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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: Cantabria · Clear
Snapshot 2026-03-08 Results 27 Page 1 / 1

83.165.115.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
83.165.115.0
Broadcast
83.165.115.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
43.35475 , -2.7142999999999997
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-03-01 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
R Cable y Telecomunicaciones Galicia S.A. · Grupo Gallego de Cable
Top geo
Spain · Cantabria · Colindres
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.10.146.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
88.10.146.0
Broadcast
88.10.146.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

77.228.23.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
77.228.23.0
Broadcast
77.228.23.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4623 , -3.8384
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS12430 · VODAFONE ESPANA S.A.U.
Top organization / ISP
— · IPCOM
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

212.166.220.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
212.166.220.0
Broadcast
212.166.220.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3965 , -3.58916
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS12430 · VODAFONE ESPANA S.A.U.
Top organization / ISP
— · VODAFONE-NETWORK
Top geo
Spain · Cantabria · Hazas de Cesto
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.9.118.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
88.9.118.0
Broadcast
88.9.118.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434000000000004
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

91.126.186.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
91.126.186.0
Broadcast
91.126.186.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3082 , -4.23571
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS35699 · Adamo Telecom Iberia S.A.
Top organization / ISP
Adamo Telecom Iberia S.A.U · Adamo Telecom Iberia S.A.
Top geo
Spain · Cantabria · Cabezón de la Sal
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.15.50.0/24

Risk Max — LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
88.15.50.0
Broadcast
88.15.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.37980000000001 , -3.2101
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Castro Urdiales
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

147.136.252.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
147.136.252.0
Broadcast
147.136.252.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS35699 · Adamo Telecom Iberia S.A.
Top organization / ISP
Adamo Telecom Iberia S.A · Adamo Telecom Iberia S.A.U
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

87.217.72.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.217.72.0
Broadcast
87.217.72.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0033 , -4.1492
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
Jazztel triple play services · Orange Spain
Top geo
Spain · Cantabria · Nestares
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.10.168.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
88.10.168.0
Broadcast
88.10.168.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

79.117.214.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
79.117.214.0
Broadcast
79.117.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4691 , -3.8201
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS57269 · DIGI SPAIN TELECOM S.A
Top organization / ISP
Digi Spain Telecom S.L · Digi Spain Telecom S.L.U.
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.10.66.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
88.10.66.0
Broadcast
88.10.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
2 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

135.129.234.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
135.129.234.0
Broadcast
135.129.234.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4289 , -4.0043
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS35699 · Adamo Telecom Iberia S.A.
Top organization / ISP
Adamo Telecom Iberia S.A · Adamo Telecom Iberia S.A.
Top geo
Spain · Cantabria · Miengo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

87.220.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
87.220.204.0
Broadcast
87.220.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
Jazztel triple play services · Orange Spain
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

62.57.140.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.57.140.0
Broadcast
62.57.140.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS6739 · VODAFONE ONO, S.A.
Top organization / ISP
Cable i Televisio de Catalunya, Internet de Banda Ampla, Servei de Dades Residencials · Ono
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

91.126.161.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
91.126.161.0
Broadcast
91.126.161.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3851 , -4.39934
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS35699 · Adamo Telecom Iberia S.A.
Top organization / ISP
Adamo Telecom Iberia S.A.U · Adamo Telecom Iberia S.A.
Top geo
Spain · Cantabria · San Vicente de la Barquera
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

176.56.96.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
176.56.96.0
Broadcast
176.56.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4611 , -3.8021
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS29119 · AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL
Top organization / ISP
— · Aire Networks
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

185.152.62.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
185.152.62.0
Broadcast
185.152.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4207 , -3.8407
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS29119 · AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL
Top organization / ISP
RUIZ & COSTA INVERSIONES SL · Aire Networks Del Mediterraneo SL Unipersonal
Top geo
Spain · Cantabria · Camargo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

95.21.2.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
95.21.2.0
Broadcast
95.21.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4611 , -3.8021
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
Jazztel Triple Play Services · Orange Spain
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.11.80.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.11.80.0
Broadcast
37.11.80.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4558 , -3.8434
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
Jazztel triple play services · Orange Spain
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

77.224.98.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.224.98.0
Broadcast
77.224.98.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3503 , -4.0456
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS12430 · VODAFONE ESPANA S.A.U.
Top organization / ISP
Comunitel Global S.A. · IPCOM
Top geo
Spain · Cantabria · Torrelavega
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

135.129.237.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
135.129.237.0
Broadcast
135.129.237.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4289 , -4.0043
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS35699 · Adamo Telecom Iberia S.A.
Top organization / ISP
Adamo Telecom Iberia S.A · Adamo Telecom Iberia S.A.
Top geo
Spain · Cantabria · Miengo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

212.166.221.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
212.166.221.0
Broadcast
212.166.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4659 , -3.80493
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12430 · VODAFONE ESPANA S.A.U.
Top organization / ISP
— · VODAFONE-NETWORK
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

77.209.0.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.209.0.0
Broadcast
77.209.0.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.4659 , -3.80493
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12430 · VODAFONE ESPANA S.A.U.
Top organization / ISP
— · VODAFONE-NETWORK
Top geo
Spain · Cantabria · Santander
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.11.204.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
88.11.204.0
Broadcast
88.11.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.9958 , -4.1364
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Reinosa
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

88.11.47.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
88.11.47.0
Broadcast
88.11.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3503 , -4.0456
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS3352 · TELEFONICA DE ESPANA S.A.U.
Top organization / ISP
RIMA (Red IP Multi Acceso) · Telefonica de Espana SAU
Top geo
Spain · Cantabria · Torrelavega
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

90.166.58.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
90.166.58.0
Broadcast
90.166.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3851 , -4.39934
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS12479 · Orange Espagne SA
Top organization / ISP
OrangeCoporateABI · Orange Espagne SA
Top geo
Spain · Cantabria · San Vicente de la Barquera
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →