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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: St. Thomas · Clear
Snapshot 2026-02-28 Results 14 Page 1 / 1

99.255.217.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
99.255.217.0
Broadcast
99.255.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. YM · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.255.133.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
99.255.133.0
Broadcast
99.255.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7778 , -81.1825
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-17 02:00 · 2026-02-21 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. BRNTFD · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.244.231.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
99.244.231.0
Broadcast
99.244.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. MTMC · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

142.90.37.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
142.90.37.0
Broadcast
142.90.37.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 02:00
Top ASN
AS40788 · Start Communications
Top organization / ISP
Start Communications · Start Communications
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.217.0.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
99.217.0.0
Broadcast
99.217.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. ORVL · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

142.90.35.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
142.90.35.0
Broadcast
142.90.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS40788 · Start Communications
Top organization / ISP
Start Communications · Start Communications
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.255.129.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.255.129.0
Broadcast
99.255.129.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7778 , -81.1825
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-20 02:00 · 2026-02-21 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. BRNTFD · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

142.90.36.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
142.90.36.0
Broadcast
142.90.36.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.7778 , -81.1825
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS40788 · Start Communications
Top organization / ISP
Start Communications · Start Communications
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.217.14.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.217.14.0
Broadcast
99.217.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. ORVL · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

72.53.193.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
72.53.193.0
Broadcast
72.53.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS395965 · Carrytel
Top organization / ISP
Carrytel · Carrytel
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.226.152.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.226.152.0
Broadcast
99.226.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. YM · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.244.235.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.244.235.0
Broadcast
99.244.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. MTMC · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

142.90.33.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
142.90.33.0
Broadcast
142.90.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 02:00
Top ASN
AS40788 · Start Communications
Top organization / ISP
Start Communications · Start Communications
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

99.217.10.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
99.217.10.0
Broadcast
99.217.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.755 , -81.1821
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 02:00
Top ASN
AS812 · Rogers Communications Canada Inc.
Top organization / ISP
Rogers Cable Inc. ORVL · Rogers Communications Canada Inc.
Top geo
Canada · Ontario · St. Thomas
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →