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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.

189.113.97.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
189.113.97.0
Broadcast
189.113.97.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-28.4748 , -52.8024
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-10-08 16:13 · 2025-10-10 09:13
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

177.72.232.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.72.232.0
Broadcast
177.72.232.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-28.5863 , -53.1789
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 14:27 · 2025-12-17 21:13
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.72.234.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.72.234.0
Broadcast
177.72.234.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-28.5863 , -53.1789
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 07:38 · 2025-12-17 20:05
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

187.63.20.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.63.20.0
Broadcast
187.63.20.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-29.0219 , -53.9747
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-04 02:52 · 2025-10-05 18:07
Top ASN
AS28212 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

131.221.12.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
131.221.12.0
Broadcast
131.221.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 08:23 · 2025-12-17 08:23
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.22.84.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.22.84.0
Broadcast
177.22.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-09 07:01 · 2025-09-09 07:01
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

131.221.13.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.13.0
Broadcast
131.221.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-01-03 14:30 · 2026-01-03 14:30
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-29 → 2026-01-05 · Updated 2026-01-14 · v2

187.63.21.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.63.21.0
Broadcast
187.63.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.0219 , -53.9747
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 10:08 · 2025-12-17 10:08
Top ASN
AS28212 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

187.63.22.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.63.22.0
Broadcast
187.63.22.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.0219 , -53.9747
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 08:18 · 2025-12-17 08:18
Top ASN
AS28212 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.232.153.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.232.153.0
Broadcast
181.232.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4748 , -52.8024
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 22:15 · 2025-11-24 22:15
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

177.72.235.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.72.235.0
Broadcast
177.72.235.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.5863 , -53.1789
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-14 09:04 · 2025-11-14 09:04
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-11-10 → 2025-11-17 · Updated 2026-01-14 · v2

131.221.14.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.14.0
Broadcast
131.221.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-06 04:50 · 2025-11-06 04:50
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

131.221.15.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.221.15.0
Broadcast
131.221.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-28 12:24 · 2025-10-28 12:24
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

177.72.233.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.72.233.0
Broadcast
177.72.233.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.5863 , -53.1789
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-28 05:03 · 2025-10-28 05:03
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

177.22.86.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.22.86.0
Broadcast
177.22.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.2866 , -52.4437
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-12 23:02 · 2025-10-12 23:02
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

45.171.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.171.149.0
Broadcast
45.171.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.0219 , -53.9747
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-04 13:12 · 2025-10-04 13:12
Top ASN
AS52892 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

187.63.23.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.63.23.0
Broadcast
187.63.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.0219 , -53.9747
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-20 20:41 · 2025-09-20 20:41
Top ASN
AS28212 · COPREL TELECOM LTDA
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

189.113.96.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.113.96.0
Broadcast
189.113.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.4748 , -52.8024
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-27 08:36 · 2025-08-27 08:36
Top ASN
Top organization / ISP
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

187.63.16.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.63.16.0
Broadcast
187.63.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.3878 , -53.9147
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-18 12:12 · 2025-07-18 12:12
Top ASN
Top organization / ISP
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

177.72.239.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.72.239.0
Broadcast
177.72.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-28.6308 , -53.0956
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-04-15 13:53 · 2025-04-15 13:53
Window / Updated
2025-04-14 → 2025-04-21 · Updated 2026-01-14 · v2