ASN AS20313 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20313?

AS20313 is listed under Smith Micro Software, Inc..

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.

AS20313 Smith Micro Software, Inc.

ASN Lookup Tool

Smith Micro Software, Inc. smithmicro.com

US 4 Routes

AS Data

AS20313

AS20313 – Smith Micro Software, Inc.

AS Number	20313
AS Name	SMSI
Organization	Smith Micro Software, Inc.(sms-2)
Country	US
Website	smithmicro.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-04-20

ASN Intelligence API for production workflows

Use ASN data for AS20313 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
162.223.143.0/24	AS20313	Smith Micro Software, Inc.	Smith Micro Software, Inc.	256
162.223.142.0/24	AS20313	Smith Micro Software, Inc.	Smith Micro Software, Inc.	256
162.223.140.0/24	AS20313	Smith Micro Software, Inc.	Smith Micro Software, Inc.	256
162.223.141.0/24	AS20313	Smith Micro Software, Inc.	Smith Micro Software, Inc.	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:       20313
ASName:         SMSI
ASHandle:       AS20313
RegDate:        2001-04-20
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/20313


OrgName:        Smith Micro Software, Inc.
OrgId:          SMS-2
Address:        51 Columbia
Address:        Suite 200
City:           Aliso Viejo
StateProv:      CA
PostalCode:     92656
Country:        US
RegDate:        1993-10-19
Updated:        2011-08-04
Ref:            https://rdap.arin.net/registry/entity/SMS-2


OrgNOCHandle: NETWO3240-ARIN
OrgNOCName:   Network Administrator
OrgNOCPhone:  +1-412-837-5300 
OrgNOCEmail:  mv.is@smithmicro.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3240-ARIN

OrgTechHandle: NETWO3240-ARIN
OrgTechName:   Network Administrator
OrgTechPhone:  +1-412-837-5300 
OrgTechEmail:  mv.is@smithmicro.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3240-ARIN

OrgAbuseHandle: NETWO3240-ARIN
OrgAbuseName:   Network Administrator
OrgAbusePhone:  +1-412-837-5300 
OrgAbuseEmail:  mv.is@smithmicro.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3240-ARIN

RAbuseHandle: NETWO3240-ARIN
RAbuseName:   Network Administrator
RAbusePhone:  +1-412-837-5300 
RAbuseEmail:  mv.is@smithmicro.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3240-ARIN

RNOCHandle: NETWO3240-ARIN
RNOCName:   Network Administrator
RNOCPhone:  +1-412-837-5300 
RNOCEmail:  mv.is@smithmicro.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO3240-ARIN

RTechHandle: NETWO3240-ARIN
RTechName:   Network Administrator
RTechPhone:  +1-412-837-5300 
RTechEmail:  mv.is@smithmicro.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO3240-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
AS7016	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7016	Comcast Cable Communications, LLC	US