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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.

16.59.40.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
16.59.40.0
Broadcast
16.59.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.126.15.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
13.126.15.0
Broadcast
13.126.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.076 , 72.8777
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.127.64.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.127.64.0
Broadcast
3.127.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.146.208.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
54.146.208.0
Broadcast
54.146.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-08 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.80.237.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.80.237.0
Broadcast
3.80.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.218.153.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.218.153.0
Broadcast
3.218.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.231.234.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.231.234.0
Broadcast
3.231.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2 hits · 2 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.53.186.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
13.53.186.0
Broadcast
13.53.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.3293 , 18.0686
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.85.219.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
3.85.219.0
Broadcast
3.85.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.51.233.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
13.51.233.0
Broadcast
13.51.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.3293 , 18.0686
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.49.223.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
13.49.223.0
Broadcast
13.49.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.3293 , 18.0686
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.85.160.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.85.160.0
Broadcast
3.85.160.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.231.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.231.226.0
Broadcast
3.231.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.92.135.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.92.135.0
Broadcast
3.92.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.88.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.88.84.0
Broadcast
3.88.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.37.184.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.37.184.0
Broadcast
13.37.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8566 , 2.35222
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.145.224.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.145.224.0
Broadcast
54.145.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.87.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.87.243.0
Broadcast
3.87.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.93.59.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.93.59.0
Broadcast
3.93.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.65.193.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.65.193.0
Broadcast
3.65.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
50.1109 , 8.68213
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.85.201.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.85.201.0
Broadcast
3.85.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.220.134.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.220.134.0
Broadcast
3.220.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.225.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.225.53.0
Broadcast
3.225.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.220.236.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.220.236.0
Broadcast
3.220.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.230.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.230.97.0
Broadcast
3.230.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.232.10.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.232.10.0
Broadcast
3.232.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.232.120.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.232.120.0
Broadcast
3.232.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.234.82.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.234.82.0
Broadcast
3.234.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.211.219.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.211.219.0
Broadcast
3.211.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

15.184.100.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
15.184.100.0
Broadcast
15.184.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.2167 , 50.5833
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.210.176.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.210.176.0
Broadcast
3.210.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.93.173.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.93.173.0
Broadcast
3.93.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.95.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
3.95.102.0
Broadcast
3.95.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.147.57.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.147.57.0
Broadcast
54.147.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.221.146.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.221.146.0
Broadcast
54.221.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.146.20.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.146.20.0
Broadcast
54.146.20.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

157.241.42.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
157.241.42.0
Broadcast
157.241.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
26.2167 , 50.5833
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.146.140.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.146.140.0
Broadcast
54.146.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

54.146.32.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
54.146.32.0
Broadcast
54.146.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.0438 , -77.4874
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

13.42.205.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
13.42.205.0
Broadcast
13.42.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.5074 , -0.127758
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS16509 · Amazon.com, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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