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:
Simnet Telecomunicacoes Ltda
·
Clear
Snapshot
2026-03-07
Results
12
Page
1
/
1
191.243.174.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
16
Prefix / IP version
/24 · IPv4
Network
191.243.174.0
Broadcast
191.243.174.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
-22.7626375 , -43.415556249999995
Hits / Errors
16
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
Belford Roxo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.165.0/24
Risk Max
—
LOW
Footprint
3.516
%
Hits
15
Prefix / IP version
/24 · IPv4
Network
191.243.165.0
Broadcast
191.243.165.255
Observed IPs / Subnet size
9
observed ·
256
total
Centroid
-22.828200000000002 , -43.0593
Hits / Errors
15
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
EI FIBER SERVICOS DE TELECOM MULTIMIDIA LTDA
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
São Gonçalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.172.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
10
Prefix / IP version
/24 · IPv4
Network
191.243.172.0
Broadcast
191.243.172.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
-22.753899999999998 , -43.45190000000001
Hits / Errors
10
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-03-02 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
Nova Iguaçu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.167.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
14
Prefix / IP version
/24 · IPv4
Network
191.243.167.0
Broadcast
191.243.167.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
-22.7489 , -47.4099
Hits / Errors
14
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Fabio Roberto DA Silva Junior
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
São Paulo
·
Santa Bárbara d'Oeste
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.161.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
191.243.161.0
Broadcast
191.243.161.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
-19.6887 , -43.9244
Hits / Errors
6
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Minas Gerais
·
Vespasiano
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.173.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
191.243.173.0
Broadcast
191.243.173.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
-22.741600000000002 , -47.3451
Hits / Errors
6
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-01 02:00
Top ASN
AS26508 ·
OSIbeyond LLC
Top organization / ISP
Fabio Roberto DA Silva Junior
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
São Paulo
·
Americana
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.175.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
191.243.175.0
Broadcast
191.243.175.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
-9.1387 , -50.673
Hits / Errors
6
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Pará
·
Santana do Araguaia
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.160.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
191.243.160.0
Broadcast
191.243.160.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
-22.8282 , -43.0593
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
São Gonçalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.166.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
191.243.166.0
Broadcast
191.243.166.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-22.8282 , -43.0593
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Rio de Janeiro
·
São Gonçalo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.170.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
191.243.170.0
Broadcast
191.243.170.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.19667 , -46.14
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Conect Evolucao E Tecnologia Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Pará
·
Viseu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.164.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
191.243.164.0
Broadcast
191.243.164.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-2.6999 , -45.12
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
Maranhão
·
Pinheiro
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.243.171.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
191.243.171.0
Broadcast
191.243.171.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-22.8614 , -47.2195
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS263508 ·
SIMNET TELECOMUNICACOES LTDA
Top organization / ISP
Simnet Telecomunicacoes Ltda
·
Simnet Telecomunicacoes Ltda
Top geo
Brazil
·
São Paulo
·
Hortolândia
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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