Network (ASN)

AS17557

first seen 2026-07-06 17:52 · last seen 2026-10-31 03:44 · JSON

Last 7 days (38 observations)

Distinct clients per day (last 30 days, peak 24/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	`Pakistan Telecommunication Company Limited`
Domain	`ptcl.com.pk`

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
`t13d1515h1_8daaf6152771_de4a06bb82e3`	128
`t13d4412h1_fd39b124ee10_58ed7828516f`	126
`t13d1515h1_8daaf6152771_0a20fe35d3a5`	99
`t13d131100_f57a46bbacb6_ab7e3b40a677` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.	32
`t13d1516h1_8daaf6152771_1a63afa7c478`	21
`t13d4312h1_c7886603b240_b26ce05bbdd6`	20
`t13d1517h2_8daaf6152771_b1ff8ab2d16f`	4
`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.	3
`t13d1516h2_8daaf6152771_02713d6af862` Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.	2
`t12d190800_d83cc789557e_7af1ed941c26`	2

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn13enus_9db22d02e17a_000000000000_000000000000`	183
`ge11nn050000_b223a0ebb0b5_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.	146
`ge11nn14enus_4a2973d235de_000000000000_000000000000`	65
`ge20nr13enus_e2ac93ffb364_000000000000_000000000000`	5
`ge11nr19frfr_4e9b73ab7510_000000000000_000000000000`	4
`ge11nr18dede_45ed06ef2081_000000000000_000000000000`	3
`ge11nr17dede_021c223ca66c_000000000000_000000000000`	3
`po11nn07enus_7d361e250c48_000000000000_000000000000`	2
`ge11nr17enus_021c223ca66c_000000000000_000000000000`	2
`ge11nr19dede_4e9b73ab7510_000000000000_000000000000`	2

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.	9

TCP SYN (p0f)

fingerprint	co-occurrences
`4:51+13:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:0`	92
`4:51+13:0:1452:65535,8:mss,sok,ts,nop,ws:df,id+:0`	34
`4:51+13:0:1452:65535,10:mss,sok,ts,nop,ws:df,id+:0`	28
`4:51+13:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:0`	21
`4:52+12:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:0`	20
`4:52+12:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:0`	20
`4:52+12:0:1412:65535,8:mss,sok,ts,nop,ws:df,id+:0`	18
`4:51+13:0:1412:65535,8:mss,sok,ts,nop,ws:df,id+:0`	17
`4:52+12:0:1452:65535,8:mss,sok,ts,nop,ws:df,id+:0`	12
`4:50+14:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:0`	11

TCP SYN (JA4T)

fingerprint	co-occurrences
`65535_2-4-8-1-3_1452_6`	144
`65535_2-4-8-1-3_1452_8`	60
`65535_2-4-8-1-3_1412_6`	49
`65535_2-4-8-1-3_1412_8`	40
`65535_2-4-8-1-3_1452_10`	40
`65535_2-4-8-1-3_1452_9`	23
`65535_2-4-8-1-3_1420_8`	16
`65535_2-4-8-1-3_1412_10`	13
`65535_2-4-8-1-3_1412_9`	8
`64240_2-4-8-1-3_1452_7`	6

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36`	26
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36`	22
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36`	22
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36`	21
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36`	20
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36`	20
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36`	19
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36`	18
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36`	17
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36`	16

Country

fingerprint	co-occurrences
`PK` · Pakistan	439

TLS supported groups

fingerprint	co-occurrences
`11ec,001d,0017,0018,0019` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 158.0.1, firefox 157.0, firefox 157.0.1, +5 more.The fingerprint page shows the full measured match list. More on the catalog.	32
`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.	17
`0a0a,001d,0017,0018`	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.	1
`0a0a,6399,001d,0017,0018`	1