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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: Lyss · Clear
Snapshot 2026-01-20 Results 4 Page 1 / 1

213.221.204.0/24

Risk Max 1 LOW Footprint 0.391% Hits 240
Prefix / IP version
/24 · IPv4
Network
213.221.204.0
Broadcast
213.221.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.0811 , 7.3095
Hits / Errors
240 hits · 0 errors
First / Last seen
2024-11-07 12:05 · 2024-11-07 13:16
Top ASN
AS15600 · Quickline AG
Top organization / ISP
GA Weissenstein GmbH · Finecom Telecommunications AG
Top geo
Switzerland · Bern · Lyss
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2
Open report →

138.0.73.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
138.0.73.0
Broadcast
138.0.73.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.9676999999999993 , -40.6781
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-05-05 05:06 · 2025-05-05 20:12
Top ASN
AS264531 · HET INTERNET LTDA
Top organization / ISP
Alysson Ally Costa Damasceno ME · HET INTERNET LTDA
Top geo
Brazil · Ceará · Pacujá
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

131.0.219.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
131.0.219.0
Broadcast
131.0.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-24.5681 , -49.4197
Hits / Errors
5 hits · 3 errors
First / Last seen
2025-12-01 11:34 · 2025-12-01 11:34
Top ASN
AS28613 · HUGHES TELECOMUNICACOES DO BRASIL LTDA.
Top organization / ISP
Hughes Telecomunicacoes Do Brasil Ltda · Hughes Telecomunicacoes Do Brasil Ltda.
Top geo
Brazil · Paraná · Doutor Ulysses
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

45.176.153.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.176.153.0
Broadcast
45.176.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-24.635 , -49.4002
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-17 02:52 · 2025-09-17 02:52
Top ASN
—
Top organization / ISP
Mattos Equipamentos Eletronicos · Mattos Equipamentos Eletronicos
Top geo
Brazil · Paraná · Doutor Ulysses
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →