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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: Philadelphia · Clear
Snapshot 2026-03-08 Results 28 Page 1 / 1

192.186.172.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
192.186.172.0
Broadcast
192.186.172.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
35.6795 , -84.4038
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-02-25 02:00 · 2026-03-01 02:00
Top ASN
AS55286 · B2 Net Solutions Inc.
Top organization / ISP
B2 Net Solutions Inc · B2 Net Solutions Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.223.0/24

Risk Max — LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
172.56.223.0
Broadcast
172.56.223.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
40.0036 , -75.15256666666666
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.221.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.56.221.0
Broadcast
172.56.221.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-27 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.222.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.56.222.0
Broadcast
172.56.222.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.28.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
172.56.28.0
Broadcast
172.56.28.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

213.170.223.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
213.170.223.0
Broadcast
213.170.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9495 , -75.1719
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS209372 · WS Telecom Inc
Top organization / ISP
SIA "Singularity Telecom" · WS Telecom Inc
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

71.225.176.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
71.225.176.0
Broadcast
71.225.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.217.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.217.0
Broadcast
172.56.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9739 , -75.1456
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

172.56.29.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.56.29.0
Broadcast
172.56.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS21928 · T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA, Inc. · T-Mobile USA, Inc.
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

174.173.57.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
174.173.57.0
Broadcast
174.173.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0359 , -75.145
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, LLC · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.14.8.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.14.8.0
Broadcast
100.14.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0364 , -75.2219
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.34.141.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.34.141.0
Broadcast
100.34.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0364 , -75.2219
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.34.255.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.34.255.0
Broadcast
100.34.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0345 , -75.1193
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

153.66.173.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
153.66.173.0
Broadcast
153.66.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9525 , -75.1652
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS14593 · Space Exploration Technologies Corporation
Top organization / ISP
SpaceX Starlink · Space Exploration Technologies Corporation
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

68.82.29.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.82.29.0
Broadcast
68.82.29.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.981 , -75.1699
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

71.185.99.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
71.185.99.0
Broadcast
71.185.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0545 , -75.1607
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

96.245.132.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
96.245.132.0
Broadcast
96.245.132.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0545 , -75.1607
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS701 · Verizon Business
Top organization / ISP
Verizon Business · Verizon Business
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

68.80.253.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
68.80.253.0
Broadcast
68.80.253.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.934 , -75.16
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

73.13.14.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.13.14.0
Broadcast
73.13.14.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0364 , -75.2219
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

73.13.61.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.13.61.0
Broadcast
73.13.61.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9612 , -75.2303
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast IP Services, L.L.C. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.11.232.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.11.232.0
Broadcast
100.11.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0172 , -75.0883
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.11.71.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.11.71.0
Broadcast
100.11.71.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0356 , -75.1763
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

173.15.180.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
173.15.180.0
Broadcast
173.15.180.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9486 , -75.2339
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Lucas Pizzaria · Comcast Cable Communications
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

71.185.35.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
71.185.35.0
Broadcast
71.185.35.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9843 , -75.2266
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

73.233.121.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
73.233.121.0
Broadcast
73.233.121.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0149 , -75.1439
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

76.98.230.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.98.230.0
Broadcast
76.98.230.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.09 , -75.0363
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

76.99.231.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
76.99.231.0
Broadcast
76.99.231.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.9206 , -75.1826
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS7922 · Comcast Cable Communications, LLC
Top organization / ISP
Comcast Cable Communications, Inc. · Comcast Cable Communications, LLC
Top geo
United States · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

100.11.203.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
100.11.203.0
Broadcast
100.11.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0255 , -75.0534
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 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 · Pennsylvania · Philadelphia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →