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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.

121.144.34.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.144.34.0
Broadcast
121.144.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1513 , 129.1203
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
— · Korea Telecom
Top geo
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

121.174.105.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.174.105.0
Broadcast
121.174.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1659 , 129.0542
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-07 13:19 · 2023-11-07 13:19
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

115.95.10.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
115.95.10.0
Broadcast
115.95.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1025 , 129.0394
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-02 12:23 · 2023-11-02 12:23
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

218.154.220.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
218.154.220.0
Broadcast
218.154.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2109 , 128.1122
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-22 14:48 · 2023-09-22 14:48
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-09-18 → 2023-09-25 · Updated 2026-01-14 · v2

119.198.247.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
119.198.247.0
Broadcast
119.198.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1995 , 129.0799
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-25 09:08 · 2023-07-25 09:08
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

222.96.224.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
222.96.224.0
Broadcast
222.96.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1659 , 129.0542
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-30 05:14 · 2023-06-30 05:14
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-06-26 → 2023-07-03 · Updated 2026-01-14 · v2

49.142.109.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
49.142.109.0
Broadcast
49.142.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4873 , 126.9227
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-06-21 10:46 · 2023-06-21 10:46
Top ASN
AS9762 · kt HCN Co.,Ltd.
Top geo
Window / Updated
2023-06-19 → 2023-06-26 · Updated 2026-01-14 · v2

40.94.227.0/24

Risk Max LOW Footprint 5.078% Hits 31
Prefix / IP version
/24 · IPv4
Network
40.94.227.0
Broadcast
40.94.227.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
35.17949999999999 , 129.07560000000004
Hits / Errors
31 hits · 1 errors
First / Last seen
2023-12-17 21:44 · 2023-12-17 21:44
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

211.220.63.0/24

Risk Max LOW Footprint 0.391% Hits 44
Prefix / IP version
/24 · IPv4
Network
211.220.63.0
Broadcast
211.220.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1682 , 128.9796
Hits / Errors
44 hits · 0 errors
First / Last seen
2025-07-02 08:09 · 2025-07-02 08:10
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

121.145.223.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
121.145.223.0
Broadcast
121.145.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1266 , 129.0299
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-03-24 16:55 · 2025-03-24 17:58
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

182.221.14.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
182.221.14.0
Broadcast
182.221.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1995 , 129.0799
Hits / Errors
17 hits · 2 errors
First / Last seen
2024-04-25 00:09 · 2024-04-25 08:57
Top ASN
AS17858 · LG POWERCOMM
Top organization / ISP
Top geo
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

58.126.224.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
58.126.224.0
Broadcast
58.126.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1469 , 129.0381
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-13 20:25 · 2025-04-13 20:47
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

210.119.101.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
210.119.101.0
Broadcast
210.119.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1651 , 129.028
Hits / Errors
15 hits · 0 errors
First / Last seen
2024-09-27 17:46 · 2024-09-27 17:49
Top ASN
AS1237 · KISTI
Top organization / ISP
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

211.213.196.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
211.213.196.0
Broadcast
211.213.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1271 , 129.1008
Hits / Errors
15 hits · 0 errors
First / Last seen
2024-09-25 08:59 · 2024-09-25 09:01
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

61.76.46.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
61.76.46.0
Broadcast
61.76.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.0763 , 129.0608
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-05-23 09:29 · 2024-05-23 09:29
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

59.20.229.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
59.20.229.0
Broadcast
59.20.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1231 , 129.0184
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-09-09 14:15 · 2024-09-09 14:15
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2024-09-09 → 2024-09-16 · Updated 2026-01-14 · v2

221.167.137.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
221.167.137.0
Broadcast
221.167.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1692 , 129.1738
Hits / Errors
10 hits · 0 errors
First / Last seen
2024-10-12 11:36 · 2024-10-12 11:39
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

52.231.204.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
52.231.204.0
Broadcast
52.231.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1796 , 129.0756
Hits / Errors
7 hits · 1 errors
First / Last seen
2024-04-27 19:06 · 2024-04-27 19:06
Top ASN
Top geo
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

20.200.185.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
20.200.185.0
Broadcast
20.200.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1796 , 129.0756
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-08-01 06:36 · 2025-08-01 06:36
Top ASN
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

104.47.26.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
104.47.26.0
Broadcast
104.47.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1795 , 129.0756
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-11-13 09:06 · 2024-11-14 15:26
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

36.38.212.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
36.38.212.0
Broadcast
36.38.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1691 , 129.177
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-12 12:51 · 2025-05-12 12:51
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

61.76.234.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
61.76.234.0
Broadcast
61.76.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1025 , 129.0394
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-06 11:09 · 2025-05-09 22:20
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

59.21.5.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
59.21.5.0
Broadcast
59.21.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1996 , 128.9874
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-02-23 14:18 · 2025-02-23 21:18
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

221.152.235.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
221.152.235.0
Broadcast
221.152.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1996 , 128.9874
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-01-24 01:33 · 2025-01-24 01:33
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

121.144.6.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
121.144.6.0
Broadcast
121.144.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1513 , 129.1203
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-01-15 11:26 · 2025-01-15 11:26
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

211.104.233.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
211.104.233.0
Broadcast
211.104.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1513 , 129.1203
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-01-06 14:45 · 2025-01-09 18:52
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

1.177.162.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
1.177.162.0
Broadcast
1.177.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1692 , 129.1738
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-09-14 06:14 · 2024-09-14 06:14
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-09-09 → 2024-09-16 · Updated 2026-01-14 · v2

113.131.183.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
113.131.183.0
Broadcast
113.131.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1692 , 129.1738
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-12-30 17:57 · 2023-12-30 17:57
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

121.174.189.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.174.189.0
Broadcast
121.174.189.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1025 , 129.0394
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-22 09:20 · 2025-05-22 09:20
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

61.76.151.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
61.76.151.0
Broadcast
61.76.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1469 , 129.0381
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-11 04:40 · 2025-05-11 04:40
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

121.177.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.177.30.0
Broadcast
121.177.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1298 , 128.737
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-11 01:09 · 2025-05-11 01:09
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

183.103.32.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.103.32.0
Broadcast
183.103.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1362 , 129.0783
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-11 00:15 · 2025-05-11 00:15
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

203.228.110.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
203.228.110.0
Broadcast
203.228.110.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2236 , 129.0098
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 01:00 · 2025-05-06 01:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

59.22.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
59.22.30.0
Broadcast
59.22.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2582 , 129.0948
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-05 05:25 · 2025-04-05 05:25
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

220.119.223.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.119.223.0
Broadcast
220.119.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1995 , 129.0799
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-20 12:23 · 2025-03-20 12:23
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

42.82.95.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
42.82.95.0
Broadcast
42.82.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1543 , 129.065
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-09 15:15 · 2025-03-09 15:15
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

211.197.139.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
211.197.139.0
Broadcast
211.197.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1692 , 129.1738
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-06 19:03 · 2025-03-06 19:03
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
— · Korea Telecom
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

1.176.238.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
1.176.238.0
Broadcast
1.176.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1995 , 129.0799
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-02 08:10 · 2025-03-02 08:10
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

112.162.218.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
112.162.218.0
Broadcast
112.162.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1659 , 129.0542
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-28 17:14 · 2025-02-28 17:14
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

14.49.116.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.49.116.0
Broadcast
14.49.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1025 , 129.0394
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-23 06:11 · 2025-02-23 06:11
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
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