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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: Fonte Informatica ltda · Clear
Snapshot 2026-03-08 Results 4 Page 1 / 1

191.37.0.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
191.37.0.0
Broadcast
191.37.0.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.4149 , -42.7776
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS263346 · Fonte Informatica ltda
Top organization / ISP
L. A. SOUSA-ME · Fonte Informatica ltda
Top geo
Brazil · Maranhão · Santa Quitéria do Maranhão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.1.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.1.0
Broadcast
191.37.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.4149 , -42.7776
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS263346 · Fonte Informatica ltda
Top organization / ISP
Ultrafibra Provedor De Internet Ltda · Fonte Informatica ltda
Top geo
Brazil · Maranhão · Santa Quitéria do Maranhão
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.5.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.5.0
Broadcast
191.37.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.8504 , -42.1693
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS263346 · Fonte Informatica ltda
Top organization / ISP
Fonte Informatica ltda · Fonte Informatica ltda
Top geo
Brazil · Piauí · Esperantina
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

191.37.4.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
191.37.4.0
Broadcast
191.37.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.9475 , -42.8601
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS263346 · Fonte Informatica ltda
Top organization / ISP
Fonte Informatica ltda · Fonte Informatica ltda
Top geo
Brazil · Maranhão · Buriti
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →