 8100 QuadraNet (US) 104.206.40.138 62904 Eonix Corporation AstrillVPN…

  Staying a Step Ahead: Mitigating the DPRK IT Worker Threat | Google Cloud Blog — Google Threat Intelligence Group · under “Network IOCs” · published 2024-09-23 · pulled 2026-09-01

• These are the exit addresses of a commercial VPN service with customers everywhere. An address on this list says that a connection came through Astrill, which DPRK IT workers are documented to favour; it does not say who was behind the connection, and the great majority of traffic through these exits is ordinary customers. Treat a match as a reason to look at the account behind it, not as evidence about the person. The list is a snapshot of the addresses active on 19 December 2024; VPN exits are reassigned over time, so an address here may since have been returned to its hosting provider and given to someone else. The list is Spur's and is carried here as published.

  Astrill VPN and DPRK Remote Worker Fraud — Spur · published 2024-12-19 · pulled 2026-10-26

Find this indicator in the index, or see every IP address this site holds under IP addresses in the browse listing.

Related indicators

Cited by the same report: Staying a Step Ahead: Mitigating the DPRK IT Worker Threat | Google Cloud Blog

Google Threat Intelligence Group lists 49 other indicators in this source. 7 are shown, chosen across types.

• 104.206.40.138 IP address
• 104.223.97.2 IP address
• 104.223.98.2 IP address
• 104.243.33.74 IP address
• 104.250.148.58 IP address
• 109.82.113.75 IP address
• 113.227.237.46 IP address

All 50 indicators from this source

Cited by the same report: Astrill VPN and DPRK Remote Worker Fraud

Spur lists 2,366 other indicators in this source. 5 are shown, chosen across types.

• 104.129.55.49 IP address
• 104.129.55.5 IP address
• 104.129.55.7 IP address
• 104.140.119.1 IP address
• 104.140.119.10 IP address

All 2,367 indicators from this source