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AS397620 City of Menlo Park | IPGeolocation.io

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

City of Menlo Park menlopark.gov

US 1 Routes

AS Data

AS397620

AS397620 – City of Menlo Park

AS Number	397620
AS Name	CITYMENLOPARK
Organization	City of Menlo Park(cmp-145)
Country	US
Website	menlopark.gov
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2019-06-06

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
149.20.89.0/24	AS397620	City of Menlo Park	City of Menlo Park	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:       397620
ASName:         CITYMENLOPARK
ASHandle:       AS397620
RegDate:        2019-06-06
Updated:        2019-06-06    
Ref:            https://rdap.arin.net/registry/autnum/397620


OrgName:        City of Menlo Park
OrgId:          CMP-145
Address:        701 Laurel St.
City:           Menlo Park
StateProv:      CA
PostalCode:     94025
Country:        US
RegDate:        2018-09-20
Updated:        2026-02-09
Ref:            https://rdap.arin.net/registry/entity/CMP-145


OrgTechHandle: SUPPO2116-ARIN
OrgTechName:   Support
OrgTechPhone:  +1-650-330-6645 
OrgTechEmail:  jesotto@menlopark.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SUPPO2116-ARIN

OrgNOCHandle: SUPPO2116-ARIN
OrgNOCName:   Support
OrgNOCPhone:  +1-650-330-6645 
OrgNOCEmail:  jesotto@menlopark.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/SUPPO2116-ARIN

OrgAbuseHandle: SUPPO2116-ARIN
OrgAbuseName:   Support
OrgAbusePhone:  +1-650-330-6645 
OrgAbuseEmail:  jesotto@menlopark.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SUPPO2116-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
AS33667	Comcast Cable Communications, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33667	Comcast Cable Communications, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS397620?

ASN AS397620 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397620?

AS397620 is listed under City of Menlo Park.

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.