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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: Escazú · Clear
Snapshot 2026-03-13 Results 5 Page 1 / 1

186.4.31.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.4.31.0
Broadcast
186.4.31.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.9157 , -84.1525
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 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 · Provincia de San José · Escazú
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

186.4.30.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.4.30.0
Broadcast
186.4.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9157 , -84.1525
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 · Provincia de San José · Escazú
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

186.4.18.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.4.18.0
Broadcast
186.4.18.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9157 , -84.1525
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-07 02:00 · 2026-03-08 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 · Provincia de San José · Escazú
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

186.4.17.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.4.17.0
Broadcast
186.4.17.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9157 , -84.1525
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-06 02:00 · 2026-03-07 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 · Provincia de San José · Escazú
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →

186.4.28.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.4.28.0
Broadcast
186.4.28.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9157 , -84.1525
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-03-05 02:00 · 2026-03-06 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 · Provincia de San José · Escazú
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
Open report →