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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: Suncheon · Clear
Snapshot 2026-03-19 Results — Page 1 / 1

121.179.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.179.204.0
Broadcast
121.179.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.9785 , 127.4851
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Kornet · Korea Telecom
Top geo
South Korea · Jeollanam-do · Suncheon
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

221.156.109.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
221.156.109.0
Broadcast
221.156.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.9716 , 127.461
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Jeollanam-do · Suncheon-si
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →