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.
Search
Active filter:
Hurricane Electric LLC
·
Clear
Snapshot
2026-03-08
Results
73
Page
2
/
2
172.121.76.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.76.0
Broadcast
172.121.76.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.117.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.117.0
Broadcast
172.121.117.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.123.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.123.0
Broadcast
172.121.123.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.184.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.184.0
Broadcast
172.121.184.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.74.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.74.0
Broadcast
172.121.74.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.117.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.117.0
Broadcast
172.252.117.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.132.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.132.0
Broadcast
172.252.132.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.184.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.184.0
Broadcast
172.252.184.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.205.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.205.0
Broadcast
172.252.205.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.206.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.206.0
Broadcast
172.252.206.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.213.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.213.0
Broadcast
172.252.213.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.148.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.148.0
Broadcast
172.121.148.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3541 , -121.9552
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
California
·
Santa Clara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.54.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.54.0
Broadcast
172.252.54.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
64.71.131.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
64.71.131.0
Broadcast
64.71.131.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.7468 , -111.8268
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
e.ventures US Master Manager LLC
·
Hurricane Electric LLC
Top geo
United States
·
Utah
·
Logan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.131.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.131.0
Broadcast
172.121.131.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.138.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.138.0
Broadcast
172.121.138.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.149.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.149.0
Broadcast
172.121.149.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.90.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.90.0
Broadcast
172.121.90.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.97.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.97.0
Broadcast
172.121.97.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.119.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.119.0
Broadcast
172.252.119.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.135.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.135.0
Broadcast
172.252.135.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.165.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.165.0
Broadcast
172.252.165.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.174.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.174.0
Broadcast
172.252.174.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3541 , -121.9552
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
California
·
Santa Clara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.223.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.223.0
Broadcast
172.252.223.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.46.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.46.0
Broadcast
172.252.46.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
184.104.238.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
184.104.238.0
Broadcast
184.104.238.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.4098 , -84.3289
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS11910 ·
LakeNet LLC
Top organization / ISP
Hurricane Electric
·
Hurricane Electric LLC
Top geo
United States
·
Michigan
·
Merrill
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.127.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.127.0
Broadcast
172.121.127.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.160.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.160.0
Broadcast
172.121.160.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3541 , -121.9552
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
California
·
Santa Clara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.121.188.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.121.188.0
Broadcast
172.121.188.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.3541 , -121.9552
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
California
·
Santa Clara
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.179.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.179.0
Broadcast
172.252.179.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.40.0
Broadcast
172.252.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
32.3215 , 34.8532
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
Israel
·
Central District
·
Netanya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
172.252.47.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
172.252.47.0
Broadcast
172.252.47.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
37.5407 , -77.4361
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS6939 ·
Hurricane Electric LLC
Top organization / ISP
— ·
Internet Utilities NA LLC
Top geo
United States
·
Virginia
·
Richmond
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
184.105.197.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
184.105.197.0
Broadcast
184.105.197.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
20.9661 , -104.4373
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS265605 ·
VELOCOM SA DE CV
Top organization / ISP
Hurricane Electric LLC
·
Velocom SA de CV
Top geo
Mexico
·
Nayarit
·
Ixtlán del Río
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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