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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: Waldorf · Clear
Snapshot 2026-03-19 Results — Page 1 / 1

72.83.86.0/24

Risk Max — LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
72.83.86.0
Broadcast
72.83.86.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

108.31.246.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
108.31.246.0
Broadcast
108.31.246.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
38.5845 , -76.8941
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

173.79.152.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
173.79.152.0
Broadcast
173.79.152.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.129.33.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.129.33.0
Broadcast
73.129.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.129.49.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
73.129.49.0
Broadcast
73.129.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-10 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

100.15.12.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
100.15.12.0
Broadcast
100.15.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

100.15.3.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.15.3.0
Broadcast
100.15.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

173.73.113.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.73.113.0
Broadcast
173.73.113.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

72.83.106.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
72.83.106.0
Broadcast
72.83.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
— · Verizon Online LLC
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.129.50.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.129.50.0
Broadcast
73.129.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.129.51.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.129.51.0
Broadcast
73.129.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.129.53.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.129.53.0
Broadcast
73.129.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.635 , -76.882
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

73.163.130.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.163.130.0
Broadcast
73.163.130.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-11 02:00 · 2026-03-12 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

108.18.234.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
108.18.234.0
Broadcast
108.18.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.5845 , -76.8941
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
MCI Communications Services, Inc. d/b/a Verizon Business · Verizon Communications
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

76.106.67.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.106.67.0
Broadcast
76.106.67.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

76.106.69.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.106.69.0
Broadcast
76.106.69.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.6273 , -76.9859
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Maryland · Waldorf
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →