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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 (ukwest) · Clear
Snapshot 2026-02-03 Results 8 Page 1 / 1

20.254.157.0/24

Risk Max 2 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
20.254.157.0
Broadcast
20.254.157.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
4 hits · 2 errors
First / Last seen
2023-10-30 16:35 · 2023-10-30 22:07
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2
Open report →

20.90.50.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
20.90.50.0
Broadcast
20.90.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
4 hits · 2 errors
First / Last seen
2023-10-06 03:19 · 2023-10-06 03:19
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-10-02 → 2023-10-09 · Updated 2026-01-14 · v2
Open report →

20.117.22.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
20.117.22.0
Broadcast
20.117.22.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
5 hits · 4 errors
First / Last seen
2025-12-17 14:36 · 2025-12-17 14:42
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

20.90.7.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
20.90.7.0
Broadcast
20.90.7.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-12-17 10:48 · 2025-12-17 21:55
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

20.254.141.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
20.254.141.0
Broadcast
20.254.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
2 hits · 2 errors
First / Last seen
2023-10-23 22:39 · 2023-10-24 04:50
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-10-23 → 2023-10-30 · Updated 2026-01-14 · v2
Open report →

51.141.108.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
51.141.108.0
Broadcast
51.141.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-09-07 06:47 · 2023-09-07 06:47
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2
Open report →

20.254.171.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.254.171.0
Broadcast
20.254.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-09-13 17:17 · 2023-09-13 17:17
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-09-11 → 2023-09-18 · Updated 2026-01-14 · v2
Open report →

51.141.124.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
51.141.124.0
Broadcast
51.141.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.481785 , -3.178065
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-09-05 02:24 · 2023-09-05 02:24
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (ukwest) · Microsoft Corporation
Top geo
United Kingdom · Wales · Cardiff
Window / Updated
2023-09-04 → 2023-09-11 · Updated 2026-01-14 · v2
Open report →