Network (ASN)

AS197540

first seen 2026-06-23 16:28 · last seen 2026-10-30 10:55 · JSON

Last 7 days (7 observations)

Distinct clients per day (last 30 days, peak 54/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 namenetcup GmbH
Domainnetcup.de

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_8537cf56674e Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.18.0.The fingerprint page shows the full measured match list. More on the catalog.54
t12d290700_fc2078a0b8c0_8c06664c3ac533
t13d3013h1_1d37bd780c83_ecd0401ec68b9
t13d1715h2_5b57614c22b0_a54fffd0eb615
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.5
t13d521100_b262b3658495_8e6e362c5eac4
t13d5212h1_b262b3658495_8e6e362c5eac Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.21.0, node-fetch 24.19.0, node-fetch 22.23.1, +9 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d1516h2_8daaf6152771_e5627efa2ab13
t13d3112h1_e8f1e7e78f70_b26ce05bbdd6 Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.2.0, php-guzzle 8.1.0, php-guzzle 8.3.1, +12 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d151100_8daaf6152771_882d495ac3813

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn04enus_989c7cc05c9b_000000000000_00000000000068
ge20nn030000_bf75ddd0bb29_000000000000_00000000000054
ge11nn06en00_3011d71998e2_000000000000_00000000000018
ge11nn040000_bfa5a9b89dd6_000000000000_00000000000015
ge20nn04enus_ded3c6d8f0eb_000000000000_0000000000009
ge20nr11enus_187a9385d229_000000000000_0000000000004
ge20nn12enus_60f823d07c94_000000000000_0000000000004
ge11nn12enus_9a9494a1019e_000000000000_0000000000003
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.3
ge11nn07en00_131b6413da1e_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p68
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.54
1:4096;2:0;4:65535;5:16384;3:100;6:65536|16777216|0|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.9
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +60 more.The fingerprint page shows the full measured match list. More on the catalog.3
1:65536;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p3
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 155.0.1, +32 more.The fingerprint page shows the full measured match list. More on the catalog.2
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:131072;5:16384|12517377|5:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 154.0, firefox 153.0, +13 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:131072;5:16384|12517377|7:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 158.0.1, firefox 155.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:061
4:54+10:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:030
6:43+21:0:1440:mss*30,11:mss,sok,ts,nop,ws:flow:017
6:46+18:0:1440:mss*30,11:mss,sok,ts,nop,ws:flow:011
4:53+11:0:1460:mss*29,11:mss,nop,nop,sok,nop,ws::09
6:42+22:0:1440:mss*30,11:mss,nop,nop,sok,nop,ws:flow:09
6:41+23:0:1440:mss*30,11:mss,sok,ts,nop,ws:flow:08
6:42+22:0:1440:mss*30,11:mss,sok,ts,nop,ws:flow:07
4:54+10:0:1460:mss*29,11:mss,nop,nop,sok,nop,ws::06
4:48+16:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:05

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_11101
43200_2-4-8-1-3_1440_1153
42340_2-1-1-4-1-3_1460_1120
43200_2-1-1-4-1-3_1440_1113
64800_2-4-8-1-3_1440_74
64240_2-4-8-1-3_1460_73
65535_2-1-3-4-8_1460_92
65535_2-1-3-1-1-4_1460_81
31680_2-4-8-1-3_1440_91

User-Agent

fingerprintco-occurrences
curl/8.14.154
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)33
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.05
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.8 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.1 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) Gecko/20100101 Firefox/148.03
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.363
NPOSAIStartupDirectory/0.1 (+https://nposai.com)3

Country

fingerprintco-occurrences
DE · Germany173
AT · Austria23
NL · Netherlands5

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1, python-requests 2.34.2, curl 8.23.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog.63
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, winhttp 10.0.20348.1, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3