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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.

216.73.216.0/24

Risk Max 100 HIGH Footprint 1.172% Hits 5804167
Prefix / IP version
/24 · IPv4
Network
216.73.216.0
Broadcast
216.73.216.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
39.9625 , -83.0061
Hits / Errors
5804167 hits · 5960 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 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

34.162.230.0/24

Risk Max 1 LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
34.162.230.0
Broadcast
34.162.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9611 , -82.9987
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-07 02:00
Top ASN
AS396982 · Google LLC
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

64.252.75.0/24

Risk Max LOW Footprint 1.562% Hits 79
Prefix / IP version
/24 · IPv4
Network
64.252.75.0
Broadcast
64.252.75.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
79 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

68.21.236.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
68.21.236.0
Broadcast
68.21.236.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
40.131479999999996 , -81.86068
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-05 02:00 · 2026-03-07 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.26.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
172.59.26.0
Broadcast
172.59.26.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
41.1915 , -81.253975
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-07 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.14.3.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
3.14.3.0
Broadcast
3.14.3.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-03-04 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

216.131.84.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
216.131.84.0
Broadcast
216.131.84.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.1031 , -84.512
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-09 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.29.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.59.29.0
Broadcast
172.59.29.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
41.5 , -81.6938
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

76.34.229.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
76.34.229.0
Broadcast
76.34.229.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
41.4344 , -81.6373
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.241.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.59.241.0
Broadcast
172.59.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9391 , -83.0474
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

172.59.28.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.59.28.0
Broadcast
172.59.28.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
41.5 , -81.6938
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-04 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

64.252.76.0/24

Risk Max LOW Footprint 0.391% Hits 37
Prefix / IP version
/24 · IPv4
Network
64.252.76.0
Broadcast
64.252.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
37 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-09 02:00
Top ASN
AS14618 · Amazon.com, Inc.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

174.207.233.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
174.207.233.0
Broadcast
174.207.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.2487 , -84.3457
Hits / Errors
18 hits · 4 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 02:00
Top ASN
AS6167 · Verizon Business
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

3.130.168.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
3.130.168.0
Broadcast
3.130.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
16 hits · 5 errors
First / Last seen
2026-03-04 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

34.162.123.0/24

Risk Max LOW Footprint 0.391% Hits 14
Prefix / IP version
/24 · IPv4
Network
34.162.123.0
Broadcast
34.162.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9611 , -82.9987
Hits / Errors
14 hits · 5 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 02:00
Top ASN
AS396982 · Google LLC
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

18.218.118.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
18.218.118.0
Broadcast
18.218.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
12 hits · 6 errors
First / Last seen
2026-03-01 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

16.58.56.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
16.58.56.0
Broadcast
16.58.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
12 hits · 4 errors
First / Last seen
2026-03-01 02:00 · 2026-03-07 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

3.132.26.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
3.132.26.0
Broadcast
3.132.26.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-03-02 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

18.116.101.0/24

Risk Max LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
18.116.101.0
Broadcast
18.116.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
10 hits · 4 errors
First / Last seen
2026-03-01 02:00 · 2026-03-04 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

3.129.187.0/24

Risk Max LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
3.129.187.0
Broadcast
3.129.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
9 hits · 2 errors
First / Last seen
2026-03-02 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

3.12.85.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.12.85.0
Broadcast
3.12.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 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

18.221.227.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
18.221.227.0
Broadcast
18.221.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

18.119.100.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
18.119.100.0
Broadcast
18.119.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 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

3.144.97.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.144.97.0
Broadcast
3.144.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 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

3.16.213.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.16.213.0
Broadcast
3.16.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 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

18.216.124.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
18.216.124.0
Broadcast
18.216.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 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

3.131.220.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.131.220.0
Broadcast
3.131.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 2 errors
First / Last seen
2026-03-01 02:00 · 2026-03-03 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

3.14.129.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.14.129.0
Broadcast
3.14.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 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

3.148.102.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.148.102.0
Broadcast
3.148.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-03 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

3.148.236.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
3.148.236.0
Broadcast
3.148.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
6 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

18.219.209.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.219.209.0
Broadcast
18.219.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

18.221.5.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.221.5.0
Broadcast
18.221.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

18.223.124.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.223.124.0
Broadcast
18.223.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

18.227.111.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.227.111.0
Broadcast
18.227.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

3.138.201.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.138.201.0
Broadcast
3.138.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

3.150.126.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.150.126.0
Broadcast
3.150.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

3.21.75.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.21.75.0
Broadcast
3.21.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 3 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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

18.118.119.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.118.119.0
Broadcast
18.118.119.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-05 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

18.219.32.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
18.219.32.0
Broadcast
18.219.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-05 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

3.138.203.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
3.138.203.0
Broadcast
3.138.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0992 , -83.1141
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-05 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
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