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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.

181.94.225.0/24

Risk Max LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
181.94.225.0
Broadcast
181.94.225.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-25.2869 , -57.65109999999999
Hits / Errors
8 hits · 1 errors
First / Last seen
2025-12-17 00:03 · 2025-12-17 23:15
Top ASN
AS27895 · Núcleo S.A.
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.94.232.0/24

Risk Max LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
181.94.232.0
Broadcast
181.94.232.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
-27.3323 , -55.8657
Hits / Errors
8 hits · 1 errors
First / Last seen
2025-12-17 04:04 · 2025-12-17 21:27
Top ASN
AS27895 · Núcleo S.A.
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.94.226.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.94.226.0
Broadcast
181.94.226.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-25.2869 , -57.6511
Hits / Errors
5 hits · 1 errors
First / Last seen
2025-12-17 06:04 · 2025-12-17 21:53
Top ASN
AS27895 · Núcleo S.A.
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.85.167.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.85.167.0
Broadcast
181.85.167.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-25.5991 , -54.5736
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-09-16 20:31 · 2025-09-21 13:42
Top ASN
Top organization / ISP
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

181.89.107.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.89.107.0
Broadcast
181.89.107.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.189000000000004 , -58.1826
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-09-15 11:12 · 2025-09-17 21:02
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

181.4.64.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.4.64.0
Broadcast
181.4.64.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 13:35 · 2025-12-17 14:54
Top ASN
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.4.52.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.4.52.0
Broadcast
181.4.52.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.4706 , -58.5355
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 06:34 · 2025-12-17 09:53
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.13.173.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.13.173.0
Broadcast
181.13.173.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-27.47005 , -59.505750000000006
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-11-05 10:18 · 2025-11-06 02:53
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

181.87.55.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.87.55.0
Broadcast
181.87.55.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.6725 , -64.4338
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-16 07:17 · 2025-09-17 18:33
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

181.9.211.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.9.211.0
Broadcast
181.9.211.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-10 23:46 · 2025-09-12 23:05
Top ASN
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

181.85.240.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.85.240.0
Broadcast
181.85.240.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.816 , -65.2154
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-12 16:52 · 2025-09-12 19:55
Top ASN
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

181.81.56.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.81.56.0
Broadcast
181.81.56.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-27.4512 , -58.9865
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-09 10:02 · 2025-09-11 22:03
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

186.127.10.0/24

Risk Max LOW Footprint 0.391% Hits 42
Prefix / IP version
/24 · IPv4
Network
186.127.10.0
Broadcast
186.127.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.0296 , -64.0816
Hits / Errors
42 hits · 8 errors
First / Last seen
2024-12-29 16:22 · 2024-12-29 16:26
Top ASN
Top organization / ISP
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

181.9.199.0/24

Risk Max LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
181.9.199.0
Broadcast
181.9.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
34 hits · 5 errors
First / Last seen
2025-01-01 18:25 · 2025-01-01 18:28
Top ASN
Top organization / ISP
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

186.152.96.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
186.152.96.0
Broadcast
186.152.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.381099999999996
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-01-29 01:52 · 2025-01-29 01:55
Top ASN
Top organization / ISP
Window / Updated
2025-01-27 → 2025-02-03 · Updated 2026-01-14 · v2

186.111.165.0/24

Risk Max LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
186.111.165.0
Broadcast
186.111.165.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.4057 , -64.1849
Hits / Errors
13 hits · 1 errors
First / Last seen
2024-09-09 14:27 · 2024-09-09 14:28
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-09-09 → 2024-09-16 · Updated 2026-01-14 · v2

181.81.63.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
181.81.63.0
Broadcast
181.81.63.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4512 , -58.9865
Hits / Errors
12 hits · 0 errors
First / Last seen
2025-11-06 06:18 · 2025-11-06 06:19
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

181.9.226.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
181.9.226.0
Broadcast
181.9.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.954 , -60.6634
Hits / Errors
12 hits · 0 errors
First / Last seen
2025-10-28 01:17 · 2025-10-28 01:17
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

181.9.227.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
181.9.227.0
Broadcast
181.9.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.954 , -60.6634
Hits / Errors
6 hits · 0 errors
First / Last seen
2025-08-10 19:28 · 2025-08-10 19:34
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

181.13.72.0/24

Risk Max LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.13.72.0
Broadcast
181.13.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
5 hits · 1 errors
First / Last seen
2025-01-23 00:02 · 2025-01-23 00:03
Top ASN
Top organization / ISP
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2

181.98.145.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.98.145.0
Broadcast
181.98.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.063 , -59.0531
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-10-02 05:13 · 2025-10-02 05:13
Top ASN
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

186.152.243.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.152.243.0
Broadcast
186.152.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-08-02 22:53 · 2025-08-02 22:53
Top ASN
Top organization / ISP
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

181.99.148.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.99.148.0
Broadcast
181.99.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.432599999999997 , -66.8524
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-11-06 22:46 · 2025-11-06 22:46
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

181.89.224.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.89.224.0
Broadcast
181.89.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-10-11 04:56 · 2025-10-11 04:56
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.94.229.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.94.229.0
Broadcast
181.94.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.2869 , -57.6511
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 19:35 · 2025-12-17 19:35
Top ASN
AS27895 · Núcleo S.A.
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.97.27.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.97.27.0
Broadcast
181.97.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.3833 , -55.8833
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 10:12 · 2025-12-17 10:12
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.104.4.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.104.4.0
Broadcast
181.104.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.1325 , -59.2666
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-12-17 07:05 · 2025-12-17 07:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

186.127.154.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.127.154.0
Broadcast
186.127.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.3999 , -64.5143
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 01:34 · 2025-12-17 06:04
Top ASN
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.97.105.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.97.105.0
Broadcast
181.97.105.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-27.4685 , -58.8313
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 04:04 · 2025-12-17 04:04
Top ASN
Top organization / ISP
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.97.43.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.97.43.0
Broadcast
181.97.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.5918 , -54.5764
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-12-14 21:09 · 2025-12-14 21:09
Top ASN
Top organization / ISP
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

181.84.67.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.84.67.0
Broadcast
181.84.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.7856 , -60.453
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-11-29 08:19 · 2025-11-29 08:19
Top ASN
Top organization / ISP
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

181.84.40.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.84.40.0
Broadcast
181.84.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.954 , -60.6634
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-29 08:13 · 2025-11-29 08:13
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

181.2.9.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.2.9.0
Broadcast
181.2.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.6725 , -64.4338
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-25 18:55 · 2025-11-26 02:49
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

181.89.118.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.89.118.0
Broadcast
181.89.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.063 , -59.0531
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-24 20:03 · 2025-11-24 20:03
Top ASN
Top organization / ISP
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

181.86.42.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.86.42.0
Broadcast
181.86.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.4057 , -64.1849
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-28 11:52 · 2025-10-28 11:52
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

181.104.39.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.104.39.0
Broadcast
181.104.39.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-10 17:30 · 2025-10-12 06:52
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.97.76.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.97.76.0
Broadcast
181.97.76.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-36.0 , -59.9964
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-11 16:30 · 2025-10-11 16:30
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.86.125.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.86.125.0
Broadcast
181.86.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-24.7831 , -65.4111
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-11 10:35 · 2025-10-11 10:35
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.85.18.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.85.18.0
Broadcast
181.85.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-37.9951 , -57.541
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-10 07:10 · 2025-10-10 07:10
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.98.84.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.98.84.0
Broadcast
181.98.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.7403 , -60.7496
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-10-10 00:06 · 2025-10-10 00:06
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
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