Indonesian authorities have detained 321 foreign nationals in Jakarta in a large-scale operation targeting an alleged online gambling network, marking one of the country’s most extensive actions against illegal digital betting in recent years. The arrests took place at an office building used as a hub for multiple online gambling platforms, as officials continue efforts to disrupt cross-border cybercrime activities.

The group included individuals from several countries, with Vietnamese nationals forming the largest share. Authorities reported that 228 detainees were from Vietnam, alongside 57 from China, 13 from Myanmar, 11 from Laos, five from Thailand, and three each from Cambodia and Malaysia. Investigators said the suspects had been operating the gambling network for roughly two months before the raid.

Organized Operation Behind Dozens of Gambling Sites

Law enforcement officials stated that the operation was structured, with individuals assigned to specific roles within the network. These roles included customer service, telemarketing, and financial administration, indicating a coordinated setup rather than isolated activity.

“We arrested the suspects in the act while they were carrying out activities related to online gambling,” said Wira Satya Triputra, director of general crimes at the Indonesian National Police.

Authorities believe the group was linked to more than 70 online gambling websites, with estimates suggesting the network managed at least 75 platforms targeting players outside Indonesia. Digital records and marketing materials recovered during the investigation pointed to an international customer base rather than domestic users.

Police seized a range of items during the raid, including cash in multiple currencies, computers, mobile devices, and passports. These materials are being examined as part of ongoing efforts to identify organizers and financial backers connected to the network.

Out of the 321 individuals detained, 275 have been formally named as suspects. Those charged face potential penalties under Indonesia’s criminal code, including prison sentences of up to nine years. Authorities also cited possible immigration violations, as many suspects reportedly entered the country on short-term visas and remained beyond their permitted stay.

Investigators indicated that the case could expand further as they trace financial flows and connections to broader criminal groups. Officials have not ruled out additional arrests linked to the same network.

Indonesia prohibits all forms of online gambling, and enforcement agencies have increased monitoring efforts in response to concerns about fraud, money laundering, and other illicit activities associated with digital betting operations.

Regional Trends and Growing Enforcement Activity

The Jakarta raid follows a series of similar actions across the country, highlighting what officials describe as a shift in transnational cybercrime operations. Authorities reported that online gambling networks and related scams have been uncovered in multiple locations, including Surabaya, Bali, and Batam.

As reported by Reuters, Untung Widyatmoko, secretary of Indonesia’s Interpol bureau, said law enforcement agencies are observing changes in how these networks operate geographically.

“After enforcement measures in Cambodia, we started to see a shift toward Indonesia, and that was something we anticipated,” Widyatmoko said.

The Jakarta arrests came shortly after another operation in Batam, where 210 foreign nationals were detained in connection with an alleged online investment scam. Additional cases involving cross-border fraud have also been reported in recent months, further underlining the scale of the issue.

Authorities noted that many of these networks rely on foreign workers to manage customer interactions and technical operations, often relocating to different jurisdictions to avoid detection. This mobility has increased the need for coordination between domestic agencies and international partners.

Officials emphasized that dismantling illegal gambling networks remains a priority, particularly given the risks associated with unregulated platforms. These risks include exposure to financial crime and the absence of consumer protections.

Indonesia’s status as the world’s largest Muslim-majority nation reinforces its strict stance on gambling, with authorities maintaining a zero-tolerance policy toward online betting activities. The recent enforcement actions reflect a broader campaign to disrupt both operators and the infrastructure supporting them.

Police confirmed that investigations remain ongoing and that further developments are expected as authorities continue to examine the evidence collected during the raid.