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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: Cheongju-si · Clear
Snapshot 2026-03-07 Results 6 Page 1 / 1

121.188.116.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
121.188.116.0
Broadcast
121.188.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6378 , 127.48380000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Chungbukbonbujang · Korea Telecom
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

218.159.6.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
218.159.6.0
Broadcast
218.159.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6378 , 127.48380000000002
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Korea Telecom · Korea Telecom
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

116.33.125.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
116.33.125.0
Broadcast
116.33.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6378 , 127.4838
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS17858 · LG POWERCOMM
Top organization / ISP
Xpeed · LG POWERCOMM
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

211.230.238.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
211.230.238.0
Broadcast
211.230.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6387 , 127.4702
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Kornet · Korea Telecom
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

1.246.21.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
1.246.21.0
Broadcast
1.246.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6258 , 127.458
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS9318 · SK Broadband Co Ltd
Top organization / ISP
broadNnet · SK Broadband Co Ltd
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

1.248.54.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
1.248.54.0
Broadcast
1.248.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6378 , 127.4838
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS9318 · SK Broadband Co Ltd
Top organization / ISP
broadNnet · SK Broadband Co Ltd
Top geo
South Korea · North Chungcheong · Cheongju-si
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →