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.
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Active filter:
Cidreira
·
Clear
Snapshot
2026-03-04
Results
9
Page
1
/
1
181.174.255.0/24
Risk Max
—
LOW
Footprint
5.859
%
Hits
23
Prefix / IP version
/24 · IPv4
Network
181.174.255.0
Broadcast
181.174.255.255
Observed IPs / Subnet size
15
observed ·
256
total
Centroid
-30.091000000000005 , -50.269400000000005
Hits / Errors
23
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS271448 ·
Super Giga Net Ltda
Top organization / ISP
Super Giga Net Ltda
·
Super Giga Net Ltda
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.174.254.0/24
Risk Max
—
LOW
Footprint
3.516
%
Hits
18
Prefix / IP version
/24 · IPv4
Network
181.174.254.0
Broadcast
181.174.254.255
Observed IPs / Subnet size
9
observed ·
256
total
Centroid
-30.091 , -50.269400000000005
Hits / Errors
18
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS271448 ·
Super Giga Net Ltda
Top organization / ISP
Super Giga Net Ltda
·
Super Giga Net Ltda
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.174.253.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
181.174.253.0
Broadcast
181.174.253.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
-30.091 , -50.2694
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS271448 ·
Super Giga Net Ltda
Top organization / ISP
Super Giga Net Ltda
·
Super Giga Net Ltda
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.174.252.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
181.174.252.0
Broadcast
181.174.252.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
-30.091 , -50.2694
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS271448 ·
Super Giga Net Ltda
Top organization / ISP
Super Giga Net Ltda
·
Super Giga Net Ltda
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.191.35.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
181.191.35.0
Broadcast
181.191.35.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-30.090999999999998 , -50.2694
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS265986 ·
Linkup Telecomunicações
Top organization / ISP
Linkup Telecomunicações
·
Linkup Telecomunicações
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.136.38.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
177.136.38.0
Broadcast
177.136.38.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-12.8975 , -38.327
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS52871 ·
TASCOM TELECOMUNICAÇÕES LTDA
Top organization / ISP
Anderson Cidreira Silva
·
TASCOM TELECOMUNICAÇÕES LTDA
Top geo
Brazil
·
Bahia
·
Lauro de Freitas
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
138.255.130.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
138.255.130.0
Broadcast
138.255.130.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-30.091 , -50.2694
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS263972 ·
Litoral Net
Top organization / ISP
Litoral
·
Litoral Net
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
138.255.131.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
138.255.131.0
Broadcast
138.255.131.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-30.091 , -50.2694
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS263972 ·
Litoral Net
Top organization / ISP
Litoral
·
Litoral Net
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
138.255.128.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
138.255.128.0
Broadcast
138.255.128.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-30.091 , -50.2694
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS263972 ·
Litoral Net
Top organization / ISP
Litoral
·
Litoral Net
Top geo
Brazil
·
Rio Grande do Sul
·
Cidreira
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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