Network (ASN)

AS19318

first seen 2026-06-29 23:17 · last seen 2026-09-13 07:00 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 1/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 nameInterserver, Inc
Domaininterserver.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
t13d1717h2_5b57614c22b0_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.13
q13d0315h3_55b375c5d22e_dc5437974b47 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +18 more.The fingerprint page shows the full measured match list. More on the catalog.7
t13i170900_5b57614c22b0_78e6aca7449b2
t13d1716h2_5b57614c22b0_0c27189014cf Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.2
q13d0311h3_55b375c5d22e_653d80c3fe9d Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +52 more.The fingerprint page shows the full measured match list. More on the catalog.2
t13d3513h2_bfa337485184_8d7351bd871b 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.2
t13d301100_1d37bd780c83_8e6e362c5eac2
t13d201100_2b729b4bf6f3_36bf25f296df1
t13d2013h1_2b729b4bf6f3_e24568c0d4401
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.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr11enus_187a9385d229_000000000000_0000000000007
ge20nr12enus_a72b71f519fc_000000000000_0000000000006
ge30nr10enus_d6360b5be5ba_000000000000_0000000000003
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.18.0, +9 more.The fingerprint page shows the full measured match list. More on the catalog.2
ge11nn020000_d5c75abc5c2c_000000000000_0000000000002
ge30nn12enus_120f168c5544_000000000000_0000000000002
ge20nn13enus_52a9a314672a_000000000000_0000000000001
ge20nn11enus_3901d4197baf_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 153.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge30nn11enus_7eaa533deebc_000000000000_0000000000001
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
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 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog.4
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.3
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, +7 more.The fingerprint page shows the full measured match list. More on the catalog.2
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, +8 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 155.0, firefox 154.0, +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|9:0:0:22|m,p,a,s1
1:65536;2:0;4:131072;5:16384|12517377|7:0:0:42|m,p,a,s1
1:65536;2:0;4:131072;5:16384|12517377|5:0:0:42|m,p,a,s1
1:65536;2:0;4:131072;5:16384|12517377|9:0:0:42|m,p,a,s1
1:65536;2:0;4:131072;5:16384|12517377|11:0:0:42|m,p,a,s1

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1380:mss*47,10:mss,sok,ts,nop,ws:df,id+:013
4:53+11:0:1380:mss*47,10:mss,sok,ts,nop,ws:df,id+:06
4:117+11:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:54+10:0:1360:mss*48,7:mss,sok,ts,nop,ws:df,id+:02
4:116+12:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:117+11:0:1380:27392,8:mss,sok,ts,nop,ws::01

TCP SYN (JA4T)

fingerprintco-occurrences
64860_2-4-8-1-3_1380_1019
65535_2-1-3-1-1-4_1460_83
65280_2-4-8-1-3_1360_72
27392_2-4-8-1-3_1380_81

QUIC transport params

fingerprintco-occurrences
q12_022106b74856 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog.7
q12_97eeb91f9c98 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +41 more.The fingerprint page shows the full measured match list. More on the catalog.2
q08_52ebd28059b7 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, urlsession 6.1.2, safari 26.5, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.014
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.04
Mozilla/5.0 (X11; Linux x86_64; rv:153.0) Gecko/20100101 Firefox/153.04
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Mobile Safari/537.363
libredtail-http2
curl/8.15.02
curl/8.14.11
Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) WindowsPowerShell/5.1.26100.65841
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0.1 Mobile/23A355 Safari/604.11
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.01

Country

fingerprintco-occurrences
US · United States35

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
q13d0315h3_55b375c5d22e_dc5437974b473
t13d1716h2_5b57614c22b0_0c27189014cf2
q13d0311h3_55b375c5d22e_653d80c3fe9d1
t13d1516h2_8daaf6152771_d8a2da3f94cd1
t13d1517h2_8daaf6152771_3cbfd9057e0d1