User-Agent

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.15

first seen 2026-09-06 08:20 · last seen 2026-10-24 09:59 · 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

Browser / clientSafari 15.4
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
t13d251100_b78ed14e2fd0_ab7e3b40a6774
t13d0810h2_40beedacc3f2_5603904660152
t12d130600_2d7513195f68_e51b7354d87f1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn04enus_989c7cc05c9b_000000000000_0000000000002
ge11nr05en00_f3bb7aa45ec4_000000000000_0000000000002
ge11nr040000_e1d2031bdfea_000000000000_0000000000001
ge11nr050000_57c5e92682a8_000000000000_0000000000001
ge11nn050000_57c5e92682a8_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
4:47+17:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:120+8:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01
6:53+11:0:1440:mss*30,9:mss,nop,ws:flow:01
4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::01
4:51+13:0:1460:mss*29,13:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:32768,10:mss,nop,ws,sok,ts::01

TCP SYN (JA4T)

fingerprintco-occurrences
32768_2-1-3-4-8_1460_102
64240_2-4-8-1-3_1460_71
64240_2-4-8-1-3_1460_101
64240_2-1-3-1-1-4_1460_81
42340_2-4-8-1-3_1460_131
43200_2-1-3_1440_91

Country

fingerprintco-occurrences
NL · Netherlands4
US · United States1
PL · Poland1
LT · Lithuania1

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology2
AS48090 · TECHOFF SRV LIMITED1
AS6939 · Hurricane Electric LLC1
AS401626 · Netiface America, Inc.1
AS267784 · Flyservers S.A.1
AS218785 · TC DATACENTER LIMITED1

TLS supported groups

fingerprintco-occurrences
11ec,11eb,11ed,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.3, go-net/http 1.26.10.The fingerprint page shows the full measured match list. More on the catalog.1