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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.

177.221.122.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.221.122.0
Broadcast
177.221.122.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-20.2877 , -40.2852
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

38.199.99.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
38.199.99.0
Broadcast
38.199.99.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-20.316299999999995 , -40.3457
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

186.233.129.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.233.129.0
Broadcast
186.233.129.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-20.2877 , -40.2852
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

164.163.206.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
164.163.206.0
Broadcast
164.163.206.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-20.769 , -41.188
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

177.221.120.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.120.0
Broadcast
177.221.120.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-20.2877 , -40.2852
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

177.221.121.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.121.0
Broadcast
177.221.121.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-20.2877 , -40.2852
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

187.0.35.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.0.35.0
Broadcast
187.0.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-17.5321 , -39.738
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS270604 · AT3 TECNOLOGIA EIRELI
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

177.66.217.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.66.217.0
Broadcast
177.66.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-19.7704 , -44.0639
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

177.137.230.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.137.230.0
Broadcast
177.137.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.2877 , -40.2852
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2