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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.

187.33.223.0/24

Risk Max LOW Footprint 1.953% Hits 76
Prefix / IP version
/24 · IPv4
Network
187.33.223.0
Broadcast
187.33.223.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-23.0741 , -52.46840000000001
Hits / Errors
76 hits · 6 errors
First / Last seen
2025-09-09 00:35 · 2025-09-12 13:42
Top ASN
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

186.233.229.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
186.233.229.0
Broadcast
186.233.229.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
5 hits · 0 errors
First / Last seen
2025-09-21 04:21 · 2025-09-21 08:51
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

190.111.129.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.111.129.0
Broadcast
190.111.129.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-14 12:54 · 2025-12-14 23:45
Top ASN
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

187.33.213.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.33.213.0
Broadcast
187.33.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-04 03:42 · 2025-10-04 03:42
Top ASN
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

187.33.210.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.33.210.0
Broadcast
187.33.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-17 22:27 · 2025-08-17 22:27
Top ASN
Top geo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

177.21.83.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.83.0
Broadcast
177.21.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 15:33 · 2025-12-17 15:33
Top ASN
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

131.255.54.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.255.54.0
Broadcast
131.255.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 11:24 · 2025-12-17 11:24
Top ASN
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

138.117.93.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.117.93.0
Broadcast
138.117.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 07:54 · 2025-12-17 07:54
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

179.84.47.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
179.84.47.0
Broadcast
179.84.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 03:05 · 2025-12-17 03:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.21.91.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.91.0
Broadcast
177.21.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:04 · 2025-12-14 11:04
Top ASN
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

177.21.80.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.80.0
Broadcast
177.21.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 15:36 · 2025-11-25 15:36
Top ASN
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

187.33.216.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.33.216.0
Broadcast
187.33.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 21:31 · 2025-11-06 21:31
Top ASN
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

177.21.95.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.95.0
Broadcast
177.21.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-14 15:51 · 2025-10-14 15:51
Top ASN
Top geo
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

177.55.32.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.55.32.0
Broadcast
177.55.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-11 10:44 · 2025-10-11 10:44
Top ASN
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

177.21.87.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.87.0
Broadcast
177.21.87.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-07 05:13 · 2025-10-07 05:13
Top ASN
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

187.33.219.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.33.219.0
Broadcast
187.33.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-02 18:21 · 2025-10-02 18:21
Top ASN
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

177.21.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.84.0
Broadcast
177.21.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 10:22 · 2025-09-16 10:22
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

187.33.214.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.33.214.0
Broadcast
187.33.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-15 09:40 · 2025-09-15 09:40
Top ASN
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

187.33.218.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.33.218.0
Broadcast
187.33.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-12 16:33 · 2025-09-12 16:33
Top ASN
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

138.117.92.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.117.92.0
Broadcast
138.117.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-08 11:12 · 2025-09-08 11:12
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

179.84.43.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
179.84.43.0
Broadcast
179.84.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-07 22:43 · 2025-09-07 22:43
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

177.21.86.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.21.86.0
Broadcast
177.21.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-27 18:10 · 2025-08-27 18:10
Top ASN
Top geo
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

187.33.217.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.33.217.0
Broadcast
187.33.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.0741 , -52.4684
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-14 04:22 · 2025-08-14 04:22
Top ASN
Top geo
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2