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:
Castanhal
·
Clear
Snapshot
2026-03-10
Results
17
Page
1
/
1
45.187.162.0/24
Risk Max
—
LOW
Footprint
6.641
%
Hits
23
Prefix / IP version
/24 · IPv4
Network
45.187.162.0
Broadcast
45.187.162.255
Observed IPs / Subnet size
17
observed ·
256
total
Centroid
-3.0033400000000006 , -47.94401304347826
Hits / Errors
23
hits ·
1
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS269539 ·
PARA INOVACOES SERVICOS DE COMUNICACAO LTDA
Top organization / ISP
Para Inovacoes Servicos De Comunicacao Ltda
·
Para Inovacoes Servicos De Comunicacao Ltda
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
170.82.181.0/24
Risk Max
—
LOW
Footprint
5.469
%
Hits
32
Prefix / IP version
/24 · IPv4
Network
170.82.181.0
Broadcast
170.82.181.255
Observed IPs / Subnet size
14
observed ·
256
total
Centroid
-1.2723000000000002 , -47.85629999999999
Hits / Errors
32
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS266445 ·
SEA TELECOM LTDA
Top organization / ISP
SEA TELECOM LTDA
·
SEA TELECOM LTDA
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
167.250.73.0/24
Risk Max
—
LOW
Footprint
3.125
%
Hits
9
Prefix / IP version
/24 · IPv4
Network
167.250.73.0
Broadcast
167.250.73.255
Observed IPs / Subnet size
8
observed ·
256
total
Centroid
-1.2722999999999998 , -47.85629999999999
Hits / Errors
9
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
K L F BRITO EIRELI
·
são miguel telecomunicações e informatica ltda - m
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
167.250.75.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
167.250.75.0
Broadcast
167.250.75.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
são miguel telecomunicações e informatica ltda - m
·
são miguel telecomunicações e informatica ltda - m
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
149.78.232.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
149.78.232.0
Broadcast
149.78.232.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
São Miguel Telecomunicações e Informática Ltda
·
São Miguel Telecomunicações e Informática Ltda
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
167.250.72.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
167.250.72.0
Broadcast
167.250.72.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
são miguel telecomunicações e informatica ltda - m
·
são miguel telecomunicações e informatica ltda - m
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
149.78.235.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
149.78.235.0
Broadcast
149.78.235.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-03-01 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
São Miguel Telecomunicações e Informática Ltda
·
São Miguel Telecomunicações e Informática Ltda
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
170.82.180.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
170.82.180.0
Broadcast
170.82.180.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
AS266445 ·
SEA TELECOM LTDA
Top organization / ISP
Japiim Distribuidora de Bebidas Ltda
·
SEA TELECOM LTDA
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.31.0.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
191.31.0.0
Broadcast
191.31.0.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-27 02:00
Top ASN
AS18881 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
TELEF�NICA BRASIL S.A
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
149.78.233.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
149.78.233.0
Broadcast
149.78.233.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS265197 ·
são miguel telecomunicações e informatica ltda - m
Top organization / ISP
São Miguel Telecomunicações e Informática Ltda
·
São Miguel Telecomunicações e Informática Ltda
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.241.120.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
152.241.120.0
Broadcast
152.241.120.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS26599 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
Latin American and Caribbean IP address Regional Registry
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.31.7.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
191.31.7.0
Broadcast
191.31.7.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS18881 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
TELEF�NICA BRASIL S.A
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.31.4.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
191.31.4.0
Broadcast
191.31.4.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS18881 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
TELEF�NICA BRASIL S.A
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.241.121.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
152.241.121.0
Broadcast
152.241.121.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS26599 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
Latin American and Caribbean IP address Regional Registry
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
149.102.92.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
149.102.92.0
Broadcast
149.102.92.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS266445 ·
SEA TELECOM LTDA
Top organization / ISP
SEA TELECOM LTDA
·
SEA TELECOM LTDA
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
138.36.21.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
138.36.21.0
Broadcast
138.36.21.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.29389 , -47.9264
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS263026 ·
IBL Banda Larga Internet Informatica LTDA
Top organization / ISP
IBL Banda Larga Internet Informatica LTDA
·
IBL Banda Larga Internet Informatica LTDA
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
191.31.3.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
191.31.3.0
Broadcast
191.31.3.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-1.2723 , -47.8563
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS18881 ·
TELEFÔNICA BRASIL S.A
Top organization / ISP
TELEF�NICA BRASIL S.A
·
Vivo
Top geo
Brazil
·
Pará
·
Castanhal
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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