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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.

15.207.16.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
15.207.16.0
Broadcast
15.207.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 8 errors
First / Last seen
2025-01-10 20:20 · 2025-01-10 20:20
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

15.207.254.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
15.207.254.0
Broadcast
15.207.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 8 errors
First / Last seen
2025-01-07 21:07 · 2025-01-07 21:07
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

13.233.29.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.233.29.0
Broadcast
13.233.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 8 errors
First / Last seen
2025-01-05 21:10 · 2025-01-05 21:10
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

13.126.81.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.126.81.0
Broadcast
13.126.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 8 errors
First / Last seen
2025-01-03 21:03 · 2025-01-03 21:03
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

52.66.22.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
52.66.22.0
Broadcast
52.66.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 18 errors
First / Last seen
2024-12-18 09:48 · 2024-12-18 09:48
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

13.233.140.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.233.140.0
Broadcast
13.233.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 18 errors
First / Last seen
2024-11-13 23:51 · 2024-11-13 23:52
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

13.201.27.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.201.27.0
Broadcast
13.201.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 18 errors
First / Last seen
2024-11-12 14:25 · 2024-11-12 14:26
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

13.233.95.0/24

Risk Max LOW Footprint 0.391% Hits 21
Prefix / IP version
/24 · IPv4
Network
13.233.95.0
Broadcast
13.233.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
21 hits · 18 errors
First / Last seen
2024-11-10 19:14 · 2024-11-10 19:15
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

13.235.42.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
13.235.42.0
Broadcast
13.235.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
20 hits · 8 errors
First / Last seen
2025-04-30 00:26 · 2025-04-30 00:26
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

3.6.90.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
3.6.90.0
Broadcast
3.6.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
20 hits · 8 errors
First / Last seen
2025-04-28 07:50 · 2025-04-28 07:50
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

13.233.161.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
13.233.161.0
Broadcast
13.233.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
20 hits · 8 errors
First / Last seen
2025-04-24 21:45 · 2025-04-24 21:45
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

15.206.72.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
15.206.72.0
Broadcast
15.206.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
20 hits · 8 errors
First / Last seen
2025-04-24 04:42 · 2025-04-24 04:42
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-04-21 → 2025-04-28 · Updated 2026-01-14 · v2

3.109.201.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
3.109.201.0
Broadcast
3.109.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
19 hits · 0 errors
First / Last seen
2025-09-06 05:01 · 2025-09-06 05:01
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

65.2.116.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
65.2.116.0
Broadcast
65.2.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-09-29 06:56 · 2025-09-29 06:56
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

3.7.255.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
3.7.255.0
Broadcast
3.7.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-09-07 11:25 · 2025-09-07 11:25
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

13.127.17.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
13.127.17.0
Broadcast
13.127.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-02-09 15:33 · 2025-02-09 15:40
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

3.110.86.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
3.110.86.0
Broadcast
3.110.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
14 hits · 0 errors
First / Last seen
2025-03-17 09:39 · 2025-03-17 09:53
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-03-17 → 2025-03-24 · Updated 2026-01-14 · v2

13.233.64.0/24

Risk Max LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
13.233.64.0
Broadcast
13.233.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
13 hits · 1 errors
First / Last seen
2024-11-12 10:23 · 2024-11-12 10:24
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-11-11 → 2024-11-18 · Updated 2026-01-14 · v2

3.6.133.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
3.6.133.0
Broadcast
3.6.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
12 hits · 1 errors
First / Last seen
2023-12-08 07:59 · 2023-12-08 08:03
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2

3.7.172.0/24

Risk Max LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
3.7.172.0
Broadcast
3.7.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
11 hits · 0 errors
First / Last seen
2025-03-25 13:15 · 2025-03-25 14:15
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

13.233.238.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
13.233.238.0
Broadcast
13.233.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
10 hits · 2 errors
First / Last seen
2024-01-19 17:05 · 2024-01-19 17:05
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-01-15 → 2024-01-22 · Updated 2026-01-14 · v2

13.233.244.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
13.233.244.0
Broadcast
13.233.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
8 hits · 0 errors
First / Last seen
2025-09-09 00:19 · 2025-09-09 00:19
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

13.127.85.0/24

Risk Max LOW Footprint 0.391% Hits 8
Prefix / IP version
/24 · IPv4
Network
13.127.85.0
Broadcast
13.127.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
8 hits · 0 errors
First / Last seen
2024-01-26 14:51 · 2024-01-26 14:51
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

13.233.1.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
13.233.1.0
Broadcast
13.233.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
5 hits · 5 errors
First / Last seen
2023-10-19 12:10 · 2023-10-19 12:10
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2

13.235.58.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.235.58.0
Broadcast
13.235.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-09-08 18:13 · 2025-09-08 18:13
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

13.232.122.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.232.122.0
Broadcast
13.232.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-08-06 22:31 · 2025-08-06 22:31
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

3.7.253.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.7.253.0
Broadcast
3.7.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-02-04 06:28 · 2024-02-04 06:29
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

13.201.18.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.201.18.0
Broadcast
13.201.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-02-02 02:40 · 2024-02-02 02:40
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2

13.201.104.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
13.201.104.0
Broadcast
13.201.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-01-28 20:37 · 2024-01-28 20:37
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

3.109.48.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.109.48.0
Broadcast
3.109.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-01-25 01:48 · 2024-01-25 01:48
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2

13.200.9.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.200.9.0
Broadcast
13.200.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-10-02 10:55 · 2025-10-02 10:56
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

13.201.78.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.201.78.0
Broadcast
13.201.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-07-17 11:30 · 2025-07-20 04:19
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

13.126.186.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.126.186.0
Broadcast
13.126.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-07-02 04:22 · 2025-07-02 05:22
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

52.66.161.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
52.66.161.0
Broadcast
52.66.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-04-09 23:51 · 2025-04-09 23:51
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

13.201.16.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.201.16.0
Broadcast
13.201.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 3 errors
First / Last seen
2025-01-20 08:09 · 2025-01-22 15:35
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

13.201.72.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.201.72.0
Broadcast
13.201.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 3 errors
First / Last seen
2024-06-03 23:28 · 2024-06-03 23:28
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2024-06-03 → 2024-06-10 · Updated 2026-01-14 · v2

13.200.137.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.200.137.0
Broadcast
13.200.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 0 errors
First / Last seen
2023-12-19 18:57 · 2023-12-21 07:38
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2

35.154.105.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
35.154.105.0
Broadcast
35.154.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-02 23:02 · 2025-10-02 23:02
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

13.201.86.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
13.201.86.0
Broadcast
13.201.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-30 22:02 · 2025-09-30 22:02
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

3.110.151.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.110.151.0
Broadcast
3.110.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-09 23:28 · 2025-09-09 23:28
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2