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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: Castillo · Clear
Snapshot 2026-03-04 Results 20 Page 1 / 1

186.19.123.0/24

Risk Max — LOW Footprint 23.047% Hits 105
Prefix / IP version
/24 · IPv4
Network
186.19.123.0
Broadcast
186.19.123.255
Observed IPs / Subnet size
59 observed · 256 total
Centroid
-34.69980380952379 , -58.6298771428571
Hits / Errors
105 hits · 2 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS27747 · Telecentro S.A.
Top organization / ISP
Telecentro S.A. - Clientes Residenciales · Telecentro S.A.
Top geo
Argentina · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.97.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
190.175.97.0
Broadcast
190.175.97.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-26 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.26.154.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
181.26.154.0
Broadcast
181.26.154.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-34.69986666666667 , -58.616299999999995
Hits / Errors
3 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

154.3.57.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
154.3.57.0
Broadcast
154.3.57.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
19.216 , -70.0358
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS274190 · ZIGTECDOM SRL
Top organization / ISP
Zigtecdom SRL · Zigtecdom SRL
Top geo
Dominican Republic · Duarte Province · Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.108.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.175.108.0
Broadcast
190.175.108.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
3 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.104.0/24

Risk Max — LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
190.175.104.0
Broadcast
190.175.104.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.7082 , -58.5994
Hits / Errors
6 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

38.129.17.0/24

Risk Max — LOW Footprint 0.781% Hits 6
Prefix / IP version
/24 · IPv4
Network
38.129.17.0
Broadcast
38.129.17.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
19.2082 , -70.02729999999998
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
AS274130 · ASHM COMUNICACIONES SRL
Top organization / ISP
ASHM Comunicaciones SRL · Ashm Comunicaciones SRL
Top geo
Dominican Republic · Duarte Province · Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

149.78.58.0/24

Risk Max — LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
149.78.58.0
Broadcast
149.78.58.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.66556 , -58.530860000000004
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS272030 · SMARTNET S.R.L.
Top organization / ISP
Linkear Srl · Cogent Communications
Top geo
Argentina · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.26.144.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.26.144.0
Broadcast
181.26.144.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-34.6999 , -58.6091
Hits / Errors
2 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.96.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
190.175.96.0
Broadcast
190.175.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
3 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

185.223.122.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
185.223.122.0
Broadcast
185.223.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.7901 , -1.325
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS205279 · Montel Telecom, S.L.
Top organization / ISP
Montel Telecom, S.L · Montel Telecom S.L
Top geo
Spain · Castille-La Mancha · Montealegre del Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.100.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
190.175.100.0
Broadcast
190.175.100.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
2 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.106.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.106.0
Broadcast
190.175.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.26.155.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.155.0
Broadcast
181.26.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6998 , -58.6307
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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.98.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.98.0
Broadcast
190.175.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

190.175.101.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.175.101.0
Broadcast
190.175.101.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

149.107.226.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
149.107.226.0
Broadcast
149.107.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.7189 , -58.6154
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS272066 · FIBRAZUL INTERNET S.R.L.
Top organization / ISP
Linkear Srl · fibrazul internet srl
Top geo
Argentina · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

181.26.147.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.26.147.0
Broadcast
181.26.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6998 , -58.6307
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 · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

149.78.56.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
149.78.56.0
Broadcast
149.78.56.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-34.6998 , -58.6307
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS272030 · SMARTNET S.R.L.
Top organization / ISP
Linkear Srl · Cogent Communications
Top geo
Argentina · Buenos Aires · Rafael Castillo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

86.104.185.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
86.104.185.0
Broadcast
86.104.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.5376 , -3.9542
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS207286 · RUEDA SISTEMAS, S.L.
Top organization / ISP
RUEDA SISTEMAS, S.L · RUEDA SISTEMAS, S.L.
Top geo
Spain · Andalusia · Castillo de Locubín
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →