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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: Nantong · Clear
Snapshot 2026-03-08 Results 3 Page 1 / 1

58.221.45.0/24

Risk Max — LOW Footprint 9.766% Hits 112
Prefix / IP version
/24 · IPv4
Network
58.221.45.0
Broadcast
58.221.45.255
Observed IPs / Subnet size
25 observed · 256 total
Centroid
32.02639999999999 , 120.86470000000006
Hits / Errors
112 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS4134 · CHINANET-BACKBONE
Top organization / ISP
Chinanet JS · Chinanet
Top geo
China · Jiangsu · Nantong
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

218.91.221.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
218.91.221.0
Broadcast
218.91.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.0607 , 118.763
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS131325 · CHINATELECOM JIANGSU province NANTONG MAN network
Top organization / ISP
Chinanet JS · CHINATELECOM JIANGSU province NANTONG MAN network
Top geo
China · Jiangsu · Nanjing
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

183.212.68.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.212.68.0
Broadcast
183.212.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.0264 , 120.8647
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS56046 · China Mobile communications corporation
Top organization / ISP
China Mobile Communications Corporation · China Mobile Communications Corporation
Top geo
China · Jiangsu · Nantong
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →