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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.

104.234.115.0/24

Risk Max 7 LOW Footprint 0.781% Hits 42
Prefix / IP version
/24 · IPv4
Network
104.234.115.0
Broadcast
104.234.115.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
44.3426 , -89.8597
Hits / Errors
42 hits · 0 errors
First / Last seen
2025-09-22 21:20 · 2025-09-22 22:59
Top ASN
AS396982 · Google LLC
Top organization / ISP
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

172.220.109.0/24

Risk Max 2 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.220.109.0
Broadcast
172.220.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0334 , -89.4512
Hits / Errors
2 hits · 0 errors
First / Last seen
2023-07-29 09:06 · 2023-07-29 09:06
Top ASN
Top organization / ISP
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

166.181.85.0/24

Risk Max LOW Footprint 1.953% Hits 6
Prefix / IP version
/24 · IPv4
Network
166.181.85.0
Broadcast
166.181.85.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
43.02406 , -90.55781999999999
Hits / Errors
6 hits · 2 errors
First / Last seen
2025-05-05 03:05 · 2025-05-06 10:35
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

166.182.250.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
166.182.250.0
Broadcast
166.182.250.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
44.358 , -89.086
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-05-05 08:25 · 2025-05-06 14:20
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

104.28.104.0/24

Risk Max LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
104.28.104.0
Broadcast
104.28.104.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.6533 , -87.81683333333332
Hits / Errors
6 hits · 1 errors
First / Last seen
2024-12-23 21:04 · 2024-12-29 21:03
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

166.182.253.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
166.182.253.0
Broadcast
166.182.253.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
44.8342 , -87.377
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-05-05 11:07 · 2025-05-05 17:44
Top ASN
AS6614 · T-Mobile USA, Inc.
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

172.59.107.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.59.107.0
Broadcast
172.59.107.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.1193 , -87.95049999999999
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-05-22 21:30 · 2025-05-23 18:39
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

172.59.104.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.59.104.0
Broadcast
172.59.104.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.1193 , -87.9505
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-05-05 10:31 · 2025-05-05 23:31
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

184.55.110.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
184.55.110.0
Broadcast
184.55.110.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
44.1811 , -88.4762
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 23:53 · 2025-05-06 16:31
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

107.122.177.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
107.122.177.0
Broadcast
107.122.177.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
44.159 , -99.8886
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-05-05 02:29 · 2025-05-06 16:21
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

166.181.81.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
166.181.81.0
Broadcast
166.181.81.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.0125 , -87.9726
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 08:25 · 2025-05-06 07:06
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

216.26.125.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
216.26.125.0
Broadcast
216.26.125.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
44.436350000000004 , -91.44454999999999
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 04:20 · 2025-05-05 22:25
Top ASN
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

205.213.112.0/24

Risk Max LOW Footprint 0.391% Hits 431
Prefix / IP version
/24 · IPv4
Network
205.213.112.0
Broadcast
205.213.112.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.103 , -89.5073
Hits / Errors
431 hits · 23 errors
First / Last seen
2024-12-16 16:23 · 2024-12-20 21:04
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

141.126.139.0/24

Risk Max LOW Footprint 0.391% Hits 61
Prefix / IP version
/24 · IPv4
Network
141.126.139.0
Broadcast
141.126.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0628 , -89.3171
Hits / Errors
61 hits · 18 errors
First / Last seen
2024-09-20 18:47 · 2024-09-21 04:49
Top ASN
Top organization / ISP
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2

172.59.98.0/24

Risk Max LOW Footprint 0.391% Hits 48
Prefix / IP version
/24 · IPv4
Network
172.59.98.0
Broadcast
172.59.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1601 , -87.9944
Hits / Errors
48 hits · 0 errors
First / Last seen
2025-05-23 07:19 · 2025-05-23 07:49
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

72.129.146.0/24

Risk Max LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
72.129.146.0
Broadcast
72.129.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.5034 , -87.9813
Hits / Errors
46 hits · 0 errors
First / Last seen
2025-07-26 11:42 · 2025-07-26 11:42
Top ASN
Top organization / ISP
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

74.135.192.0/24

Risk Max LOW Footprint 0.391% Hits 44
Prefix / IP version
/24 · IPv4
Network
74.135.192.0
Broadcast
74.135.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.2433 , -88.3564
Hits / Errors
44 hits · 13 errors
First / Last seen
2024-04-23 16:48 · 2024-04-28 22:39
Top ASN
Top organization / ISP
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

216.56.9.0/24

Risk Max LOW Footprint 0.391% Hits 40
Prefix / IP version
/24 · IPv4
Network
216.56.9.0
Broadcast
216.56.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1154 , -88.0346
Hits / Errors
40 hits · 0 errors
First / Last seen
2025-05-23 20:25 · 2025-05-23 20:42
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

24.240.147.0/24

Risk Max LOW Footprint 0.391% Hits 40
Prefix / IP version
/24 · IPv4
Network
24.240.147.0
Broadcast
24.240.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.5649 , -89.0843
Hits / Errors
40 hits · 2 errors
First / Last seen
2024-12-16 16:06 · 2024-12-17 16:10
Top ASN
Top organization / ISP
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

