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:
Fornet Comunicacoes Ltda
·
Clear
Snapshot
2026-03-04
Results
10
Page
1
/
1
177.21.80.0/24
Risk Max
—
LOW
Footprint
4.297
%
Hits
15
Prefix / IP version
/24 · IPv4
Network
177.21.80.0
Broadcast
177.21.80.255
Observed IPs / Subnet size
11
observed ·
256
total
Centroid
-23.074099999999998 , -52.468399999999995
Hits / Errors
15
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.95.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
177.21.95.0
Broadcast
177.21.95.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-28 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.81.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.81.0
Broadcast
177.21.81.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.86.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.86.0
Broadcast
177.21.86.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.91.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.91.0
Broadcast
177.21.91.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
187.33.212.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
187.33.212.0
Broadcast
187.33.212.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.85.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.85.0
Broadcast
177.21.85.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.84.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.84.0
Broadcast
177.21.84.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
187.33.209.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
187.33.209.0
Broadcast
187.33.209.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.21.82.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.21.82.0
Broadcast
177.21.82.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.0741 , -52.4684
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS53088 ·
FORNET COMUNICACOES LTDA
Top organization / ISP
Fornet Comunicacoes Ltda
·
Fornet Comunicacoes Ltda
Top geo
Brazil
·
Paraná
·
Paranavaí
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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