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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: AROSSCLOUD INC. · Clear
Snapshot 2026-01-20 Results 6 Page 1 / 1

154.217.243.0/24

Risk Max 4 LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
154.217.243.0
Broadcast
154.217.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0549 , -118.24299999999998
Hits / Errors
5 hits · 3 errors
First / Last seen
2025-08-23 04:05 · 2025-08-23 04:06
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
Fastmos Co Limited · Arosscloud Inc.
Top geo
United States · California · Los Angeles
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

38.165.44.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
38.165.44.0
Broadcast
38.165.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0549 , -118.243
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-09-17 11:41 · 2024-09-20 21:14
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
PEG Tech Inc · Cogent Communications
Top geo
United States · California · Los Angeles
Window / Updated
2024-09-16 → 2024-09-23 · Updated 2026-01-14 · v2
Open report →

38.12.25.0/24

Risk Max — LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
38.12.25.0
Broadcast
38.12.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3388 , -121.8916
Hits / Errors
6 hits · 2 errors
First / Last seen
2023-10-04 07:53 · 2023-10-05 22:47
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
PEG Tech Inc · Cogent Communications
Top geo
United States · California · San Jose
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2
Open report →

38.55.144.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
38.55.144.0
Broadcast
38.55.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0549 , -118.243
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-01-30 03:57 · 2024-01-30 03:57
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
PEG TECH INC · Cogent Communications
Top geo
United States · California · Los Angeles
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2
Open report →

38.14.255.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
38.14.255.0
Broadcast
38.14.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.3388 , -121.8916
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-03-07 14:30 · 2025-03-07 14:30
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
PEG TECH INC · Cogent Communications
Top geo
United States · California · San Jose
Window / Updated
2025-03-03 → 2025-03-10 · Updated 2026-01-14 · v2
Open report →

156.239.43.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
156.239.43.0
Broadcast
156.239.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.0549 , -118.243
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-08-10 11:22 · 2023-08-10 11:22
Top ASN
AS400619 · AROSSCLOUD INC.
Top organization / ISP
Fastmos Co Limited · Sprious
Top geo
United States · California · Los Angeles
Window / Updated
2023-08-07 → 2023-08-14 · Updated 2026-01-14 · v2
Open report →