66.85.63.0/24

Risk Max LOW Footprint 0.391% Hits 38
Prefix / IP version
/24 · IPv4
Network
66.85.63.0
Broadcast
66.85.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7416 , -87.8061
Hits / Errors
38 hits · 0 errors
First / Last seen
2025-02-25 22:37 · 2025-02-25 22:38
Top ASN
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

184.100.132.0/24

Risk Max LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
184.100.132.0
Broadcast
184.100.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.8138 , -91.2519
Hits / Errors
33 hits · 0 errors
First / Last seen
2025-05-22 19:53 · 2025-05-22 20:55
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

71.86.197.0/24

Risk Max LOW Footprint 0.391% Hits 32
Prefix / IP version
/24 · IPv4
Network
71.86.197.0
Broadcast
71.86.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.7746 , -88.4376
Hits / Errors
32 hits · 2 errors
First / Last seen
2025-05-18 21:08 · 2025-05-18 21:08
Top ASN
Top organization / ISP
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

68.187.70.0/24

Risk Max LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
68.187.70.0
Broadcast
68.187.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7831 , -88.95379999999999
Hits / Errors
31 hits · 3 errors
First / Last seen
2025-03-04 15:45 · 2025-03-04 15:51
Top ASN
Top organization / ISP
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2

47.41.134.0/24

Risk Max LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
47.41.134.0
Broadcast
47.41.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0725 , -89.4491
Hits / Errors
30 hits · 0 errors
First / Last seen
2025-05-17 21:56 · 2025-05-17 21:57
Top ASN
Top organization / ISP
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

162.230.93.0/24

Risk Max LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
162.230.93.0
Broadcast
162.230.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7355 , -89.04049999999998
Hits / Errors
29 hits · 0 errors
First / Last seen
2025-08-03 20:46 · 2025-08-03 20:48
Top ASN
Top organization / ISP
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

66.206.60.0/24

Risk Max LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
66.206.60.0
Broadcast
66.206.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.7759 , -89.56319999999998
Hits / Errors
28 hits · 0 errors
First / Last seen
2025-03-30 00:03 · 2025-03-30 00:09
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

216.56.105.0/24

Risk Max LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
216.56.105.0
Broadcast
216.56.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.067 , -87.9682
Hits / Errors
28 hits · 0 errors
First / Last seen
2025-03-19 22:27 · 2025-03-19 22:27
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

192.250.20.0/24

Risk Max LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
192.250.20.0
Broadcast
192.250.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0334 , -89.4512
Hits / Errors
27 hits · 0 errors
First / Last seen
2025-07-09 00:25 · 2025-07-09 00:26
Window / Updated
2025-07-07 → 2025-07-14 · Updated 2026-01-14 · v2

184.55.48.0/24

Risk Max LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
184.55.48.0
Broadcast
184.55.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.1 , -87.6307
Hits / Errors
27 hits · 0 errors
First / Last seen
2025-05-08 23:02 · 2025-05-08 23:02
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

172.225.21.0/24

Risk Max LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
172.225.21.0
Broadcast
172.225.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.588 , -87.81809999999999
Hits / Errors
26 hits · 0 errors
First / Last seen
2024-12-23 19:47 · 2024-12-23 19:48
Top ASN
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

216.56.4.0/24

Risk Max LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
216.56.4.0
Broadcast
216.56.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0818 , -87.892
Hits / Errors
25 hits · 0 errors
First / Last seen
2025-01-23 20:13 · 2025-01-23 21:42
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

75.9.109.0/24

Risk Max LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
75.9.109.0
Broadcast
75.9.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1601 , -87.9944
Hits / Errors
25 hits · 1 errors
First / Last seen
2024-12-25 03:26 · 2024-12-25 05:24
Top ASN
Top organization / ISP
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

166.181.89.0/24

Risk Max LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
166.181.89.0
Broadcast
166.181.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1183 , -89.3796
Hits / Errors
25 hits · 7 errors
First / Last seen
2024-12-06 00:00 · 2024-12-06 00:01
Top ASN
AS6614 · T-Mobile USA, Inc.
Top organization / ISP
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

216.56.80.0/24

Risk Max LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
216.56.80.0
Broadcast
216.56.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.9896 , -88.08760000000001
Hits / Errors
25 hits · 2 errors
First / Last seen
2024-11-09 09:47 · 2024-11-09 09:48
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

70.232.247.0/24

Risk Max LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
70.232.247.0
Broadcast
70.232.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.5917 , -88.4334
Hits / Errors
22 hits · 1 errors
First / Last seen
2025-07-06 17:06 · 2025-07-06 17:06
Top ASN
Top organization / ISP
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

216.56.84.0/24

Risk Max LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
216.56.84.0
Broadcast
216.56.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.9896 , -88.0876
Hits / Errors
22 hits · 0 errors
First / Last seen
2025-05-29 21:32 · 2025-05-29 21:32
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

76.235.98.0/24

Risk Max LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
76.235.98.0
Broadcast
76.235.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1205 , -89.3523
Hits / Errors
22 hits · 0 errors
First / Last seen
2025-04-25 23:12 · 2025-04-25 23:13
Top ASN
Top organization / ISP
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

65.29.225.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
65.29.225.0
Broadcast
65.29.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1475 , -87.905
Hits / Errors
21 hits · 2 errors
First / Last seen
2024-05-25 22:24 · 2024-05-25 22:35
Top ASN
Top organization / ISP
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2
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