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.
Search
Active filter:
CESOP
·
Clear
Snapshot
2026-03-04
Results
19
Page
1
/
1
38.3.157.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
38.3.157.0
Broadcast
38.3.157.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-36.2519 , -57.6861
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
216.28.238.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
216.28.238.0
Broadcast
216.28.238.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-35.16045 , -60.0218
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
Cogent Communications
Top geo
Argentina
·
Buenos Aires F.D.
·
Buenos Aires
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.192.71.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
181.192.71.0
Broadcast
181.192.71.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-36.3354 , -57.6653
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
Dolores
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.3.154.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
38.3.154.0
Broadcast
38.3.154.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-36.2519 , -57.6861
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
216.28.239.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
216.28.239.0
Broadcast
216.28.239.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-35.16045 , -60.0218
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
Cogent Communications
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.192.64.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
181.192.64.0
Broadcast
181.192.64.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.3354 , -57.6653
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
Dolores
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.3.156.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
38.3.156.0
Broadcast
38.3.156.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.2519 , -57.6861
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.3.153.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
38.3.153.0
Broadcast
38.3.153.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.2519 , -57.6861
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.192.73.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
181.192.73.0
Broadcast
181.192.73.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.3354 , -57.6653
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
Dolores
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.17.1.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
38.17.1.0
Broadcast
38.17.1.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-34.6142 , -58.3811
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
CESOP
Top geo
Argentina
·
Buenos Aires F.D.
·
Buenos Aires
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
200.31.245.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
200.31.245.0
Broadcast
200.31.245.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-35.7067 , -61.6625
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.192.74.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
181.192.74.0
Broadcast
181.192.74.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.3354 , -57.6653
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
Dolores
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.3.159.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
38.3.159.0
Broadcast
38.3.159.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.2519 , -57.6861
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
216.28.234.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
216.28.234.0
Broadcast
216.28.234.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.5743 , -56.6939
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
Cogent Communications
Top geo
Argentina
·
Buenos Aires
·
Mar del Tuyú
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.192.75.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
181.192.75.0
Broadcast
181.192.75.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-36.3354 , -57.6653
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
Dolores
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
200.31.246.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
200.31.246.0
Broadcast
200.31.246.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-35.7067 , -61.6625
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
200.31.253.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
200.31.253.0
Broadcast
200.31.253.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-35.7067 , -61.6625
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
CESOP
·
CESOP
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.17.0.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
38.17.0.0
Broadcast
38.17.0.255
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
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
CESOP
Top geo
Argentina
·
Buenos Aires F.D.
·
Buenos Aires
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
38.7.8.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
38.7.8.0
Broadcast
38.7.8.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-35.7067 , -61.6625
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52419 ·
CESOP
Top organization / ISP
Cooperativa De Electricidad Servicio Y Obras Publicas
·
Cogent Communications
Top geo
Argentina
·
Buenos Aires
·
San Bernardo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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