Autonomous system profile

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

AS7991

Announcement unconfirmedARIN

CenturyLink Communications, LLC · CENTURYLINK-LEGACY-SAVVIS-ASIA-TRANSIT

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

Last active10/25/2026, 13:51:32Snapshot expired

View network topology RDAP registration

ASN: AS7991
Registration country: United States
Name: CenturyLink Communications, LLC
Abbreviation: CENTURYLINK-LEGACY-SAVVIS-ASIA-TRANSIT
Registration date: 3/14/1997, 05:00:00
Status: Announcement unconfirmed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	ASN registration country	Observation window start	Latest observation	IPv4	IPv6	Status

This data source is temporarily unavailable. Please retry shortly.

Relationships are observed AS_PATH adjacencies. Coverage is partial; direction does not establish a commercial relationship.

Registration and sources

Organization: CenturyLink Communications, LLC
RIR: ARIN
Registration country: United States
Registration date: 3/14/1997, 05:00:00
Abuse contact: abuse@aup.lumen.com

Snapshot trend

10/25/2026, 13:51:320 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: iana-rdap-asn-bootstrap · rir-rdap-asn