Autonomous system profile

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

AS33071

Announcement observedARIN

Internet Systems Consortium, Inc. · ISC-F-AS

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

Last active10/2/2026, 14:06:28Snapshot expired

View network topology RDAP registration

ASN: AS33071
Registration country: United States
Name: Internet Systems Consortium, Inc.
Abbreviation: ISC-F-AS
Registration date: 9/28/2004, 11:37:10
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
199.6.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: Internet Systems Consortium, Inc.
RIR: ARIN
Registration country: United States
Registration date: 9/28/2004, 11:37:10
Abuse contact: abuse@isc.org

Snapshot trend

10/2/2026, 14:06:281 v41 v63 Upstream · 6 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