What is ASN AS394201?

ASN AS394201 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394201?

AS394201 is listed under Blackline Systems, 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.

AS394201 Blackline Systems, Inc.

ASN Lookup Tool

Blackline Systems, Inc. blackline.com

US 3 Routes

AS Data

AS394201

AS394201 – Blackline Systems, Inc.

AS Number	394201
AS Name	BLS
Organization	Blackline Systems, Inc.(bs-375)
Country	US
Website	blackline.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-07-07

ASN Intelligence API for production workflows

Use ASN data for AS394201 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.189.72.0/24	AS394201	Blackline Systems, Inc.	Blackline Systems, Inc.	256
64.190.170.0/24	AS394201	Blackline Systems, Inc.	Blackline Systems, Inc.	256
192.188.251.0/24	AS394201	Blackline Systems, Inc.	Blackline Systems, 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:       394201
ASName:         BLS
ASHandle:       AS394201
RegDate:        2015-07-07
Updated:        2015-07-07    
Ref:            https://rdap.arin.net/registry/autnum/394201


OrgName:        Blackline Systems, Inc.
OrgId:          BS-375
Address:        21300 Victory Blvd., #1200
City:           Woodland Hills
StateProv:      CA
PostalCode:     91367
Country:        US
RegDate:        2015-05-20
Updated:        2020-05-20
Ref:            https://rdap.arin.net/registry/entity/BS-375


OrgAbuseHandle: PRODU17-ARIN
OrgAbuseName:   Production Operations
OrgAbusePhone:  +1-818-223-9008 
OrgAbuseEmail:  cloudnetwork@blackline.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PRODU17-ARIN

OrgDNSHandle: MILLE3024-ARIN
OrgDNSName:   Miller, Jim 
OrgDNSPhone:  +1-805-469-9406 
OrgDNSEmail:  Jim.Miller@blackline.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MILLE3024-ARIN

OrgRoutingHandle: MILLE3024-ARIN
OrgRoutingName:   Miller, Jim 
OrgRoutingPhone:  +1-805-469-9406 
OrgRoutingEmail:  Jim.Miller@blackline.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MILLE3024-ARIN

OrgTechHandle: PRODU17-ARIN
OrgTechName:   Production Operations
OrgTechPhone:  +1-818-223-9008 
OrgTechEmail:  cloudnetwork@blackline.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PRODU17-ARIN

OrgNOCHandle: NOC32334-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-818-657-7100 
OrgNOCEmail:  cloudnetwork@blackline.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32334-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS23005	SWITCH, LTD	US

Upstreams

AS Number	Description	Country
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS23005	SWITCH, LTD	US