What is ASN AS397749?

ASN AS397749 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397749?

AS397749 is listed under McLaren Macomb.

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?

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AS397749 McLaren Macomb | IPGeolocation.io

ASN Lookup Tool

McLaren Macomb mclaren.org

US 10 Routes

AS Data

AS397749

AS397749 – McLaren Macomb

AS Number	397749
AS Name	MCLAREN-HEALTHCARE
Organization	McLaren Macomb (mcgh-1)
Country	US
Website	mclaren.org
Number of IPv4 Routes	10
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-07-18

ASN Intelligence API for production workflows

Use ASN data for AS397749 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.2.12.0/23	AS397749	McLaren Macomb	McLaren Macomb	512
198.2.10.0/24	AS397749	McLaren Macomb	McLaren Macomb	256
198.2.12.0/24	AS397749	McLaren Macomb	McLaren Macomb	256
198.2.4.0/22	AS397749	McLaren Macomb	McLaren Macomb	1024
198.2.14.0/23	AS397749	McLaren Macomb	McLaren Macomb	512
198.2.11.0/24	AS397749	McLaren Macomb	McLaren Macomb	256
198.2.13.0/24	AS397749	McLaren Macomb	McLaren Macomb	256
198.2.8.0/24	AS397749	McLaren Macomb	McLaren Macomb	256
198.2.10.0/23	AS397749	McLaren Macomb	McLaren Macomb	512
96.36.61.0/24	AS397749	McLaren Macomb	McLaren Macomb	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:       397749
ASName:         MCLAREN-HEALTHCARE
ASHandle:       AS397749
RegDate:        2019-07-18
Updated:        2019-07-18
Comment:        www.mclaren.org
Ref:            https://rdap.arin.net/registry/autnum/397749


OrgName:        McLaren Macomb
OrgId:          MCGH-1
Address:        One McLaren Parkway
City:           Grand Blanc
StateProv:      MI
PostalCode:     48439
Country:        US
RegDate:        1992-11-20
Updated:        2021-06-07
Comment:        http://www.mclaren.org
Ref:            https://rdap.arin.net/registry/entity/MCGH-1


OrgNOCHandle: NETWO9480-ARIN
OrgNOCName:   Network Admin
OrgNOCPhone:  +1-828-742-6355 
OrgNOCEmail:  vishal.sinha@mclaren.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9480-ARIN

OrgAbuseHandle: NETWO9480-ARIN
OrgAbuseName:   Network Admin
OrgAbusePhone:  +1-828-742-6355 
OrgAbuseEmail:  vishal.sinha@mclaren.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9480-ARIN

OrgTechHandle: NETWO9480-ARIN
OrgTechName:   Network Admin
OrgTechPhone:  +1-828-742-6355 
OrgTechEmail:  vishal.sinha@mclaren.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9480-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" : "397749",
    "as_handle" : "AS397749",
    "as_name" : "MCLAREN-HEALTHCARE",
    "tech_contacts" : [ "NETWO9480-ARIN" ],
    "abuse_contacts" : [ "NETWO9480-ARIN" ],
    "date_created" : "2019-07-18",
    "date_updated" : "2019-07-18",
    "source" : "https://rdap.arin.net/registry/autnum/397749"
  } ],
  "organization" : {
    "handle" : "MCGH-1",
    "name" : "McLaren Macomb",
    "address" : [ "One McLaren Parkway", "Grand Blanc", "MI", "48439", "US" ],
    "street" : "One Mclaren Parkway",
    "city" : "Grand Blanc",
    "state" : "MI",
    "zip_code" : "48439",
    "country" : [ "US" ],
    "date_created" : "1992-11-20",
    "date_updated" : "2021-06-07",
    "source" : "https://rdap.arin.net/registry/entity/MCGH-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO9480-ARIN",
    "name" : "Network Admin",
    "email" : [ "vishal.sinha@mclaren.org" ],
    "phone" : [ "+1-828-742-6355" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO9480-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO9480-ARIN",
    "name" : "Network Admin",
    "email" : [ "vishal.sinha@mclaren.org" ],
    "phone" : [ "+1-828-742-6355" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO9480-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS26554	US Signal Company, L.L.C.	US
AS22974	Charter Communications LLC	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS26554	US Signal Company, L.L.C.	US