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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: Express Network-me · Clear
Snapshot 2026-01-22 Results 3 Page 1 / 1

170.81.156.0/24

Risk Max — LOW Footprint 3.125% Hits 10
Prefix / IP version
/24 · IPv4
Network
170.81.156.0
Broadcast
170.81.156.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
-23.6293 , -46.63510000000001
Hits / Errors
10 hits · 0 errors
First / Last seen
2025-12-17 03:04 · 2025-12-17 23:44
Top ASN
AS266414 · EXPRESS NETWORK-ME
Top organization / ISP
Express Network-me · Express Network-me
Top geo
Brazil · São Paulo · São Paulo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

170.81.158.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
170.81.158.0
Broadcast
170.81.158.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.6293 , -46.6351
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-09-12 13:59 · 2025-09-12 13:59
Top ASN
AS266414 · EXPRESS NETWORK-ME
Top organization / ISP
Express Network-me · Express Network-me
Top geo
Brazil · São Paulo · São Paulo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

170.81.159.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
170.81.159.0
Broadcast
170.81.159.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-23.6293 , -46.6351
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-30 02:53 · 2025-09-30 02:53
Top ASN
AS266414 · EXPRESS NETWORK-ME
Top organization / ISP
Express Network-me · Express Network-me
Top geo
Brazil · São Paulo · São Paulo
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →