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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: Castelar · Clear
Snapshot 2026-01-21 Results 11 Page 1 / 1

181.47.80.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.47.80.0
Broadcast
181.47.80.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-08-27 04:59 · 2025-08-28 04:06
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Telecentro S.A. - Clientes Residenciales · Telecentro S.A.
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2
Open report →

190.247.135.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.247.135.0
Broadcast
190.247.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-14 14:32 · 2025-09-14 14:32
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

190.244.95.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.244.95.0
Broadcast
190.244.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 03:35 · 2025-12-17 03:35
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

186.158.16.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.158.16.0
Broadcast
186.158.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 02:35 · 2025-12-17 02:35
Top ASN
AS11664 · Techtel LMDS Comunicaciones Interactivas S.A.
Top organization / ISP
AMX Argentina S.A · Techtel LMDS Comunicaciones Interactivas S.A.
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

181.47.81.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.47.81.0
Broadcast
181.47.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 05:45 · 2025-12-14 05:45
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Telecentro S.A. - Clientes Residenciales · Telecentro S.A.
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

181.29.93.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.29.93.0
Broadcast
181.29.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 02:35 · 2025-12-14 02:35
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

186.23.81.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.23.81.0
Broadcast
186.23.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 19:32 · 2025-12-01 19:32
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Telecentro S.A · Telecentro S.A.
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

190.244.58.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.244.58.0
Broadcast
190.244.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-26 02:44 · 2025-11-26 02:44
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

186.23.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.23.83.0
Broadcast
186.23.83.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-23 10:54 · 2025-11-23 10:54
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Telecentro S.A · Telecentro S.A.
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-11-17 → 2025-11-24 · Updated 2026-01-14 · v2
Open report →

186.138.170.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.138.170.0
Broadcast
186.138.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 14:45 · 2025-11-06 14:45
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

181.170.169.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.170.169.0
Broadcast
181.170.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6671 , -58.6691
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-17 05:45 · 2025-09-17 05:45
Top ASN
AS7303 · Telecom Argentina S.A.
Top organization / ISP
Fibertel · Telecom Argentina S.A
Top geo
Argentina · Buenos Aires · Castelar
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →