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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: Microsoft Azure Cloud (eastus) · Clear
Snapshot 2026-03-18 Results — Page 1 / 1

172.190.142.0/24

Risk Max 8 LOW Footprint 0.391% Hits 288
Prefix / IP version
/24 · IPv4
Network
172.190.142.0
Broadcast
172.190.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
288 hits · 144 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

135.237.126.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.237.126.0
Broadcast
135.237.126.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · MICROSOFT
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

40.88.21.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
40.88.21.0
Broadcast
40.88.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-13 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

135.237.127.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
135.237.127.0
Broadcast
135.237.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · MICROSOFT
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

20.119.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.119.74.0
Broadcast
20.119.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

20.246.194.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.246.194.0
Broadcast
20.246.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

4.255.125.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
4.255.125.0
Broadcast
4.255.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

52.249.221.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
52.249.221.0
Broadcast
52.249.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

172.203.234.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.203.234.0
Broadcast
172.203.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

74.235.162.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
74.235.162.0
Broadcast
74.235.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

135.237.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
135.237.123.0
Broadcast
135.237.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · MICROSOFT
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

40.76.116.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
40.76.116.0
Broadcast
40.76.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

48.217.87.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
48.217.87.0
Broadcast
48.217.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.677696 , -78.37471
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (eastus) · Microsoft Corporation
Top geo
United States · Virginia · Boydton
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →