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Akin HTTP request fingerprint

b11cun030_00040018_f74a6e72

Seen 2026-02-16 to 2026-10-01 across the retained window.

Open in lookup → Addresses as a feed

The feed is a URL your firewall, MISP or SIEM polls; it needs a free account so it can be revoked. Or watch the top network: AS135377 sends an email when it next hits a sensor.

564

Source IPs

7

Networks

27

Countries

2.8K

Ports hit

8.6K

Events

81

IPs / network

Top networks

AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED538 IPs8.3K
AS136907 HUAWEI CLOUDS13 IPs145
AS45102 Alibaba (US) Technology Co., Ltd.5 IPs50
AS21859 Zenlayer Inc4 IPs39
AS141679 China Telecom Beijing Tianjin Hebei Big Data Industry Park Branch2 IPs2
AS142002 Scloud Pte Ltd1 IPs17
AS16509 Amazon.com, Inc.1 IPs3

Countries

US 123HK 72JP 43KR 41TH 39DE 29GB 26IN 25TW 24NG 19

Ports targeted

587/tcp 6823/tcp 4621/tcp 4625/tcp 4018789/tcp 267547/tcp 268009/tcp 25554/tcp 2552869/tcp 2449152/tcp 2410250/tcp 248443/tcp 24

What it requests

GET/8.6K

User agents claimed

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/120.0.0.0564 IPs8.6K
Source IPCCNetwork Last seenEvents
165.154.138.33DEAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2439
152.32.183.209USAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1838
152.32.130.155HKAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1835
152.32.243.98KRAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2434
165.154.221.175VNAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1533
165.154.174.206GBAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1833
165.154.174.108GBAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1532
152.32.191.98HKAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2432
152.32.150.215USAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2432
152.32.159.79INAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1732
165.154.138.34DEAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2431
152.32.149.118USAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1831
165.154.12.127AEAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1531
152.32.233.95USAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1531
152.32.206.49USAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2431
152.32.199.112BRAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-2431
118.193.65.209GBAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1731
152.32.180.86AEAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1830
152.32.185.141HKAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1530
118.193.36.56HKAS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED2026-09-1530

Related fingerprints

Clients whose header set is within two of this one, measured from the tokens themselves.

b11cun020_00040010_724c10fb1 header apart1.4K IPs70.5Kb11cun040_0004001c_61f767741 header apart2 IPs5.4Kb10cun020_00040010_724c10fb1 header apart14 IPs1.9Kb11cun040_0004001c_cdac4f661 header apart15 IPs29b11cun030_00040014_03330a182 headers apart3.9K IPs1.4Mb11cun030_00040012_13ee3d342 headers apart5.1K IPs225.9Kb11cun050_0004001d_5cbb346f2 headers apart977 IPs168.4Kb11cun050_0004001e_a647ba7f2 headers apart26 IPs138.7K

About this fingerprint

Akin fingerprints an HTTP client from the request head alone: the protocol version, line endings, body framing, which headers are present, and the grammar of the negotiation header values. The User-Agent string and the request path are deliberately excluded, because both are trivially changed and both were measured varying within a single operator, so a scanner that rotates either keeps one fingerprint. The middle section is a presence bitmap rather than a hash, so two tokens can be compared directly to see how many headers the clients differ by.