Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS27953

Announcement observedLACNIC

AS27953 - NODOSUD S.A · AS27953

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/16/2026, 15:10:58Snapshot expired

View network topology RDAP registration

ASN: AS27953
Registration country: Argentina
Name: AS27953 - NODOSUD S.A
Abbreviation: AS27953
Registration date: 1/21/2008, 12:00:00
Status: Announcement observed
RIR: LACNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
181.118.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.176.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.179.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.180.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.182.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.183.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.185.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.186.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.187.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.188.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.189.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.190.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
181.118.191.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.128.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.130.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.131.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.0.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.160.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.161.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.162.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.163.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.164.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.168.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.169.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.170.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.173.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.174.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.190.175.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.66.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.67.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.68.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
186.64.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/16/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: AS27953 - NODOSUD S.A
RIR: LACNIC
Registration country: Argentina
Registration date: 1/21/2008, 12:00:00
Abuse contact: jlsilvera@nodosud.com.ar

Snapshot trend

10/16/2026, 15:10:58137 v411 v63 Upstream · 0 Uncertain

10/13/2026, 10:32:18137 v411 v63 Upstream · 0 Uncertain

10/11/2026, 06:34:23137 v411 v63 Upstream · 0 Uncertain

10/10/2026, 05:20:12137 v411 v63 Upstream · 0 Uncertain

10/2/2026, 00:33:12137 v411 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing