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BackbonePoP Latency

Seattle network latency (SEA)

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

Open Data

Seattle (SEA) is the Pacific Northwest PoP. Its routes provide another West Coast origin for comparison with Los Angeles.

Measurement round: 2026-08-16T04:07:28Z.

The published round covers 19 outbound routes from Seattle. Incoming routes are measured separately; neither direction describes last-mile performance.

Seattle, USA

Fastest routes from Seattle

Average round-trip time · lowest first

  1. Los Angeles LAX25.9 ms
  2. New York NYC59.5 ms
  3. Ashburn IAD61.5 ms
  4. Miami MIA81.7 ms
  5. Tokyo TYO85.0 ms
  6. Taipei TPE114.7 ms
  7. London LON124.1 ms
  8. Amsterdam AMS128.6 ms
  9. Paris PAR129.2 ms
  10. Hong Kong HKG130.4 ms
9 more routes
  1. Frankfurt FRA133.2 ms
  2. Berlin BER140.9 ms
  3. Marseille MRS141.2 ms
  4. Singapore SIN151.1 ms
  5. São Paulo GRU155.7 ms
  6. Sydney SYD161.3 ms
  7. Moscow MOW164.6 ms
  8. Melbourne MEL170.1 ms
  9. Johannesburg JNB282.1 ms
Minimum, maximum and variation
RTT in milliseconds. Standard deviation is calculated within each probe round.
PoPMinMaxStdev
Los Angeles25.4427.560.42
New York57.5864.421.48
Ashburn57.9270.852.96
Miami79.8989.571.94
Tokyo81.0397.433.15
Taipei109.75137.835.07
London118.94137.203.96
Amsterdam126.47138.712.06
Paris126.70135.022.13
Hong Kong125.05145.664.85
Frankfurt130.20141.752.72
Berlin132.69157.156.52
Marseille134.28166.506.79
Singapore143.38172.466.94
São Paulo152.75163.002.37
Sydney157.60177.483.32
Moscow158.38192.707.23
Melbourne164.93189.474.46
Johannesburg273.42300.556.90

Fastest routes into Seattle

Average round-trip time · lowest first

  1. Los Angeles LAX26.9 ms
  2. New York NYC58.7 ms
  3. Ashburn IAD62.3 ms
  4. Miami MIA81.9 ms
  5. Tokyo TYO84.8 ms
  6. Taipei TPE115.8 ms
  7. London LON123.2 ms
  8. Paris PAR128.0 ms
  9. Amsterdam AMS130.2 ms
  10. Hong Kong HKG131.6 ms
9 more routes
  1. Frankfurt FRA135.2 ms
  2. Berlin BER139.7 ms
  3. Marseille MRS141.7 ms
  4. Singapore SIN151.5 ms
  5. São Paulo GRU155.9 ms
  6. Sydney SYD161.9 ms
  7. Moscow MOW164.8 ms
  8. Melbourne MEL172.1 ms
  9. Johannesburg JNB281.2 ms
Minimum, maximum and variation
RTT in milliseconds. Standard deviation is calculated within each probe round.
PoPMinMaxStdev
Los Angeles25.5029.881.13
New York56.6467.852.09
Ashburn59.3775.242.67
Miami78.5493.503.48
Tokyo81.0694.312.93
Taipei111.75128.634.07
London121.09129.681.95
Paris123.76137.503.51
Amsterdam123.59144.115.22
Hong Kong125.78162.346.20
Frankfurt129.14151.395.97
Berlin135.21156.434.65
Marseille135.29163.725.67
Singapore141.74170.287.34
São Paulo151.12166.613.70
Sydney153.84176.635.72
Moscow155.86193.387.90
Melbourne169.00187.703.51
Johannesburg267.91315.609.73
RTT and geographic distance
Outbound RTT against city-centre distance. Distance alone does not identify the cable path.

Location

  • Location: Seattle, USA (North America)
  • Region: North America
  • Role: Backbone interconnection point for Hats Network (AS203314)
  • Public city reference: GeoNames 5809844; 47.60621, -122.33207
  • Coverage: RTT measurements to 19 other PoPs across 5 continents

Interconnection

  • Facility: SEA1
  • Upstream transit: HE / Cogent
Source
Destination
🇺🇸 Seattle (SEA) → 🇩🇪 Berlin (BER)
140.9 msFair

Round Summary

MetricValue
Fastest Route🇺🇸 Seattle (SEA) → 🇺🇸 Los Angeles (LAX) (25.9 ms); Ultra-Low
Slowest Route🇺🇸 Seattle (SEA) → 🇿🇦 Johannesburg (JNB) (282.1 ms)
Average RTT128.5 ms
Average Jitter1.09 ms
Average Packet Loss0.03%
Best Fiber Efficiency88.9%
Intra-Region Peers4 PoPs in North America
Total Routes19 outbound / 19 inbound (100% coverage)

Jitter, packet-loss, percentile, and trend fields are estimated comparative indicators. Read the theoretical fiber latency methodology.

Regional Routes

Seattle's 4 other North America PoPs have RTTs from 25.9 ms (Los Angeles (LAX)) to 81.7 ms (Miami (MIA)).

Seattle is in Washington State in the US Pacific Northwest.

Outbound Latency from Seattle (SEA)

Round-trip time in milliseconds from Seattle to all other backbone PoPs, sorted fastest to slowest.

DestinationRTT (ms)Fiber FloorEfficiencyJitterLossTier
🇺🇸 Los Angeles (LAX)25.915.12 ms58.4%0.24 ms0%Ultra-Low
🇺🇸 New York (NYC)59.537.95 ms63.8%0.66 ms0.16%Excellent
🇺🇸 Ashburn (IAD)61.536.27 ms59%0.55 ms0%Excellent
🇺🇸 Miami (MIA)81.743.08 ms52.7%0.84 ms0%Good
🇯🇵 Tokyo (TYO)8575.55 ms88.9%0.39 ms0%Good
🇹🇼 Taipei (TPE)114.795.46 ms83.2%1.36 ms0%Good
🇬🇧 London (LON)124.175.63 ms60.9%1.38 ms0%Good
🇳🇱 Amsterdam (AMS)128.676.86 ms59.8%1.46 ms0.13%Good
🇫🇷 Paris (PAR)129.278.98 ms61.1%1.22 ms0.02%Good
🇭🇰 Hong Kong (HKG)130.4102.2 ms78.4%0.7 ms0%Good
🇩🇪 Frankfurt (FRA)133.280.34 ms60.3%0.66 ms0.11%Good
🇩🇪 Berlin (BER)140.979.73 ms56.6%1.36 ms0.01%Good
🇫🇷 Marseille (MRS)141.285.27 ms60.4%1.25 ms0.04%Good
🇸🇬 Singapore (SIN)151.1127.22 ms84.2%1.4 ms0%Fair
🇧🇷 São Paulo (GRU)155.7106.76 ms68.6%1.76 ms0%Fair
🇦🇺 Sydney (SYD)161.3121.96 ms75.6%1.49 ms0%Fair
🇷🇺 Moscow (MOW)164.682.23 ms50%1.42 ms0%Fair
🇦🇺 Melbourne (MEL)170.1128.93 ms75.8%0.98 ms0%Fair
🇿🇦 Johannesburg (JNB)282.1161.61 ms57.3%1.53 ms0.15%High

Fastest Routes to Seattle (SEA)

The 10 fastest measured routes to Seattle, ranked by average RTT. Min / max / stdev are computed from the same measurement round (50 ICMP echo probes per route, 100 ms interval); routes without a published per-sample round show the measured average RTT only.

