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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.

177.12.137.0/24

Risk Max LOW Footprint 1.953% Hits 7
Prefix / IP version
/24 · IPv4
Network
177.12.137.0
Broadcast
177.12.137.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-19.919242857142855 , -43.9739
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.159.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.12.159.0
Broadcast
177.12.159.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
-11.445340000000002 , -41.799400000000006
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.142.0/24

Risk Max LOW Footprint 1.562% Hits 10
Prefix / IP version
/24 · IPv4
Network
177.12.142.0
Broadcast
177.12.142.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-15.07217 , -40.02449
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-07 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.157.0/24

Risk Max LOW Footprint 1.562% Hits 9
Prefix / IP version
/24 · IPv4
Network
177.12.157.0
Broadcast
177.12.157.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-11.380166666666668 , -41.81744444444444
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.153.0/24

Risk Max LOW Footprint 1.562% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.12.153.0
Broadcast
177.12.153.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-17.5321 , -39.738
Hits / Errors
5 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-08 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.154.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
177.12.154.0
Broadcast
177.12.154.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-17.5321 , -39.738
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.139.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.12.139.0
Broadcast
177.12.139.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-3.3277 , -40.9633
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-08 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.158.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.12.158.0
Broadcast
177.12.158.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-11.2987 , -41.84
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-06 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

189.89.248.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
189.89.248.0
Broadcast
189.89.248.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-13.7178 , -41.0838
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-05 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.12.132.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.12.132.0
Broadcast
177.12.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-9.575 , -35.6908
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

189.89.254.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.89.254.0
Broadcast
189.89.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-4.8171 , -43.4207
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-04 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

189.89.250.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.89.250.0
Broadcast
189.89.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-8.1136 , -35.0145
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2