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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 (northcentralus) · Clear
Snapshot 2026-03-10 Results 7 Page 1 / 1

172.183.222.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
172.183.222.0
Broadcast
172.183.222.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
41.8819 , -87.62780000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · Microsoft
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

40.116.73.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
40.116.73.0
Broadcast
40.116.73.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · Microsoft Corporation
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

135.232.232.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.232.232.0
Broadcast
135.232.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · MICROSOFT
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

20.98.18.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
20.98.18.0
Broadcast
20.98.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · Microsoft Corporation
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.183.131.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.183.131.0
Broadcast
172.183.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · Microsoft
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

135.232.193.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
135.232.193.0
Broadcast
135.232.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · MICROSOFT
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.183.135.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.183.135.0
Broadcast
172.183.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.8819 , -87.6278
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (northcentralus) · Microsoft
Top geo
United States · Illinois · Chicago
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →