Santander
Cluster stats
| Netblocks | 23 |
| All fragments | 217 blocks across 16 clusters |
| Cluster ID | 191581815 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 51.163.16.40/30 | SANTANDER | RIPE | LEGACY | ● low |
| 51.163.16.44/30 | SANTANDER | RIPE | LEGACY | ● low |
| 62.77.212.252/30 | Santander | RIPE | ASSIGNED PA | ● low |
| 82.177.34.64/29 | SANTANDER-NET | RIPE | ASSIGNED PA | ● low |
| 193.126.117.184/30 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 194.224.35.240/29 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 194.224.51.88/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 194.224.102.192/29 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 195.23.168.120/30 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 195.57.9.48/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 195.77.255.48/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 195.235.22.144/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 195.235.23.72/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 209.251.253.0/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 212.123.0.176/29 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 213.0.30.88/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 213.0.72.192/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 213.0.75.72/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 213.0.75.240/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 213.0.106.136/29 | Santander | RIPE | ASSIGNED PA | ● low |
| 217.37.121.96/29 | SANTANDER | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:f9cd::/48 | SANTANDER | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a02:206b:8010::/64 | SANTANDER | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.0%
of checked blocks have valid RPKI ROA coverage
(20 of 23)
Possible discrepancies (1)
These blocks are registered to Santander but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:f9cd::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AS12301-MNT
AS8681-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
EQUINIX-FULFIL-MNT
EQUINIX-MNT
IP-MNT
JE-TEL-MNT
MAINT-AS3352
MNT-EXATEL
TELENET-OPS-MNT
+1 more