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.
Search
Active filter:
AWS EC2 (sa-east-1)
·
Clear
Snapshot
2026-03-07
Results
9
Page
1
/
1
15.228.183.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
15.228.183.0
Broadcast
15.228.183.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
15.228.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
15.228.40.0
Broadcast
15.228.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
15.228.90.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
15.228.90.0
Broadcast
15.228.90.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
54.233.10.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
54.233.10.0
Broadcast
54.233.10.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
56.125.185.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
56.125.185.0
Broadcast
56.125.185.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
15.228.42.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
15.228.42.0
Broadcast
15.228.42.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
177.71.228.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
177.71.228.0
Broadcast
177.71.228.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
54.232.72.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
54.232.72.0
Broadcast
54.232.72.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon Technologies Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
15.229.244.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
15.229.244.0
Broadcast
15.229.244.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
-23.5505 , -46.6333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS16509 ·
Amazon.com, Inc.
Top organization / ISP
AWS EC2 (sa-east-1)
·
Amazon.com, Inc.
Top geo
Brazil
·
São Paulo
·
São Paulo
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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