Autonomous system profile

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

AS39974

Announcement observedARIN

Altitude ISP LLC · ALTITUDE-ISP

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: AS39974
Registration country: United States
Name: Altitude ISP LLC
Abbreviation: ALTITUDE-ISP
Registration date: 12/30/2022, 16:04:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
66.118.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Historical record
66.118.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Historical record
66.187.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: Altitude ISP LLC
RIR: ARIN
Registration country: United States
Registration date: 12/30/2022, 16:04:00
Abuse contact: nathan.stone@altitudeisp.com

Snapshot trend

10/3/2026, 07:56:383 v40 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 · iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations