Autonomous system profile

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

AS7973

Announcement observedARIN

MAYO - Mayo Foundation for Medical Education and Research · MAYO

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

Last active10/23/2026, 13:01:16Snapshot expired

View network topology RDAP registration

ASN: AS7973
Registration country: United States
Name: MAYO - Mayo Foundation for Medical Education and Research
Abbreviation: MAYO
Registration date: 3/10/1997, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
129.176.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.136.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.136.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.140.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.216.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.216.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.218.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid
129.176.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/23/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MAYO - Mayo Foundation for Medical Education and Research
RIR: ARIN
Registration country: United States
Registration date: 3/10/1997, 05:00:00
Abuse contact: csoc@mayo.edu

Snapshot trend

10/23/2026, 13:01:1615 v40 v65 Upstream · 0 Uncertain

9/29/2026, 20:40:2115 v40 v65 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