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:
Gumi
·
Clear
Snapshot
2026-01-20
Results
19
Page
1
/
1
121.151.243.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
121.151.243.0
Broadcast
121.151.243.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-24 21:41 · 2024-01-24 21:41
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Korea Telecom
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2024-01-22 → 2024-01-29 · Updated
2026-01-14
· v2
Open report →
221.166.211.0/24
Risk Max
1
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
221.166.211.0
Broadcast
221.166.211.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-09-24 09:14 · 2023-09-24 09:14
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Korea Telecom
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2023-09-18 → 2023-09-25 · Updated
2026-01-14
· v2
Open report →
103.175.222.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
103.175.222.0
Broadcast
103.175.222.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-5.1971 , 119.451
Hits / Errors
4
hits ·
0
errors
First / Last seen
2025-05-23 08:15 · 2025-05-23 14:23
Top ASN
AS63859 ·
PT. Eka Mas Republik
Top organization / ISP
Myrepublic
·
PT. Eka Mas Republik
Top geo
Indonesia
·
South Sulawesi
·
Sungguminasa
Window / Updated
2025-05-19 → 2025-05-26 · Updated
2026-01-14
· v2
Open report →
210.178.97.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
76
Prefix / IP version
/24 · IPv4
Network
210.178.97.0
Broadcast
210.178.97.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
76
hits ·
0
errors
First / Last seen
2025-04-25 05:05 · 2025-04-25 05:09
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
— ·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-04-21 → 2025-04-28 · Updated
2026-01-14
· v2
Open report →
121.183.121.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
121.183.121.0
Broadcast
121.183.121.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1348 , 128.4146
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-05-18 01:12 · 2025-05-18 01:12
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-05-12 → 2025-05-19 · Updated
2026-01-14
· v2
Open report →
220.94.65.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
220.94.65.0
Broadcast
220.94.65.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1348 , 128.4146
Hits / Errors
2
hits ·
0
errors
First / Last seen
2025-04-02 07:34 · 2025-04-02 07:34
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
125.137.152.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
125.137.152.0
Broadcast
125.137.152.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
2
hits ·
0
errors
First / Last seen
2023-09-18 18:43 · 2023-09-18 18:43
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2023-09-18 → 2023-09-25 · Updated
2026-01-14
· v2
Open report →
140.213.227.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
140.213.227.0
Broadcast
140.213.227.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-5.1971 , 119.451
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-09-12 13:21 · 2025-09-12 13:21
Top ASN
AS24203 ·
PT XL Axiata
Top organization / ISP
— ·
PT Excelcomindo Pratama
Top geo
Indonesia
·
South Sulawesi
·
Sungguminasa
Window / Updated
2025-09-08 → 2025-09-15 · Updated
2026-01-14
· v2
Open report →
101.128.126.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
101.128.126.0
Broadcast
101.128.126.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-5.1971 , 119.451
Hits / Errors
1
hits ·
1
errors
First / Last seen
2025-09-12 13:16 · 2025-09-12 13:16
Top ASN
AS135478 ·
PT. Cyberindo Aditama
Top organization / ISP
— ·
CBN
Top geo
Indonesia
·
South Sulawesi
·
Sungguminasa
Window / Updated
2025-09-08 → 2025-09-15 · Updated
2026-01-14
· v2
Open report →
113.59.147.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
113.59.147.0
Broadcast
113.59.147.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-08-21 22:24 · 2025-08-21 22:24
Top ASN
AS9981 ·
Saero Network Service LTD
Top organization / ISP
HYUNDAI HCN Seronet Systems Co.Ltd
·
HYUNDAI COMMUNICATIONS & NETWORK
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-08-18 → 2025-08-25 · Updated
2026-01-14
· v2
Open report →
222.103.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
222.103.162.0
Broadcast
222.103.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-05-10 21:28 · 2025-05-10 21:28
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Korea Telecom
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-05-05 → 2025-05-12 · Updated
2026-01-14
· v2
Open report →
120.50.65.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
120.50.65.0
Broadcast
120.50.65.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1177 , 128.347
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-04-05 09:07 · 2025-04-05 09:07
Top ASN
AS9762 ·
kt HCN Co.,Ltd.
Top organization / ISP
Saero Network Service LTD
·
HYUNDAI COMMUNICATIONS & NETWORK
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-03-31 → 2025-04-07 · Updated
2026-01-14
· v2
Open report →
113.59.182.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
113.59.182.0
Broadcast
113.59.182.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-27 01:10 · 2025-01-27 01:10
Top ASN
AS9981 ·
Saero Network Service LTD
Top organization / ISP
HYUNDAI HCN Seronet Systems Co.Ltd
·
HYUNDAI COMMUNICATIONS & NETWORK
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-01-27 → 2025-02-03 · Updated
2026-01-14
· v2
Open report →
49.143.120.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
49.143.120.0
Broadcast
49.143.120.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1177 , 128.347
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-23 09:40 · 2025-01-23 09:40
Top ASN
AS9319 ·
HCN CHUNGBUK CABLE TV SYSTEMS
Top organization / ISP
HCN
·
HCN CHUNGBUK CABLE TV SYSTEMS
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-01-20 → 2025-01-27 · Updated
2026-01-14
· v2
Open report →
14.46.111.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
14.46.111.0
Broadcast
14.46.111.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2025-01-09 12:25 · 2025-01-09 12:25
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2025-01-06 → 2025-01-13 · Updated
2026-01-14
· v2
Open report →
119.56.144.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
119.56.144.0
Broadcast
119.56.144.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-12-29 16:09 · 2024-12-29 16:09
Top ASN
AS9981 ·
Saero Network Service LTD
Top organization / ISP
HYUNDAI HCN Seronet Systems Co.Ltd
·
HYUNDAI COMMUNICATIONS & NETWORK
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2024-12-23 → 2024-12-30 · Updated
2026-01-14
· v2
Open report →
222.103.94.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
222.103.94.0
Broadcast
222.103.94.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1135 , 128.343
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-10-15 10:46 · 2024-10-15 10:46
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2024-10-14 → 2024-10-21 · Updated
2026-01-14
· v2
Open report →
119.202.138.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
119.202.138.0
Broadcast
119.202.138.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1053 , 128.4155
Hits / Errors
1
hits ·
0
errors
First / Last seen
2024-01-13 18:30 · 2024-01-13 18:30
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2024-01-08 → 2024-01-15 · Updated
2026-01-14
· v2
Open report →
59.24.186.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
59.24.186.0
Broadcast
59.24.186.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
36.1348 , 128.4146
Hits / Errors
1
hits ·
0
errors
First / Last seen
2023-10-11 19:17 · 2023-10-11 19:17
Top ASN
AS4766 ·
Korea Telecom
Top organization / ISP
Kornet
·
Korea Telecom
Top geo
South Korea
·
Gyeongsangbuk-do
·
Gumi
Window / Updated
2023-10-09 → 2023-10-16 · Updated
2026-01-14
· v2
Open report →
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