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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: NET ONDA SERVICOS DE INTERNET LTDA · Clear
Snapshot 2026-01-27 Results 20 Page 1 / 1

177.55.248.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.55.248.0
Broadcast
177.55.248.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.0834 , -39.897
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-17 08:42 · 2025-12-17 09:04
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Itarema
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

128.201.122.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
128.201.122.0
Broadcast
128.201.122.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-4.6207 , -37.7631
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-07 01:42 · 2025-10-10 07:17
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Aracati
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

186.249.179.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.249.179.0
Broadcast
186.249.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.5452 , -39.4105
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-12 21:23 · 2025-10-12 21:23
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Tururu
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

186.249.186.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.249.186.0
Broadcast
186.249.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-17 11:01 · 2025-09-17 11:01
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

186.249.188.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.249.188.0
Broadcast
186.249.188.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-10 18:15 · 2025-09-10 18:15
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

177.55.243.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.55.243.0
Broadcast
177.55.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-4.184 , -38.5189
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-24 08:12 · 2025-08-24 08:12
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Pacajus
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

177.55.249.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.55.249.0
Broadcast
177.55.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.0834 , -39.897
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-17 21:05 · 2025-08-17 21:05
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Itarema
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

186.249.190.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.249.190.0
Broadcast
186.249.190.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-16 07:09 · 2025-08-16 07:09
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

128.201.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
128.201.123.0
Broadcast
128.201.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-4.6207 , -37.7631
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-28 10:02 · 2025-12-28 10:02
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Aracati
Window / Updated
2025-12-22 → 2025-12-29 · Updated 2026-01-14 · v2
Open report →

186.249.177.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.177.0
Broadcast
186.249.177.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-12-17 14:36 · 2025-12-17 14:36
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

128.201.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
128.201.121.0
Broadcast
128.201.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-4.6207 , -37.7631
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 02:54 · 2025-12-17 02:54
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Aracati
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

177.55.240.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.55.240.0
Broadcast
177.55.240.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 12:53 · 2025-12-14 12:53
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

177.55.245.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.55.245.0
Broadcast
177.55.245.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.0834 , -39.897
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 09:23 · 2025-12-01 09:23
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Itarema
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

177.55.242.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.55.242.0
Broadcast
177.55.242.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.5639 , -39.0656
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-24 17:05 · 2025-11-24 17:05
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · São Gonçalo do Amarante
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

186.249.187.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.187.0
Broadcast
186.249.187.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-06 09:30 · 2025-11-06 09:30
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

186.249.176.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.176.0
Broadcast
186.249.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 08:53 · 2025-11-06 08:53
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
Connect Servicos De Internet · NET ONDA SERVICOS DE INTERNET LTDA
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

177.55.247.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.55.247.0
Broadcast
177.55.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.2758 , -39.8061
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-12 05:17 · 2025-10-12 05:17
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Amontada
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

186.249.181.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.181.0
Broadcast
186.249.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.3754 , -39.5594
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-21 07:42 · 2025-09-21 07:42
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
NET ONDA SERVICOS DE INTERNET LTDA · VAS Freitas Servicos de Internet Ltda
Top geo
Brazil · Ceará · Itapipoca
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

186.249.180.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.180.0
Broadcast
186.249.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.3754 , -39.5594
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-26 19:14 · 2025-08-26 19:14
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
JEBNET TELECOMUNICAÇOES LTDA · NET ONDA SERVICOS DE INTERNET LTDA
Top geo
Brazil · Ceará · Itapipoca
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2
Open report →

186.249.183.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
186.249.183.0
Broadcast
186.249.183.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-3.717 , -38.5287
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-06-25 07:50 · 2025-06-25 07:50
Top ASN
AS262532 · NET ONDA SERVICOS DE INTERNET LTDA
Top organization / ISP
CCTA SERVIÇOS DE INFORMATICA LTDA · NET ONDA SERVICOS DE INTERNET LTDA
Top geo
Brazil · Ceará · Fortaleza
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2
Open report →