Malicious IPs in Hong Kong SAR China

IPv4 networks located in Hong Kong SAR China that are currently flagged for malicious activity, aggregated from multiple external and internal threat intelligence sources. Snapshot of (UTC), updated daily.

Flagged IPv4 networks
503
#7 of 179 countries
Per million allocated IPv4
31.2
#10 of 76 countries
Flagged IPv4 addresses
18,221
ranges count at most as a /24
Allocated IPv4 addresses
16,120,640
RIR delegation statistics

Hong Kong SAR China at a glance

Hong Kong SAR China had 503 flagged IPv4 networks in the snapshot of 2026-10-11, rank #7 of 179 countries by absolute count. Relative to its allocated IPv4 space that is 31.2 flagged networks per million addresses, rank #10 of 76, 3.3 times the median of 9.38 across all rated countries. The largest category is brute force sources with 46% of the flagged networks, followed by other malicious networks (29%). The three networks (ASNs) with the most flagged IPs hold 41% of them, led by ALIBABA-CN-NET Alibaba US Technology Co., Ltd. (AS45102).

Malicious activity in Hong Kong SAR China by category

A network listed in several categories counts once, in the most specific one.

  • Brute force sources in Hong Kong SAR China

    231 (46%)

    231 flagged networks, #9 of 162 countries for brute force sources. Sources of password guessing against SSH, mail, FTP and web logins. Brute Force Sources by Country

  • Other malicious networks in Hong Kong SAR China

    145 (29%)

    145 flagged networks, #4 of 143 countries for other malicious networks. Addresses and ranges reported as malicious without a more specific category. Other Malicious Networks by Country

  • C2 servers in Hong Kong SAR China

    76 (15%)

    76 flagged networks, #2 of 51 countries for C2 servers. Command-and-control servers, payload hosts and other attacker-run infrastructure. C2 Servers by Country

  • Scanners in Hong Kong SAR China

    19 (4%)

    19 flagged networks, #10 of 40 countries for scanners. Hosts scanning or probing services on the internet. Scanners by Country

  • Botnet hosts in Hong Kong SAR China

    16 (3%)

    16 flagged networks, #20 of 122 countries for botnet hosts. Infected hosts taking part in a botnet. Botnet Hosts by Country

  • Spam sources in Hong Kong SAR China

    16 (3%)

    16 flagged networks, #9 of 89 countries for spam sources. Sources of email spam. Spam Sources by Country

Networks with the most flagged IPs in Hong Kong SAR China

Autonomous systems announcing the flagged networks located in Hong Kong SAR China.

#NetworkFlagged networks
1AS45102ALIBABA-CN-NET Alibaba US Technology Co., Ltd.107
2AS135377UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED57
3AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation42
4AS55933CLOUDIE-AS-AP Cloudie Limited37
5AS4760HKTIMS-AP HKT Limited37
6AS152194CTGSERVERLIMITED-AS-AP CTG Server Limited25
7AS138152YISUCLOUDLTD-HK YISU CLOUD LTD11
8AS132203TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue11
9AS24544LAWSCLOUDINFRASTRUCTURELIMITED-AS-HK Laws Cloud Infrastructure Limited8
10AS400619AROSS-AS - AROSSCLOUD INC.7

Compare Hong Kong SAR China with other countries

Ranked by flagged networks per million allocated IPv4 addresses.

Countries ranked next to Hong Kong SAR China by rate

#CountryNetworksPer million
8Sri Lanka2442.6
9India1,56937.3
10Hong Kong SAR China50331.2
11Jordan2030.9
12Azerbaijan2430.0
13Uganda3725.9

Questions about Hong Kong SAR China

How many malicious IP addresses are there in Hong Kong SAR China?
On 2026-10-11, 503 IPv4 networks (/24 blocks) located in Hong Kong SAR China were flagged for malicious activity, with 18,221 listed IPv4 addresses. Each /24 counts once, however many of its addresses are listed.
Which networks in Hong Kong SAR China host the most flagged IPs?
ALIBABA-CN-NET Alibaba US Technology Co., Ltd. (AS45102, 107 networks), UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED (AS135377, 57 networks), MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation (AS8075, 42 networks). Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Query this data per IP via the API

Look up threat categories, reputation score, ASN and geolocation for any address in Hong Kong SAR China or anywhere else with one API call.