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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: Alibaba.com LLC · Clear
Snapshot 2026-01-20 Results 647 Page 17 / 17

47.90.138.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
47.90.138.0
Broadcast
47.90.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4316 , -78.6569
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-12-01 09:17 · 2023-12-01 09:17
Top ASN
AS45102 · Alibaba (US) Technology Co., Ltd.
Top organization / ISP
ALICLOUD-US · Alibaba.com LLC
Top geo
United States · Virginia · Charlottesville
Window / Updated
2023-11-27 → 2023-12-04 · Updated 2026-01-14 · v2
Open report →

8.134.143.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
8.134.143.0
Broadcast
8.134.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
23.1181 , 113.2539
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-29 18:36 · 2023-10-29 18:36
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Guangdong · Guangzhou
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2
Open report →

47.245.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
47.245.123.0
Broadcast
47.245.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.35208 , 103.82
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-16 19:19 · 2023-09-16 19:19
Top ASN
AS45102 · Alibaba (US) Technology Co., Ltd.
Top organization / ISP
Alibaba.com LLC · Alibaba (US) Technology Co., Ltd.
Top geo
Singapore · North West · Singapore
Window / Updated
2023-09-11 → 2023-09-18 · Updated 2026-01-14 · v2
Open report →

8.140.172.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
8.140.172.0
Broadcast
8.140.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-16 15:56 · 2023-09-16 15:56
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Beijing · Beijing
Window / Updated
2023-09-11 → 2023-09-18 · Updated 2026-01-14 · v2
Open report →

8.140.21.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
8.140.21.0
Broadcast
8.140.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.911 , 116.395
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-19 22:13 · 2023-07-19 22:13
Top ASN
AS37963 · Hangzhou Alibaba Advertising Co.,Ltd.
Top organization / ISP
Alibaba.com LLC · Hangzhou Alibaba Advertising Co., Ltd.
Top geo
China · Beijing · Beijing
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2
Open report →

121.40.128.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.40.128.0
Broadcast
121.40.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-18 11:00 · 2023-07-18 11:00
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
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2
Open report →

121.40.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.40.219.0
Broadcast
121.40.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.2943 , 120.1663
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-16 12:36 · 2023-06-16 12:36
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
2023-06-12 → 2023-06-19 · Updated 2026-01-14 · v2
Open report →
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