AS20305 — Banco Rio de la Plata S.A.

AS20305 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

AS20305 is operated by Banco Santander Argentina, formerly known as Banco Río de la Plata.

What it's used for

• The address space carries corporate infrastructure for a major Argentine financial institution, with reverse DNS entries pointing to advance.com.ar hosts.
• The AS announces 768 IPv4 addresses across 3 prefixes and maintains 2 observed neighbours, a ratio consistent with a small internal corporate estate rather than a transit or access network.

Notable

• Registrants for the announced prefixes include Banco Rio, TELMEX ARGENTINA S.A., and Telefonica de Argentina, indicating that the bank holds space originally allocated to or associated with telecommunications providers.
• Banco Río de la Plata was renamed Banco Santander Río and subsequently Banco Santander Argentina following its integration into the Santander Group.
• The inventory consists of three /24 blocks, all located in Argentina, with no IPv6 prefixes announced.

CLASSIFICATION - after the card, on its own final line, emit exactly:

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 200.0.252.0/24
• 200.61.38.0/24
• 200.70.26.0/24

Upstream networks

• AS11664 Techtel LMDS Comunicaciones Interactivas S.A.
• AS10834 Telefonica de Argentina

Adjacent networks

• AS11664 Techtel LMDS Comunicaciones Interactivas S.A.
• AS10834 Telefonica de Argentina

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 3 route objects.
• Listed in as-sets: AS-18747, AS-CLARO-AUP-CUSTOMERS, AS-EMBRATELNET, AS-PNAPMIA, AS-UDOS, AS10834:AS-TEFARGDATA, AS198949:AS-SD.