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

221.199.73.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
221.199.73.0
Broadcast
221.199.73.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.5003 , 105.197
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNC Group CHINA169 Ningxia Province Network
Top geo
China · Ningxia · Zhongwei
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

221.11.252.0/24

Risk Max — LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
221.11.252.0
Broadcast
221.11.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.2635 , 108.9246
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · CNC Group CHINA169 Ningxia Province Network
Top geo
China · Shaanxi · Xi'an
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

14.135.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.135.74.0
Broadcast
14.135.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.4712 , 106.259
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS4134 · CHINANET-BACKBONE
Top organization / ISP
Chinanet NX · Chinanet
Top geo
China · Ningxia · Yinchuan
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →