ICMP echo RTT measurements from Hong Kong, Hong Kong to Berlin, Germany: average, minimum, maximum, jitter, packet loss, and fiber efficiency.

🇭🇰 Hong Kong (HKG) → 🇩🇪 Berlin, Germany (BER)

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

In the 2026-08-16T04:07:28Z round, ICMP echo RTT from Hong Kong to Berlin, Germany averaged 145.1 ms, with a minimum of 138.49 ms and a maximum of 164.88 ms; all 50 probes succeeded, packet loss was 0%, and jitter was 5.8 ms.

The 8,767.1 km great-circle distance puts the fiber floor at 85.85 ms, so the measured average is 1.69 times the floor and fiber efficiency reaches 59.2%.

Ranked 9th among the 19 outbound routes in this round, this route sits on the faster side of the field. Its standard deviation of 6.67 ms is 4.60% of the average, higher than the network's median spread-to-average ratio of 3.28%, so the tail toward 164.88 ms adds noticeable spread despite the good mean RTT.

Latency Summary

Metric	Value
RTT	145.1 ms
Jitter	5.8 ms
Packet Loss	0%
Standard Fiber Floor	85.85 ms
Fiber Efficiency	59.2%
Latency Tier	Good
Source Region	Asia Pacific
Destination Region	Europe

Ping Measurement Series

The chart below renders the 50-sample ICMP echo measurement round for this route; an accessible table of every sample is included with the chart.

Ping series: HKG → BER

50 ICMP echo samples at 100 ms intervals · round 2026-08-16T04:07:28Z · avg 145.1 ± 0.94 ms (SE)

Sample distribution: box = interquartile range (140.7–146.6 ms), median 142.8 ms · whiskers = min–max · diamond = round average · each dot is one measured sample.

How to read this chart

The shaded band spans the measured minimum to maximum RTT of all samples collected up to that point, and the thin line traces the running average. The final position therefore matches the round statistics exactly — the band only widens when a new extreme sample arrives.

The dashed line is the round average, and the shaded band at the bottom is the theoretical fiber-optic floor (85.8 ms) for this route.

Full 50-sample dataset

Seq	Offset (ms)	RTT (ms)
1	0	138.49
2	100	144.25
3	200	147.47
4	300	141.92
5	400	143.79
6	500	142.67
7	600	152.70
8	700	143.39
9	800	160.72
10	900	147.61
11	1000	158.24
12	1100	146.26
13	1200	141.84
14	1300	139.84
15	1400	140.80
16	1500	138.74
17	1600	164.88
18	1700	149.58
19	1800	142.44
20	1900	139.99
21	2000	139.74
22	2100	141.85
23	2200	145.05
24	2300	149.56
25	2400	144.57
26	2500	143.15
27	2600	142.88
28	2700	139.23
29	2800	141.87
30	2900	141.20
31	3000	140.01
32	3100	141.00
33	3200	142.59
34	3300	140.61
35	3400	144.39
36	3500	139.67
37	3600	146.75
38	3700	160.83
39	3800	145.34
40	3900	142.47
41	4000	144.58
42	4100	140.32
43	4200	147.07
44	4300	141.23
45	4400	143.77
46	4500	139.42
47	4600	139.70
48	4700	139.02
49	4800	163.40
50	4900	158.11

Download This Route's Data

This route's measurement round is published as open data (CC BY 4.0) in CSV, JSON, and YAML. See About This Measurement for citation guidance.

Download this dataset

Per-route ICMP ping series, released under CC BY 4.0. Uncompressed plain text — no decompression step needed.

CSV JSON YAML Full dataset

Theoretical Fiber Latency

The public physical reference uses the GeoNames city centres for Hong Kong (22.27832, 114.17469) and Berlin (52.52437, 13.41053). It does not disclose either facility address.

Physical Reference	Value
WGS-84 geodesic distance	8,767.1 km
Vacuum RTT floor	58.49 ms
Standard fiber RTT floor ( $n_g=1.4679$ )	85.85 ms
Low-latency fiber material floor	85.51 ms
Engineering floor (5% path allowance)	90.16 ms
Research 1.33× mapped-fiber reference	114.19 ms
Estimated unamplified path loss	1841.1 dB
Transparent optical spans / inline amplifiers	116 / 115
Published RTT inflation over fiber floor	1.69×

Attenuation is used to estimate the number of 80 km optical spans; it does not directly slow light. See the full theoretical fiber latency, GeoNames, attenuation, and amplifier methodology.

Stability & Trend

The current measurement round (2026-08-16T04:07:28Z) collected 50 ICMP echo samples on this route. Distribution statistics from that round:

Round Statistic	Value
Minimum RTT	138.49 ms
Average RTT	145.1 ms
Maximum RTT	164.88 ms
Standard deviation	6.67 ms
Stdev / average	4.6%

RTT trend

Estimated route stability across the selected time window.

Average: 145.0 ms
Minimum: 143.5 ms
Maximum: 146.6 ms
Average loss: 0.03%

Route Context

Departure PoP: Hong Kong (HKG)
Destination PoP: Berlin (BER)
Region overview: Asia Pacific → Europe
Full global matrix: Backbone Latency Matrix
Physical methodology: Theoretical Fiber Latency

Reverse direction

Berlin to Hong Kong latency and RTT — 144.9 ms

Fastest routes departing Hong Kong (HKG)

Hong Kong to Taipei latency and RTT — 14.7 ms
Hong Kong to Singapore latency and RTT — 31.5 ms
Hong Kong to Tokyo latency and RTT — 44.9 ms
Hong Kong to Moscow latency and RTT — 118.2 ms
Hong Kong to Seattle latency and RTT — 131.6 ms

Fastest routes arriving at Berlin (BER)

Frankfurt to Berlin latency and RTT — 6.1 ms
Amsterdam to Berlin latency and RTT — 7.2 ms
Paris to Berlin latency and RTT — 15.5 ms
London to Berlin latency and RTT — 16.2 ms
Marseille to Berlin latency and RTT — 20.6 ms

Same corridor (Asia Pacific → Europe)

Taipei to Moscow latency and RTT — 132.7 ms
Singapore to Marseille latency and RTT — 140.6 ms
Singapore to Moscow latency and RTT — 147.7 ms

About This Measurement

Published RTT reflects best-case backbone path behavior measured with ICMP echo probes between PoPs. End-user latency also depends on local access networks, congestion, routing policy, and traffic engineering. None of these values is an SLA.

The measurement round behind this page is published as open data under CC BY 4.0 in the Hats Network latency dataset. Per-pair files are available at /opendata/latency/latest/pairs/hkg-ber.pings.{csv,json,yaml}. When citing, include the route, the measurement round timestamp, and the dataset version — for example: "Hats Network latency dataset, Hong Kong → Berlin round 2026-08-16T04:07:28Z, CC BY 4.0".

Data auto-generated on August 16, 2026. Explore the full interactive latency matrix or browse more city-pair routes.

Hong Kong → Berlin, Germany RTT