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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.

103.253.35.0/24

Risk Max LOW Footprint 5.469% Hits 18
Prefix / IP version
/24 · IPv4
Network
103.253.35.0
Broadcast
103.253.35.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
39.01 , -77.42989999999999
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-02-03 01:36 · 2025-02-05 13:01
Top ASN
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

166.196.75.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
166.196.75.0
Broadcast
166.196.75.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
33.9617 , -118.353
Hits / Errors
6 hits · 1 errors
First / Last seen
2025-05-05 14:02 · 2025-05-06 08:29
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.198.250.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
166.198.250.0
Broadcast
166.198.250.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.8291 , -86.0859
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-05-05 02:25 · 2025-05-06 15:32
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

66.21.242.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
66.21.242.0
Broadcast
66.21.242.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.03889999999999 , -87.9065
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-08-02 22:56 · 2025-08-03 16:01
Top ASN
Top organization / ISP
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

12.74.154.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
12.74.154.0
Broadcast
12.74.154.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
28.5384 , -81.3789
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-07-21 23:51 · 2025-07-23 21:02
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

166.198.21.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.198.21.0
Broadcast
166.198.21.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.9373 , -74.1563
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 03:11 · 2025-05-06 16:42
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

12.74.98.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
12.74.98.0
Broadcast
12.74.98.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
34.1083 , -117.29
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-05-06 10:59 · 2025-05-06 16:06
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.196.114.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.196.114.0
Broadcast
166.196.114.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
45.7858 , -92.381
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 06:14 · 2025-05-06 15:04
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

12.74.103.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
12.74.103.0
Broadcast
12.74.103.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.6872 , -97.3301
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 17:26 · 2025-05-06 10:44
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.194.158.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.194.158.0
Broadcast
166.194.158.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.0892 , -86.04175000000001
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 19:20 · 2025-05-06 08:36
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.199.149.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.199.149.0
Broadcast
166.199.149.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.9234 , -81.0959
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-05-05 09:47 · 2025-05-05 20:51
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.194.200.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.194.200.0
Broadcast
166.194.200.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
30.21705 , -97.0704
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 06:15 · 2025-05-05 18:34
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.199.170.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.199.170.0
Broadcast
166.199.170.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
33.4596 , -80.5284
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 04:14 · 2025-05-05 15:29
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.199.150.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.199.150.0
Broadcast
166.199.150.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
34.0593 , -80.9309
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 08:11 · 2025-05-05 11:29
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.205.101.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.205.101.0
Broadcast
166.205.101.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
29.7212 , -95.3626
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 05:16 · 2025-05-05 08:12
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.194.143.0/24

Risk Max LOW Footprint 0.391% Hits 72
Prefix / IP version
/24 · IPv4
Network
166.194.143.0
Broadcast
166.194.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.254 , -110.974
Hits / Errors
72 hits · 0 errors
First / Last seen
2025-08-02 14:47 · 2025-08-02 14:54
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

166.205.97.0/24

Risk Max LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
166.205.97.0
Broadcast
166.205.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.7376 , -95.521
Hits / Errors
30 hits · 0 errors
First / Last seen
2025-01-26 19:51 · 2025-01-26 20:24
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

12.74.44.0/24

Risk Max LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
12.74.44.0
Broadcast
12.74.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.0629 , -80.2331
Hits / Errors
26 hits · 4 errors
First / Last seen
2025-01-25 17:23 · 2025-01-26 03:15
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

166.216.158.0/24

Risk Max LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
166.216.158.0
Broadcast
166.216.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.0253 , -121.3009
Hits / Errors
25 hits · 0 errors
First / Last seen
2025-06-27 06:48 · 2025-06-27 06:50
Top ASN
Top organization / ISP
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

12.74.99.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
12.74.99.0
Broadcast
12.74.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3541 , -121.955
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-04-05 08:50 · 2025-04-05 10:02
Top ASN
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

