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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: Hangzhou Alibaba Advertising Co., Ltd. · Clear
Snapshot 2026-03-19 Results — Page 1 / 1

120.27.150.0/24

Risk Max — LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
120.27.150.0
Broadcast
120.27.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Zhejiang · Hangzhou
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

121.43.54.0/24

Risk Max — LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
121.43.54.0
Broadcast
121.43.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
7 hits · 4 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Zhejiang · Hangzhou
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

121.43.119.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
121.43.119.0
Broadcast
121.43.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Zhejiang · Hangzhou
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

121.43.125.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.43.125.0
Broadcast
121.43.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Zhejiang · Hangzhou
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

121.43.116.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.43.116.0
Broadcast
121.43.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Zhejiang · Hangzhou
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →