User-Agent

Mozilla/5.0 (compatible; ExaSearchBot/1.0; +https://crawler.exa.ai/)

first seen 2026-08-12 08:50 · last seen 2026-10-31 20:03 · JSON

Last 7 days (15714 observations)

Distinct clients per day (last 30 days, peak 256/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 / clientExaSearchBot 1.0
Device classbot
Declared URLhttps://crawler.exa.ai/
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
t13d1011h2_61a7ad8aa9b6_f9531d972513 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.13.4, rust-hyper 1.11.0, rust-hyper 1.11.1, +1 more.The fingerprint page shows the full measured match list. More on the catalog.27784
t13d1011h1_61a7ad8aa9b6_3fcd1a44f3e35

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn09enus_14bb3be9acf4_000000000000_00000000000065
ge20nn09enus_3cfb631e00fc_000000000000_00000000000064
ge20nn09enus_b98f29bc4ddb_000000000000_00000000000060
ge20nn09enus_99d83f5652e2_000000000000_00000000000058
ge20nn09enus_bd0eefb4cd96_000000000000_00000000000058
ge20nn09enus_1ceeac2b299f_000000000000_00000000000058
ge20nn09enus_c344dba4d909_000000000000_00000000000057
ge20nn09enus_99cb9b120f73_000000000000_00000000000057
ge20nn09enus_0baa322d1bd3_000000000000_00000000000057
ge20nn09enus_5a35ea458b67_000000000000_00000000000056

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:2097152;5:16384;6:16384|5177345|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.13.5, rust-reqwest 0.13.4, +4 more.The fingerprint page shows the full measured match list. More on the catalog.27784

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:014492
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:013293
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:57+7:0:1460: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:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_727789

Country

fingerprintco-occurrences
US · United States27789

Network (ASN)

fingerprintco-occurrences
AS30058 · FDCservers.net27787
AS396362 · Leaseweb USA, Inc.1
AS36352 · HostPapa1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog.18076