Jasmine Broadband Internet Infrastructure Fund (3BBIF, formerly JASIF.BK), a closed-end infrastructure fund established in 2015 and listed on the Stock Exchange of Thailand, owns and leases optical fiber cables (OFCs) totaling 1,680,500 core kilometers nationwide across Thailand, with approximately 30% concentrated in Bangkok and the remainder in provincial areas; these assets support telecommunications backbone infrastructure, high-speed broadband internet, VoIP, IPTV services, and data networking applications. The fund generates stable rental income primarily from Triple T Broadband Public Company Limited (TTTBB), its sole initial tenant, under an amended and restated main lease agreement expiring December 31, 2038, with rental rates starting at THB 433.21 per core kilometer per month (VAT excluded) and adjusted annually based on Thailand's Consumer Price Index with a cap of 3% increase and no less than 0%; secondary OFCs are available for third-party leasing, backed by rental assurances from TTTBB during non-leased periods. Headquartered in Thailand and sponsored originally by Jasmine International Public Company Limited (JAS), which holds a reduced stake of around 23.5% after share sales, the fund rebranded to 3BB Internet Infrastructure Fund (3BBIF) effective February 27, 2024, aligning with ownership shifts following Advanced Info Service Public Company Limited's (AIS) subsidiary Advanced Wireless Network (AWN) completion of TTTBB acquisition and a 19% stake in the fund in November 2023 for THB 32.4 billion. Recent strategic changes include unitholder approval in August 2023 of lease amendments extending terms from 2032 to 2038, lowering near-term dividends but ensuring long-term stability amid ADVANC's stronger financial position as indirect sponsor; additional OFC injections of 700,000 core kilometers from TTTBB bolstered assets post-initial 980,500 core kilometers purchased at IPO; ongoing net asset value reporting and dividend distributions, such as the 35th payout of THB 0.15455 per unit scheduled for September 3, 2025, reflect operational continuity targeting income-focused investors in Thailand's telecom infrastructure sector.