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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 (canadacentral) · Clear
Snapshot 2026-01-20 Results 17 Page 1 / 1

20.200.126.0/24

Risk Max 41 MED Footprint 0.391% Hits 246
Prefix / IP version
/24 · IPv4
Network
20.200.126.0
Broadcast
20.200.126.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.38299999999998
Hits / Errors
246 hits · 0 errors
First / Last seen
2024-01-22 09:37 · 2024-01-23 10:45
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-01-22 → 2024-01-29 · Updated 2026-01-14 · v2
Open report →

4.206.216.0/24

Risk Max 11 LOW Footprint 0.391% Hits 37
Prefix / IP version
/24 · IPv4
Network
4.206.216.0
Broadcast
4.206.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
37 hits · 0 errors
First / Last seen
2023-12-20 19:57 · 2023-12-20 19:58
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2
Open report →

4.206.222.0/24

Risk Max 9 LOW Footprint 0.391% Hits 318
Prefix / IP version
/24 · IPv4
Network
4.206.222.0
Broadcast
4.206.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
318 hits · 294 errors
First / Last seen
2023-11-18 07:22 · 2023-11-19 23:42
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-11-13 → 2023-11-20 · Updated 2026-01-14 · v2
Open report →

20.220.22.0/24

Risk Max 9 LOW Footprint 0.391% Hits 159
Prefix / IP version
/24 · IPv4
Network
20.220.22.0
Broadcast
20.220.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
159 hits · 147 errors
First / Last seen
2024-02-02 13:40 · 2024-02-02 13:45
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-01-29 → 2024-02-05 · Updated 2026-01-14 · v2
Open report →

20.151.70.0/24

Risk Max 8 LOW Footprint 0.391% Hits 159
Prefix / IP version
/24 · IPv4
Network
20.151.70.0
Broadcast
20.151.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
159 hits · 147 errors
First / Last seen
2023-12-31 20:53 · 2023-12-31 20:59
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-12-25 → 2024-01-01 · Updated 2026-01-14 · v2
Open report →

4.206.194.0/24

Risk Max 3 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
4.206.194.0
Broadcast
4.206.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
1 hits · 1 errors
First / Last seen
2023-10-17 17:31 · 2023-10-17 17:31
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-10-16 → 2023-10-23 · Updated 2026-01-14 · v2
Open report →

20.116.219.0/24

Risk Max 1 LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
20.116.219.0
Broadcast
20.116.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
3 hits · 0 errors
First / Last seen
2023-12-12 08:02 · 2023-12-12 08:02
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-12-11 → 2023-12-18 · Updated 2026-01-14 · v2
Open report →

4.204.184.0/24

Risk Max — LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
4.204.184.0
Broadcast
4.204.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
31 hits · 0 errors
First / Last seen
2024-02-21 21:49 · 2024-02-21 21:50
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2
Open report →

4.204.211.0/24

Risk Max — LOW Footprint 0.391% Hits 28
Prefix / IP version
/24 · IPv4
Network
4.204.211.0
Broadcast
4.204.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
28 hits · 1 errors
First / Last seen
2024-02-26 05:41 · 2024-02-26 05:42
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-02-26 → 2024-03-04 · Updated 2026-01-14 · v2
Open report →

20.151.238.0/24

Risk Max — LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
20.151.238.0
Broadcast
20.151.238.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
7 hits · 3 errors
First / Last seen
2024-02-13 14:23 · 2024-02-13 14:23
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2
Open report →

4.205.25.0/24

Risk Max — LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
4.205.25.0
Broadcast
4.205.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
7 hits · 3 errors
First / Last seen
2024-01-07 17:21 · 2024-01-07 18:04
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2
Open report →

4.229.225.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
4.229.225.0
Broadcast
4.229.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-12-17 08:52 · 2025-12-17 09:45
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

4.206.210.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
4.206.210.0
Broadcast
4.206.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
3 hits · 1 errors
First / Last seen
2023-07-14 00:57 · 2023-07-14 00:57
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-07-10 → 2023-07-17 · Updated 2026-01-14 · v2
Open report →

4.174.162.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
4.174.162.0
Broadcast
4.174.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-09-08 09:29 · 2024-09-08 09:30
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-09-02 → 2024-09-09 · Updated 2026-01-14 · v2
Open report →

4.206.219.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
4.206.219.0
Broadcast
4.206.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-01-04 23:41 · 2024-01-04 23:44
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2
Open report →

4.172.248.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
4.172.248.0
Broadcast
4.172.248.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
1 hits · 0 errors
First / Last seen
2024-09-15 14:11 · 2024-09-15 14:11
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2024-09-09 → 2024-09-16 · Updated 2026-01-14 · v2
Open report →

20.220.17.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
20.220.17.0
Broadcast
20.220.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.653 , -79.383
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-12-04 18:44 · 2023-12-04 18:44
Top ASN
AS8075 · Microsoft Corporation
Top organization / ISP
Microsoft Azure Cloud (canadacentral) · Microsoft Corporation
Top geo
Canada · Ontario · Toronto
Window / Updated
2023-12-04 → 2023-12-11 · Updated 2026-01-14 · v2
Open report →