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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: RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES · Clear
Snapshot 2026-03-04 Results 6 Page 1 / 1

138.0.150.0/24

Risk Max — LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
138.0.150.0
Broadcast
138.0.150.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-5.9025 , -42.6092
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · Piauí · Água Branca
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.187.120.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.187.120.0
Broadcast
45.187.120.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-21.4976 , -47.3593
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-28 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · São Paulo · Santa Rosa de Viterbo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.187.123.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
45.187.123.0
Broadcast
45.187.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4153 , -42.9869
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · Rio de Janeiro · Teresópolis
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.187.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.187.121.0
Broadcast
45.187.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-8.5791 , -39.9261
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · Pernambuco · Santa Maria da Boa Vista
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

138.0.149.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
138.0.149.0
Broadcast
138.0.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-1.1026 , -48.1949
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · Pará · Santo Antônio do Tauá
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

45.169.13.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.169.13.0
Broadcast
45.169.13.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.5461 , -35.7036
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS268546 · RIOTELE-REAL INTERNET OPTICA TELECOMUNICACOES
Top organization / ISP
Riotele-real Internet Optica Telecomunicacoes · Riotele-real Internet Optica Telecomunicacoes
Top geo
Brazil · Paraíba · Aroeiras
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →