ASN AS7973 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS7973?

AS7973 is listed under Mayo Foundation for Medical Education and Research.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS7973 Mayo Foundation for Medical Education and Research

ASN Lookup Tool

Mayo Foundation for Medical Education and Research mayo.edu

US 10 Routes

AS Data

AS7973

AS7973 – Mayo Foundation for Medical Education and Research

AS Number	7973
AS Name	MAYO
Organization	Mayo Foundation for Medical Education and Research (mayofo-z)
Country	US
Website	mayo.edu
Number of IPv4 Routes	10
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1997-03-10

ASN Intelligence API for production workflows

Use ASN data for AS7973 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
129.176.96.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.0.0/16	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	65536
129.176.128.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.32.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.0.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.64.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.192.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.160.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.224.0/19	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	8192
129.176.136.0/21	AS7973	Mayo Foundation for Medical Education and Research	Mayo Foundation for Medical Education and Research	2048

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       7973
ASName:         MAYO
ASHandle:       AS7973
RegDate:        1997-03-10
Updated:        2023-11-21
Ref:            https://rdap.arin.net/registry/autnum/7973


OrgName:        Mayo Foundation for Medical Education and Research
OrgId:          MAYOFO-Z
Address:        200 First Street Southwest
City:           Rochester
StateProv:      MN
PostalCode:     55905
Country:        US
RegDate:        2023-11-15
Updated:        2023-11-15
Ref:            https://rdap.arin.net/registry/entity/MAYOFO-Z


OrgNOCHandle: NOC3062-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-507-266-2139 
OrgNOCEmail:  noc@mayo.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC3062-ARIN

OrgTechHandle: NOC3062-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-507-266-2139 
OrgTechEmail:  noc@mayo.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC3062-ARIN

OrgAbuseHandle: TARC-ARIN
OrgAbuseName:   TARC
OrgAbusePhone:  +1-507-284-1212 
OrgAbuseEmail:  csoc@mayo.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TARC-ARIN

RTechHandle: DAVID444-ARIN
RTechName:   David Rahman
RTechPhone:  +1-507-284-2092 
RTechEmail:  drahman@mayo.edu
RTechRef:    https://rdap.arin.net/registry/entity/DAVID444-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "7973",
    "as_handle" : "AS7973",
    "as_name" : "MAYO",
    "tech_contacts" : [ "NOC3062-ARIN", "DAVID444-ARIN" ],
    "abuse_contacts" : [ "TARC-ARIN" ],
    "date_created" : "1997-03-10",
    "date_updated" : "2023-11-21",
    "source" : "https://rdap.arin.net/registry/autnum/7973"
  } ],
  "organization" : {
    "handle" : "MAYOFO-Z",
    "name" : "Mayo Foundation for Medical Education and Research",
    "address" : [ "200 First Street Southwest", "Rochester", "MN", "55905", "US" ],
    "street" : "First Street Southwest",
    "city" : "Rochester",
    "state" : "MN",
    "zip_code" : "55905",
    "country" : [ "US" ],
    "date_created" : "2023-11-15",
    "date_updated" : "2023-11-15",
    "source" : "https://rdap.arin.net/registry/entity/MAYOFO-Z",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NOC3062-ARIN",
    "name" : "Network Operations Center",
    "email" : [ "noc@mayo.edu" ],
    "phone" : [ "+1-507-266-2139" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC3062-ARIN"
  }, {
    "handle" : "DAVID444-ARIN",
    "name" : "David Rahman",
    "email" : [ "drahman@mayo.edu" ],
    "phone" : [ "+1-507-284-2092" ],
    "source" : "https://rdap.arin.net/registry/entity/DAVID444-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TARC-ARIN",
    "name" : "TARC",
    "email" : [ "csoc@mayo.edu" ],
    "phone" : [ "+1-507-284-1212" ],
    "source" : "https://rdap.arin.net/registry/entity/TARC-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS40264	Charter Communications LLC	US
AS57	University of Minnesota	US
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS57	University of Minnesota	US
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS32787	Akamai Technologies, Inc.	US