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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.

75.173.42.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
75.173.42.0
Broadcast
75.173.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-02-24 09:35 · 2025-02-24 09:46
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2

75.173.78.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
75.173.78.0
Broadcast
75.173.78.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-23 17:57 · 2025-05-23 17:57
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

67.146.255.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.146.255.0
Broadcast
67.146.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 19:33 · 2025-12-01 19:33
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2

66.231.25.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.231.25.0
Broadcast
66.231.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3869 , -98.8445
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-28 03:21 · 2025-08-28 03:21
Top ASN
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

67.146.248.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.146.248.0
Broadcast
67.146.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-10 21:14 · 2025-08-10 21:14
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

67.146.252.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.146.252.0
Broadcast
67.146.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 13:34 · 2025-05-05 13:34
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

75.173.68.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
75.173.68.0
Broadcast
75.173.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
30.6915 , -92.2672
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 09:48 · 2025-05-05 09:48
Top ASN
AS19901 · Brightspeed
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2