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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: HEREDIA · Clear
Snapshot 2026-03-18 Results — Page 1 / 1

186.32.219.0/24

Risk Max — LOW Footprint 5.469% Hits 20
Prefix / IP version
/24 · IPv4
Network
186.32.219.0
Broadcast
186.32.219.255
Observed IPs / Subnet size
14 observed · 256 total
Centroid
9.9983 , -84.11709999999998
Hits / Errors
20 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.203.117.0/24

Risk Max — LOW Footprint 4.688% Hits 14
Prefix / IP version
/24 · IPv4
Network
201.203.117.0
Broadcast
201.203.117.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
9.9983 , -84.11710000000001
Hits / Errors
14 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ZARCERO · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.206.191.0/24

Risk Max — LOW Footprint 3.906% Hits 11
Prefix / IP version
/24 · IPv4
Network
201.206.191.0
Broadcast
201.206.191.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
9.9983 , -84.11709999999998
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
SAN MARCOS DE TARRAZU · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.217.0/24

Risk Max — LOW Footprint 3.516% Hits 12
Prefix / IP version
/24 · IPv4
Network
186.32.217.0
Broadcast
186.32.217.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
9.9983 , -84.11709999999998
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.222.0/24

Risk Max — LOW Footprint 3.516% Hits 10
Prefix / IP version
/24 · IPv4
Network
186.32.222.0
Broadcast
186.32.222.255
Observed IPs / Subnet size
9 observed · 256 total
Centroid
9.9983 , -84.11709999999998
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.216.0/24

Risk Max — LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
186.32.216.0
Broadcast
186.32.216.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.000325 , -84.12294999999999
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.221.0/24

Risk Max — LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
186.32.221.0
Broadcast
186.32.221.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.220.0/24

Risk Max — LOW Footprint 2.344% Hits 7
Prefix / IP version
/24 · IPv4
Network
186.32.220.0
Broadcast
186.32.220.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
9.9983 , -84.11710000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.218.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
186.32.218.0
Broadcast
186.32.218.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
9.9983 , -84.11710000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.223.0/24

Risk Max — LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
186.32.223.0
Broadcast
186.32.223.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
9.9983 , -84.11710000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.15.204.0/24

Risk Max — LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
186.15.204.0
Broadcast
186.15.204.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

152.231.188.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
152.231.188.0
Broadcast
152.231.188.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.001940000000001 , -84.13646
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

38.224.22.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
38.224.22.0
Broadcast
38.224.22.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.3399 , -83.9558
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS52468 · UFINET PANAMA S.A.
Top organization / ISP
Ufinet Panama S.A. · Ufinet Panama S.A.
Top geo
Costa Rica · Heredia Province · Horquetas
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

152.231.189.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
152.231.189.0
Broadcast
152.231.189.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.176.59.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.176.59.0
Broadcast
186.176.59.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-10 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.37.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.32.37.0
Broadcast
186.32.37.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.204.106.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.204.106.0
Broadcast
201.204.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0207 , -84.1242
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 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 · Heredia Province · Barva
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.203.123.0/24

Risk Max — LOW Footprint 0.391% Hits 2
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
2 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.194.18.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.194.18.0
Broadcast
201.194.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0247 , -84.2076
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-12 02:00 · 2026-03-13 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
HEREDIA · Instituto Costarricense de Electricidad y Telecom
Top geo
Costa Rica · Alajuela Province · Alajuela
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.18.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.32.18.0
Broadcast
186.32.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.194.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.194.148.0
Broadcast
201.194.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.8996 , -84.1358
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
HEREDIA · Instituto Costarricense de Electricidad y Telecom
Top geo
Costa Rica · Provincia de San José · San José
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.194.23.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.194.23.0
Broadcast
201.194.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0247 , -84.2076
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
HEREDIA · Instituto Costarricense de Electricidad y Telecom
Top geo
Costa Rica · Alajuela Province · Alajuela
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.201.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.201.123.0
Broadcast
201.201.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ASERRI · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.203.120.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.120.0
Broadcast
201.203.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
ZARCERO · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.16.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.32.16.0
Broadcast
186.32.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.194.42.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.194.42.0
Broadcast
201.194.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.1104 , -84.1514
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
HEREDIA · Instituto Costarricense de Electricidad y Telecom
Top geo
Costa Rica · Heredia Province · Santo Domingo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.194.9.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.194.9.0
Broadcast
201.194.9.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.0247 , -84.2076
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
HEREDIA · Instituto Costarricense de Electricidad y Telecom
Top geo
Costa Rica · Alajuela Province · Alajuela
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.15.205.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.15.205.0
Broadcast
186.15.205.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS52228 · Cable Tica
Top organization / ISP
Cable Tica · Cable Tica
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

186.32.194.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.32.194.0
Broadcast
186.32.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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 · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.191.146.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.191.146.0
Broadcast
201.191.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
Oeste DHCP · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

201.203.221.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.203.221.0
Broadcast
201.203.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 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
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →