ASN AS63476 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63476?

AS63476 is listed under SMS Assist, L.L.C..

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.

AS63476 SMS Assist, L.L.C. | IPGeolocation.io

ASN Lookup Tool

SMS Assist, L.L.C. smsassist.com

US 2 Routes

AS Data

AS63476

AS63476 – SMS Assist, L.L.C.

AS Number	63476
AS Name	SMS-ASSIST
Organization	SMS Assist, L.L.C.(sal-123)
Country	US
Website	smsassist.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-04-14

ASN Intelligence API for production workflows

Use ASN data for AS63476 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
216.21.1.0/24	AS63476	SMS Assist, L.L.C.	SMS Assist, L.L.C.	256
192.132.212.0/24	AS63476	SMS Assist, L.L.C.	SMS Assist, L.L.C.	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:       63476
ASName:         SMS-ASSIST
ASHandle:       AS63476
RegDate:        2015-04-14
Updated:        2015-04-14
Comment:        http://www.smsassist.com
Comment:        Standard NOC Hours are 8am to 5pm CST    
Ref:            https://rdap.arin.net/registry/autnum/63476


OrgName:        SMS Assist, L.L.C.
OrgId:          SAL-123
Address:        875 N Michigan Ave
Address:        Suite 2800
City:           Chicago
StateProv:      IL
PostalCode:     60611
Country:        US
RegDate:        2015-03-16
Updated:        2022-01-19
Comment:        http://www.smsassist.com
Comment:        Standard NOC hours are 8am to 5pm CST
Ref:            https://rdap.arin.net/registry/entity/SAL-123


OrgNOCHandle: STEVE829-ARIN
OrgNOCName:   Stevenson, Rod 
OrgNOCPhone:  +1-312-471-2959 
OrgNOCEmail:  rstevenson@smsassist.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/STEVE829-ARIN

OrgNOCHandle: RMO258-ARIN
OrgNOCName:   Olsen, Richard Michael
OrgNOCPhone:  +1-312-257-3388 
OrgNOCEmail:  rolsen@smsassist.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RMO258-ARIN

OrgAbuseHandle: STEVE829-ARIN
OrgAbuseName:   Stevenson, Rod 
OrgAbusePhone:  +1-312-471-2959 
OrgAbuseEmail:  rstevenson@smsassist.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/STEVE829-ARIN

OrgTechHandle: STEVE829-ARIN
OrgTechName:   Stevenson, Rod 
OrgTechPhone:  +1-312-471-2959 
OrgTechEmail:  rstevenson@smsassist.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STEVE829-ARIN

OrgTechHandle: RMO258-ARIN
OrgTechName:   Olsen, Richard Michael
OrgTechPhone:  +1-312-257-3388 
OrgTechEmail:  rolsen@smsassist.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RMO258-ARIN

OrgAbuseHandle: RMO258-ARIN
OrgAbuseName:   Olsen, Richard Michael
OrgAbusePhone:  +1-312-257-3388 
OrgAbuseEmail:  rolsen@smsassist.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RMO258-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
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US