HTTP/2 frames (Akamai)

1:4096;2:0;3:100;4:6291456;5:16384;6:65535|2147418112|1:0:0:256|m,a,s,p

first seen 2026-07-03 16:11 · last seen 2026-09-03 16:21 · JSON

Distinct clients per day (last 30 days, peak 1/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{"1": 4096, "2": 0, "3": 100, "4": 6291456, "5": 16384, "6": 65535}
WINDOW_UPDATE2147418112
PRIORITY frames1:0:0:256
Pseudo-header orderm,a,s,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
t13d1410h2_f98f5dc5c741_4c1ab05529042
t12d1106h2_8256d93fd366_151c0a07749b2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_9519c2577190_000000000000_0000000000002
ge20nr14enus_00c893c2b404_000000000000_0000000000001
ge20nr13enus_0c2c1d640f3e_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1360:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:02
4:57+7:0:1260:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:01
4:49+15:0:1350:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1360_62
65535_2-1-3-1-1-8-4-0-0_1260_61
65535_2-1-3-1-1-8-4-0-0_1350_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36 Edg/151.0.0.02
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands2
US · United States1
CA · Canada1

Network (ASN)

fingerprintco-occurrences
AS3917 · Shell Information Technology International B.V.2
AS394089 · Google LLC1
AS23018 · CareSource Management Group, Co.1