HTTP/2 frames (Akamai)

2:0;3:1;4:8388608;5:65536|8323073|0|m,s,a,p

first seen 2026-06-11 08:10 · last seen 2026-09-15 07:56 · JSON

Last 7 days (7 observations)

Distinct clients per day (last 30 days, peak 7/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": 1, "4": 8388608, "5": 65536}
WINDOW_UPDATE8323073
PRIORITY frames0
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
t13d1312h2_a44d0ee8b3cc_e381dae6da6b92
t13d1412h2_e33ad33b3d25_6b314db333b64
t13d1311h2_a44d0ee8b3cc_485d6013ba691

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn080000_3b4736f856c0_000000000000_00000000000019
ge20nn090000_6c95df8859bf_000000000000_00000000000019
ge20nn18enus_f19a7ce03b58_000000000000_00000000000010
ge20nn080000_eab49c6106e6_000000000000_0000000000006
ge20nr21engb_dbadf4a3aba3_000000000000_0000000000005
ge20nn19enus_6d96c1a2ad8a_000000000000_0000000000005
ge20nn070000_1c05be67a921_000000000000_0000000000004
ge20nr19enus_6d96c1a2ad8a_000000000000_0000000000003
ge20nr19enus_92a70b2e75e5_000000000000_0000000000002
ge20nn19enus_1ebb7bad6c7c_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:024
4:52+12:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:023
4:49+15:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:010
4:51+13:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:010
4:54+10:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:08
4:53+11:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:07
4:47+17:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:06
4:56+8:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:05
4:50+14:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:03
4:48+16:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_1380

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; GCombinator/1.0; +https://news.gcombinator.com)20
Mozilla/5.0 (compatible; HNBot/1.0)12
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.367
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.364
Mozilla/5.0 (compatible; bot/1.0)4
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.03
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.362
Mozilla/5.0 (X11; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.02
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.0; +https://openai.com/searchbot2

Country

fingerprintco-occurrences
US · United States41
SG · Singapore23
AU · Australia14
DE · Germany7
FR · France6
NL · Netherlands2
CA · Canada1
SE · Sweden1
PL · Poland1
DK · Denmark1

Network (ASN)

fingerprintco-occurrences
AS13335 · Cloudflare, Inc.97