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:
ALAJUELA
·
Clear
Snapshot
2026-03-06
Results
71
Page
2
/
2
190.113.248.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
190.113.248.0
Broadcast
190.113.248.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.1863 , -84.382
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS262241 ·
COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L
·
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica
·
Alajuela Province
·
Zarcero
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.196.17.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.196.17.0
Broadcast
201.196.17.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0122 , -84.2471
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
CURRIDABAT
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.204.94.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.204.94.0
Broadcast
201.204.94.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.9346 , -84.0706
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ALAJUELA
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Provincia de San José
·
San José
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.64.170.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.64.170.0
Broadcast
186.64.170.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
190.113.250.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
190.113.250.0
Broadcast
190.113.250.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.1863 , -84.382
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS262241 ·
COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L
·
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica
·
Alajuela Province
·
Zarcero
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
190.113.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
190.113.251.0
Broadcast
190.113.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.1863 , -84.382
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS262241 ·
COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L
·
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica
·
Alajuela Province
·
Zarcero
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.15.23.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.15.23.0
Broadcast
186.15.23.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.15.5.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.15.5.0
Broadcast
186.15.5.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.28.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.28.0
Broadcast
201.191.28.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.9346 , -84.0706
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Alajuela DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Provincia de San José
·
San José
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.34.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.34.0
Broadcast
201.191.34.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.9346 , -84.0706
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Alajuela DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Provincia de San José
·
San José
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.193.249.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.193.249.0
Broadcast
201.193.249.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
LA VALENCIA
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.201.154.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.201.154.0
Broadcast
201.201.154.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0871 , -84.4701
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
SAN IGNACION
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
San Ramón
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
181.194.2.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
181.194.2.0
Broadcast
181.194.2.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Alajuela DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.40.0
Broadcast
201.191.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.9395 , -84.0905
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Alajuela DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Provincia de San José
·
San José
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.77.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.77.0
Broadcast
201.191.77.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.328 , -84.4099
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Cartago DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Quesada
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.231.185.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
152.231.185.0
Broadcast
152.231.185.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.328 , -84.4099
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Quesada
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.231.186.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
152.231.186.0
Broadcast
152.231.186.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.328 , -84.4099
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Quesada
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.15.4.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.15.4.0
Broadcast
186.15.4.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.176.188.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.176.188.0
Broadcast
186.176.188.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS262197 ·
MILLICOM CABLE COSTA RICA S.A.
Top organization / ISP
Millicom Cable Costa Rica S.A
·
Millicom Cable Costa Rica S.A.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.59.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.59.0
Broadcast
201.191.59.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Cartago DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.231.242.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
152.231.242.0
Broadcast
152.231.242.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.328 , -84.4099
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Quesada
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.15.1.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.15.1.0
Broadcast
186.15.1.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.15.6.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.15.6.0
Broadcast
186.15.6.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
200.229.9.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
200.229.9.0
Broadcast
200.229.9.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS52263 ·
Telecable Economico S.A.
Top organization / ISP
Telecable Empresarial
·
Telecable Economico S.A
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.191.6.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.191.6.0
Broadcast
201.191.6.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.9242 , -84.0745
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Alajuela DHCP
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Provincia de San José
·
San José
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
152.231.241.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
152.231.241.0
Broadcast
152.231.241.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.328 , -84.4099
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Quesada
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
179.60.161.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
179.60.161.0
Broadcast
179.60.161.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.1863 , -84.382
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS262241 ·
COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L.
Top organization / ISP
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L
·
Cooperativa De Electrificacion Rural De Alfaro Ruiz R.L.
Top geo
Costa Rica
·
Alajuela Province
·
Zarcero
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.64.166.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.64.166.0
Broadcast
186.64.166.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
186.64.163.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
186.64.163.0
Broadcast
186.64.163.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS52228 ·
Cable Tica
Top organization / ISP
Cable Tica
·
Cable Tica
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.199.231.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.199.231.0
Broadcast
201.199.231.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
9.8711 , -84.5731
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
FORUM
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Coyolar
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
201.204.59.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
201.204.59.0
Broadcast
201.204.59.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.0165 , -84.2139
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS11830 ·
Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ALAJUELA
·
Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica
·
Alajuela Province
·
Alajuela
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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