RankSourceAvg RTTMinMaxStdev
1🇺🇸 Los Angeles (LAX)26.9 ms25.5 ms29.88 ms1.13 ms
2🇺🇸 New York (NYC)58.7 ms56.64 ms67.85 ms2.09 ms
3🇺🇸 Ashburn (IAD)62.3 ms59.37 ms75.24 ms2.67 ms
4🇺🇸 Miami (MIA)81.9 ms78.54 ms93.5 ms3.48 ms
5🇯🇵 Tokyo (TYO)84.8 ms81.06 ms94.31 ms2.93 ms
6🇹🇼 Taipei (TPE)115.8 ms111.75 ms128.63 ms4.07 ms
7🇬🇧 London (LON)123.2 ms121.09 ms129.68 ms1.95 ms
8🇫🇷 Paris (PAR)128 ms123.76 ms137.5 ms3.51 ms
9🇳🇱 Amsterdam (AMS)130.2 ms123.59 ms144.11 ms5.22 ms
10🇭🇰 Hong Kong (HKG)131.6 ms125.78 ms162.34 ms6.2 ms

Inbound Latency to Seattle (SEA)

Round-trip time in milliseconds from all other PoPs to Seattle. The measurement origin matters: inbound and outbound RTT can differ for the same pair.

SourceRTT (ms)Fiber FloorEfficiencyJitterLossTier
🇺🇸 Los Angeles (LAX)26.915.12 ms56.2%0.3 ms0.13%Ultra-Low
🇺🇸 New York (NYC)58.737.95 ms64.7%0.35 ms0.11%Excellent
🇺🇸 Ashburn (IAD)62.336.27 ms58.2%0.44 ms0.12%Excellent
🇺🇸 Miami (MIA)81.943.08 ms52.6%0.47 ms0.1%Good
🇯🇵 Tokyo (TYO)84.875.55 ms89.1%0.77 ms0.06%Good
🇹🇼 Taipei (TPE)115.895.46 ms82.4%0.97 ms0.15%Good
🇬🇧 London (LON)123.275.63 ms61.4%0.95 ms0%Good
🇫🇷 Paris (PAR)12878.98 ms61.7%0.85 ms0.07%Good
🇳🇱 Amsterdam (AMS)130.276.86 ms59%1.26 ms0.04%Good
🇭🇰 Hong Kong (HKG)131.6102.2 ms77.7%0.82 ms0.05%Good
🇩🇪 Frankfurt (FRA)135.280.34 ms59.4%0.98 ms0.16%Good
🇩🇪 Berlin (BER)139.779.73 ms57.1%1.63 ms0.2%Good
🇫🇷 Marseille (MRS)141.785.27 ms60.2%1.19 ms0.12%Good
🇸🇬 Singapore (SIN)151.5127.22 ms84%1.11 ms0%Fair
🇧🇷 São Paulo (GRU)155.9106.76 ms68.5%1.54 ms0.19%Fair
🇦🇺 Sydney (SYD)161.9121.96 ms75.3%1.74 ms0.03%Fair
🇷🇺 Moscow (MOW)164.882.23 ms49.9%0.99 ms0%Fair
🇦🇺 Melbourne (MEL)172.1128.93 ms74.9%1.49 ms0%Fair
🇿🇦 Johannesburg (JNB)281.2161.61 ms57.5%1.91 ms0.11%High

North America Peers

Seattle is one of 5 Hats Network PoPs in North America. The table lists outbound measurements within the region.

PoPCodeCountryRTT (ms)Tier
🇺🇸 Ashburn (IAD)IADUSA61.5Excellent
🇺🇸 Los Angeles (LAX)LAXUSA25.9Ultra-Low
🇺🇸 Miami (MIA)MIAUSA81.7Good
🇺🇸 New York (NYC)NYCUSA59.5Excellent

Questions

What is the fastest route to Seattle?

The fastest measured route to Seattle (SEA) is Los Angeles (LAX) → Seattle (SEA), averaging 26.9 ms RTT (Ultra-Low).

What is the fastest route from Seattle?

The fastest measured route from Seattle (SEA) is Seattle (SEA) → Los Angeles (LAX), averaging 25.9 ms RTT (Ultra-Low).

How well connected is Seattle to the Hats Network backbone?

Seattle (SEA) maintains measured routes to all 19 other PoPs across 5 continents. The slowest route, Seattle (SEA) → Johannesburg (JNB), averages 282.1 ms RTT.

Round published August 16, 2026. All 20 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.

On this page

LocationInterconnectionRound SummaryRegional RoutesOutbound Latency from Seattle (SEA)Fastest Routes to Seattle (SEA)Inbound Latency to Seattle (SEA)North America PeersQuestions