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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.

43.201.96.0/24

Risk Max 25 LOW Footprint 0.391% Hits 81
Prefix / IP version
/24 · IPv4
Network
43.201.96.0
Broadcast
43.201.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.97799999999998
Hits / Errors
81 hits · 49 errors
First / Last seen
2025-11-15 21:57 · 2025-11-15 21:58
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-11-10 → 2025-11-17 · Updated 2026-01-14 · v2

43.155.181.0/24

Risk Max 22 LOW Footprint 0.391% Hits 1756
Prefix / IP version
/24 · IPv4
Network
43.155.181.0
Broadcast
43.155.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
1756 hits · 0 errors
First / Last seen
2024-06-05 21:48 · 2024-06-08 22:16
Top geo
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

121.141.64.0/24

Risk Max 14 LOW Footprint 0.391% Hits 96
Prefix / IP version
/24 · IPv4
Network
121.141.64.0
Broadcast
121.141.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.504 , 126.87169999999999
Hits / Errors
96 hits · 88 errors
First / Last seen
2025-03-21 02:07 · 2025-03-21 02:08
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

211.105.223.0/24

Risk Max 13 LOW Footprint 0.391% Hits 84
Prefix / IP version
/24 · IPv4
Network
211.105.223.0
Broadcast
211.105.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5003 , 126.95650000000002
Hits / Errors
84 hits · 82 errors
First / Last seen
2025-05-13 10:24 · 2025-05-13 10:32
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

8.220.201.0/24

Risk Max 9 LOW Footprint 0.391% Hits 48
Prefix / IP version
/24 · IPv4
Network
8.220.201.0
Broadcast
8.220.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
48 hits · 44 errors
First / Last seen
2024-11-16 08:20 · 2024-11-16 08:22
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

43.201.9.0/24

Risk Max 9 LOW Footprint 0.391% Hits 47
Prefix / IP version
/24 · IPv4
Network
43.201.9.0
Broadcast
43.201.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
47 hits · 44 errors
First / Last seen
2024-11-10 10:20 · 2024-11-10 10:22
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

8.220.210.0/24

Risk Max 9 LOW Footprint 0.391% Hits 47
Prefix / IP version
/24 · IPv4
Network
8.220.210.0
Broadcast
8.220.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
47 hits · 43 errors
First / Last seen
2024-10-09 09:04 · 2024-10-09 09:07
Top geo
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

8.220.218.0/24

Risk Max 9 LOW Footprint 0.391% Hits 47
Prefix / IP version
/24 · IPv4
Network
8.220.218.0
Broadcast
8.220.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
47 hits · 43 errors
First / Last seen
2024-09-28 21:27 · 2024-09-28 21:30
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

43.133.242.0/24

Risk Max 4 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
43.133.242.0
Broadcast
43.133.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
5 hits · 2 errors
First / Last seen
2025-09-26 12:12 · 2025-09-26 12:12
Top geo
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

84.247.102.0/24

Risk Max 3 LOW Footprint 0.781% Hits 38
Prefix / IP version
/24 · IPv4
Network
84.247.102.0
Broadcast
84.247.102.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
38 hits · 15 errors
First / Last seen
2023-12-18 15:49 · 2023-12-19 15:34
Top ASN
AS137409 · GSL Networks Pty LTD
Top geo
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2

4.230.44.0/24

Risk Max 3 LOW Footprint 0.391% Hits 166
Prefix / IP version
/24 · IPv4
Network
4.230.44.0
Broadcast
4.230.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
166 hits · 0 errors
First / Last seen
2025-09-21 13:20 · 2025-09-21 13:38
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

123.143.12.0/24

Risk Max 3 LOW Footprint 0.391% Hits 45
Prefix / IP version
/24 · IPv4
Network
123.143.12.0
Broadcast
123.143.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5108 , 127.10479999999998
Hits / Errors
45 hits · 0 errors
First / Last seen
2025-03-03 21:25 · 2025-03-03 21:25
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

