Network (ASN)

AS51430

first seen 2026-10-23 22:04 · last seen 2026-10-23 22:41 · JSON

Distinct clients per day (last 30 days, peak 104/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

Network nameAltusHost B.V.
Domainaltushost.com

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
t13d3013h2_1d37bd780c83_8537cf56674e104

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_bf75ddd0bb29_000000000000_000000000000104

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog.104

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:036
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:026
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:019
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:016
4:54+10:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:07

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_761
29200_2-4-8-1-3_1460_743

User-Agent

fingerprintco-occurrences
curl/8.14.1104

Country

fingerprintco-occurrences
RS · Serbia27
NL · Netherlands26
SE · Sweden26
CH · Switzerland25

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.22.1, python-httpx 0.28.1, python-requests 2.34.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.104