ASN AS20356 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20356?

AS20356 is listed under SIERRA COMMUNICATIONS, 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.

AS20356 SIERRA COMMUNICATIONS, INC.

ASN Lookup Tool

SIERRA COMMUNICATIONS, INC. ncom.com

US 13 Routes

AS Data

AS20356

AS20356 – SIERRA COMMUNICATIONS, INC.

AS Number	20356
AS Name	BACAVALLEY-COM
Organization	SIERRA COMMUNICATIONS, INC.(sierra-45)
Country	US
Website	ncom.com
Number of IPv4 Routes	13
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-04-26

ASN Intelligence API for production workflows

Use ASN data for AS20356 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.199.252.0/22	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	1024
68.66.84.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
68.66.87.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
68.66.85.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
67.209.219.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
67.209.217.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
67.209.216.0/22	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	1024
68.66.86.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	256
208.184.113.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications, Inc	256
66.199.254.0/24	AS20356	SIERRA COMMUNICATIONS, INC.	Sierra Communications	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:       20356
ASName:         BACAVALLEY-COM
ASHandle:       AS20356
RegDate:        2001-04-26
Updated:        2023-09-20    
Ref:            https://rdap.arin.net/registry/autnum/20356


OrgName:        SIERRA COMMUNICATIONS, INC.
OrgId:          SIERRA-45
Address:        532 BROADWAY AVE.
City:           DES MOINES
StateProv:      NM
PostalCode:     88418
Country:        US
RegDate:        2001-04-26
Updated:        2023-10-11
Ref:            https://rdap.arin.net/registry/entity/SIERRA-45


OrgAbuseHandle: WARNE364-ARIN
OrgAbuseName:   Warner, Scott 
OrgAbusePhone:  +1-575-278-2101 
OrgAbuseEmail:  scottbvt@bacavalley.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WARNE364-ARIN

OrgAbuseHandle: OSBOR238-ARIN
OrgAbuseName:   Osborn, Stephanie 
OrgAbusePhone:  +1-575-278-2101 
OrgAbuseEmail:  stephaniebvt@bacavalley.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/OSBOR238-ARIN

OrgTechHandle: OSBOR238-ARIN
OrgTechName:   Osborn, Stephanie 
OrgTechPhone:  +1-575-278-2101 
OrgTechEmail:  stephaniebvt@bacavalley.net
OrgTechRef:    https://rdap.arin.net/registry/entity/OSBOR238-ARIN

OrgTechHandle: HICKS277-ARIN
OrgTechName:   Hicks, Bryan 
OrgTechPhone:  +1-806-866-9900 
OrgTechEmail:  bhicks@ncom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HICKS277-ARIN

OrgTechHandle: WARNE364-ARIN
OrgTechName:   Warner, Scott 
OrgTechPhone:  +1-575-278-2101 
OrgTechEmail:  scottbvt@bacavalley.net
OrgTechRef:    https://rdap.arin.net/registry/entity/WARNE364-ARIN

RTechHandle: OSBOR238-ARIN
RTechName:   Osborn, Stephanie 
RTechPhone:  +1-575-278-2101 
RTechEmail:  stephaniebvt@bacavalley.net
RTechRef:    https://rdap.arin.net/registry/entity/OSBOR238-ARIN

RAbuseHandle: OSBOR238-ARIN
RAbuseName:   Osborn, Stephanie 
RAbusePhone:  +1-575-278-2101 
RAbuseEmail:  stephaniebvt@bacavalley.net
RAbuseRef:    https://rdap.arin.net/registry/entity/OSBOR238-ARIN

RTechHandle: WARNE364-ARIN
RTechName:   Warner, Scott 
RTechPhone:  +1-575-278-2101 
RTechEmail:  scottbvt@bacavalley.net
RTechRef:    https://rdap.arin.net/registry/entity/WARNE364-ARIN

RAbuseHandle: WARNE364-ARIN
RAbuseName:   Warner, Scott 
RAbusePhone:  +1-575-278-2101 
RAbuseEmail:  scottbvt@bacavalley.net
RAbuseRef:    https://rdap.arin.net/registry/entity/WARNE364-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
AS6461	Zayo Bandwidth	US
AS21782	Plateau Telecommunications Incorporated	US

Upstreams

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS21782	Plateau Telecommunications Incorporated	US