150.109.234.0/24

Risk Max 3 LOW Footprint 0.391% Hits 45
Prefix / IP version
/24 · IPv4
Network
150.109.234.0
Broadcast
150.109.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.97799999999998
Hits / Errors
45 hits · 0 errors
First / Last seen
2024-02-11 15:27 · 2024-02-11 15:28
Top organization / ISP
Top geo
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2

218.145.61.0/24

Risk Max 3 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
218.145.61.0
Broadcast
218.145.61.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4909 , 127.0452
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-04-18 07:41 · 2024-04-18 07:41
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2

52.78.247.0/24

Risk Max 2 LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
52.78.247.0
Broadcast
52.78.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
16 hits · 8 errors
First / Last seen
2023-11-15 03:00 · 2023-11-15 03:02
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

61.75.60.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
61.75.60.0
Broadcast
61.75.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4873 , 126.9227
Hits / Errors
6 hits · 4 errors
First / Last seen
2025-01-11 21:57 · 2025-01-11 21:57
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

211.245.254.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
211.245.254.0
Broadcast
211.245.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.536 , 127.1426
Hits / Errors
6 hits · 4 errors
First / Last seen
2024-12-26 22:54 · 2024-12-26 22:54
Top ASN
AS38123 · asan medical center
Top organization / ISP
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

166.104.53.0/24

Risk Max 2 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
166.104.53.0
Broadcast
166.104.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5511 , 127.0387
Hits / Errors
6 hits · 4 errors
First / Last seen
2024-12-26 05:58 · 2024-12-26 05:58
Top ASN
AS9321 · Hanyang University
Top organization / ISP
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

64.176.228.0/24

Risk Max 2 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
64.176.228.0
Broadcast
64.176.228.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5646 , 126.9223
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-09-28 18:53 · 2024-09-28 18:53
Top ASN
Top geo
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

20.39.202.0/24

Risk Max 1 LOW Footprint 0.781% Hits 118
Prefix / IP version
/24 · IPv4
Network
20.39.202.0
Broadcast
20.39.202.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
118 hits · 0 errors
First / Last seen
2025-09-15 21:21 · 2025-09-16 04:05
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

43.202.60.0/24

Risk Max 1 LOW Footprint 0.391% Hits 336
Prefix / IP version
/24 · IPv4
Network
43.202.60.0
Broadcast
43.202.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
336 hits · 0 errors
First / Last seen
2025-02-20 05:33 · 2025-02-20 05:33
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

20.41.86.0/24

Risk Max 1 LOW Footprint 0.391% Hits 114
Prefix / IP version
/24 · IPv4
Network
20.41.86.0
Broadcast
20.41.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
114 hits · 0 errors
First / Last seen
2025-09-18 02:19 · 2025-09-18 02:19
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

4.217.254.0/24

Risk Max 1 LOW Footprint 0.391% Hits 101
Prefix / IP version
/24 · IPv4
Network
4.217.254.0
Broadcast
4.217.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.97800000000001
Hits / Errors
101 hits · 0 errors
First / Last seen
2025-09-15 21:45 · 2025-09-15 21:45
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

20.39.203.0/24

Risk Max 1 LOW Footprint 0.391% Hits 101
Prefix / IP version
/24 · IPv4
Network
20.39.203.0
Broadcast
20.39.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.97800000000001
Hits / Errors
101 hits · 0 errors
First / Last seen
2025-09-15 21:24 · 2025-09-15 21:24
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

52.231.103.0/24

Risk Max 1 LOW Footprint 0.391% Hits 91
Prefix / IP version
/24 · IPv4
Network
52.231.103.0
Broadcast
52.231.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
91 hits · 0 errors
First / Last seen
2025-09-17 16:06 · 2025-09-17 16:07
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

