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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: Caucete · Clear
Snapshot 2026-03-05 Results 11 Page 1 / 1

181.191.27.0/24

Risk Max — LOW Footprint 3.516% Hits 11
Prefix / IP version
/24 · IPv4
Network
181.191.27.0
Broadcast
181.191.27.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
-31.6516 , -68.28199999999998
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS52425 · RELTID CV S.A.
Top organization / ISP
Reltid CV S.A · Reltid CV S.A.
Top geo
Argentina · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.172.109.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.172.109.0
Broadcast
45.172.109.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS267804 · MORAN DOLORES GRACIELA
Top organization / ISP
— · Moran Dolores Graciela
Top geo
Argentina · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.43.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.21.43.0
Broadcast
181.21.43.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.47.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
181.21.47.0
Broadcast
181.21.47.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.44.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.21.44.0
Broadcast
181.21.44.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
3 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.32.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.32.0
Broadcast
181.21.32.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.41.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.21.41.0
Broadcast
181.21.41.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.46.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.21.46.0
Broadcast
181.21.46.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS22927 · Telefonica de Argentina
Top organization / ISP
Telefonica de Argentina · Telefonica de Argentina
Top geo
Argentina · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.42.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.42.0
Broadcast
181.21.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.191.25.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.191.25.0
Broadcast
181.191.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52425 · RELTID CV S.A.
Top organization / ISP
Reltid CV S.A · Reltid CV S.A.
Top geo
Argentina · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.21.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.21.40.0
Broadcast
181.21.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-31.6516 , -68.282
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 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 · San Juan · Caucete
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →