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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.

65.29.241.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
65.29.241.0
Broadcast
65.29.241.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7009 , -88.5462
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-20 00:25 · 2025-04-20 00:25
Top ASN
Top organization / ISP
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2

104.28.103.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
104.28.103.0
Broadcast
104.28.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0382 , -87.91
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-04 16:25 · 2025-04-04 16:25
Top ASN
AS13335 · Cloudflare, Inc.
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

216.56.6.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.56.6.0
Broadcast
216.56.6.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0818 , -87.892
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-03 20:51 · 2025-04-03 20:51
Top ASN
AS2381 · WiscNet
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

74.135.166.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.135.166.0
Broadcast
74.135.166.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1601 , -87.9944
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-17 22:54 · 2025-02-17 22:54
Top ASN
Top organization / ISP
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

98.144.200.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
98.144.200.0
Broadcast
98.144.200.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.9135 , -87.8556
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-17 07:42 · 2025-02-17 07:42
Top ASN
Top organization / ISP
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2
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