Autonomous system profile

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

AS36019

Announcement observedARIN

4SIWI-NET - 4 SIWI, LLC · 4SIWI-NET

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

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS36019
Registration country: United States
Name: 4SIWI-NET - 4 SIWI, LLC
Abbreviation: 4SIWI-NET
Registration date: 4/15/2014, 22:07:03
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
104.37.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/2/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: 4SIWI-NET - 4 SIWI, LLC
RIR: ARIN
Registration country: United States
Registration date: 4/15/2014, 22:07:03
Abuse contact: isaac@4siwi.com

Snapshot trend

10/2/2026, 22:02:351 v40 v61 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 · rir-rdap-asn · iana-rdap-asn-bootstrap · cha-la-bgp-observations