Network (ASN)

AS21554

first seen 2026-06-25 11:40 · last seen 2026-07-01 01:41 · JSON

Decomposed attributes

Network nameWisconsin CyberLynk Network, Inc.
Domaincyberlynk.net

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
q13d0311h3_55b375c5d22e_f2a83c8e78ae Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, urlsession 6.1.2, urlsession 6.3.3, +5 more.The fingerprint page shows the full measured match list. More on the catalog.6
t13d2014h2_a09f3c656075_e42f34c56612 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, urlsession 6.1.2, +1 more.The fingerprint page shows the full measured match list. More on the catalog.6

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn09enus_d96ac90dfa13_000000000000_0000000000002
ge20nr10enus_61edae202460_000000000000_0000000000002
ge20nr09enus_5ad46a65401a_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge30nr08enus_6fbeabe70649_000000000000_0000000000001
ge30nr09enus_5ad46a65401a_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.5, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge20nr09enus_d96ac90dfa13_000000000000_0000000000001
ge30nn08enus_1945e0741196_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.6.2, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge30nr09enus_bb154b6cd20d_000000000000_0000000000001
ge30nr08enus_1945e0741196_000000000000_0000000000001
ge30nr10enus_6cf6fd0b750a_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;3:100;4:2097152;8:1;9:1|10420225|1:0:0:256|m,s,a,p2
2:0;3:100;4:2097152;9:1|10420225|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.2
2:0;3:100;4:2097152;8:1;9:1|10420225|0|m,s,a,p1
2:0;3:100;4:2097152;9:1|10420225|1:0:0:256|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:05
4:55+9:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1460_61

QUIC transport params

fingerprintco-occurrences
q08_17f5c3ee087c6

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.159
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.13

Country

fingerprintco-occurrences
US · United States12

Cross-transport links

TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).

fingerprintlinked observations
t13d2014h2_a09f3c656075_e42f34c566122
q13d0311h3_55b375c5d22e_f2a83c8e78ae2