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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: China Unicom Shandong Province Network · Clear
Snapshot 2026-03-19 Results — Page 1 / 1

39.91.200.0/24

Risk Max — LOW Footprint 4.688% Hits 83
Prefix / IP version
/24 · IPv4
Network
39.91.200.0
Broadcast
39.91.200.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
36.651799999999994 , 117.11999999999999
Hits / Errors
83 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-10 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · China Unicom Shandong Province Network
Top geo
China · Shandong · Jinan
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

39.91.140.0/24

Risk Max — LOW Footprint 1.562% Hits 29
Prefix / IP version
/24 · IPv4
Network
39.91.140.0
Broadcast
39.91.140.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
36.6518 , 117.12
Hits / Errors
29 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · China Unicom Shandong Province Network
Top geo
China · Shandong · Jinan
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

39.70.1.0/24

Risk Max — LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
39.70.1.0
Broadcast
39.70.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6518 , 117.12
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · China Unicom Shandong Province Network
Top geo
China · Shandong · Jinan
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

39.75.159.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
39.75.159.0
Broadcast
39.75.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7906 , 118.0633
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS4837 · CHINA UNICOM China169 Backbone
Top organization / ISP
— · China Unicom Shandong Province Network
Top geo
China · Shandong · Zibo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →