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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.

190.181.86.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
190.181.86.0
Broadcast
190.181.86.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-34.36506000000001 , -58.70934
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.197.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.225.197.0
Broadcast
181.225.197.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.1.233.0/24

Risk Max LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
186.1.233.0
Broadcast
186.1.233.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.5076 , -58.68630000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.74.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.181.74.0
Broadcast
190.181.74.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.1.231.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
186.1.231.0
Broadcast
186.1.231.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.85.0/24

Risk Max LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.181.85.0
Broadcast
190.181.85.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.3725 , -58.71016666666667
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.202.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.225.202.0
Broadcast
181.225.202.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.0.141.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.0.141.0
Broadcast
186.0.141.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7473 , -58.4726
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.203.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.225.203.0
Broadcast
181.225.203.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.116.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.181.116.0
Broadcast
190.181.116.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.3671 , -58.653
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.216.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
181.225.216.0
Broadcast
181.225.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6614 , -58.7027
Hits / Errors
17 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.208.0/24

Risk Max LOW Footprint 0.391% Hits 6
Prefix / IP version
/24 · IPv4
Network
181.225.208.0
Broadcast
181.225.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.210.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.225.210.0
Broadcast
181.225.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.71.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.181.71.0
Broadcast
190.181.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.80.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.181.80.0
Broadcast
190.181.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4097 , -58.7143
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.101.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.181.101.0
Broadcast
190.181.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.215.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.225.215.0
Broadcast
181.225.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.212.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.225.212.0
Broadcast
181.225.212.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.0.138.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.0.138.0
Broadcast
186.0.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.3833 , -64.6333
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.111.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.181.111.0
Broadcast
190.181.111.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.100.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.100.0
Broadcast
190.181.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.127.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.127.0
Broadcast
190.181.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.79.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.79.0
Broadcast
190.181.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.0.139.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.0.139.0
Broadcast
186.0.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-25.3833 , -64.6333
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.0.140.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.0.140.0
Broadcast
186.0.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6654 , -58.7274
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.1.244.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.1.244.0
Broadcast
186.1.244.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.1.226.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.1.226.0
Broadcast
186.1.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4558 , -58.7086
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

186.1.236.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.1.236.0
Broadcast
186.1.236.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4205 , -58.8725
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.125.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.125.0
Broadcast
190.181.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.118.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.118.0
Broadcast
190.181.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.346 , -58.7945
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.122.0
Broadcast
190.181.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.193.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.193.0
Broadcast
181.225.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.211.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.211.0
Broadcast
181.225.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.114.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.114.0
Broadcast
190.181.114.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.812 , -58.337
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.117.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.117.0
Broadcast
190.181.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.88.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.88.0
Broadcast
190.181.88.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.4097 , -58.7143
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.217.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.217.0
Broadcast
181.225.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6614 , -58.7027
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.196.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.196.0
Broadcast
181.225.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.674 , -58.7473
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

181.225.206.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.225.206.0
Broadcast
181.225.206.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6142 , -58.3811
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

190.181.65.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.181.65.0
Broadcast
190.181.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.3784 , -58.762
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52251 · NORTECH
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
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