Autonomous system profile

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

AS19281

Announcement observedARIN

QUAD9-AS-1 - Quad9 · QUAD9-AS-1

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

Last active10/5/2026, 14:18:02Snapshot expired

View network topology RDAP registration

ASN: AS19281
Registration country: United States
Name: QUAD9-AS-1 - Quad9
Abbreviation: QUAD9-AS-1
Registration date: 9/13/2017, 17:46:55
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
147.72.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
149.112.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
149.112.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
199.249.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
9.9.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: QUAD9-AS-1 - Quad9
RIR: ARIN
Registration country: United States
Registration date: 9/13/2017, 17:46:55
Abuse contact: abuse@quad9.net

Snapshot trend

10/5/2026, 14:18:025 v41 v612 Upstream · 3 Uncertain

9/30/2026, 23:22:345 v41 v612 Upstream · 3 Uncertain

9/30/2026, 23:22:325 v41 v612 Upstream · 3 Uncertain

9/30/2026, 23:09:310 v40 v60 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