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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: Andover · Clear
Snapshot 2026-01-21 Results 6 Page 1 / 1

131.239.113.0/24

Risk Max — LOW Footprint 0.391% Hits 11
Prefix / IP version
/24 · IPv4
Network
131.239.113.0
Broadcast
131.239.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.6821 , -71.1116
Hits / Errors
11 hits · 0 errors
First / Last seen
2024-11-18 05:37 · 2024-11-18 05:38
Top ASN
AS46887 · Crown Castle Fiber LLC
Top organization / ISP
Aerwave, Inc · Crown Castle Fiber LLC
Top geo
United States · Massachusetts · North Andover
Window / Updated
2024-11-18 → 2024-11-25 · Updated 2026-01-14 · v2
Open report →

24.245.40.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
24.245.40.0
Broadcast
24.245.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.2425 , -93.2841
Hits / Errors
4 hits · 2 errors
First / Last seen
2025-08-02 22:11 · 2025-08-02 22:11
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications Holdings, Inc · Comcast Cable Communications
Top geo
United States · Minnesota · Andover
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

216.220.91.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
216.220.91.0
Broadcast
216.220.91.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.9859 , -74.7421
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-07-22 14:33 · 2025-07-22 14:33
Top ASN
AS3580 · Planet Networks
Top organization / ISP
Planet Networks · Planet Networks
Top geo
United States · New Jersey · Andover
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

90.202.203.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.202.203.0
Broadcast
90.202.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.2105 , -1.5001
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-02 21:18 · 2025-08-02 21:18
Top ASN
AS5607 · Sky UK Limited
Top organization / ISP
Sky Broadband · Sky UK Limited
Top geo
United Kingdom · England · Andover
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

86.165.170.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
86.165.170.0
Broadcast
86.165.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
51.2105 , -1.5001
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 06:55 · 2025-05-05 06:55
Top ASN
AS2856 · British Telecommunications PLC
Top organization / ISP
— · BT Public Internet Service
Top geo
United Kingdom · England · Andover
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

71.184.123.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
71.184.123.0
Broadcast
71.184.123.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.6508 , -71.1607
Hits / Errors
1 hits · 0 errors
First / Last seen
2023-07-22 17:19 · 2023-07-22 17:19
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Massachusetts · Andover
Window / Updated
2023-07-17 → 2023-07-24 · Updated 2026-01-14 · v2
Open report →