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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.
Active filter: Rodeo del Medio · Clear
Snapshot 2026-03-10 Results 13 Page 1 / 1

181.21.48.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.21.48.0
Broadcast
181.21.48.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-32.953880000000005 , -68.70360000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-02 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.61.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.21.61.0
Broadcast
181.21.61.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-32.9804 , -68.68620000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.54.0/24

Risk Max — LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
181.21.54.0
Broadcast
181.21.54.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.55.0/24

Risk Max — LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
181.21.55.0
Broadcast
181.21.55.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-32.9804 , -68.68620000000001
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.58.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.21.58.0
Broadcast
181.21.58.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-32.963825 , -68.697075
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.52.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.21.52.0
Broadcast
181.21.52.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.56.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.56.0
Broadcast
181.21.56.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-02 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.57.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.57.0
Broadcast
181.21.57.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-32.94725 , -68.70795
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.50.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.50.0
Broadcast
181.21.50.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.62.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.62.0
Broadcast
181.21.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-32.9804 , -68.6862
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
-32.9804 , -68.6862
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
-32.9804 , -68.6862
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

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
-32.9804 , -68.6862
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · Mendoza · Rodeo del Medio
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →