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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: Web Connect · Clear
Snapshot 2026-01-21 Results 5 Page 1 / 1

177.221.131.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
177.221.131.0
Broadcast
177.221.131.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
-7.869600000000001 , -35.7517
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-09-08 03:57 · 2025-09-10 22:55
Top ASN
AS270727 · Web Connect
Top organization / ISP
Web Connect · Web Connect
Top geo
Brazil · Pernambuco · Surubim
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

177.221.128.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
177.221.128.0
Broadcast
177.221.128.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-7.869600000000001 , -35.7517
Hits / Errors
3 hits · 0 errors
First / Last seen
2025-10-08 11:22 · 2025-10-11 11:12
Top ASN
AS270727 · Web Connect
Top organization / ISP
Web Connect · Web Connect
Top geo
Brazil · Pernambuco · Surubim
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

177.221.129.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
177.221.129.0
Broadcast
177.221.129.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-7.8696 , -35.7517
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-10-04 01:23 · 2025-10-04 13:32
Top ASN
AS270727 · Web Connect
Top organization / ISP
Web Connect · Web Connect
Top geo
Brazil · Pernambuco · Surubim
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

177.221.130.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.221.130.0
Broadcast
177.221.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-7.8696 , -35.7517
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 02:23 · 2025-12-14 02:23
Top ASN
AS270727 · Web Connect
Top organization / ISP
Web Connect · Web Connect
Top geo
Brazil · Pernambuco · Surubim
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

157.15.229.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
157.15.229.0
Broadcast
157.15.229.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
24.0524 , 90.9764
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-10 04:53 · 2025-09-10 04:53
Top ASN
AS152474 · Web Connection
Top organization / ISP
— · Network24 (KBZ Online)
Top geo
Bangladesh · Dhaka Division · Bhairab Bāzār
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →