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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: Tianjij,300000 · Clear
Snapshot 2026-03-08 Results 3 Page 1 / 1

42.81.143.0/24

Risk Max 3 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
42.81.143.0
Broadcast
42.81.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0851 , 117.199
Hits / Errors
4 hits · 3 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS58542 · Tianjij,300000
Top organization / ISP
Chinanet TJ · Tianjij,
Top geo
China · Tianjin · Youyilu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

42.81.251.0/24

Risk Max — LOW Footprint 3.906% Hits 449
Prefix / IP version
/24 · IPv4
Network
42.81.251.0
Broadcast
42.81.251.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
39.0851 , 117.19900000000003
Hits / Errors
449 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS58542 · Tianjij,300000
Top organization / ISP
Chinanet TJ · Tianjij,
Top geo
China · Tianjin · Youyilu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

42.81.252.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
42.81.252.0
Broadcast
42.81.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0851 , 117.199
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS58542 · Tianjij,300000
Top organization / ISP
Chinanet TJ · Tianjij,
Top geo
China · Tianjin · Youyilu
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →