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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.

57.141.4.0/24

Risk Max 100 HIGH Footprint 26.953% Hits 62391
Prefix / IP version
/24 · IPv4
Network
57.141.4.0
Broadcast
57.141.4.255
Observed IPs / Subnet size
69 observed · 256 total
Centroid
41.88349999999999 , -87.63050000000001
Hits / Errors
62391 hits · 4258 errors
First / Last seen
2025-12-17 00:00 · 2025-12-17 23:59
Top ASN
AS32934 · Facebook, Inc.
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

44.203.16.0/24

Risk Max 100 HIGH Footprint 0.391% Hits 2030
Prefix / IP version
/24 · IPv4
Network
44.203.16.0
Broadcast
44.203.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2030 hits · 1474 errors
First / Last seen
2023-10-29 13:24 · 2023-10-29 21:40
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2

199.127.60.0/24

Risk Max 95 HIGH Footprint 0.391% Hits 1583
Prefix / IP version
/24 · IPv4
Network
199.127.60.0
Broadcast
199.127.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.811900000000005 , -80.2318
Hits / Errors
1583 hits · 1198 errors
First / Last seen
2024-12-02 01:34 · 2024-12-05 23:46
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-12-02 → 2024-12-09 · Updated 2026-01-14 · v2

20.221.204.0/24

Risk Max 89 HIGH Footprint 0.391% Hits 766
Prefix / IP version
/24 · IPv4
Network
20.221.204.0
Broadcast
20.221.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
766 hits · 426 errors
First / Last seen
2024-01-26 18:38 · 2024-01-28 01:16
Top ASN
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

104.243.38.0/24

Risk Max 79 HIGH Footprint 0.391% Hits 592
Prefix / IP version
/24 · IPv4
Network
104.243.38.0
Broadcast
104.243.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5511 , -74.4606
Hits / Errors
592 hits · 156 errors
First / Last seen
2025-01-20 14:52 · 2025-01-20 15:00
Top ASN
Top organization / ISP
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

18.191.166.0/24

Risk Max 67 MED Footprint 0.391% Hits 4616
Prefix / IP version
/24 · IPv4
Network
18.191.166.0
Broadcast
18.191.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4616 hits · 850 errors
First / Last seen
2025-05-30 05:31 · 2025-05-30 12:29
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

20.171.207.0/24

Risk Max 66 MED Footprint 3.125% Hits 5742
Prefix / IP version
/24 · IPv4
Network
20.171.207.0
Broadcast
20.171.207.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
33.448376 , -112.074036
Hits / Errors
5742 hits · 241 errors
First / Last seen
2025-10-27 08:14 · 2025-10-29 17:55
Top ASN
Top geo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

212.28.178.0/24

Risk Max 63 MED Footprint 0.391% Hits 506
Prefix / IP version
/24 · IPv4
Network
212.28.178.0
Broadcast
212.28.178.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6364 , -90.1985
Hits / Errors
506 hits · 133 errors
First / Last seen
2025-01-08 14:53 · 2025-01-09 00:31
Top ASN
AS40021 · Contabo Inc.
Top organization / ISP
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

23.95.214.0/24

Risk Max 62 MED Footprint 0.391% Hits 513
Prefix / IP version
/24 · IPv4
Network
23.95.214.0
Broadcast
23.95.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.353 , -121.9544
Hits / Errors
513 hits · 475 errors
First / Last seen
2025-08-26 01:51 · 2025-08-26 01:56
Top ASN
AS36352 · HostPapa
Top organization / ISP
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

172.96.140.0/24

Risk Max 61 MED Footprint 0.391% Hits 265
Prefix / IP version
/24 · IPv4
Network
172.96.140.0
Broadcast
172.96.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0609 , -118.2414
Hits / Errors
265 hits · 0 errors
First / Last seen
2024-10-12 09:15 · 2024-10-12 15:20
Top ASN
Top organization / ISP
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

3.141.40.0/24

Risk Max 57 MED Footprint 0.781% Hits 4149
Prefix / IP version
/24 · IPv4
Network
3.141.40.0
Broadcast
3.141.40.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4149 hits · 1055 errors
First / Last seen
2025-05-26 09:59 · 2025-05-30 19:21
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

137.184.120.0/24

Risk Max 57 MED Footprint 0.391% Hits 272
Prefix / IP version
/24 · IPv4
Network
137.184.120.0
Broadcast
137.184.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3931 , -121.96200000000002
Hits / Errors
272 hits · 113 errors
First / Last seen
2025-05-07 23:39 · 2025-05-07 23:47
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

198.80.192.0/24

Risk Max 54 MED Footprint 0.391% Hits 7762
Prefix / IP version
/24 · IPv4
Network
198.80.192.0
Broadcast
198.80.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.7539 , -95.359
Hits / Errors
7762 hits · 7747 errors
First / Last seen
2025-03-29 22:38 · 2025-03-30 03:17
Top ASN
AS5080 · Aramco
Top geo
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

