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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.

35.178.169.0/24

Risk Max 3 LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
35.178.169.0
Broadcast
35.178.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
34 hits · 0 errors
First / Last seen
2023-11-17 15:24 · 2023-11-17 16:54
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2

3.10.179.0/24

Risk Max 3 LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
3.10.179.0
Broadcast
3.10.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
34 hits · 0 errors
First / Last seen
2023-11-04 11:11 · 2023-11-04 12:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

18.170.53.0/24

Risk Max 3 LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
18.170.53.0
Broadcast
18.170.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
34 hits · 0 errors
First / Last seen
2023-10-16 14:31 · 2023-10-16 15:52
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

35.177.152.0/24

Risk Max 3 LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
35.177.152.0
Broadcast
35.177.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
34 hits · 0 errors
First / Last seen
2023-10-13 13:49 · 2023-10-13 15:23
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-09 → 2023-10-16 · Updated 2026-01-14 · v2

18.132.41.0/24

Risk Max 3 LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
18.132.41.0
Broadcast
18.132.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
33 hits · 15 errors
First / Last seen
2024-02-03 09:16 · 2024-02-04 01:33
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

35.176.196.0/24

Risk Max 3 LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
35.176.196.0
Broadcast
35.176.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
33 hits · 0 errors
First / Last seen
2023-11-10 12:30 · 2023-11-10 14:17
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-11-06 → 2023-11-13 · Updated 2026-01-14 · v2

3.10.205.0/24

Risk Max 3 LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
3.10.205.0
Broadcast
3.10.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
33 hits · 0 errors
First / Last seen
2023-10-10 13:54 · 2023-10-10 15:17
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-10-09 → 2023-10-16 · Updated 2026-01-14 · v2

18.171.190.0/24

Risk Max 3 LOW Footprint 0.391% Hits 32
Prefix / IP version
/24 · IPv4
Network
18.171.190.0
Broadcast
18.171.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
32 hits · 12 errors
First / Last seen
2023-12-17 06:30 · 2023-12-17 09:08
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

18.170.224.0/24

Risk Max 3 LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
18.170.224.0
Broadcast
18.170.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
30 hits · 8 errors
First / Last seen
2023-08-07 09:44 · 2023-08-07 11:19
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-08-07 → 2023-08-14 · Updated 2026-01-14 · v2

18.171.52.0/24

Risk Max 3 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
18.171.52.0
Broadcast
18.171.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 11 errors
First / Last seen
2023-11-20 17:22 · 2023-11-20 18:54
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-11-20 → 2023-11-27 · Updated 2026-01-14 · v2

18.171.192.0/24

Risk Max 3 LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
18.171.192.0
Broadcast
18.171.192.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
24 hits · 3 errors
First / Last seen
2024-11-06 22:39 · 2024-11-06 23:18
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

18.143.163.0/24

Risk Max 3 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
18.143.163.0
Broadcast
18.143.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
21 hits · 20 errors
First / Last seen
2024-01-05 00:21 · 2024-01-05 10:27
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

18.196.183.0/24

Risk Max 3 LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
18.196.183.0
Broadcast
18.196.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
14 hits · 6 errors
First / Last seen
2023-08-07 01:03 · 2023-08-07 01:06
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-08-07 → 2023-08-14 · Updated 2026-01-14 · v2

3.76.194.0/24

Risk Max 3 LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
3.76.194.0
Broadcast
3.76.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
14 hits · 6 errors
First / Last seen
2023-08-06 23:32 · 2023-08-06 23:35
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-31 → 2023-08-07 · Updated 2026-01-14 · v2

3.72.79.0/24

Risk Max 3 LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
3.72.79.0
Broadcast
3.72.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
14 hits · 6 errors
First / Last seen
2023-08-06 02:12 · 2023-08-06 02:13
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-31 → 2023-08-07 · Updated 2026-01-14 · v2

18.134.137.0/24

Risk Max 3 LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
18.134.137.0
Broadcast
18.134.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
6 hits · 4 errors
First / Last seen
2023-09-06 21:10 · 2023-09-06 21:10
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2

18.133.235.0/24

Risk Max 2 LOW Footprint 0.781% Hits 36
Prefix / IP version
/24 · IPv4
Network
18.133.235.0
Broadcast
18.133.235.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
36 hits · 12 errors
First / Last seen
2023-12-27 07:51 · 2023-12-28 09:40
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

3.86.63.0/24

Risk Max 2 LOW Footprint 0.391% Hits 58
Prefix / IP version
/24 · IPv4
Network
3.86.63.0
Broadcast
3.86.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
58 hits · 0 errors
First / Last seen
2024-10-11 22:24 · 2024-10-11 22:25
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

35.176.200.0/24

Risk Max 2 LOW Footprint 0.391% Hits 43
Prefix / IP version
/24 · IPv4
Network
35.176.200.0
Broadcast
35.176.200.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.50739999999999 , -0.127758
Hits / Errors
43 hits · 30 errors
First / Last seen
2024-11-09 19:26 · 2024-11-09 21:08
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

35.179.128.0/24

Risk Max 2 LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
35.179.128.0
Broadcast
35.179.128.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
30 hits · 14 errors
First / Last seen
2024-09-30 13:30 · 2024-09-30 19:42
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

