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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: ADMON · Clear
Snapshot 2026-01-21 Results 4 Page 1 / 1

216.19.201.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
216.19.201.0
Broadcast
216.19.201.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4316 , -78.6569
Hits / Errors
2 hits · 0 errors
First / Last seen
2024-04-18 07:16 · 2024-04-18 07:16
Top ASN
AS26667 · Magnite, Inc.
Top organization / ISP
ADMON · Magnite
Top geo
United States · Virginia · Charlottesville
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2
Open report →

216.19.204.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
216.19.204.0
Broadcast
216.19.204.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.4316 , -78.6569
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-04-18 16:11 · 2024-04-18 16:12
Top ASN
AS26667 · Magnite, Inc.
Top organization / ISP
ADMON · Magnite
Top geo
United States · Virginia · Charlottesville
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2
Open report →

216.19.203.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
216.19.203.0
Broadcast
216.19.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4316 , -78.6569
Hits / Errors
4 hits · 0 errors
First / Last seen
2024-04-18 16:11 · 2024-04-18 16:11
Top ASN
AS26667 · Magnite, Inc.
Top organization / ISP
ADMON · Magnite
Top geo
United States · Virginia · Charlottesville
Window / Updated
2024-04-15 → 2024-04-22 · Updated 2026-01-14 · v2
Open report →

216.19.200.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
216.19.200.0
Broadcast
216.19.200.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.4316 , -78.6569
Hits / Errors
3 hits · 0 errors
First / Last seen
2023-12-18 11:20 · 2023-12-18 11:20
Top ASN
AS26667 · Magnite, Inc.
Top organization / ISP
ADMON · Magnite
Top geo
United States · Virginia · Charlottesville
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2
Open report →