LFON (Libyan Fiber Optic Network)

LFON: Libya's Domestic Submarine Cable Network

The Libyan Fiber Optic Network (LFON) is a submarine cable system designed to connect key coastal cities in Libya. Spanning 1,639 kilometers, it links 13 landing points, including major urban centers such as Tripoli, Benghazi, and Misuratah, as well as smaller hubs like Ras Lanuf and Zuwara. Operated by the Libyan Post, Telecommunications and Information Technology Company (LPTIC Holding), LFON has been listed as in service since 1999, according to GeoCables data. What stands out about LFON is its role as an entirely domestic submarine cable system, which is relatively uncommon in the global submarine cable industry. While many cables are built for international connectivity, LFON focuses on improving intra-Libyan communication infrastructure. However, significant gaps remain in publicly disclosed technical details, such as its design capacity, fiber pair count, and supplier.

Quick facts

Cable name	Libyan Fiber Optic Network (LFON)
Length	1,639 km
Ready-for-service year	1999 (GeoCables database value)
Owner	Libyan Post, Telecommunications and Information Technology Company (LPTIC Holding)
Status	In service
Design capacity	Not disclosed
Fiber pairs	Not disclosed
Supplier	Not disclosed
Technology	Not disclosed
Landing points	Al Bayda, Al Khums, Benghazi, Brega, Derna, Misuratah, Ras Lanuf, Sirte, Tobruk, Tolmeta, Tripoli, Zawia, Zuwara

Show LFON (Libyan Fiber Optic Network) on the interactive cable map

Route

LFON connects 13 landing points along Libya's Mediterranean coastline, forming a domestic communication corridor. Major cities like Tripoli, Benghazi, and Misuratah serve as critical hubs, while smaller towns such as Zuwara and Ras Lanuf contribute to the cable's comprehensive coverage of the Libyan coast. The cable's route reflects Libya's reliance on coastal infrastructure, as much of the country's population and economic activity are concentrated near the Mediterranean.

Why it was built and what it carries

LFON was constructed to enhance domestic telecommunications in Libya, providing a reliable foundation for voice, data, and internet services between key cities. Its deployment in 1999 aligns with a period of growing global interest in fiber optic technology for national connectivity. While its specific traffic volumes and design capacity are not publicly disclosed, LFON likely supports government, commercial, and residential communication needs.

History: what can be established

GeoCables records LFON's ready-for-service year as 1999. If other industry sources suggest a different year, this discrepancy has not been surfaced in publicly available data. Possible explanations for such conflicts could include delays in documentation, phased activation of segments, or differing interpretations of when the cable became fully operational.

Capacity and technology

Publicly available information does not provide details on LFON's design capacity, fiber pair count, or supplier. Without operator documentation, attributing these parameters would be speculative. Given its domestic focus and the technological standards of the late 1990s, LFON may have been designed for modest capacity relative to modern international cables.

Latency: the physics

Theoretical one-way light propagation over LFON's 1,639 km length is approximately 8.0 milliseconds, with a round-trip time (RTT) floor of 16.1 milliseconds. However, real-world latency is higher due to factors such as land tail segments, terminal equipment, and routing inefficiencies. Live measurements from remote probes show significantly higher RTTs, ranging from 38.5 ms (Kyiv to Ras Lanuf) to 279.1 ms (Sydney to Ras Lanuf). These figures reflect the full internet path, not the cable itself, and include additional latencies introduced by intermediate networks and routing.

Redundancy: what happens if it breaks

LFON's domestic focus means redundancy within Libya depends on alternative submarine cables and terrestrial networks. At Benghazi, LFON intersects with the Medusa Submarine Cable System, while Derna connects to Silphium. Tripoli is linked to international cables like Europe India Gateway (EIG) and Italy-Libya, providing potential fallback options for international traffic. Repair logistics for LFON would follow standard industry practices, including fault localization, mobilization of cable ships, and replacement of damaged segments.

Bottom line

• LFON is a domestic submarine cable system connecting 13 coastal cities in Libya.
• Its ready-for-service year is recorded as 1999, with no conflicting data surfaced.
• Key technical details, including design capacity and fiber pairs, are not publicly disclosed.
• Live latency measurements reflect full internet paths, not the cable's intrinsic performance.
• Redundancy is supported by intersecting cables like Medusa, Silphium, and EIG.