HTTP/2 frames (Akamai)

2:0;3:100;4:2097152;9:1|10420225|1:0:0:256|m,s,a,p

first seen 2026-06-25 11:40 · last seen 2026-10-22 09:50 · JSON

Distinct clients per day (last 30 days, peak 3/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

SETTINGS{"2": 0, "3": 100, "4": 2097152, "9": 1}
WINDOW_UPDATE10420225
PRIORITY frames1:0:0:256
Pseudo-header orderm,s,a,p

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
t13d2014h2_a09f3c656075_e42f34c56612 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.6.1, +1 more.The fingerprint page shows the full measured match list. More on the catalog.21
t13d2013h2_a09f3c656075_7f0f34a4126d Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.6.2, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.5

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn08enus_1945e0741196_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2.The fingerprint page shows the full measured match list. More on the catalog.6
ge20nn08zhcn_1945e0741196_000000000000_0000000000004
ge20nn08ensg_1945e0741196_000000000000_0000000000004
ge20nr09zhcn_935a4c186404_000000000000_0000000000004
ge20nn09zhcn_547aba124fbf_000000000000_0000000000002
ge20nn09enus_d96ac90dfa13_000000000000_0000000000001
ge20nn020000_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.1, go-net/http 1.27.0, +14 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge20nr08enus_1945e0741196_000000000000_0000000000001
ge20nn08enus_b65a39d4559c_000000000000_0000000000001
ge20nr08enus_6fbeabe70649_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1424:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
6:57+7:0:1440:65535,10:mss,sok,ts,nop,ws:flow:03
6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:02
4:57+7:0:1343:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df:02
4:44+20:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:01
4:116+12:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:46+18:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:43+21:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1424_75
65535_2-4-8-1-3_1440_103
64800_2-4-8-1-3_1440_72
65535_2-4-8-1-3_1460_62
65535_2-1-3-1-1-8-4-0-0_1380_62
65535_2-1-3-1-1-8-4-0-0_1343_62
43080_2-4-8-1-3_1300_122
64240_2-4-8-1-3_1460_71
65535_2-1-3-1-1-4_1460_81
65535_2-4-8-1-3_1412_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.7.5 Mobile/15E148 Safari/604.110
Mozilla/5.0 (iPhone; CPU iPhone OS 26_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Mobile/15E148 Safari/604.14
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.153
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Safari/605.1.152
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.12
Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Mobile/15E148 Safari/604.12
Go-http-client/2.01
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.11
GlassloomTLSAudit/1.01

Country

fingerprintco-occurrences
US · United States9
HK · Hong Kong SAR China6
SG · Singapore4
SE · Sweden2
TR · Turkey2
CN · China1
UA · Ukraine1
EG · Egypt1

Network (ASN)

fingerprintco-occurrences
AS132203 · Tencent Building, Kejizhongyi Avenue5
AS30058 · FDCservers.net3
AS701 · Verizon Business2
AS9121 · Turk Telekomunikasyon Anonim Sirketi2
AS394089 · Google LLC2
AS9506 · Singtel Fibre Broadband2
AS214379 · South Park Networks LLC2
AS4837 · CHINA UNICOM China169 Backbone1
AS21554 · Wisconsin CyberLynk Network, Inc.1
AS63199 · CDS Global Cloud Co., Ltd1

TLS supported groups

fingerprintco-occurrences
0a0a,001d,0017,0018,001910