162.215.216.0/24

Risk Max 51 MED Footprint 0.391% Hits 352
Prefix / IP version
/24 · IPv4
Network
162.215.216.0
Broadcast
162.215.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.2066 , -111.64300000000001
Hits / Errors
352 hits · 4 errors
First / Last seen
2025-04-11 17:53 · 2025-04-11 18:05
Top ASN
AS46606 · Unified Layer
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

44.243.120.0/24

Risk Max 50 MED Footprint 0.391% Hits 354
Prefix / IP version
/24 · IPv4
Network
44.243.120.0
Broadcast
44.243.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.5235 , -122.67600000000002
Hits / Errors
354 hits · 5 errors
First / Last seen
2025-01-21 02:25 · 2025-01-22 20:34
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

147.93.131.0/24

Risk Max 48 MED Footprint 0.391% Hits 409
Prefix / IP version
/24 · IPv4
Network
147.93.131.0
Broadcast
147.93.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6364 , -90.1985
Hits / Errors
409 hits · 184 errors
First / Last seen
2025-05-27 10:01 · 2025-05-30 21:39
Top ASN
AS40021 · Contabo Inc.
Top organization / ISP
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

38.96.153.0/24

Risk Max 47 MED Footprint 0.391% Hits 73598
Prefix / IP version
/24 · IPv4
Network
38.96.153.0
Broadcast
38.96.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.6472 , -73.9405
Hits / Errors
73598 hits · 0 errors
First / Last seen
2025-09-22 01:00 · 2025-09-22 21:52
Top ASN
Top organization / ISP
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

3.144.185.0/24

Risk Max 47 MED Footprint 0.391% Hits 3196
Prefix / IP version
/24 · IPv4
Network
3.144.185.0
Broadcast
3.144.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
3196 hits · 832 errors
First / Last seen
2025-05-27 21:01 · 2025-05-31 21:04
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

159.223.97.0/24

Risk Max 39 MED Footprint 0.781% Hits 499
Prefix / IP version
/24 · IPv4
Network
159.223.97.0
Broadcast
159.223.97.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.7964 , -74.0203
Hits / Errors
499 hits · 140 errors
First / Last seen
2025-03-10 23:19 · 2025-03-12 09:50
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

129.146.38.0/24

Risk Max 39 MED Footprint 0.391% Hits 345
Prefix / IP version
/24 · IPv4
Network
129.146.38.0
Broadcast
129.146.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.4656 , -111.9956
Hits / Errors
345 hits · 173 errors
First / Last seen
2023-10-17 09:37 · 2023-10-17 09:40
Top ASN
AS31898 · Oracle Corporation
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

4.151.3.0/24

Risk Max 39 MED Footprint 0.391% Hits 309
Prefix / IP version
/24 · IPv4
Network
4.151.3.0
Broadcast
4.151.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.4167 , -98.5
Hits / Errors
309 hits · 156 errors
First / Last seen
2023-07-25 23:52 · 2023-07-25 23:56
Top ASN
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

20.65.168.0/24

Risk Max 37 MED Footprint 0.391% Hits 230
Prefix / IP version
/24 · IPv4
Network
20.65.168.0
Broadcast
20.65.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.4167 , -98.5
Hits / Errors
230 hits · 0 errors
First / Last seen
2024-12-24 11:04 · 2024-12-24 11:11
Top ASN
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

107.150.0.0/24

Risk Max 37 MED Footprint 0.391% Hits 97
Prefix / IP version
/24 · IPv4
Network
107.150.0.0
Broadcast
107.150.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.6061 , -122.333
Hits / Errors
97 hits · 71 errors
First / Last seen
2025-07-04 10:58 · 2025-07-04 11:00
Top ASN
AS36352 · HostPapa
Top organization / ISP
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

216.73.217.0/24

Risk Max 36 MED Footprint 1.172% Hits 2143
Prefix / IP version
/24 · IPv4
Network
216.73.217.0
Broadcast
216.73.217.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9625 , -83.0061
Hits / Errors
2143 hits · 547 errors
First / Last seen
2025-07-29 04:57 · 2025-07-29 18:22
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

44.199.198.0/24

Risk Max 36 MED Footprint 0.391% Hits 427
Prefix / IP version
/24 · IPv4
Network
44.199.198.0
Broadcast
44.199.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.043800000000005 , -77.4874
Hits / Errors
427 hits · 255 errors
First / Last seen
2025-12-17 00:05 · 2025-12-17 00:35
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

74.208.77.0/24

Risk Max 36 MED Footprint 0.391% Hits 330
Prefix / IP version
/24 · IPv4
Network
74.208.77.0
Broadcast
74.208.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.1008 , -94.5811
Hits / Errors
330 hits · 149 errors
First / Last seen
2025-05-21 18:56 · 2025-05-21 18:59
Top ASN
AS8560 · IONOS SE
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

4.227.181.0/24

Risk Max 36 MED Footprint 0.391% Hits 142
Prefix / IP version
/24 · IPv4
Network
4.227.181.0
Broadcast
4.227.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
142 hits · 140 errors
First / Last seen
2024-01-12 11:14 · 2024-01-12 12:09
Top ASN
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

