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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: GoNetSpeed · Clear
Snapshot 2026-01-22 Results 8 Page 1 / 1

64.135.137.0/24

Risk Max — LOW Footprint 0.781% Hits 38
Prefix / IP version
/24 · IPv4
Network
64.135.137.0
Broadcast
64.135.137.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.1719 , -72.4721
Hits / Errors
38 hits · 3 errors
First / Last seen
2025-05-22 20:15 · 2025-05-24 20:57
Top ASN
AS11847 · GoNetSpeed
Top organization / ISP
GoNetSpeed · GoNetSpeed
Top geo
United States · Massachusetts · Ludlow
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2
Open report →

64.135.133.0/24

Risk Max — LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
64.135.133.0
Broadcast
64.135.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.1719 , -72.4721
Hits / Errors
12 hits · 1 errors
First / Last seen
2024-10-30 19:54 · 2024-10-30 20:02
Top ASN
AS46414 · GoNetSpeed
Top organization / ISP
CRC Communications LLC (d/b/a GONETSPEED) · GoNetSpeed
Top geo
United States · Massachusetts · Ludlow
Window / Updated
2024-10-28 → 2024-11-04 · Updated 2026-01-14 · v2
Open report →

74.8.254.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
74.8.254.0
Broadcast
74.8.254.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.3303 , -86.4898
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 08:25 · 2025-05-05 11:22
Top ASN
AS27338 · GoNetSpeed
Top organization / ISP
Windstream Communications LLC · GoNetSpeed
Top geo
United States · Alabama · Arab
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

64.135.135.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
64.135.135.0
Broadcast
64.135.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.1719 , -72.4721
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-04 10:13 · 2025-08-04 10:13
Top ASN
AS46414 · GoNetSpeed
Top organization / ISP
CRC Communications LLC (d/b/a GONETSPEED) · GoNetSpeed
Top geo
United States · Massachusetts · Ludlow
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

50.21.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.21.148.0
Broadcast
50.21.148.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.9481 , -86.4728
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-19 22:02 · 2025-07-19 22:02
Top ASN
AS27338 · GoNetSpeed
Top organization / ISP
GoNetSpeed · GoNetSpeed
Top geo
United States · Alabama · Oneonta
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2
Open report →

64.135.138.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
64.135.138.0
Broadcast
64.135.138.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.1719 , -72.4721
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 02:34 · 2025-05-06 02:34
Top ASN
AS11847 · GoNetSpeed
Top organization / ISP
GoNetSpeed · GoNetSpeed
Top geo
United States · Massachusetts · Ludlow
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

50.21.153.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
50.21.153.0
Broadcast
50.21.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.9481 , -86.4728
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 13:17 · 2025-05-05 13:17
Top ASN
AS27338 · GoNetSpeed
Top organization / ISP
GoNetSpeed · GoNetSpeed
Top geo
United States · Alabama · Oneonta
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

97.66.211.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
97.66.211.0
Broadcast
97.66.211.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
34.3303 , -86.4898
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 13:11 · 2025-05-05 13:11
Top ASN
AS27338 · GoNetSpeed
Top organization / ISP
Otelco · Windstream Communications LLC
Top geo
United States · Alabama · Arab
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →