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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.

132.255.91.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
132.255.91.0
Broadcast
132.255.91.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.0602 , -40.2561
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-24 05:23 · 2025-09-28 22:44
Top geo
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

181.111.242.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.111.242.0
Broadcast
181.111.242.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-29.1763 , -56.6426
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-09-11 12:25 · 2025-09-14 08:41
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

181.21.51.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.21.51.0
Broadcast
181.21.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-10-07 14:32 · 2025-10-07 14:32
Top ASN
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

45.188.125.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
45.188.125.0
Broadcast
45.188.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
17.9724 , -92.7853
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-09-12 10:20 · 2025-09-14 03:14
Top ASN
AS265606 · DIGY NETWORKS
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

8.243.64.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
8.243.64.0
Broadcast
8.243.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.3781 , -74.8836
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-12-17 20:04 · 2025-12-17 20:04
Top ASN
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

181.21.61.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.61.0
Broadcast
181.21.61.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-06 11:21 · 2025-09-06 11:21
Top ASN
Window / Updated
2025-09-01 → 2025-09-08 · Updated 2026-01-14 · v2

170.233.209.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.233.209.0
Broadcast
170.233.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3895 , -59.04
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-08-26 19:24 · 2025-08-26 19:24
Top geo
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

170.247.1.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.247.1.0
Broadcast
170.247.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.5841 , -76.9239
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 11:16 · 2025-12-17 11:16
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

170.233.210.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.233.210.0
Broadcast
170.233.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3895 , -59.04
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-01 19:38 · 2025-12-01 19:38
Top geo
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2

181.21.48.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.48.0
Broadcast
181.21.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-15 21:12 · 2025-11-15 21:12
Top ASN
Window / Updated
2025-11-10 → 2025-11-17 · Updated 2026-01-14 · v2

181.21.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.53.0
Broadcast
181.21.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-09 18:52 · 2025-10-09 18:52
Top ASN
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.10.151.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.10.151.0
Broadcast
181.10.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-29.1763 , -56.6426
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-09 10:22 · 2025-10-09 10:22
Top ASN
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

190.101.19.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.101.19.0
Broadcast
190.101.19.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.8344 , -71.2339
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-08 19:21 · 2025-10-08 19:21
Top ASN
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

181.21.56.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.56.0
Broadcast
181.21.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-29 11:32 · 2025-09-29 11:32
Top ASN
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

181.21.59.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.59.0
Broadcast
181.21.59.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-25 07:51 · 2025-09-25 07:51
Top ASN
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

181.21.50.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.50.0
Broadcast
181.21.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-25 02:02 · 2025-09-25 02:02
Top ASN
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2

181.21.49.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.49.0
Broadcast
181.21.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 00:23 · 2025-09-22 00:23
Top ASN
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

181.21.54.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.54.0
Broadcast
181.21.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-18 02:25 · 2025-09-18 02:25
Top ASN
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

181.21.62.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.62.0
Broadcast
181.21.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-15 12:22 · 2025-09-15 12:22
Top ASN
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

132.255.89.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
132.255.89.0
Broadcast
132.255.89.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.0602 , -40.2561
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-14 05:50 · 2025-09-14 05:50
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

181.21.60.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.60.0
Broadcast
181.21.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-12 22:51 · 2025-09-12 22:51
Top ASN
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

170.247.0.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.247.0.0
Broadcast
170.247.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.5841 , -76.9239
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-12 14:05 · 2025-09-12 14:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

170.247.3.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.247.3.0
Broadcast
170.247.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
1.5841 , -76.9239
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-12 13:29 · 2025-09-12 13:29
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

181.21.52.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.52.0
Broadcast
181.21.52.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9141 , -68.7297
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-12 05:32 · 2025-09-12 05:32
Top ASN
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

38.65.172.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
38.65.172.0
Broadcast
38.65.172.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
20.8147 , -100.501
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-09 14:43 · 2025-09-09 14:43
Top ASN
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

170.233.208.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.233.208.0
Broadcast
170.233.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3895 , -59.04
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-06 23:00 · 2025-08-06 23:00
Top geo
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2

46.136.181.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.136.181.0
Broadcast
46.136.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
28.4186 , -16.5473
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 16:20 · 2025-05-06 16:20
Top ASN
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

90.173.209.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.173.209.0
Broadcast
90.173.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
28.4186 , -16.5473
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-05 16:15 · 2025-05-05 16:15
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
— · Uni2
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2