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BackbonePoP Latency
SEAUSA / North America

Seattle

Backbone latency

Measurement round
Open Data
Fastest outbound
25.9ms
Los Angeles
Average outbound
128.5ms

Across 19 routes

Connected PoPs
19/ 19

19 inbound routes

Routes

Published ICMP round-trip measurements between Seattle and the other backbone PoPs. These are inter-PoP measurements, not last-mile speed tests.

Average round-trip time from and to Seattle, in milliseconds
Details
Los AngelesLAX25.927.4
New YorkNYC59.458.9
AshburnIAD62.862.2
MiamiMIA81.181.4
TokyoTYO85.284.5
TaipeiTPE115.2115.6
LondonLON124.3123.6
Hong KongHKG127.6130.2
ParisPAR127.6130.1
AmsterdamAMS130.3130.1
FrankfurtFRA135.3133.7
MarseilleMRS138.8140.3
BerlinBER139.6140.2
SingaporeSIN150.6153.4
São PauloGRU155.1155.4
SydneySYD161.9161.5
MoscowMOW166.9165.5
MelbourneMEL171.4172.5
JohannesburgJNB282.3281.6

RTT in ms. Outbound: probes from Seattle. Inbound: probes to Seattle.

Node & interconnection

Network
Hats Network / AS203314
Location
Seattle, USA
Facility
SEA1
Transit
HE / Cogent
Peering / IX
Not listed
Region
North America
Seattle, USA

Seattle, USA


City reference image

City reference: GeoNames 5809844; 47.60621, -122.33207. Coordinates refer to the city, not the facility.

Measurement notes

Why are outbound and inbound values different?

Outbound probes start at Seattle; inbound probes start at the remote PoP. Each value is a complete round trip. Routing, congestion and the measurement origin can produce different results in the two directions.

What do the probe statistics describe?

Minimum, maximum and standard deviation describe the published samples in each route's probe round. Each route includes its sample count, interval and timestamp. A short round does not establish long-term reliability or an SLA.

What is measured, and what is modeled?

The comparison table shows measured RTT. Fiber floors, efficiency, jitter estimates and trend comparisons on the individual route pages are calculated indicators. They do not identify a physical cable path or replace loss and jitter measurements. Read the methodology.

Measurement round: 2026-10-20T08:46:17Z. All PoPs / Dataset and licence.

New York network latency (NYC)

Round-trip measurements between New York (NYC) and 19 Hats Network PoPs, with route comparisons and downloadable probe data.

São Paulo network latency (GRU)

Round-trip measurements between São Paulo (GRU) and 19 Hats Network PoPs, with route comparisons and downloadable probe data.