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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.

13.228.90.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.228.90.0
Broadcast
13.228.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-27 23:47 · 2023-07-27 23:47
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.215.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.143.0
Broadcast
13.215.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-27 04:00 · 2023-07-27 04:00
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.139.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.139.53.0
Broadcast
18.139.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-27 04:00 · 2023-07-27 04:00
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

34.242.81.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
34.242.81.0
Broadcast
34.242.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
53.3498 , -6.26031
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-26 18:15 · 2023-07-26 18:15
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.228.207.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.228.207.0
Broadcast
13.228.207.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-26 11:24 · 2023-07-26 11:24
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

54.151.137.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.151.137.0
Broadcast
54.151.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-26 11:24 · 2023-07-26 11:24
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.215.39.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.39.0
Broadcast
13.215.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-26 07:57 · 2023-07-26 07:57
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.136.26.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.136.26.0
Broadcast
18.136.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-25 16:30 · 2023-07-25 16:30
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.215.234.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.234.0
Broadcast
13.215.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-25 12:26 · 2023-07-25 12:26
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

54.151.212.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.151.212.0
Broadcast
54.151.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-25 01:47 · 2023-07-25 01:47
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.142.18.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.142.18.0
Broadcast
18.142.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 20:26 · 2023-07-24 20:26
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.213.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.213.243.0
Broadcast
13.213.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 18:36 · 2023-07-24 18:36
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.142.131.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.142.131.0
Broadcast
18.142.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 18:35 · 2023-07-24 18:35
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

3.0.31.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.0.31.0
Broadcast
3.0.31.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 18:35 · 2023-07-24 18:35
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.142.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.142.80.0
Broadcast
18.142.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 16:55 · 2023-07-24 16:55
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.143.10.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.143.10.0
Broadcast
18.143.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 15:37 · 2023-07-24 15:37
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.138.143.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.138.143.0
Broadcast
18.138.143.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 11:08 · 2023-07-24 11:08
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

18.143.15.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.143.15.0
Broadcast
18.143.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-24 06:29 · 2023-07-24 06:29
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-24 → 2023-07-31 · Updated 2026-01-14 · v2

13.214.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.214.102.0
Broadcast
13.214.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 15:21 · 2023-07-23 15:21
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.215.241.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.241.0
Broadcast
13.215.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 14:38 · 2023-07-23 14:38
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

18.136.60.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.136.60.0
Broadcast
18.136.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 14:37 · 2023-07-23 14:37
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

3.1.70.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.1.70.0
Broadcast
3.1.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 12:44 · 2023-07-23 12:44
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

54.254.34.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.254.34.0
Broadcast
54.254.34.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 12:35 · 2023-07-23 12:35
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.214.2.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.214.2.0
Broadcast
13.214.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 12:34 · 2023-07-23 12:34
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

3.1.188.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.1.188.0
Broadcast
3.1.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-23 08:17 · 2023-07-23 08:17
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

3.0.159.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.0.159.0
Broadcast
3.0.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-22 21:24 · 2023-07-22 21:24
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.228.190.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.228.190.0
Broadcast
13.228.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-22 18:06 · 2023-07-22 18:06
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

18.170.227.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.170.227.0
Broadcast
18.170.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-21 22:45 · 2023-07-21 22:45
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

54.254.15.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.254.15.0
Broadcast
54.254.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-21 21:29 · 2023-07-21 21:29
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

18.143.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.143.211.0
Broadcast
18.143.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-21 20:34 · 2023-07-21 20:34
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

18.136.65.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.136.65.0
Broadcast
18.136.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-21 10:38 · 2023-07-21 10:38
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.215.217.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.217.0
Broadcast
13.215.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-20 10:05 · 2023-07-20 10:05
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

54.254.57.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.254.57.0
Broadcast
54.254.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-20 08:45 · 2023-07-20 08:45
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

54.255.254.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.255.254.0
Broadcast
54.255.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-20 04:25 · 2023-07-20 04:25
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.215.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.149.0
Broadcast
13.215.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-19 03:59 · 2023-07-19 03:59
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

13.215.14.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.215.14.0
Broadcast
13.215.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-18 12:03 · 2023-07-18 12:03
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2

18.139.132.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.139.132.0
Broadcast
18.139.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-16 13:45 · 2023-07-16 13:45
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

18.136.69.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
18.136.69.0
Broadcast
18.136.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-16 09:10 · 2023-07-16 09:10
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

13.228.202.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.228.202.0
Broadcast
13.228.202.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.28009 , 103.851
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-07-15 22:49 · 2023-07-15 22:49
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2

3.127.242.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.127.242.0
Broadcast
3.127.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-15 03:32 · 2023-07-15 03:32
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2