Network (ASN)

AS135377

first seen 2026-06-12 05:09 · last seen 2026-10-30 21:26 · JSON

Last 7 days (9 observations)

Distinct clients per day (last 30 days, peak 5/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 nameUCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
Domainucloud.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)

fingerprintco-occurrences
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.107
t13d191000_9dc949149365_e7c28522265192
t13d251000_b78ed14e2fd0_e7c28522265163
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.26
t13i170900_5b57614c22b0_78e6aca7449b17
t13d1812h1_85036bcba153_b26ce05bbdd69
t13i130900_f57a46bbacb6_e7c2852226514
t13d3013h2_1d37bd780c83_8537cf56674e3
t13d1912h2_9dc949149365_e5728521abd43
t13d190900_9dc949149365_97f8aa674fd91

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr05zhcn_f3bb7aa45ec4_000000000000_00000000000066
ge11nn040000_8391bea91fb6_000000000000_00000000000063
ge11nr050000_57c5e92682a8_000000000000_00000000000063
ge11nr050000_3658ef221638_000000000000_00000000000032
ge11nn030000_0db47b7d240d_000000000000_00000000000014
ge11nn030000_32287c24fa5b_000000000000_00000000000012
ge20nn04zhcn_4bdba6e1e609_000000000000_00000000000012
ge20nn04zhcn_6e6dd1d8c348_000000000000_0000000000008
ge11nr05zhcn_813e32c09d15_000000000000_0000000000006
ge11nr06zh00_fb4afd1f380a_000000000000_0000000000006

HTTP/2 frames (Akamai)

fingerprintco-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.29
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.3

TCP SYN (p0f)

fingerprintco-occurrences
4:49+15:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:053
4:44+20:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:032
4:43+21:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:029
4:45+19:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:023
4:46+18:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:019
4:48+16:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:017
4:47+17:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:017
4:46+18:0:1412:mss*44,7:mss,sok,ts,nop,ws:df,id+:016
4:50+14:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:013
4:46+18:0:1412:mss*23,7:mss,sok,ts,nop,ws:df,id+:012

TCP SYN (JA4T)

fingerprintco-occurrences
64952_2-4-8-1-3_1412_7203
32476_2-4-8-1-3_1412_737
1412_2-4-8-1-3_1412_928
64240_2-4-8-1-3_1412_718
64952_2-4-8-1-3_1412_87
32120_2-4-8-1-3_1412_72
65535_2-4-8-1-3_1412_111
28240_2-4-8-1-3_1412_71

User-Agent

fingerprintco-occurrences
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/120.0.0.078
Go-http-client/1.152
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.3629
libredtail-http17
Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.014
Mozilla/5.0 (compatible; foda-scanner/0.1)14
curl/7.29.012
Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/534.15 (KHTML, like Gecko) Chrome/10.0.613.0 Safari/534.154
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.363
curl/8.14.13

Country

fingerprintco-occurrences
HK · Hong Kong SAR China128
US · United States116
TH · Thailand25
JP · Japan12
GB · United Kingdom11
RU · Russia5
TW · Taiwan5
DE · Germany4
SG · Singapore4
KR · South Korea4

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 157.0.1, firefox-esr 153.5.1esr, firefox 158.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.21
001d,0017,0018,0019 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.6
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.5
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog.5
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.22.1, python-httpx 0.28.1, python-requests 2.34.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3