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Interesting Subnets

Directory of active subnets observed by Syndu. Each row is the latest cached SubnetSnapshot per subnet and includes: density, traffic, geo/ASN representatives, and risk distribution.
Active filter: Hung Hom · Clear
Snapshot 2026-01-22 Results 5 Page 1 / 1

121.127.231.0/24

Risk Max — LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
121.127.231.0
Broadcast
121.127.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3097 , 114.18800000000002
Hits / Errors
25 hits · 11 errors
First / Last seen
2024-05-18 17:43 · 2024-05-18 17:44
Top ASN
AS152194 · CTG Server Limited
Top organization / ISP
Mega II · CTG Server Limited
Top geo
Hong Kong · Kowloon City · Hung Hom
Window / Updated
2024-05-13 → 2024-05-20 · Updated 2026-01-14 · v2
Open report →

202.125.195.0/24

Risk Max — LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
202.125.195.0
Broadcast
202.125.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3162 , 114.1842
Hits / Errors
20 hits · 5 errors
First / Last seen
2024-10-08 17:17 · 2024-10-08 17:30
Top ASN
AS4616 · The Hong Kong Polytechnic University
Top organization / ISP
POLYU · The Hong Kong Polytechnic University
Top geo
Hong Kong · Kowloon City · Hung Hom
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2
Open report →

42.3.74.0/24

Risk Max — LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
42.3.74.0
Broadcast
42.3.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3162 , 114.18419999999999
Hits / Errors
6 hits · 0 errors
First / Last seen
2024-09-27 09:53 · 2024-09-27 09:53
Top ASN
AS4760 · HKT Limited
Top organization / ISP
Hong Kong Telecommunications (HKT) Limited · PCCW IMS Limited
Top geo
Hong Kong · Kowloon City · Hung Hom
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2
Open report →

42.3.69.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
42.3.69.0
Broadcast
42.3.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3162 , 114.1842
Hits / Errors
5 hits · 0 errors
First / Last seen
2023-09-27 09:23 · 2023-09-27 09:23
Top ASN
AS4760 · HKT Limited
Top organization / ISP
Hong Kong Telecommunications (HKT) Limited · PCCW IMS Limited
Top geo
Hong Kong · Kowloon City · Hung Hom
Window / Updated
2023-09-25 → 2023-10-02 · Updated 2026-01-14 · v2
Open report →

138.19.72.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
138.19.72.0
Broadcast
138.19.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
22.3162 , 114.1842
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-24 17:13 · 2025-02-24 17:13
Top ASN
AS9269 · Hong Kong Broadband Network Ltd.
Top organization / ISP
Hong Kong Broadband Network Ltd · Hong Kong Broadband Network Ltd
Top geo
Hong Kong · Kowloon City · Hung Hom
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2
Open report →