Landing Point · GU Guam
| Cable | Status |
|---|---|
| Australia-Japan Cable (AJC) | Active |
| Guam Okinawa Kyushu Incheon (GOKI) | Active |
RTT measurements to this landing point from 2026-04-12 through 2026-10-14 - live ICMP round-trip time via our monitoring probes. Recomputed daily.
| Probe | Location | Samples | Avg |
|---|---|---|---|
| #34380 | control probe | 383 | 120.7 ms |
| #6410 own probe | Sao Paulo BR | 311 | 293.7 ms |
| #6427 own probe | Sydney AU | 310 | 139.0 ms |
| own probe | Almaty KZ | 250 | 349.1 ms |
| own probe | Minsk BY | 249 | 286.2 ms |
| own probe | Tbilisi GE | 241 | 317.8 ms |
| #7062 own probe | Cape Town ZA | 240 | 394.3 ms |
| own probe | Jerusalem IL | 230 | 310.8 ms |
| own probe | Moscow RU | 228 | 289.1 ms |
| own probe | Rostov RU | 220 | 317.1 ms |
| own probe | Balancer IL | 218 | 315.1 ms |
| own probe | Saint Petersburg RU | 205 | 285.1 ms |
| own probe | Sevastopol UA | 194 | 329.0 ms |
| own probe | Kyiv UA | 192 | 286.0 ms |
| #6568 own probe | Singapore SG | 189 | 336.1 ms |
| own probe | Odessa UA | 188 | 308.8 ms |
| own probe | DVM IL | 182 | 318.4 ms |
| own probe | Ekaterinburg RU | 181 | 324.0 ms |
| #6487 | control probe | 118 | 242.4 ms |
| #329 | control probe | 1 | 147.2 ms |

Tumon Bay, Guam is a submarine cable landing point in Guam (coordinates 13.5136°, 144.8006°). It serves 2 submarine cable systems, making it a multi-cable landing site in Guam's international connectivity infrastructure.
Tumon Bay is a bay in the United States territory of Guam, opening to the Philippine Sea. It is bounded to the north by Two Lovers Point and to the south by Ypao Point. The entirety of the bay falls within the Tumon Bay Marine Preserve, also known as the Tumon Bay Marine Preserve Area (MPA) and Tumon Preserve, one of five marine preserves on Guam. The Preserve measures 4.54 square kilometers and is roughly two miles long. The platform of the fringing reef that separates the open ocean from the lagoon is up to 1,450 feet (440 m) wide. and up to one mile from the shore. The bay is located off of the Tumon area, the tourist center of the island, in the village of Tamuning. The bay is extensively utilized for recreation and fishing. Wikipedia
| Cable | RFS | Length | Owners |
|---|---|---|---|
| Guam Okinawa Kyushu Incheon (GOKI) | 2013 | 4,244 km | AT&T |
| Australia-Japan Cable (AJC) | 2001 | 12,700 km | AT&T, NTT, Softbank, … |
Cables landing at Tumon Bay, Guam are operated by 5 distinct consortium partners and carriers, including AT&T, NTT, Softbank, Telstra, Verizon. Each cable is typically jointly owned by a consortium of tier-one carriers and hyperscale operators who share construction costs and capacity; the operator mix reflects both regional incumbents and global players with interest in the routes served by this landing point.
From Tumon Bay, Guam, international traffic can reach 3 countries through 2 cable systems. Destinations include Australia, Guam, Japan.
No monitoring incidents were recorded on cables serving Tumon Bay, Guam in the past 90 days - all connected systems remained within normal latency thresholds. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.
What next: Tumon Bay, Guam in the global directory of cable landing points; see surrounding routes on the interactive submarine cable map or follow live network monitoring.
Traceroutes from our own measurement points over the last 30 days: usual delay and number of network hops on the way to Tumon Bay.
Last trace: 2026-10-15. Live network map
View actual submarine cable routing from Tumon Bay, Guam - with backbone nodes, distance calculations, and latency estimates
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