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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.

139.28.30.0/24

Risk Max LOW Footprint 5.078% Hits 19
Prefix / IP version
/24 · IPv4
Network
139.28.30.0
Broadcast
139.28.30.255
Observed IPs / Subnet size
13 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
19 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

146.19.220.0/24

Risk Max LOW Footprint 4.688% Hits 16
Prefix / IP version
/24 · IPv4
Network
146.19.220.0
Broadcast
146.19.220.255
Observed IPs / Subnet size
12 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
16 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.63.0/24

Risk Max LOW Footprint 3.906% Hits 12
Prefix / IP version
/24 · IPv4
Network
91.247.63.0
Broadcast
91.247.63.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.57.0/24

Risk Max LOW Footprint 3.906% Hits 10
Prefix / IP version
/24 · IPv4
Network
91.247.57.0
Broadcast
91.247.57.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · Sky Mobile LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.59.0/24

Risk Max LOW Footprint 3.125% Hits 10
Prefix / IP version
/24 · IPv4
Network
91.247.59.0
Broadcast
91.247.59.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
42.8696 , 74.5932
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

139.28.29.0/24

Risk Max LOW Footprint 2.344% Hits 6
Prefix / IP version
/24 · IPv4
Network
139.28.29.0
Broadcast
139.28.29.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · Sky Mobile LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.62.0/24

Risk Max LOW Footprint 1.562% Hits 7
Prefix / IP version
/24 · IPv4
Network
91.247.62.0
Broadcast
91.247.62.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.56.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
91.247.56.0
Broadcast
91.247.56.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
42.8696 , 74.59320000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

139.28.31.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
139.28.31.0
Broadcast
139.28.31.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
42.8696 , 74.5932
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.247.58.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.247.58.0
Broadcast
91.247.58.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.8696 , 74.5932
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-03-01 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

91.192.66.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
91.192.66.0
Broadcast
91.192.66.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.8696 , 74.5932
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-28 02:00
Top ASN
AS41329 · "Sky Mobile" LLC
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2