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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: ADSL Frontier Communications DeKalb IL · Clear
Snapshot 2026-01-20 Results 7 Page 1 / 1

50.44.38.0/24

Risk Max — LOW Footprint 0.391% Hits 27
Prefix / IP version
/24 · IPv4
Network
50.44.38.0
Broadcast
50.44.38.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1534 , -77.6045
Hits / Errors
27 hits · 1 errors
First / Last seen
2025-02-01 06:04 · 2025-02-01 06:40
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · New York · Rochester
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2
Open report →

50.44.63.0/24

Risk Max — LOW Footprint 0.391% Hits 24
Prefix / IP version
/24 · IPv4
Network
50.44.63.0
Broadcast
50.44.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.5639 , -88.899
Hits / Errors
24 hits · 0 errors
First / Last seen
2025-03-06 23:16 · 2025-03-06 23:17
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · Illinois · Towanda
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →

104.235.103.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
104.235.103.0
Broadcast
104.235.103.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8417 , -89.3004
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-07-03 18:38 · 2025-07-03 18:38
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · Illinois · Franklin Grove
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2
Open report →

50.103.77.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
50.103.77.0
Broadcast
50.103.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.1492 , -88.9685
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-22 03:41 · 2025-07-22 03:41
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · Illinois · Clinton
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

50.103.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.103.121.0
Broadcast
50.103.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1534 , -77.6045
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-23 14:33 · 2025-05-23 14:33
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · New York · Rochester
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

50.103.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.103.83.0
Broadcast
50.103.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1214 , -88.8386
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 08:18 · 2025-05-06 08:18
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · Illinois · Streator
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

104.235.93.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
104.235.93.0
Broadcast
104.235.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.9977 , -88.6924
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-05 09:25 · 2025-05-05 09:25
Top ASN
AS5650 · Frontier Communications of America, Inc.
Top organization / ISP
ADSL Frontier Communications DeKalb IL · Frontier Communications Solutions
Top geo
United States · Illinois · Sycamore
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →