ASN AS21938 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21938?

AS21938 is listed under YAMAHA MOTOR CORPORATION, U.S.A.

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.

AS21938 YAMAHA MOTOR CORPORATION, U.S.A

ASN Lookup Tool

YAMAHA MOTOR CORPORATION, U.S.A yamaha-motor.com

US 3 Routes

AS Data

AS21938

AS21938 – YAMAHA MOTOR CORPORATION, U.S.A

AS Number	21938
AS Name	YAMAHA-DEALERS
Organization	YAMAHA MOTOR CORPORATION, U.S.A(ymcu)
Country	US
Website	yamaha-motor.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-07-16

ASN Intelligence API for production workflows

Use ASN data for AS21938 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
167.174.240.0/24	AS21938	YAMAHA MOTOR CORPORATION, U.S.A	YAMAHA MOTOR CORPORATION, U.S.A	256
167.174.210.0/24	AS21938	YAMAHA MOTOR CORPORATION, U.S.A	YAMAHA MOTOR CORPORATION, U.S.A	256
167.174.246.0/24	AS21938	YAMAHA MOTOR CORPORATION, U.S.A	YAMAHA MOTOR CORPORATION, U.S.A	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:       21938
ASName:         YAMAHA-DEALERS
ASHandle:       AS21938
RegDate:        2001-07-16
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/21938


OrgName:        YAMAHA MOTOR CORPORATION, U.S.A
OrgId:          YMCU
Address:        6555 Katella Ave
City:           Cypress
StateProv:      CA
PostalCode:     90630-7844
Country:        US
RegDate:        2001-07-16
Updated:        2020-02-11
Ref:            https://rdap.arin.net/registry/entity/YMCU


OrgTechHandle: CROWD11-ARIN
OrgTechName:   Crowder, Brad 
OrgTechPhone:  +1-714-761-7557 
OrgTechEmail:  brad_crowder@yamaha-motor.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CROWD11-ARIN

OrgAbuseHandle: CROWD11-ARIN
OrgAbuseName:   Crowder, Brad 
OrgAbusePhone:  +1-714-761-7557 
OrgAbuseEmail:  brad_crowder@yamaha-motor.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CROWD11-ARIN

OrgTechHandle: JFP32-ARIN
OrgTechName:   Padilla, Jeffrey F
OrgTechPhone:  +1-770-420-5775 
OrgTechEmail:  jeffrey_padilla@yamaha-motor.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JFP32-ARIN

OrgNOCHandle: CROWD11-ARIN
OrgNOCName:   Crowder, Brad 
OrgNOCPhone:  +1-714-761-7557 
OrgNOCEmail:  brad_crowder@yamaha-motor.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CROWD11-ARIN

RTechHandle: EZ74-ARIN
RTechName:   Kauffman, Edward 
RTechPhone:  +1-714-761-7844 
RTechEmail:  Edward_Kauffman@yamaha-motor.com
RTechRef:    https://rdap.arin.net/registry/entity/EZ74-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

Peers

AS Number	Description	Country
AS20001	Charter Communications Inc	US
AS7725	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS20001	Charter Communications Inc	US
AS7725	Comcast Cable Communications, LLC	US