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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: Yeosu · Clear
Snapshot 2026-01-21 Results 4 Page 1 / 1

121.149.208.0/24

Risk Max 1 LOW Footprint 0.391% Hits 23
Prefix / IP version
/24 · IPv4
Network
121.149.208.0
Broadcast
121.149.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.7566 , 127.6626
Hits / Errors
23 hits · 0 errors
First / Last seen
2024-02-06 23:52 · 2024-02-06 23:52
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Jeollanam-do · Yeosu
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2
Open report →

121.149.181.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
121.149.181.0
Broadcast
121.149.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.7566 , 127.6626
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-14 10:52 · 2025-05-14 10:52
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Jeonnambonbujang · Korea Telecom
Top geo
South Korea · Jeollanam-do · Yeosu
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2
Open report →

211.198.160.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
211.198.160.0
Broadcast
211.198.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.7566 , 127.6626
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-23 19:05 · 2025-03-23 19:05
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Kornet · Korea Telecom
Top geo
South Korea · Jeollanam-do · Yeosu
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2
Open report →

125.136.208.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
125.136.208.0
Broadcast
125.136.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.7566 , 127.6626
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-10-28 13:25 · 2024-10-28 13:25
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Jeollanam-do · Yeosu
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →