Network (ASN)

AS135377

first seen 2026-06-12 05:09 · last seen 2026-09-15 09:00 · JSON

Last 7 days (9 observations)

Distinct clients per day (last 30 days, peak 6/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	`UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED`
Domain	`ucloud.cn`

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
`t13d191000_9dc949149365_e7c285222651`	75
`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.	60
`t13d251000_b78ed14e2fd0_e7c285222651`	51
`t13d1911h2_9dc949149365_e7c285222651` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog.	13
`t13i170900_5b57614c22b0_78e6aca7449b`	6
`t13i130900_f57a46bbacb6_e7c285222651`	4
`t13d1812h1_85036bcba153_b26ce05bbdd6`	1

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn040000_8391bea91fb6_000000000000_000000000000`	52
`ge11nr050000_57c5e92682a8_000000000000_000000000000`	51
`ge11nr050000_3658ef221638_000000000000_000000000000`	28
`ge11nr05zhcn_f3bb7aa45ec4_000000000000_000000000000`	26
`ge11nn030000_0db47b7d240d_000000000000_000000000000`	14
`ge11nr05zhcn_813e32c09d15_000000000000_000000000000`	6
`ge11nn030000_32287c24fa5b_000000000000_000000000000`	6
`ge20nn04zhcn_4bdba6e1e609_000000000000_000000000000`	5
`ge20nn04zhcn_6e6dd1d8c348_000000000000_000000000000`	5
`ge11nr030000_0db47b7d240d_000000000000_000000000000`	3

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`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.	13

TCP SYN (p0f)

fingerprint	co-occurrences
`4:49+15:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	41
`4:44+20:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	27
`4:43+21:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	20
`4:45+19:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	14
`4:46+18:0:1412:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	12
`4:46+18:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	11
`4:47+17:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	11
`4:40+24:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	10
`4:48+16:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	10
`4:50+14:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:0`	10

TCP SYN (JA4T)

fingerprint	co-occurrences
`64952_2-4-8-1-3_1412_7`	139
`32476_2-4-8-1-3_1412_7`	14
`64240_2-4-8-1-3_1412_7`	14
`1412_2-4-8-1-3_1412_9`	12
`64952_2-4-8-1-3_1412_8`	3

User-Agent

fingerprint	co-occurrences
`Go-http-client/1.1`	46
`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 Edg/120.0.0.0`	35
`Mozilla/5.0 (compatible; foda-scanner/0.1)`	14
`Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0`	14
`Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36`	13
`curl/7.29.0`	6
`libredtail-http`	6
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36`	2
`Mozilla/5.0 (Macintosh; Intel Mac OS X 8_2_1) AppleWebKit/559.52 (KHTML, like Gecko) Chrome/93.0.2915 Safari/537.36`	1
`Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/560.42 (KHTML, like Gecko) Chrome/93.0.756 Safari/537.36`	1

Country

fingerprint	co-occurrences
`HK` · Hong Kong SAR China	84
`US` · United States	80
`TH` · Thailand	21
`GB` · United Kingdom	9
`JP` · Japan	6
`RU` · Russia	3
`DE` · Germany	3
`NG` · Nigeria	2
`TW` · Taiwan	1
`SG` · Singapore	1