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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.
Active filter: Merrill · Clear
Snapshot 2026-01-23 Results 5 Page 1 / 1

166.137.83.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
166.137.83.0
Broadcast
166.137.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.1805 , -89.6835
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-11-26 06:08 · 2024-11-26 06:08
Top ASN
AS20057 · AT&T Enterprises, LLC
Top organization / ISP
AT&T Enterprises, LLC · AT&T Enterprises, LLC
Top geo
United States · Wisconsin · Merrill
Window / Updated
2024-11-25 → 2024-12-02 · Updated 2026-01-14 · v2
Open report →

73.75.89.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.75.89.0
Broadcast
73.75.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4934 , -87.3548
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 06:30 · 2025-05-06 06:30
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications, LLC
Top geo
United States · Indiana · Merrillville
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

73.75.90.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.75.90.0
Broadcast
73.75.90.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4934 , -87.3548
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 05:57 · 2025-05-06 05:57
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications, LLC
Top geo
United States · Indiana · Merrillville
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

45.25.163.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.25.163.0
Broadcast
45.25.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4934 , -87.3548
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 16:56 · 2025-05-05 16:56
Top ASN
AS7018 · AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp · AT&T Enterprises, LLC
Top geo
United States · Indiana · Merrillville
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

216.56.250.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
216.56.250.0
Broadcast
216.56.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.1783 , -89.6915
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-03-07 21:52 · 2025-03-07 21:52
Top ASN
AS2381 · WiscNet
Top organization / ISP
WiscNet · WiscNet
Top geo
United States · Wisconsin · Merrill
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →