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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.
Active filter: Quesada · Clear
Snapshot 2026-03-03 Results 29 Page 1 / 1

190.211.117.0/24

Risk Max 1 LOW Footprint 7.422% Hits 34
Prefix / IP version
/24 · IPv4
Network
190.211.117.0
Broadcast
190.211.117.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000001
Hits / Errors
34 hits · 2 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.122.0/24

Risk Max — LOW Footprint 8.203% Hits 23
Prefix / IP version
/24 · IPv4
Network
190.211.122.0
Broadcast
190.211.122.255
Observed IPs / Subnet size
21 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000002
Hits / Errors
23 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-21 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.120.0/24

Risk Max — LOW Footprint 7.812% Hits 26
Prefix / IP version
/24 · IPv4
Network
190.211.120.0
Broadcast
190.211.120.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000001
Hits / Errors
26 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.116.0/24

Risk Max — LOW Footprint 6.641% Hits 24
Prefix / IP version
/24 · IPv4
Network
190.211.116.0
Broadcast
190.211.116.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000002
Hits / Errors
24 hits · 2 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.121.0/24

Risk Max — LOW Footprint 6.250% Hits 22
Prefix / IP version
/24 · IPv4
Network
190.211.121.0
Broadcast
190.211.121.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000002
Hits / Errors
22 hits · 2 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.119.0/24

Risk Max — LOW Footprint 6.250% Hits 22
Prefix / IP version
/24 · IPv4
Network
190.211.119.0
Broadcast
190.211.119.255
Observed IPs / Subnet size
16 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000002
Hits / Errors
22 hits · 1 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.123.0/24

Risk Max — LOW Footprint 4.688% Hits 16
Prefix / IP version
/24 · IPv4
Network
190.211.123.0
Broadcast
190.211.123.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
10.328000000000001 , -84.4099
Hits / Errors
16 hits · 2 errors
First / Last seen
2026-02-15 02:00 · 2026-02-23 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.169.0/24

Risk Max — LOW Footprint 3.516% Hits 15
Prefix / IP version
/24 · IPv4
Network
143.208.169.0
Broadcast
143.208.169.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
10.328000000000001 , -84.40989999999998
Hits / Errors
15 hits · 1 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

190.211.118.0/24

Risk Max — LOW Footprint 3.516% Hits 14
Prefix / IP version
/24 · IPv4
Network
190.211.118.0
Broadcast
190.211.118.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
10.328000000000001 , -84.40990000000001
Hits / Errors
14 hits · 3 errors
First / Last seen
2026-02-15 02:00 · 2026-02-22 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.170.0/24

Risk Max — LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
143.208.170.0
Broadcast
143.208.170.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.328000000000001 , -84.4099
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-02-15 02:00 · 2026-02-21 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.171.0/24

Risk Max — LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
143.208.171.0
Broadcast
143.208.171.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
9 hits · 1 errors
First / Last seen
2026-02-16 02:00 · 2026-02-21 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

143.208.168.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
143.208.168.0
Broadcast
143.208.168.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-02-17 02:00 · 2026-02-21 02:00
Top ASN
AS262145 · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top organization / ISP
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.) · Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

152.231.241.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
152.231.241.0
Broadcast
152.231.241.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.12125 , -84.22389999999999
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-20 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

79.145.42.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
79.145.42.0
Broadcast
79.145.42.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
37.8419 , -3.07
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-17 02:00 · 2026-02-22 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
— · RIMA (Red IP Multi Acceso)
Top geo
Spain · Andalusia · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

152.231.186.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
152.231.186.0
Broadcast
152.231.186.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
2 hits · 1 errors
First / Last seen
2026-02-19 02:00 · 2026-02-21 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.77.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.203.77.0
Broadcast
201.203.77.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-20 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.123.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
201.203.123.0
Broadcast
201.203.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-19 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.81.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.203.81.0
Broadcast
201.203.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-20 02:00 · 2026-02-21 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

152.231.245.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
152.231.245.0
Broadcast
152.231.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.191.64.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.191.64.0
Broadcast
201.191.64.255
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
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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.79.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.79.0
Broadcast
201.203.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-21 02:00 · 2026-02-22 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · 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
2026-02-20 02:00 · 2026-02-21 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

179.50.144.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
179.50.144.0
Broadcast
179.50.144.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-19 02:00 · 2026-02-20 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · 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
2026-02-18 02:00 · 2026-02-19 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Alajuela Province · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

79.145.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
79.145.40.0
Broadcast
79.145.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.8419 , -3.07
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-17 02:00 · 2026-02-18 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
— · RIMA (Red IP Multi Acceso)
Top geo
Spain · Andalusia · Quesada
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.187.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.187.0
Broadcast
201.203.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0207 , -84.1242
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Barva
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.203.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.219.0
Broadcast
201.203.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-16 02:00 · 2026-02-17 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Ciudad Quesada · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.191.74.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.191.74.0
Broadcast
201.191.74.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →

201.191.79.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.191.79.0
Broadcast
201.191.79.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.328 , -84.4099
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-15 02:00 · 2026-02-16 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
2026-02-16 → 2026-02-23 · Updated 2026-02-24 · v2
Open report →