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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 (spaincentral) · Clear
Snapshot 2026-03-07 Results 4 Page 1 / 1

68.221.137.0/24

Risk Max 2 LOW Footprint 0.391% Hits 112
Prefix / IP version
/24 · IPv4
Network
68.221.137.0
Broadcast
68.221.137.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4203 , -3.7057740000000003
Hits / Errors
112 hits · 56 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (spaincentral) · Microsoft Corporation
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

68.221.75.0/24

Risk Max — LOW Footprint 3.516% Hits 19
Prefix / IP version
/24 · IPv4
Network
68.221.75.0
Broadcast
68.221.75.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
40.4203 , -3.7057739999999995
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (spaincentral) · Microsoft Corporation
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

68.221.67.0/24

Risk Max — LOW Footprint 3.516% Hits 14
Prefix / IP version
/24 · IPv4
Network
68.221.67.0
Broadcast
68.221.67.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
40.4203 , -3.705773999999999
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (spaincentral) · Microsoft Corporation
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

158.158.33.0/24

Risk Max — LOW Footprint 0.391% Hits 10
Prefix / IP version
/24 · IPv4
Network
158.158.33.0
Broadcast
158.158.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4203 , -3.7057739999999995
Hits / Errors
10 hits · 5 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 (spaincentral) · Microsoft Corporation
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →