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.
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Active filter:
Arlington
·
Clear
Snapshot
2026-03-10
Results
11
Page
1
/
1
172.56.21.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
172.56.21.0
Broadcast
172.56.21.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
32.7226 , -97.0785
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS21928 ·
T-Mobile USA, Inc.
Top organization / ISP
T-Mobile USA
·
T-Mobile USA, Inc.
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
86.43.162.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
86.43.162.0
Broadcast
86.43.162.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
53.162 , -7.1864
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS5466 ·
Eircom Limited
Top organization / ISP
— ·
Eircom Limited
Top geo
Ireland
·
Leinster
·
Portarlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
109.150.187.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
109.150.187.0
Broadcast
109.150.187.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.5245 , -1.551
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS2856 ·
British Telecommunications PLC
Top organization / ISP
— ·
BT Public Internet Service
Top geo
United Kingdom
·
England
·
Darlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
209.222.178.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
209.222.178.0
Broadcast
209.222.178.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.4525 , -96.3511
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS16604 ·
HUNTEL.NET
Top organization / ISP
HUNTEL.NET
·
HUNTEL.NET
Top geo
United States
·
Nebraska
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
35.147.156.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
35.147.156.0
Broadcast
35.147.156.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.7226 , -97.0785
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS11427 ·
Charter Communications Inc
Top organization / ISP
Spectrum
·
Charter Communications
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
73.212.50.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
73.212.50.0
Broadcast
73.212.50.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
38.8428 , -77.09
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 IP Services, L.L.C.
·
Comcast Cable Communications
Top geo
United States
·
Virginia
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
99.190.212.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
99.190.212.0
Broadcast
99.190.212.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.6587 , -97.1617
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS7018 ·
AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp
·
AT&T Enterprises, LLC
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
69.213.13.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
69.213.13.0
Broadcast
69.213.13.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.6227 , -97.1479
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS7018 ·
AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp
·
AT&T Enterprises, LLC
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
86.8.136.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
86.8.136.0
Broadcast
86.8.136.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
54.5243 , -1.55039
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS5089 ·
Virgin Media Limited
Top organization / ISP
— ·
Virgin Media
Top geo
United Kingdom
·
England
·
Darlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
76.184.67.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
76.184.67.0
Broadcast
76.184.67.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.6227 , -97.1479
Hits / Errors
1
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS11427 ·
Charter Communications Inc
Top organization / ISP
Spectrum
·
Charter Communications
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
76.236.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
76.236.251.0
Broadcast
76.236.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.6233 , -97.0818
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS7018 ·
AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp.
·
AT&T Enterprises, LLC
Top geo
United States
·
Texas
·
Arlington
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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