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

211.188.55.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
211.188.55.0
Broadcast
211.188.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0185 , 126.795
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS135354 · NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.
Top organization / ISP
NAVER Cloud Corp. · Naver Business Platform Asia Pacific Pte. Ltd.
Top geo
South Korea · Jeollanam-do · Naju
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

221.156.91.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
221.156.91.0
Broadcast
221.156.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.8311 , 126.0987
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · Jeollanam-do · Sinan
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

223.39.217.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
223.39.217.0
Broadcast
223.39.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.5711 , 126.599
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS9644 · SK Telecom
Top organization / ISP
SK Telecom · SK Telecom
Top geo
South Korea · Jeollanam-do · Haenam
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

210.192.94.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
210.192.94.0
Broadcast
210.192.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0185 , 126.795
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS17577 · LG HelloVision Corp.
Top organization / ISP
LG Hellovision Corp. · LG HelloVision Corp.
Top geo
South Korea · Jeollanam-do · Naju
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

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 →

123.200.76.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
123.200.76.0
Broadcast
123.200.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.8133 , 126.3874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS38121 · LG HelloVision Corp.
Top organization / ISP
HVHonam · LG HelloVision Corp
Top geo
South Korea · Jeollanam-do · Mokpo
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 →