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	Prefix	Description
	64.190.170.0/24	Blackline Systems, Inc.
	192.188.251.0/24	Blackline Systems, Inc.
	192.189.72.0/24	Blackline Systems, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS2914	NTT America, Inc.	✔	✘
	AS23005	SWITCH, LTD	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS2914	NTT America, Inc.	✔	✘
	AS23005	SWITCH, LTD	✔	✘

ASHandle:       AS394201
OrgID:          BS-375
ASName:         BLS
ASNumber:       394201
RegDate:        2015-07-07
Updated:        2015-07-07
Source:         ARIN



OrgID:          BS-375
OrgName:        Blackline Systems, Inc.
CanAllocate:    
Street:         21300 Victory Blvd., #1200
City:           Woodland Hills
State/Prov:     CA
Country:        US
PostalCode:     91367
RegDate:        2015-05-20
Updated:        2020-05-20
OrgAdminHandle: PRODU17-ARIN
OrgTechHandle:  PRODU17-ARIN
OrgAbuseHandle: PRODU17-ARIN
OrgNOCHandle:   NOC32334-ARIN
OrgRoutingHandle:   MILLE3024-ARIN
OrgDNSHandle:   MILLE3024-ARIN
Source:         ARIN





OrgAdminHandle:       PRODU17-ARIN
OrgAdminName:          Production Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        PRODU17-ARIN
OrgTechName:           Production Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       PRODU17-ARIN
OrgAbuseName:          Production Operations
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC32334-ARIN
OrgNOCName:            Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     MILLE3024-ARIN
OrgRoutingName:       Jim Miller
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         MILLE3024-ARIN
OrgDNSName:           Jim Miller
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:33:20Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695
NTTCOM	as2914:as-us	71801
LEVEL3	as-as23005	321
RADB	as-as23005	321