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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.

177.192.21.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
177.192.21.0
Broadcast
177.192.21.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9072 , -43.1883
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-08 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.228.78.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.228.78.0
Broadcast
186.228.78.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-08 02:00
Top ASN
AS26615 · TIM S/A
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.192.8.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
177.192.8.0
Broadcast
177.192.8.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9072 , -43.1883
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-07 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

187.120.20.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.120.20.0
Broadcast
187.120.20.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-07 02:00
Top ASN
AS266181 · GOLDEN LINK
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

191.0.105.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.0.105.0
Broadcast
191.0.105.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-07 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

152.237.178.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.237.178.0
Broadcast
152.237.178.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-11.497750000000002 , -47.698750000000004
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-03-03 02:00 · 2026-03-07 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.233.188.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.233.188.0
Broadcast
45.233.188.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.6677 , -43.6004
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-07 02:00
Top ASN
AS267348 · Fc Telecomunicacoes
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

143.137.71.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
143.137.71.0
Broadcast
143.137.71.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.8701 , -42.5616
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

187.84.47.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.84.47.0
Broadcast
187.84.47.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

179.218.18.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
179.218.18.0
Broadcast
179.218.18.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9072 , -43.1883
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

152.237.186.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.237.186.0
Broadcast
152.237.186.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.205.5.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.205.5.0
Broadcast
186.205.5.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9072 , -43.1883
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.184.74.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
177.184.74.0
Broadcast
177.184.74.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.4706 , -43.8278
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

200.13.86.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
200.13.86.0
Broadcast
200.13.86.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.0726 , -42.5279
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.242.197.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.242.197.0
Broadcast
186.242.197.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

152.237.104.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.237.104.0
Broadcast
152.237.104.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.193.52.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.193.52.0
Broadcast
186.193.52.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.8732 , -42.3396
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

187.62.242.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
187.62.242.0
Broadcast
187.62.242.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.52.68.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
190.52.68.0
Broadcast
190.52.68.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.8902 , -42.0232
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS271545 · USUAL TELECOM LTDA
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.187.34.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
45.187.34.0
Broadcast
45.187.34.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.9201 , -43.2059
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-05 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

200.229.159.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
200.229.159.0
Broadcast
200.229.159.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-23.171 , -44.6612
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-05 02:00
Top ASN
AS61805 · Emex Internet
Top organization / ISP
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.192.53.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
186.192.53.0
Broadcast
186.192.53.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-21.6774 , -41.4553
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-05 02:00
Top ASN
AS263009 · FORTE TELECOM LTDA.
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

152.234.191.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
152.234.191.0
Broadcast
152.234.191.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.729275 , -43.318675000000006
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-05 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

191.242.237.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
191.242.237.0
Broadcast
191.242.237.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-04 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

152.237.100.0/24

Risk Max LOW Footprint 1.172% Hits 8
Prefix / IP version
/24 · IPv4
Network
152.237.100.0
Broadcast
152.237.100.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS7738 · V tal
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

177.192.12.0/24

Risk Max LOW Footprint 1.172% Hits 8
Prefix / IP version
/24 · IPv4
Network
177.192.12.0
Broadcast
177.192.12.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.907199999999996 , -43.1883
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

38.225.78.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
38.225.78.0
Broadcast
38.225.78.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.9053 , -43.6032
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS272619 · FIVE TELECOM LTDA
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

138.99.81.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
138.99.81.0
Broadcast
138.99.81.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.8902 , -42.02320000000001
Hits / Errors
7 hits · 1 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS271596 · MaxNet Telecom
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

168.197.58.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
168.197.58.0
Broadcast
168.197.58.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-21.677400000000002 , -41.4553
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-09 02:00
Top ASN
AS264025 · Arroba Banda Larga
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.223.169.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
186.223.169.0
Broadcast
186.223.169.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.8896 , -43.105399999999996
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-03 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

186.233.112.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
186.233.112.0
Broadcast
186.233.112.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.9201 , -43.0811
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
AS266181 · GOLDEN LINK
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

131.221.174.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
131.221.174.0
Broadcast
131.221.174.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.804200000000005 , -43.3641
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-06 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

170.150.54.0/24

Risk Max LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
170.150.54.0
Broadcast
170.150.54.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.753900000000005 , -43.45190000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-04 02:00
Top ASN
AS265046 · NET-MAIS INFORMATICA
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.233.78.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
45.233.78.0
Broadcast
45.233.78.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-09 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

191.241.66.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
191.241.66.0
Broadcast
191.241.66.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.86465 , -42.06495
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-09 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

170.245.225.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
170.245.225.0
Broadcast
170.245.225.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.7454 , -43.22526666666667
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-02 02:00 · 2026-03-09 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

138.186.238.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
138.186.238.0
Broadcast
138.186.238.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.9161 , -42.8199
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-08 02:00
Top ASN
Top geo
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

45.227.228.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
45.227.228.0
Broadcast
45.227.228.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-23.0286 , -44.3341
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-04 02:00 · 2026-03-08 02:00
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

190.9.114.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
190.9.114.0
Broadcast
190.9.114.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.7539 , -43.4519
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-07 02:00
Top ASN
AS273639 · UTRA NET
Top organization / ISP
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2

191.243.160.0/24

Risk Max LOW Footprint 1.172% Hits 6
Prefix / IP version
/24 · IPv4
Network
191.243.160.0
Broadcast
191.243.160.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-22.8282 , -43.0593
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-06 02:00
Top ASN
Window / Updated
2026-03-02 → 2026-03-09 · Updated 2026-03-13 · v2
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