52.231.97.0/24

Risk Max 1 LOW Footprint 0.391% Hits 91
Prefix / IP version
/24 · IPv4
Network
52.231.97.0
Broadcast
52.231.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
91 hits · 0 errors
First / Last seen
2025-09-17 12:13 · 2025-09-17 12:13
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

20.39.207.0/24

Risk Max 1 LOW Footprint 0.391% Hits 86
Prefix / IP version
/24 · IPv4
Network
20.39.207.0
Broadcast
20.39.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.97800000000001
Hits / Errors
86 hits · 0 errors
First / Last seen
2025-09-14 21:33 · 2025-09-14 21:33
Top ASN
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

52.231.100.0/24

Risk Max 1 LOW Footprint 0.391% Hits 54
Prefix / IP version
/24 · IPv4
Network
52.231.100.0
Broadcast
52.231.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
54 hits · 26 errors
First / Last seen
2025-08-23 10:47 · 2025-08-23 10:52
Top ASN
Top geo
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2

27.255.64.0/24

Risk Max 1 LOW Footprint 0.391% Hits 32
Prefix / IP version
/24 · IPv4
Network
27.255.64.0
Broadcast
27.255.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4759 , 126.884
Hits / Errors
32 hits · 28 errors
First / Last seen
2024-12-08 22:59 · 2024-12-08 23:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

150.109.237.0/24

Risk Max 1 LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
150.109.237.0
Broadcast
150.109.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
31 hits · 11 errors
First / Last seen
2024-04-16 13:43 · 2024-04-18 05:44
Top organization / ISP
Top geo
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2

106.248.241.0/24

Risk Max 1 LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
106.248.241.0
Broadcast
106.248.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5438 , 126.8538
Hits / Errors
16 hits · 8 errors
First / Last seen
2024-12-19 12:38 · 2024-12-19 15:32
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

43.133.65.0/24

Risk Max 1 LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
43.133.65.0
Broadcast
43.133.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
15 hits · 5 errors
First / Last seen
2023-12-17 11:05 · 2023-12-17 11:06
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

152.70.90.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
152.70.90.0
Broadcast
152.70.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5985 , 126.9783
Hits / Errors
8 hits · 4 errors
First / Last seen
2024-02-11 19:52 · 2024-02-11 19:52
Top ASN
AS31898 · Oracle Corporation
Top geo
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2

20.39.187.0/24

Risk Max 1 LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
20.39.187.0
Broadcast
20.39.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.978
Hits / Errors
7 hits · 3 errors
First / Last seen
2023-11-15 16:40 · 2023-11-15 16:40
Top ASN
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

182.224.235.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
182.224.235.0
Broadcast
182.224.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5681 , 126.8998
Hits / Errors
4 hits · 2 errors
First / Last seen
2023-12-20 15:26 · 2023-12-20 15:26
Top ASN
AS17858 · LG POWERCOMM
Top organization / ISP
Top geo
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2

156.228.93.0/24

Risk Max 1 LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
156.228.93.0
Broadcast
156.228.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-08-06 19:15 · 2025-08-06 19:16
Top ASN
AS17561 · LARUS Limited
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

34.64.218.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
34.64.218.0
Broadcast
34.64.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5665 , 126.9779
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-12-31 07:57 · 2024-12-31 07:57
Top ASN
AS396982 · Google LLC
Top organization / ISP
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

118.128.165.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
118.128.165.0
Broadcast
118.128.165.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.573 , 126.926
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-12-22 11:13 · 2024-12-22 11:14
Top ASN
Top organization / ISP
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

156.228.77.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
156.228.77.0
Broadcast
156.228.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-12 13:21 · 2025-09-12 13:21
Top ASN
AS17561 · LARUS Limited
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

156.228.190.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
156.228.190.0
Broadcast
156.228.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-21 21:40 · 2025-08-21 21:40
Top ASN
AS17561 · LARUS Limited
Top organization / ISP
Top geo
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
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