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AS400484 Natividad Medical Center

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

Natividad Medical Center natividad.com

US 1 Routes

AS Data

AS400484

AS400484 – Natividad Medical Center

AS Number	400484
AS Name	NMC-1441
Organization	Natividad Medical Center(cmmc-9)
Country	US
Website	natividad.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-02-22

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.177.137.0/24	AS400484	Natividad Medical Center	AT&T Enterprises, LLC	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:       400484
ASName:         NMC-1441
ASHandle:       AS400484
RegDate:        2022-02-22
Updated:        2022-02-22
Comment:        https://www.natividad.com    
Ref:            https://rdap.arin.net/registry/autnum/400484


OrgName:        Natividad Medical Center
OrgId:          CMMC-9
Address:        1441 Constitution Blvd
City:           Salinas
StateProv:      CA
PostalCode:     93912
Country:        US
RegDate:        2021-11-17
Updated:        2021-11-17
Ref:            https://rdap.arin.net/registry/entity/CMMC-9


OrgAbuseHandle: ADMIN7725-ARIN
OrgAbuseName:   Administrator
OrgAbusePhone:  +1-831-783-2762 
OrgAbuseEmail:  laurentkw@natividad.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN7725-ARIN

OrgTechHandle: ADMIN7725-ARIN
OrgTechName:   Administrator
OrgTechPhone:  +1-831-783-2762 
OrgTechEmail:  laurentkw@natividad.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN7725-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
AS7018	AT&T Enterprises, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS400484?

ASN AS400484 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400484?

AS400484 is listed under Natividad Medical Center.

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.