QUIC transport params

q12_fcf871be5fee

first seen 2026-06-25 11:35 · last seen 2026-09-15 12:43 · JSON

Last 7 days (32 observations)

Distinct clients per day (last 30 days, peak 15/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Transport-parameter count12
Transport-parameter IDs0001, 0003, 0004, 0005, 0006, 0007, 0008, 0009, 000f, 0011, 0020, 4752
QTP rawq12_0001,0003,0004,0005,0006,0007,0008,0009,000f,0011,0020,4752

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
q13d0311h3_55b375c5d22e_653d80c3fe9d Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +52 more.The fingerprint page shows the full measured match list. More on the catalog.199

HTTP request (JA4H)

fingerprintco-occurrences
ge30nn13zhcn_0c2c1d640f3e_000000000000_000000000000102
ge30nr12zhcn_54b4638ab28b_000000000000_00000000000023
ge30nn13zhcn_9519c2577190_000000000000_00000000000012
ge30nr12enus_54b4638ab28b_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, edge 151.0.4129.93, +36 more.The fingerprint page shows the full measured match list. More on the catalog.6
ge30nr13enus_54728652be35_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, edge 149.0.4022.52, +10 more.The fingerprint page shows the full measured match list. More on the catalog.4
ge30nr13enus_0c2c1d640f3e_000000000000_0000000000003
ge30nn19enus_9921e9511126_000000000000_0000000000003
ge30nn14engb_186438911b7e_000000000000_0000000000002
ge30nn13enus_b014bc1dab74_000000000000_0000000000002
ge30nn10enus_f7ad313dcc59_000000000000_0000000000002

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36114
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.3622
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 PTST/26.038
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 GTmetrix4
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.364
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.364
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.363
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.363
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.363
Mozilla/5.0 (Linux; Android 16; Pixel 6 Build/BP2A.250805.005) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.7559.76 Mobile Safari/537.363

Country

fingerprintco-occurrences
CN · China138
US · United States37
NL · Netherlands5
SG · Singapore4
CA · Canada4
PL · Poland4
IT · Italy2
MA · Morocco2
KR · South Korea1
RU · Russia1

Network (ASN)

fingerprintco-occurrences
AS4837 · CHINA UNICOM China169 Backbone40
AS9808 · China Mobile Communications Group Co., Ltd.27
AS8075 · Microsoft Corporation14
AS56045 · China Mobile communications corporation13
AS56046 · China Mobile communications corporation11
AS56040 · China Mobile communications corporation10
AS396982 · Google LLC9
AS4134 · CHINANET BACKBONE9
AS14618 · Amazon.com, Inc.8
AS4808 · China Unicom Beijing Province Network6

Cross-transport links

TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).

fingerprintlinked observations
t13d1516h2_8daaf6152771_d8a2da3f94cd65
t13d1515h2_8daaf6152771_22334254f9f74