User-Agent

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3 Safari/605.1.15

first seen 2026-07-05 06:02 · last seen 2026-09-09 04:06 · JSON

Distinct clients per day (last 30 days, peak 2/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

Browser / clientSafari 17.3
Operating systemmacOS 10.15.7
Device classdesktop
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

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
t13d5911h1_a33745022dd6_1f22a2ca17c4 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 23.11.1.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1111h2_da9cd1681878_9ced094328c91
t13d0911h2_34d0827eed9a_9ced094328c91
t12d130600_2d7513195f68_e51b7354d87f1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn08enus_9052447a5a85_000000000000_0000000000003
ge20nn04enus_989c7cc05c9b_000000000000_0000000000002
ge11nn08dede_9052447a5a85_000000000000_0000000000001
ge11nr040000_e1d2031bdfea_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p2

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:245+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1436:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
6:53+11:0:1440:mss*30,9:mss,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_75
64240_2-4-8-1-3_1436_71
43200_2-1-3_1440_91

Country

fingerprintco-occurrences
NL · Netherlands3
DE · Germany1
US · United States1
GB · United Kingdom1
IS · Iceland1

Network (ASN)

fingerprintco-occurrences
AS399629 · BL Networks4
AS6939 · Hurricane Electric LLC1
AS50613 · Advania Island ehf1
AS51202 · NUXOA GmbH1