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	Prefix	Description
	8.39.228.0/24	Level 3 Parent, LLC
	8.42.68.0/24	Level 3 Parent, LLC
	8.42.68.0/22	Level 3 Parent, LLC
	8.42.69.0/24	Level 3 Parent, LLC
	8.42.70.0/24	Level 3 Parent, LLC
	8.42.71.0/24	Level 3 Parent, LLC
	165.140.184.0/24	Mountain Broadband
	165.140.184.0/22	Mountain Broadband
	165.140.186.0/24	Mountain Broadband

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS21777	Massive Networks	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS10835	Visionary Communications LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS21777	Massive Networks	✔	✘
	AS10835	Visionary Communications LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘

ASHandle:       AS399869
OrgID:          MBL-128
ASName:         MTNBB-S72
ASNumber:       399869
RegDate:        2021-07-13
Comment:        mtnbb.com
Updated:        2021-07-13
Source:         ARIN



OrgID:          MBL-128
OrgName:        Mountain Broadband
CanAllocate:    
Street:         PO Box 18770
City:           Golden
State/Prov:     CO
Country:        US
PostalCode:     80402
Comment:        mtnbb.com
RegDate:        2021-06-30
Updated:        2025-02-17
OrgAdminHandle: KENNE675-ARIN
OrgTechHandle:  BAH15-ARIN
OrgAbuseHandle: BAH15-ARIN
Source:         ARIN





OrgAdminHandle:       KENNE675-ARIN
OrgAdminName:         Sean Kennedy
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        BAH15-ARIN
OrgTechName:          Benjamin Hammond
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       BAH15-ARIN
OrgAbuseName:         Benjamin Hammond
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-04-18T03:27:55Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hurricane	23442
RADB	as399869:as-cone	1
RIPE	as-transroute-spec	17679
ARIN	as21777:as-cone	9
RIPE	as-ubnix-members	17596
RADB	as-10835-transit	95
RADB	as21777:as-louisville-co-all	7
RADB	as21777:as-cone	9
RADB	as21777:as-customers	9