66.94.111.0/24

Risk Max 35 MED Footprint 0.391% Hits 178
Prefix / IP version
/24 · IPv4
Network
66.94.111.0
Broadcast
66.94.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.0446 , -73.9592
Hits / Errors
178 hits · 178 errors
First / Last seen
2024-06-10 07:21 · 2024-06-11 14:16
Top ASN
AS40021 · Contabo Inc.
Top organization / ISP
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

156.233.225.0/24

Risk Max 34 LOW Footprint 0.391% Hits 432
Prefix / IP version
/24 · IPv4
Network
156.233.225.0
Broadcast
156.233.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0544 , -118.24400000000001
Hits / Errors
432 hits · 120 errors
First / Last seen
2025-01-14 23:57 · 2025-01-16 03:32
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

104.167.221.0/24

Risk Max 33 LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
104.167.221.0
Broadcast
104.167.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.1678 , -94.5269
Hits / Errors
16 hits · 1 errors
First / Last seen
2025-06-19 15:48 · 2025-06-21 06:51
Top ASN
Top organization / ISP
Window / Updated
2025-06-16 → 2025-06-23 · Updated 2026-01-14 · v2

3.12.84.0/24

Risk Max 32 LOW Footprint 0.391% Hits 1830
Prefix / IP version
/24 · IPv4
Network
3.12.84.0
Broadcast
3.12.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
1830 hits · 435 errors
First / Last seen
2025-05-31 09:44 · 2025-05-31 16:34
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

144.126.135.0/24

Risk Max 31 LOW Footprint 0.391% Hits 284
Prefix / IP version
/24 · IPv4
Network
144.126.135.0
Broadcast
144.126.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6364 , -90.1985
Hits / Errors
284 hits · 0 errors
First / Last seen
2025-05-14 02:48 · 2025-05-14 08:42
Top ASN
AS40021 · Contabo Inc.
Top organization / ISP
Window / Updated
2025-05-12 → 2025-05-19 · Updated 2026-01-14 · v2

79.127.148.0/24

Risk Max 31 LOW Footprint 0.391% Hits 211
Prefix / IP version
/24 · IPv4
Network
79.127.148.0
Broadcast
79.127.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
25.7701 , -80.1928
Hits / Errors
211 hits · 5 errors
First / Last seen
2025-02-14 09:42 · 2025-02-14 09:45
Top ASN
AS60068 · Datacamp Limited
Top organization / ISP
Top geo
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

193.37.33.0/24

Risk Max 30 LOW Footprint 0.781% Hits 493
Prefix / IP version
/24 · IPv4
Network
193.37.33.0
Broadcast
193.37.33.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
47.6109 , -122.3303
Hits / Errors
493 hits · 343 errors
First / Last seen
2025-05-05 09:40 · 2025-05-09 19:33
Top ASN
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

89.222.103.0/24

Risk Max 30 LOW Footprint 0.391% Hits 1483
Prefix / IP version
/24 · IPv4
Network
89.222.103.0
Broadcast
89.222.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.7485 , -84.3871
Hits / Errors
1483 hits · 37 errors
First / Last seen
2025-08-23 01:37 · 2025-08-23 01:42
Top ASN
AS212238 · Datacamp Limited
Top organization / ISP
Top geo
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2

37.140.223.0/24

Risk Max 28 LOW Footprint 1.172% Hits 560
Prefix / IP version
/24 · IPv4
Network
37.140.223.0
Broadcast
37.140.223.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
34.0544 , -118.244
Hits / Errors
560 hits · 167 errors
First / Last seen
2025-01-24 05:55 · 2025-01-24 06:08
Top ASN
Top organization / ISP
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

159.223.111.0/24

Risk Max 28 LOW Footprint 0.781% Hits 226
Prefix / IP version
/24 · IPv4
Network
159.223.111.0
Broadcast
159.223.111.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.7964 , -74.0203
Hits / Errors
226 hits · 138 errors
First / Last seen
2025-03-10 12:22 · 2025-03-13 00:22
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

167.71.240.0/24

Risk Max 28 LOW Footprint 0.391% Hits 213
Prefix / IP version
/24 · IPv4
Network
167.71.240.0
Broadcast
167.71.240.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.8364 , -74.1403
Hits / Errors
213 hits · 81 errors
First / Last seen
2025-04-14 14:28 · 2025-04-16 13:33
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

198.199.89.0/24

Risk Max 28 LOW Footprint 0.391% Hits 103
Prefix / IP version
/24 · IPv4
Network
198.199.89.0
Broadcast
198.199.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7964 , -74.0203
Hits / Errors
103 hits · 73 errors
First / Last seen
2025-05-23 20:56 · 2025-05-25 03:13
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

206.81.2.0/24

Risk Max 28 LOW Footprint 0.391% Hits 70
Prefix / IP version
/24 · IPv4
Network
206.81.2.0
Broadcast
206.81.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.7964 , -74.0203
Hits / Errors
70 hits · 22 errors
First / Last seen
2025-03-13 07:15 · 2025-03-13 07:56
Top ASN
AS14061 · DigitalOcean, LLC
Top organization / ISP
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2
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