asn.dev

Autonomous system

AS52409 COSEIDI S.A.

Residential LACNIC

IPv4 addresses 4.10K 1 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly AR
Exchanges 0 recorded by PCH
Upstreams 3 8 downstream
Flagged prefixes 0 none

Summary

COSEIDI S.A.

Argentina · AI-generated

isp residential cable argentina

The AS handle COSEIDI S.A. is held by COSEIDI S.A.

What it's used for

  • The space carries residential and business internet access, identified by the netname 190.120.176.0 - 190.120.191.255 and registrant COSEIDI S.A.
  • The network announces 4096 IPv4 addresses and 1 IPv6 prefix, with 13 observed neighbours, indicating a regional access provider role
  • Traffic consists of subscriber eyeballs for cable and DSL services in Argentina, specifically in the San Juan Bautista region

Notable

  • The registrant COSEIDI S.A. matches the AS holder, confirming consistent ownership
  • The address inventory consists of a single contiguous /20 block and one /32 IPv6 prefix, representing a compact regional footprint

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

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

3 upstream, 8 downstream and 15 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS7195EDGEUNO S.A.S49
AS6939Hurricane Electric LLC29
AS263194Advantun SRL14

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 1 prefixes · 4.10K addresses IPv6 1 prefixes

CountryNamePrefixes
ARArgentina2

Registry

Allocation record

LACNIC · via Atlas (registry + RDAP)
Registry
LACNIC
Handle
AS52409
Registry name
52409
Registrant
COSEIDI S.A.
Abuse contact
estebantocalini@fiber.net.ar
Registered
2012-10-11
Last changed
2012-10-12
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 2 valid, 0 with no ROA
ROAs
2 authorising AS52409
ASPA
no ASPA record
IRR
100% registered · 2 of 2 announcements
Route objects
6 naming AS52409

Reputation

Classification and threat

Residential Fixed-line consumer ISP. Addresses here are homes.

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: 436 networks and 1,771 prefixes, as published 2026-10-13. 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

Cross-check