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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.

135.26.145.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
135.26.145.0
Broadcast
135.26.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.767999999999994 , -121.33489999999999
Hits / Errors
7 hits · 0 errors
First / Last seen
2023-09-05 17:33 · 2023-09-05 17:33
Top ASN
AS14051 · Fidium
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2

156.47.66.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
156.47.66.0
Broadcast
156.47.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-04-18 05:27 · 2024-04-18 07:11
Top ASN
AS14051 · Fidium
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2

67.58.224.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.58.224.0
Broadcast
67.58.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-02 20:44 · 2025-08-02 20:44
Top ASN
AS14051 · Fidium
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

50.4.248.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.4.248.0
Broadcast
50.4.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4973 , -82.9371
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-17 16:08 · 2025-07-17 16:08
Top ASN
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

76.105.41.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.105.41.0
Broadcast
76.105.41.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-29 13:45 · 2025-05-29 13:45
Window / Updated
2025-05-26 → 2025-06-02 · Updated 2026-01-14 · v2

50.4.249.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.4.249.0
Broadcast
50.4.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.4973 , -82.9371
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-22 23:35 · 2025-05-22 23:35
Top ASN
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

67.58.244.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.58.244.0
Broadcast
67.58.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 18:27 · 2025-05-06 18:27
Top ASN
AS14051 · Fidium
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

97.191.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
97.191.211.0
Broadcast
97.191.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7609 , -121.2867
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 02:01 · 2025-05-06 02:01
Top ASN
AS6167 · Verizon Business
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

76.158.185.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.158.185.0
Broadcast
76.158.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 19:00 · 2025-05-05 19:00
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

76.158.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.158.149.0
Broadcast
76.158.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 15:03 · 2025-05-05 15:03
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

24.2.39.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
24.2.39.0
Broadcast
24.2.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7609 , -121.2867
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 09:04 · 2025-05-05 09:04
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

67.58.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.58.226.0
Broadcast
67.58.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 07:14 · 2025-05-05 07:14
Top ASN
AS14051 · Fidium
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

67.58.247.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
67.58.247.0
Broadcast
67.58.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.768 , -121.3349
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 03:48 · 2025-05-05 03:48
Top ASN
AS14051 · Fidium
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

23.27.254.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
23.27.254.0
Broadcast
23.27.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7609 , -121.2867
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-09 18:08 · 2025-02-09 18:08
Top ASN
AS11404 · Wave Broadband
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2