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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.

181.232.179.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.232.179.0
Broadcast
181.232.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:45 · 2025-12-14 11:45
Top ASN
AS271516 · UNAFIBER TELECOM LTDA
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

45.172.175.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.172.175.0
Broadcast
45.172.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 08:55 · 2025-12-14 08:55
Top ASN
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

177.158.82.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.158.82.0
Broadcast
177.158.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-26 05:39 · 2025-11-26 05:39
Top ASN
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

138.121.224.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.224.0
Broadcast
138.121.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 21:14 · 2025-11-24 21:14
Top ASN
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

170.233.158.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.233.158.0
Broadcast
170.233.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-23 20:26 · 2025-11-23 20:26
Top ASN
Top geo
Window / Updated
2025-11-17 → 2025-11-24 · Updated 2026-01-14 · v2

170.233.159.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.233.159.0
Broadcast
170.233.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 12:53 · 2025-11-06 12:53
Top ASN
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

181.232.177.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.232.177.0
Broadcast
181.232.177.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 09:22 · 2025-11-06 09:22
Top ASN
AS271516 · UNAFIBER TELECOM LTDA
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

131.221.245.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.245.0
Broadcast
131.221.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-14 21:33 · 2025-10-14 21:33
Top ASN
Top geo
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

131.221.247.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.247.0
Broadcast
131.221.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-07 06:43 · 2025-10-07 06:43
Top ASN
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

168.205.208.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
168.205.208.0
Broadcast
168.205.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-07 01:41 · 2025-10-07 01:41
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

138.121.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.226.0
Broadcast
138.121.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 08:02 · 2025-09-16 08:02
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

138.121.225.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.225.0
Broadcast
138.121.225.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-26 19:12 · 2025-08-26 19:12
Top ASN
Top geo
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

138.121.227.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.121.227.0
Broadcast
138.121.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-16.5863 , -46.7701
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-06-22 14:37 · 2025-06-22 14:37
Top ASN
Top geo
Window / Updated
2025-06-16 → 2025-06-23 · Updated 2026-01-14 · v2