3.9.144.0/24

Risk Max 2 LOW Footprint 0.391% Hits 30
Prefix / IP version
/24 · IPv4
Network
3.9.144.0
Broadcast
3.9.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
30 hits · 18 errors
First / Last seen
2024-05-21 21:56 · 2024-05-21 23:52
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-05-20 → 2024-05-27 · Updated 2026-01-14 · v2

35.176.141.0/24

Risk Max 2 LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
35.176.141.0
Broadcast
35.176.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.507400000000004 , -0.127758
Hits / Errors
29 hits · 14 errors
First / Last seen
2024-01-05 07:25 · 2024-01-06 00:06
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

18.169.167.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
18.169.167.0
Broadcast
18.169.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 18 errors
First / Last seen
2024-02-22 00:35 · 2024-02-22 02:33
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2

13.40.99.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
13.40.99.0
Broadcast
13.40.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 13 errors
First / Last seen
2024-01-25 10:19 · 2024-01-25 19:28
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

18.171.152.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
18.171.152.0
Broadcast
18.171.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 13 errors
First / Last seen
2023-12-29 14:08 · 2023-12-31 18:34
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

18.171.53.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
18.171.53.0
Broadcast
18.171.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 16 errors
First / Last seen
2023-12-11 22:19 · 2023-12-11 23:43
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2

52.56.167.0/24

Risk Max 2 LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
52.56.167.0
Broadcast
52.56.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
28 hits · 8 errors
First / Last seen
2023-07-31 10:22 · 2023-08-04 11:12
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-31 → 2023-08-07 · Updated 2026-01-14 · v2

35.178.64.0/24

Risk Max 2 LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
35.178.64.0
Broadcast
35.178.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
27 hits · 12 errors
First / Last seen
2023-12-27 02:01 · 2023-12-27 08:54
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

13.40.147.0/24

Risk Max 2 LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
13.40.147.0
Broadcast
13.40.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
27 hits · 12 errors
First / Last seen
2023-12-25 04:20 · 2023-12-25 10:38
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2

3.9.14.0/24

Risk Max 2 LOW Footprint 0.391% Hits 26
Prefix / IP version
/24 · IPv4
Network
3.9.14.0
Broadcast
3.9.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
26 hits · 11 errors
First / Last seen
2024-01-29 02:53 · 2024-01-29 08:55
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

18.130.241.0/24

Risk Max 2 LOW Footprint 0.391% Hits 25
Prefix / IP version
/24 · IPv4
Network
18.130.241.0
Broadcast
18.130.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
25 hits · 12 errors
First / Last seen
2024-01-12 18:47 · 2024-01-14 06:47
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-08 → 2024-01-15 · Updated 2026-01-14 · v2

35.178.80.0/24

Risk Max 2 LOW Footprint 0.391% Hits 23
Prefix / IP version
/24 · IPv4
Network
35.178.80.0
Broadcast
35.178.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.507400000000004 , -0.127758
Hits / Errors
23 hits · 15 errors
First / Last seen
2024-06-11 13:09 · 2024-06-11 15:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

35.178.114.0/24

Risk Max 2 LOW Footprint 0.391% Hits 22
Prefix / IP version
/24 · IPv4
Network
35.178.114.0
Broadcast
35.178.114.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.50739999999999 , -0.127758
Hits / Errors
22 hits · 8 errors
First / Last seen
2023-07-13 10:50 · 2023-07-13 12:22
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

35.176.244.0/24

Risk Max 2 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
35.176.244.0
Broadcast
35.176.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
21 hits · 7 errors
First / Last seen
2024-11-11 18:06 · 2024-11-12 00:56
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

35.178.160.0/24

Risk Max 2 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
35.178.160.0
Broadcast
35.178.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
21 hits · 13 errors
First / Last seen
2024-06-14 11:37 · 2024-06-14 13:36
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-06-10 → 2024-06-17 · Updated 2026-01-14 · v2

13.40.8.0/24

Risk Max 2 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.40.8.0
Broadcast
13.40.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
21 hits · 8 errors
First / Last seen
2023-09-01 09:46 · 2023-09-01 10:57
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-08-28 → 2023-09-04 · Updated 2026-01-14 · v2

18.133.243.0/24

Risk Max 2 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
18.133.243.0
Broadcast
18.133.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
21 hits · 8 errors
First / Last seen
2023-07-31 09:39 · 2023-07-31 10:07
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-31 → 2023-08-07 · Updated 2026-01-14 · v2

18.133.226.0/24

Risk Max 2 LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
18.133.226.0
Broadcast
18.133.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
21 hits · 8 errors
First / Last seen
2023-07-14 21:19 · 2023-07-14 22:02
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

35.176.139.0/24

Risk Max 2 LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
35.176.139.0
Broadcast
35.176.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
20 hits · 0 errors
First / Last seen
2024-11-27 12:27 · 2024-11-27 13:12
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2

13.40.154.0/24

Risk Max 2 LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
13.40.154.0
Broadcast
13.40.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
20 hits · 8 errors
First / Last seen
2023-08-31 09:45 · 2023-08-31 10:38
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-08-28 → 2023-09-04 · Updated 2026-01-14 · v2