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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: Ansan-si · Clear
Snapshot 2026-01-25 Results 3 Page 1 / 1

121.139.168.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.139.168.0
Broadcast
121.139.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2852 , 126.8251
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-23 21:04 · 2023-09-23 21:04
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Sudogwonseobubonbu · Korea Telecom
Top geo
South Korea · Gyeonggi-do · Ansan-si
Window / Updated
2023-09-18 → 2023-09-25 · Updated 2026-01-14 · v2
Open report →

220.74.77.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
220.74.77.0
Broadcast
220.74.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2855 , 126.8534
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-21 23:16 · 2025-02-21 23:16
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Gyeonggi-do · Ansan-si
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
Open report →

119.195.202.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
119.195.202.0
Broadcast
119.195.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3231 , 126.8412
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-12-27 01:19 · 2024-12-27 01:19
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Sudogwonseobubonbu · Korea Telecom
Top geo
South Korea · Gyeonggi-do · Ansan-si
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2
Open report →