Autonomous system profile

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

AS20289

Announcement observedARIN

ISG Technology · AS-ISGNOC

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

Last active10/1/2026, 05:02:34Snapshot expired

View network topology RDAP registration

ASN: AS20289
Registration country: United States
Name: ISG Technology
Abbreviation: AS-ISGNOC
Registration date: 12/27/2007, 18:59:07
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
205.173.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.98.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
205.173.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: ISG Technology
RIR: ARIN
Registration country: United States
Registration date: 12/27/2007, 18:59:07
Abuse contact: dcsupport@isgtech.com

Snapshot trend

10/1/2026, 05:02:348 v40 v62 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 · iana-rdap-asn-bootstrap · rir-rdap-asn