Autonomous system
AS10834 Telefonica de Argentina
Unclassified LACNIC
Summary
Telefónica de Argentina
isp legacy
AS10834 is registered to Telefónica de Argentina, the incumbent fixed-line operator for the southern half of the country and one of the two companies carved out of the state monopoly ENTel at privatisation.
What it's used for
Internet service on Telefónica's Argentine fixed network. RIS sees 85 announced IPv4 prefixes carrying about 373,504 addresses, plus one IPv6 /32 (2800:381::/32), against 24 observed BGP neighbours. That is a large address footprint with a modest peer count: an operator serving its own customers, not a wholesale transit business, which at this size would show peers in the hundreds.
Almost all of the sampled reverse DNS falls under advance.com.ar — Advance was Telefónica de Argentina's internet-access brand, the country's first ISP to pass 100,000 dial-up subscribers. The host<n>.advance.com.ar pattern is the network's default PTR template rather than a per-service one, so it identifies the operator but says little about any individual block's use. Where customers have overridden it, the names are institutional and corporate (a national university, satellite and business-services providers) rather than consumer, which points at statically-assigned customer space more than a dial-up or DSL pool.
Notable
The space is a museum of the early Latin American internet: several 200.x /16s and /17s from the era when LACNIC allocations were still handed out generously, plus 209.13.0.0/16. One sampled PTR still carries an infovia.com.ar PPP hostname, a survivor of the 1990s Argentine national dial-up access platform.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 36 downstream and 39 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS22927 | Telefonica de Argentina | 5,401 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 193 prefixes · 369K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| AR | Argentina | 194 |
Registry
Allocation record
- Registry
- LACNIC
- Handle
AS10834- Registry name
- 10834
- Registrant
- Telefonica de Argentina
- Abuse contact
- tasamail.ar@tmoviles.com.ar
- Registered
- 1997-12-08
- Last changed
- 2023-06-14
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- Telefonica Empresas
- Scope
- Not Disclosed
- Traffic ratio
- Not Disclosed
- Peering policy
- Open
- IRR as-set
AS10834:AS-TEFARGDATA- Website
- https://www.movistar.com.ar/
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 85% valid · 78 valid, 14 with no ROA
- ROAs
- 14 authorising AS10834
- ASPA
- no ASPA record
- IRR
- 85% registered · 78 of 92 announcements
- Route objects
- 14 naming AS10834
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,784 prefixes, as published 2026-10-19. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere