Autonomous system profile

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

AS10370

Announcement observedARIN

Northwest Airlines · NORTHWEST-AIRLINES

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

Last active9/30/2026, 02:17:27Snapshot expired

View network topology RDAP registration

ASN: AS10370
Registration country: United States
Name: Northwest Airlines
Abbreviation: NORTHWEST-AIRLINES
Registration date: 7/14/1997, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
139.72.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record
139.72.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record
139.72.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record
139.72.57.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record
147.118.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: Northwest Airlines
RIR: ARIN
Registration country: United States
Registration date: 7/14/1997, 04:00:00
Abuse contact: hostmaster@delta.com

Snapshot trend

9/30/2026, 02:17:275 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