166.199.97.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
166.199.97.0
Broadcast
166.199.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.9576 , -118.267
Hits / Errors
19 hits · 2 errors
First / Last seen
2025-01-20 21:18 · 2025-01-21 05:27
Top ASN
Top organization / ISP
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

99.131.46.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
99.131.46.0
Broadcast
99.131.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.8775 , -84.5017
Hits / Errors
17 hits · 2 errors
First / Last seen
2025-02-10 22:44 · 2025-02-10 22:44
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

209.37.221.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
209.37.221.0
Broadcast
209.37.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.5601 , -122.2326
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-05-22 02:51 · 2025-05-22 02:55
Top ASN
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

166.196.82.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
166.196.82.0
Broadcast
166.196.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.0256 , -84.4952
Hits / Errors
16 hits · 1 errors
First / Last seen
2024-11-12 19:31 · 2024-11-12 19:31
Top ASN
Top organization / ISP
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

166.194.132.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
166.194.132.0
Broadcast
166.194.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.85 , -87.65000000000002
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-09-28 05:57 · 2024-09-28 06:02
Top ASN
Top organization / ISP
Window / Updated
2024-09-23 → 2024-09-30 · Updated 2026-01-14 · v2

166.199.113.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
166.199.113.0
Broadcast
166.199.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.9555 , -118.2863
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-06-11 14:55 · 2024-06-11 14:57
Top ASN
Top organization / ISP
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

12.151.182.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
12.151.182.0
Broadcast
12.151.182.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.93 , -77.35
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-01-09 22:03 · 2024-01-09 22:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

166.196.68.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
166.196.68.0
Broadcast
166.196.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.33 , -95.02019999999999
Hits / Errors
11 hits · 0 errors
First / Last seen
2025-10-07 08:03 · 2025-10-07 08:07
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

144.160.112.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
144.160.112.0
Broadcast
144.160.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.2551 , -96.8814
Hits / Errors
11 hits · 1 errors
First / Last seen
2024-05-13 22:45 · 2024-05-13 22:51
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-05-13 → 2024-05-20 · Updated 2026-01-14 · v2

166.199.242.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
166.199.242.0
Broadcast
166.199.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
32.7319 , -96.90569999999998
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-05-31 21:00 · 2025-05-31 21:01
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

166.194.154.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
166.194.154.0
Broadcast
166.194.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.5174 , -82.0757
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-10-08 00:02 · 2025-10-08 00:03
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

69.221.99.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
69.221.99.0
Broadcast
69.221.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.5211 , -98.3293
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-10-02 17:37 · 2025-10-02 17:37
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

166.199.99.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
166.199.99.0
Broadcast
166.199.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0508 , -118.3326
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-08-13 23:49 · 2025-08-13 23:49
Top ASN
Top organization / ISP
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

166.194.188.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
166.194.188.0
Broadcast
166.194.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.9851 , -84.1724
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-09-30 06:41 · 2024-09-30 06:41
Top ASN
Top organization / ISP
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

12.74.84.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
12.74.84.0
Broadcast
12.74.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8897 , -87.98899999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-09-25 22:55 · 2025-09-28 12:44
Top ASN
Top organization / ISP
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

166.194.198.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
166.194.198.0
Broadcast
166.194.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.6648 , -97.7206
Hits / Errors
3 hits · 2 errors
First / Last seen
2024-12-23 02:21 · 2024-12-23 02:21
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

12.227.103.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
12.227.103.0
Broadcast
12.227.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.5089 , -121.1005
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-02 06:52 · 2025-10-02 06:52
Top ASN
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

70.135.47.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
70.135.47.0
Broadcast
70.135.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4261 , -83.2514
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-22 23:33 · 2025-09-22 23:33
Top ASN
Top organization / ISP
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

12.74.153.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
12.74.153.0
Broadcast
12.74.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.9509 , -90.0758
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-12 15:57 · 2025-08-12 15:57
Top ASN
Top organization / ISP
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

107.208.126.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
107.208.126.0
Broadcast
107.208.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.5211 , -98.3293
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-06 04:39 · 2025-08-06 04:39
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
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