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.
Search
Active filter:
Yongin-si
·
Clear
Snapshot
2026-01-20
Results
14
Page
1
/
1
121.168.136.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
121.168.136.0
Broadcast
121.168.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.1522 , 127.1752
Hits / Errors
2
hits ·
0
errors
First / Last seen
2023-07-24 18:04 · 2023-07-25 14:22
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Sudogwongangnambonbu
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-07-24 → 2023-07-31 · Updated
2026-01-14
· v2
Open report →
14.47.192.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.47.192.0
Broadcast
14.47.192.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-02 16:00 · 2024-01-02 16:00
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2024-01-01 → 2024-01-08 · Updated
2026-01-14
· v2
Open report →
222.117.242.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
222.117.242.0
Broadcast
222.117.242.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-11-15 18:35 · 2023-11-15 18:35
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Korea Telecom
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-11-13 → 2023-11-20 · Updated
2026-01-14
· v2
Open report →
175.195.222.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
175.195.222.0
Broadcast
175.195.222.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3104 , 127.0672
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-09-30 11:16 · 2023-09-30 11:16
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
— ·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-09-25 → 2023-10-02 · Updated
2026-01-14
· v2
Open report →
14.47.138.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.47.138.0
Broadcast
14.47.138.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-07-17 12:41 · 2023-07-17 12:41
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-07-17 → 2023-07-24 · Updated
2026-01-14
· v2
Open report →
211.184.39.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
211.184.39.0
Broadcast
211.184.39.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.1522 , 127.1752
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-06-19 09:28 · 2023-06-19 09:28
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
— ·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-06-19 → 2023-06-26 · Updated
2026-01-14
· v2
Open report →
220.94.228.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
220.94.228.0
Broadcast
220.94.228.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
4
hits ·
0
errors
First / Last seen
2023-07-04 00:01 · 2023-07-04 13:42
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Korea Telecom
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2023-07-03 → 2023-07-10 · Updated
2026-01-14
· v2
Open report →
118.34.160.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
118.34.160.0
Broadcast
118.34.160.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3104 , 127.0672
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-05-15 00:42 · 2025-05-15 00:42
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Sudogwongangnambonbujang
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
61.77.124.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
61.77.124.0
Broadcast
61.77.124.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-05-09 00:04 · 2025-05-11 14:17
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-05-05 → 2025-05-12 · Updated
2026-01-14
· v2
Open report →
1.238.224.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
1.238.224.0
Broadcast
1.238.224.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.298 , 127.0777
Hits / Errors
2
hits ·
1
errors
First / Last seen
2025-01-31 09:33 · 2025-01-31 09:33
Top ASN
AS9318 ·
SK Broadband Co Ltd
Top organization / ISP
SK Broadband Co Ltd
·
SK Broadband Co Ltd
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-01-27 → 2025-02-03 · Updated
2026-01-14
· v2
Open report →
221.163.212.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
221.163.212.0
Broadcast
221.163.212.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3104 , 127.0672
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-01-04 01:28 · 2025-01-04 01:28
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2024-12-30 → 2025-01-06 · Updated
2026-01-14
· v2
Open report →
103.59.156.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.59.156.0
Broadcast
103.59.156.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3291 , 127.125
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-10-22 11:18 · 2025-10-22 11:18
Top ASN
AS45971 ·
Financial Security Institute
Top organization / ISP
FSI
·
Financial Security Institute
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-10-20 → 2025-10-27 · Updated
2026-01-14
· v2
Open report →
203.210.26.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
203.210.26.0
Broadcast
203.210.26.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3307 , 127.109
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-06-27 19:31 · 2025-06-27 19:31
Top ASN
—
Top organization / ISP
Moack Co., Ltd
·
Dotname Korea Corp
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-06-23 → 2025-06-30 · Updated
2026-01-14
· v2
Open report →
125.130.43.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
125.130.43.0
Broadcast
125.130.43.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.2728 , 127.1118
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-06 13:41 · 2025-01-06 13:41
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
— ·
Korea Telecom
Top geo
South Korea
·
Gyeonggi-do
·
Yongin-si
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
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