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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.

177.221.249.0/24

Risk Max LOW Footprint 2.344% Hits 11
Prefix / IP version
/24 · IPv4
Network
177.221.249.0
Broadcast
177.221.249.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-17.734000000000005 , -48.6594
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.255.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
177.221.255.0
Broadcast
177.221.255.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-17.734000000000005 , -48.6594
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.252.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
177.221.252.0
Broadcast
177.221.252.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-17.734 , -48.6594
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.242.0/24

Risk Max LOW Footprint 0.781% Hits 8
Prefix / IP version
/24 · IPv4
Network
177.221.242.0
Broadcast
177.221.242.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-16.8428 , -49.2468
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.248.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
177.221.248.0
Broadcast
177.221.248.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-17.734 , -48.6594
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.241.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.241.0
Broadcast
177.221.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-16.8428 , -49.2468
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.251.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.251.0
Broadcast
177.221.251.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-17.734 , -48.6594
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.246.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.246.0
Broadcast
177.221.246.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.8428 , -49.2468
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.247.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.221.247.0
Broadcast
177.221.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.8428 , -49.2468
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

177.221.253.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.221.253.0
Broadcast
177.221.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-17.734 , -48.6594
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2