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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: Lantec Comunicacao Multimidia Ltda · Clear
Snapshot 2026-03-04 Results 9 Page 1 / 1

187.17.230.0/24

Risk Max — LOW Footprint 5.859% Hits 19
Prefix / IP version
/24 · IPv4
Network
187.17.230.0
Broadcast
187.17.230.255
Observed IPs / Subnet size
15 observed · 256 total
Centroid
-26.279989473684214 , -49.37712105263157
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · São Bento do Sul
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.17.229.0/24

Risk Max — LOW Footprint 4.688% Hits 16
Prefix / IP version
/24 · IPv4
Network
187.17.229.0
Broadcast
187.17.229.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
-26.345724999999995 , -49.35936250000001
Hits / Errors
16 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · São Bento do Sul
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.108.13.0/24

Risk Max — LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
187.108.13.0
Broadcast
187.108.13.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-25.70698333333333 , -49.384116666666664
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS272273 · SFR Solucoes em Tecnologia da Informacao Ltda
Top organization / ISP
Lantec Comunicacao Multimidia Ltda · SFR Solucoes em Tecnologia da Informacao Ltda
Top geo
Brazil · Paraná · Araucária
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.108.15.0/24

Risk Max — LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
187.108.15.0
Broadcast
187.108.15.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-26.2659 , -48.9987
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · Joinville
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.108.12.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.108.12.0
Broadcast
187.108.12.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-26.4723 , -49.9038
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-25 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
fusao redes provedor de internet ltda · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · Itaiópolis
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.17.224.0/24

Risk Max — LOW Footprint 0.391% Hits 5
Prefix / IP version
/24 · IPv4
Network
187.17.224.0
Broadcast
187.17.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.3116 , -49.3788
Hits / Errors
5 hits · 2 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · São Bento do Sul
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.108.4.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.108.4.0
Broadcast
187.108.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.5001 , -47.4518
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · São Paulo · Sorocaba
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.17.226.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.17.226.0
Broadcast
187.17.226.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.4208 , -49.3166
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
SIM INTERNET PROVEDORES DE INTERNET EIRELI · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · São Bento do Sul
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

187.17.237.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.17.237.0
Broadcast
187.17.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-26.3033 , -48.8413
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS28267 · LANTEC COMUNICACAO MULTIMIDIA LTDA
Top organization / ISP
Lantec Comunicacao Multimidia Ltda · Lantec Comunicacao Multimidia Ltda
Top geo
Brazil · Santa Catarina · Joinville
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →