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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: Sejong-si · Clear
Snapshot 2026-03-12 Results 3 Page 1 / 1

211.213.156.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
211.213.156.0
Broadcast
211.213.156.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.5916 , 127.2916
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS9318 · SK Broadband Co Ltd
Top organization / ISP
broadNnet · SK Broadband Co Ltd
Top geo
South Korea · Sejong-si · Sejong
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

121.183.189.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.183.189.0
Broadcast
121.183.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.5916 , 127.2916
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Sejong-si · Sejong
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

116.47.9.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
116.47.9.0
Broadcast
116.47.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.5916 , 127.2916
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS17858 · LG POWERCOMM
Top organization / ISP
Xpeed · LG POWERCOMM
Top geo
South Korea · Sejong-si · Sejong
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →