Network (ASN)

AS24940

first seen 2026-06-11 06:40 · last seen 2026-11-01 20:28 · JSON

Last 7 days (39 observations)

Distinct clients per day (last 30 days, peak 32/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 name	`Hetzner Online GmbH`
Domain	`hetzner.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)

fingerprint	co-occurrences
`t13d491200_bd868743f55c_7c76daad20ec` Match?Exact match in Thumbprint's published controlled catalog captures: java-urlconnection 17.0.12.The fingerprint page shows the full measured match list. More on the catalog.	616
`t13d1212h1_a538d02d76d5_f6eeaf393d2e`	224
`t13d1516h2_8daaf6152771_d8a2da3f94cd` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.	167
`t12d290700_fc2078a0b8c0_8c06664c3ac5`	116
`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.	45
`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.	31
`t13d1516h2_8daaf6152771_e5627efa2ab1`	28
`t13d311000_e8f1e7e78f70_518fb456ca59`	22
`t13d1812h1_85036bcba153_b26ce05bbdd6`	19
`t13d521100_b262b3658495_8e6e362c5eac`	16

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn050000_dc01eb6f2852_000000000000_000000000000`	602
`ge11nn06*000_9faab82a4eea_000000000000_000000000000`	223
`ge20nn140000_02563f2d0fa8_000000000000_000000000000`	103
`ge11nn040000_bfa5a9b89dd6_000000000000_000000000000`	58
`ge11nn06en00_3011d71998e2_000000000000_000000000000`	48
`ge20nn12enus_60f823d07c94_000000000000_000000000000`	38
`ge11nn07*000_2f91038604b7_000000000000_000000000000`	37
`ge20nr130000_8b0ff7948a7d_000000000000_000000000000`	34
`ge20nn030000_bf75ddd0bb29_000000000000_000000000000`	31
`ge20nn13enus_0c2c1d640f3e_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +39 more.The fingerprint page shows the full measured match list. More on the catalog.	27

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`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.	144
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:1:0:220\|m,a,s,p` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 152.0.7977.83, +85 more.The fingerprint page shows the full measured match list. More on the catalog.	39
`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.	35
`1:65536;3:1000;4:6291456;6:262144\|15663105\|1:1:0:256\|m,a,s,p`	20
`2:0;4:4194304;5:16384;6:10485760\|1073741824\|0\|a,m,p,s` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +8 more.The fingerprint page shows the full measured match list. More on the catalog.	15
`1:65536;2:0;4:6291456;6:262144;4:1048576\|15663105\|1:0:0:256\|m,a,s,p`	14
`1:65536;2:0;4:131072;5:16384\|12517377\|1:0:0:42\|m,p,a,s`	13
`1:16384;2:0;3:0;4:16777216;5:16384;6:393216\|33488897\|0\|a,m,p,s` Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, java-httpclient 25.0.4.1, +8 more.The fingerprint page shows the full measured match list. More on the catalog.	12
`1:65536;2:0;3:1000;4:6291456;6:262144\|15663105\|1:1:0:256\|m,a,s,p`	10
`2:0;4:4194304;6:10485760\|1073741824\|0\|a,m,p,s` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.	7

TCP SYN (p0f)

fingerprint	co-occurrences
`4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	511
`4:42+22:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	184
`4:43+21:0:1410:mss*30,8:mss,sok,ts,nop,ws:df,id+:0`	140
`6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:0`	114
`4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	104
`4:43+21:0:1410:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	85
`4:46+18:0:1460:65535,9:mss,nop,nop,sok,nop,ws::0`	53
`4:43+21:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	40
`4:42+22:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:0`	31
`6:47+17:0:1440:65535,9:mss,sok,ts,nop,ws:ecn,flow:0`	20

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-4-8-1-3_1460_7`	881
`64800_2-4-8-1-3_1440_7`	163
`42300_2-4-8-1-3_1410_8`	140
`64860_2-4-8-1-3_1410_7`	97
`65535_2-1-1-4-1-3_1460_9`	53
`64240_2-4-8-1-3_1460_10`	44
`65535_2-4-8-1-3_1440_9`	30
`65535_2-1-1-4-1-3_1440_9`	18
`64800_2-4-8-1-3_1440_10`	14
`64240_2-4-8-1-3_1460_9`	14

QUIC transport params

fingerprint	co-occurrences
`q12_97eeb91f9c98` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +67 more.The fingerprint page shows the full measured match list. More on the catalog.	9
`q11_76f709dc036e` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 148.0.7778.96, chromium 147.0.7727.15.The fingerprint page shows the full measured match list. More on the catalog.	2
`q08_bae576bf37b0` 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.	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (compatible; SERankingBacklinksBot/1.0; +https://seranking.com/backlinks-crawler)`	503
`Mozilla/5.0 (compatible; DataForSeoBot/1.0; +https://dataforseo.com/dataforseo-bot)`	225
`Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)`	116
`Mozilla/5.0 (compatible; AwarioBot/1.0; +https://awario.com/bots.html)`	110
`curl/8.14.1`	31
`Mozilla/5.0 (compatible; QlyzeBot/1.0; +https://app.qlyze.io/bot)`	28
`SiteCheckerBotCrawler/1.0 (+http://sitechecker.pro)`	17
`Mozilla/5.0 (compatible; The Lounge IRC Client; +https://github.com/thelounge/thelounge) facebookexternalhit/1.1 Twitterbot/1.0`	14
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36`	12
`Mozilla/5.0 (compatible; bot)`	12

Country

fingerprint	co-occurrences
`DE` · Germany	1149
`FI` · Finland	435

TLS supported groups

fingerprint	co-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.	17
`001d,0017,0018,0019,001e,0100,0101,0102,0103,0104` Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, java-urlconnection 17.0.19, +2 more.The fingerprint page shows the full measured match list. More on the catalog.	14
`001d,0017,001e,0019,0018,0100,0101,0102,0103,0104` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog.	10
`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.	8
`0a0a,11ec,001d,0017,0018` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.	4
`11ec,001d,0017,0018,0019,0100,0101`	3
`001d,0017,001e,0019,0018`	2
`11ec,001d,0017,0018` Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.	2
`001d,0017,0018,0019` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, curl 8.7.1.The fingerprint page shows the full measured match list. More on the catalog.	2

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).

fingerprint	linked observations
`q13d0312h3_55b375c5d22e_178839b6cec1`	1
`t13d1517h2_8daaf6152771_dcad5a053991`	1