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:
Sistemas Ltda
·
Clear
Snapshot
2026-03-13
Results
20
Page
1
/
1
177.23.50.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
14
Prefix / IP version
/24 · IPv4
Network
177.23.50.0
Broadcast
177.23.50.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
-22.920099999999998 , -43.0811
Hits / Errors
14
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-08 02:00
Top ASN
AS270868 ·
IP TELECOM E SISTEMAS LTDA
Top organization / ISP
IP TELECOM E SISTEMAS LTDA
·
IP TELECOM E SISTEMAS LTDA
Top geo
Brazil
·
Rio de Janeiro
·
Rio de Janeiro
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
45.239.254.0/24
Risk Max
—
LOW
Footprint
2.734
%
Hits
9
Prefix / IP version
/24 · IPv4
Network
45.239.254.0
Broadcast
45.239.254.255
Observed IPs / Subnet size
7
observed ·
256
total
Centroid
-6.9007 , -35.45924444444444
Hits / Errors
9
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS268401 ·
LM SISTEMAS LTDA
Top organization / ISP
LM SISTEMAS LTDA
·
Netstart Multimidia E Comunicacao Ltda
Top geo
Brazil
·
Paraíba
·
Guarabira
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
177.23.48.0/24
Risk Max
—
LOW
Footprint
2.734
%
Hits
8
Prefix / IP version
/24 · IPv4
Network
177.23.48.0
Broadcast
177.23.48.255
Observed IPs / Subnet size
7
observed ·
256
total
Centroid
-22.920099999999998 , -43.0811
Hits / Errors
8
hits ·
1
errors
First / Last seen
2026-03-01 02:00 · 2026-03-08 02:00
Top ASN
AS270868 ·
IP TELECOM E SISTEMAS LTDA
Top organization / ISP
IP TELECOM E SISTEMAS LTDA
·
IP TELECOM E SISTEMAS LTDA
Top geo
Brazil
·
Rio de Janeiro
·
Rio de Janeiro
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
200.201.138.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
8
Prefix / IP version
/24 · IPv4
Network
200.201.138.0
Broadcast
200.201.138.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
-23.5475 , -46.6361
Hits / Errors
8
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS11432 ·
Telium Telecomunicações Ltda
Top organization / ISP
CSC BRASIL SISTEMAS LTDA
·
Telium Telecomunicações Ltda
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.37.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
206.84.37.0
Broadcast
206.84.37.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
-1.3450000000000002 , -48.4219
Hits / Errors
7
hits ·
2
errors
First / Last seen
2026-03-03 02:00 · 2026-03-09 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.34.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
206.84.34.0
Broadcast
206.84.34.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
186.216.19.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
9
Prefix / IP version
/24 · IPv4
Network
186.216.19.0
Broadcast
186.216.19.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
-22.9201 , -43.0811
Hits / Errors
9
hits ·
0
errors
First / Last seen
2026-03-04 02:00 · 2026-03-09 02:00
Top ASN
AS262663 ·
METROFLEX TELECOMUNICACOES LTDA
Top organization / ISP
IP TELECOM E SISTEMAS LTDA
·
Metroflex Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
Rio de Janeiro
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.35.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
206.84.35.0
Broadcast
206.84.35.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
6
hits ·
1
errors
First / Last seen
2026-03-03 02:00 · 2026-03-09 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
45.239.253.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
45.239.253.0
Broadcast
45.239.253.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-6.8829 , -35.4432
Hits / Errors
4
hits ·
1
errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS268401 ·
LM SISTEMAS LTDA
Top organization / ISP
LM SISTEMAS LTDA
·
Netstart Multimidia E Comunicacao Ltda
Top geo
Brazil
·
Paraíba
·
Guarabira
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
45.5.171.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
45.5.171.0
Broadcast
45.5.171.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-20.4644 , -45.4264
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-03-03 02:00 · 2026-03-09 02:00
Top ASN
AS266179 ·
CoIPe Sistemas Ltda
Top organization / ISP
CoIPe Sistemas Ltda
·
CoIPe Sistemas Ltda
Top geo
Brazil
·
Minas Gerais
·
Formiga
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.41.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
206.84.41.0
Broadcast
206.84.41.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-03-03 02:00 · 2026-03-09 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.50.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
206.84.50.0
Broadcast
206.84.50.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-05 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
45.5.168.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
45.5.168.0
Broadcast
45.5.168.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-20.4644 , -45.4264
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-03-02 02:00 · 2026-03-05 02:00
Top ASN
AS266179 ·
CoIPe Sistemas Ltda
Top organization / ISP
CoIPe Sistemas Ltda
·
CoIPe Sistemas Ltda
Top geo
Brazil
·
Minas Gerais
·
Formiga
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.48.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
206.84.48.0
Broadcast
206.84.48.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.344 , -48.3851
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Ananindeua
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
167.249.210.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
167.249.210.0
Broadcast
167.249.210.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
H 2 A TELECOM LTDA
·
Sistemas Ltda
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.39.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
206.84.39.0
Broadcast
206.84.39.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.45.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
206.84.45.0
Broadcast
206.84.45.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.44.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
206.84.44.0
Broadcast
206.84.44.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-04 02:00 · 2026-03-05 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
168.0.100.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
168.0.100.0
Broadcast
168.0.100.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.4537 , -48.5078
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS265232 ·
WLAN SISTEMAS LTDA ME
Top organization / ISP
Wlan Sistemas Ltda ME
·
Wlan Sistemas Ltda ME
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
206.84.51.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
206.84.51.0
Broadcast
206.84.51.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.345 , -48.4219
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS265175 ·
AS SISTEMAS LTDA
Top organization / ISP
SISTEMAS
·
Cogent Communications
Top geo
Brazil
·
Pará
·
Belém
Window / Updated
2026-03-02 → 2026-03-09 · Updated
2026-03-13
· v2
Open report →
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