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:
UltraNET Ltd
·
Clear
Snapshot
2026-03-10
Results
27
Page
1
/
1
77.77.16.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
10
Prefix / IP version
/24 · IPv4
Network
77.77.16.0
Broadcast
77.77.16.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
42.2875 , 22.695299999999996
Hits / Errors
10
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Kyustendil
·
Kyustendil
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
192.141.107.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
8
Prefix / IP version
/24 · IPv4
Network
192.141.107.0
Broadcast
192.141.107.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
-2.4802 , -44.1105
Hits / Errors
8
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS267535 ·
Ajust Consulting
Top organization / ISP
Ultranet Ltda
·
Ajust Consulting
Top geo
Brazil
·
Maranhão
·
Paço do Lumiar
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
193.161.134.0/24
Risk Max
—
LOW
Footprint
1.172
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
193.161.134.0
Broadcast
193.161.134.255
Observed IPs / Subnet size
3
observed ·
256
total
Centroid
41.4 , 23.221999999999998
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-02 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
ULTRANET
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
185.253.156.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
185.253.156.0
Broadcast
185.253.156.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.5687 , 23.2897
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
ULTRANET
Top geo
Bulgaria
·
Blagoevgrad
·
Sandanski
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
80.72.74.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
80.72.74.0
Broadcast
80.72.74.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.4 , 23.221999999999998
Hits / Errors
3
hits ·
1
errors
First / Last seen
2026-02-25 02:00 · 2026-03-01 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Ultranet
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
192.141.106.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
192.141.106.0
Broadcast
192.141.106.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
-2.4802 , -44.1105
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS267535 ·
Ajust Consulting
Top organization / ISP
Ultranet Ltda
·
Ajust Consulting
Top geo
Brazil
·
Maranhão
·
Paço do Lumiar
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
193.161.135.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
193.161.135.0
Broadcast
193.161.135.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.4 , 23.222
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Ultranet
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.119.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
88.80.119.0
Broadcast
88.80.119.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.4 , 23.222
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd. C18
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.99.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
88.80.99.0
Broadcast
88.80.99.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.2875 , 22.6953
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd. C04
Top geo
Bulgaria
·
Kyustendil
·
Kyustendil
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.113.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
88.80.113.0
Broadcast
88.80.113.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.4 , 23.222
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
GoceNET Ltd. N02
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.151.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
213.149.151.0
Broadcast
213.149.151.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5692 , 23.7291
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-27 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Milenium Networks
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Gotse Delchev
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.138.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
213.149.138.0
Broadcast
213.149.138.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5692 , 23.7291
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Gotse Delchev
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.149.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
213.149.149.0
Broadcast
213.149.149.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5692 , 23.7291
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd.
Top geo
Bulgaria
·
Blagoevgrad
·
Gotse Delchev
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.100.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
88.80.100.0
Broadcast
88.80.100.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.2912 , 22.9881
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd. C05
Top geo
Bulgaria
·
Kyustendil
·
Sapareva Banya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
45.67.90.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
45.67.90.0
Broadcast
45.67.90.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5983 , 23.8207
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-26 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Garmen
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
80.72.71.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
80.72.71.0
Broadcast
80.72.71.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.7306 , 23.1536
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
ULTRANET
Top geo
Bulgaria
·
Blagoevgrad
·
Kresna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
185.247.59.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
185.247.59.0
Broadcast
185.247.59.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.2875 , 22.6953
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Ultranet
·
UltraNET Ltd
Top geo
Bulgaria
·
Kyustendil
·
Kyustendil
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
45.65.71.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
45.65.71.0
Broadcast
45.65.71.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Ultranet
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
77.77.29.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
77.77.29.0
Broadcast
77.77.29.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.2912 , 22.9881
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd. C47
Top geo
Bulgaria
·
Kyustendil
·
Sapareva Banya
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
80.78.227.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
80.78.227.0
Broadcast
80.78.227.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.2684 , 23.1157
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Kyustendil
·
Dupnitsa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
185.253.157.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
185.253.157.0
Broadcast
185.253.157.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5687 , 23.2897
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Ultranet
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Sandanski
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
5.183.229.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
5.183.229.0
Broadcast
5.183.229.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5687 , 23.2897
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
ULTRANET
Top geo
Bulgaria
·
Blagoevgrad
·
Sandanski
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.142.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
213.149.142.0
Broadcast
213.149.142.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.5692 , 23.7291
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd.
Top geo
Bulgaria
·
Blagoevgrad
·
Gotse Delchev
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.115.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
88.80.115.0
Broadcast
88.80.115.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.4 , 23.222
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.150.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
213.149.150.0
Broadcast
213.149.150.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.8913 , 23.4806
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
Milenium
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Razlog
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
213.149.153.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
213.149.153.0
Broadcast
213.149.153.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.8913 , 23.4806
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
UltraNET Ltd
·
UltraNET Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Razlog
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
88.80.117.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
88.80.117.0
Broadcast
88.80.117.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.4 , 23.222
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS39184 ·
UltraNET Ltd
Top organization / ISP
— ·
"Raggio Di Sole" Ltd
Top geo
Bulgaria
·
Blagoevgrad
·
Petrich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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