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AS398405 Montrose Memorial Hospital

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Montrose Memorial Hospital montrosehospital.com

US 1 Routes

AS Data

AS398405

AS398405 – Montrose Memorial Hospital

AS Number	398405
AS Name	MMH-BGP-01
Organization	Montrose Memorial Hospital (mmh-67)
Country	US
Website	montrosehospital.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-05-19

ASN Intelligence API for production workflows

Use ASN data for AS398405 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.10.73.0/24	AS398405	Montrose Memorial Hospital	Montrose Memorial Hospital	256

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:       398405
ASName:         MMH-BGP-01
ASHandle:       AS398405
RegDate:        2020-05-19
Updated:        2020-05-19
Ref:            https://rdap.arin.net/registry/autnum/398405


OrgName:        Montrose Memorial Hospital
OrgId:          MMH-67
Address:        800 South 3rd Street
City:           Montrose
StateProv:      CO
PostalCode:     81401
Country:        US
RegDate:        2015-02-12
Updated:        2015-02-12
Ref:            https://rdap.arin.net/registry/entity/MMH-67


OrgTechHandle: INFOR134-ARIN
OrgTechName:   Information Services
OrgTechPhone:  +1-970-252-2639 
OrgTechEmail:  hit@montrosehospital.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INFOR134-ARIN

OrgNOCHandle: INFOR134-ARIN
OrgNOCName:   Information Services
OrgNOCPhone:  +1-970-252-2639 
OrgNOCEmail:  hit@montrosehospital.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/INFOR134-ARIN

OrgAbuseHandle: INFOR134-ARIN
OrgAbuseName:   Information Services
OrgAbusePhone:  +1-970-252-2639 
OrgAbuseEmail:  hit@montrosehospital.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOR134-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" : "398405",
    "as_handle" : "AS398405",
    "as_name" : "MMH-BGP-01",
    "tech_contacts" : [ "INFOR134-ARIN" ],
    "abuse_contacts" : [ "INFOR134-ARIN" ],
    "date_created" : "2020-05-19",
    "date_updated" : "2020-05-19",
    "source" : "https://rdap.arin.net/registry/autnum/398405"
  } ],
  "organization" : {
    "handle" : "MMH-67",
    "name" : "Montrose Memorial Hospital",
    "address" : [ "800 South 3rd Street", "Montrose", "CO", "81401", "US" ],
    "street" : "South 3rd Street",
    "city" : "Montrose",
    "state" : "CO",
    "zip_code" : "81401",
    "country" : [ "US" ],
    "date_created" : "2015-02-12",
    "date_updated" : "2015-02-12",
    "source" : "https://rdap.arin.net/registry/entity/MMH-67",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "INFOR134-ARIN",
    "name" : "Information Services",
    "email" : [ "hit@montrosehospital.com" ],
    "phone" : [ "+1-970-252-2639" ],
    "source" : "https://rdap.arin.net/registry/entity/INFOR134-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "INFOR134-ARIN",
    "name" : "Information Services",
    "email" : [ "hit@montrosehospital.com" ],
    "phone" : [ "+1-970-252-2639" ],
    "source" : "https://rdap.arin.net/registry/entity/INFOR134-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS395555	ELEVATE	US

Upstreams

AS Number	Description	Country
AS395555	ELEVATE	US

Frequently Asked Questions

What is ASN AS398405?

ASN AS398405 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398405?

AS398405 is listed under Montrose Memorial Hospital.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.