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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.

131.108.221.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
131.108.221.0
Broadcast
131.108.221.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-14 23:07 · 2025-12-14 23:25
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

186.216.57.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
186.216.57.0
Broadcast
186.216.57.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
0.8296 , -60.1285
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-11-06 06:04 · 2025-11-06 09:32
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

177.155.151.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.155.151.0
Broadcast
177.155.151.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-05 23:27 · 2025-11-06 00:14
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

131.108.220.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
131.108.220.0
Broadcast
131.108.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-11 05:42 · 2025-10-11 05:42
Top geo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

45.171.106.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.171.106.0
Broadcast
45.171.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-11.1403 , -62.3645
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-02 22:41 · 2025-08-02 22:41
Top ASN
AS268750 · M. L. J. DANTAS - ME
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

45.169.44.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
45.169.44.0
Broadcast
45.169.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-15.2146 , -47.8868
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-12-27 17:19 · 2024-12-27 17:19
Top ASN
AS268097 · i10 Telecom ISP
Top geo
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2

131.108.223.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.108.223.0
Broadcast
131.108.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 10:30 · 2025-12-17 10:30
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.155.159.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.159.0
Broadcast
177.155.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 05:57 · 2025-12-17 05:57
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.155.149.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.149.0
Broadcast
177.155.149.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 00:45 · 2025-12-17 00:45
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

177.155.155.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.155.0
Broadcast
177.155.155.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-29 10:15 · 2025-11-29 10:15
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

131.108.222.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
131.108.222.0
Broadcast
131.108.222.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-25 09:05 · 2025-11-25 09:05
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

177.155.156.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.156.0
Broadcast
177.155.156.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 15:25 · 2025-11-06 15:25
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

177.11.70.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.11.70.0
Broadcast
177.11.70.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-5.8111 , -35.2235
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-28 05:03 · 2025-10-28 05:03
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2

167.250.218.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
167.250.218.0
Broadcast
167.250.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.1437 , -54.8047
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-17 21:02 · 2025-10-17 21:02
Top ASN
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

177.155.147.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.147.0
Broadcast
177.155.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-05 13:05 · 2025-10-05 13:05
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

177.155.150.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.150.0
Broadcast
177.155.150.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-16 17:39 · 2025-09-16 17:39
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2

187.103.122.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.103.122.0
Broadcast
187.103.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-12.8665 , -38.4858
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-11 12:25 · 2025-09-11 12:25
Top ASN
AS14840 · BR.Digital Telecom
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

177.155.154.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.154.0
Broadcast
177.155.154.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-25 23:03 · 2025-08-25 23:03
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

45.172.55.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.172.55.0
Broadcast
45.172.55.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-11.1403 , -62.3645
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-02 14:58 · 2025-08-02 14:58
Top ASN
AS268750 · M. L. J. DANTAS - ME
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

177.155.148.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.155.148.0
Broadcast
177.155.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-10.5388 , -38.4214
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-07-22 11:37 · 2025-07-22 11:37
Top ASN
AS262769 · AVANZA TELECOM LTDA
Top geo
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2

45.172.54.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.172.54.0
Broadcast
45.172.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-11.1403 , -62.3645
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-06-27 22:38 · 2025-06-27 22:38
Top ASN
AS268750 · M. L. J. DANTAS - ME
Top organization / ISP
Top geo
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2