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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.

59.23.34.0/24

Risk Max 27 LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
59.23.34.0
Broadcast
59.23.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8908 , 128.6377
Hits / Errors
12 hits · 0 errors
First / Last seen
2024-05-26 11:25 · 2024-05-26 19:44
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-05-20 → 2024-05-27 · 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

211.221.237.0/24

Risk Max 12 LOW Footprint 0.391% Hits 256
Prefix / IP version
/24 · IPv4
Network
211.221.237.0
Broadcast
211.221.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2072 , 126.8168
Hits / Errors
256 hits · 0 errors
First / Last seen
2024-01-19 21:42 · 2024-01-19 21:43
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-15 → 2024-01-22 · Updated 2026-01-14 · v2

59.11.214.0/24

Risk Max 5 LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
59.11.214.0
Broadcast
59.11.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2506 , 127.06680000000001
Hits / Errors
10 hits · 4 errors
First / Last seen
2023-08-16 22:24 · 2023-08-16 22:24
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-08-14 → 2023-08-21 · Updated 2026-01-14 · v2

220.84.21.0/24

Risk Max 5 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
220.84.21.0
Broadcast
220.84.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2619 , 128.867
Hits / Errors
8 hits · 4 errors
First / Last seen
2025-08-26 22:03 · 2025-08-26 22:05
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

220.93.167.0/24

Risk Max 3 LOW Footprint 0.391% Hits 45
Prefix / IP version
/24 · IPv4
Network
220.93.167.0
Broadcast
220.93.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.1366 , 126.8656
Hits / Errors
45 hits · 0 errors
First / Last seen
2025-03-03 07:49 · 2025-03-03 07:50
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

183.108.86.0/24

Risk Max 2 LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
183.108.86.0
Broadcast
183.108.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6874 , 127.8782
Hits / Errors
26 hits · 0 errors
First / Last seen
2025-07-10 02:44 · 2025-07-10 02:44
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2025-07-07 → 2025-07-14 · Updated 2026-01-14 · v2

221.156.244.0/24

Risk Max 2 LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
221.156.244.0
Broadcast
221.156.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2119 , 126.85449999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2023-12-12 20:12 · 2023-12-15 08:18
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

59.2.23.0/24

Risk Max 1 LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
59.2.23.0
Broadcast
59.2.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8345 , 127.1057
Hits / Errors
8 hits · 0 errors
First / Last seen
2023-11-17 01:28 · 2023-11-17 01:28
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

119.200.13.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
119.200.13.0
Broadcast
119.200.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2118 , 126.8876
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-06-13 13:49 · 2024-06-13 13:49
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

211.225.81.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
211.225.81.0
Broadcast
211.225.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.9606 , 126.983
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-02-07 17:32 · 2024-02-11 16:03
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2

211.226.150.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
211.226.150.0
Broadcast
211.226.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4988 , 126.7824
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-10-20 05:08 · 2023-10-20 05:08
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

59.10.46.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
59.10.46.0
Broadcast
59.10.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5658 , 126.978
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-05-29 14:44 · 2024-05-29 14:44
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

121.164.82.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.164.82.0
Broadcast
121.164.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.8119 , 127.08
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-22 19:18 · 2024-02-22 19:18
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2

59.9.85.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
59.9.85.0
Broadcast
59.9.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6675 , 127.2383
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-14 04:19 · 2024-02-14 04:19
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2

118.45.105.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
118.45.105.0
Broadcast
118.45.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8908 , 128.6377
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-06 23:34 · 2024-02-06 23:34
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-02-05 → 2024-02-12 · Updated 2026-01-14 · v2

112.161.134.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
112.161.134.0
Broadcast
112.161.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.6224 , 127.1502
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-02-04 08:48 · 2024-02-04 08:48
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

125.135.8.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
125.135.8.0
Broadcast
125.135.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.2342 , 128.8777
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-22 00:11 · 2024-01-22 00:11
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

121.152.220.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.152.220.0
Broadcast
121.152.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.4509 , 127.4172
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-15 07:21 · 2024-01-15 07:21
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-15 → 2024-01-22 · Updated 2026-01-14 · v2

14.53.247.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.53.247.0
Broadcast
14.53.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4878 , 127.4875
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-14 08:40 · 2024-01-14 08:40
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

220.117.31.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.117.31.0
Broadcast
220.117.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5415 , 127.0252
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-13 01:56 · 2024-01-13 01:56
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

59.2.108.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
59.2.108.0
Broadcast
59.2.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.9915 , 126.756
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-06 09:11 · 2024-01-06 09:11
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

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
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

203.243.47.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
203.243.47.0
Broadcast
203.243.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3468 , 127.9424
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-01 13:54 · 2024-01-01 13:54
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

220.125.156.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.125.156.0
Broadcast
220.125.156.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.5916 , 127.2916
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-01-01 06:28 · 2024-01-01 06:28
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

220.124.196.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
220.124.196.0
Broadcast
220.124.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.5109 , 126.5264
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-12-31 18:47 · 2023-12-31 18:47
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

125.139.60.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
125.139.60.0
Broadcast
125.139.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8014 , 127.1076
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-19 07:32 · 2023-11-19 07:32
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

119.194.225.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
119.194.225.0
Broadcast
119.194.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4062 , 127.1077
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-18 11:38 · 2023-11-18 11:38
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

112.168.43.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
112.168.43.0
Broadcast
112.168.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.2963 , 127.0506
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-18 11:16 · 2023-11-18 11:16
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

183.96.42.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.96.42.0
Broadcast
183.96.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5988 , 127.1076
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-16 12:55 · 2023-11-16 12:55
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

211.63.167.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
211.63.167.0
Broadcast
211.63.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3648 , 126.8009
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-11-09 00:00 · 2023-11-09 00:00
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-11-06 → 2023-11-13 · 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

222.104.191.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
222.104.191.0
Broadcast
222.104.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8699 , 128.6314
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-06 11:30 · 2023-10-06 11:30
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2

221.159.106.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
221.159.106.0
Broadcast
221.159.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
35.8396 , 127.0671
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-03 18:27 · 2023-10-03 18:27
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2

175.203.240.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
175.203.240.0
Broadcast
175.203.240.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.352 , 126.6023
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-02 17:42 · 2023-10-02 17:42
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2

61.77.39.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
61.77.39.0
Broadcast
61.77.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.1549 , 127.0674
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-10-02 06:13 · 2023-10-02 06:13
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2

14.37.199.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
14.37.199.0
Broadcast
14.37.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4987 , 126.7828
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-30 22:55 · 2023-09-30 22:55
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Window / Updated
2023-09-25 → 2023-10-02 · Updated 2026-01-14 · v2

121.172.48.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
121.172.48.0
Broadcast
121.172.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.7191 , 126.7615
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-29 21:39 · 2023-09-29 21:39
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-09-25 → 2023-10-02 · Updated 2026-01-14 · v2

183.107.111.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
183.107.111.0
Broadcast
183.107.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.5916 , 127.2916
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-09-29 12:03 · 2023-09-29 12:03
Top ASN
AS4766 · Korea Telecom
Top organization / ISP
Top geo
Window / Updated
2023-09-25 → 2023-10-02 · Updated 2026-01-14 · v2
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