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	Prefix	Description
	66.135.64.0/21	Montana Sky Networks, Inc.
	66.135.72.0/22	Montana Sky Networks, Inc.
	66.135.76.0/22	Montana Sky Networks, Inc.
	66.135.80.0/22	Montana Sky Networks, Inc.
	66.135.84.0/23	Montana Sky Networks, Inc.
	66.135.86.0/24	Montana Sky Networks, Inc.
	66.135.87.0/24	Montana Sky Networks, Inc.
	66.135.88.0/22	Montana Sky Networks, Inc.
	66.135.92.0/22	Montana Sky Networks, Inc.
	107.191.160.0/20	Montana Sky West LLC
	208.123.192.0/20	Montana Sky Networks, Inc.
	216.211.176.0/20	Montana Sky Networks, Inc.
	2604:7c80::/32	Montana Sky Networks, Inc.
	2604:7c80:e::/48	Montana Sky Networks, Inc.
	2604:7c80:12::/48	Montana Sky Networks, Inc.
	2604:7c80:19::/48	Montana Sky Networks, Inc.
	2606:b580::/32	Montana Sky West LLC

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS20055	Ziply Fiber	✔	✔
	AS20119	Arrow Group Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS20055	Ziply Fiber	✔	✔
	AS20119	Arrow Group Inc.	✔	✘
	AS399455	IP Routing LLC	✔	✘
	AS395786	Nomad Global Communications Solutions, Inc.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS399455	IP Routing LLC	✔	✘
	AS395786	Nomad Global Communications Solutions, Inc.	✔	✘

ASHandle:       AS18897
OrgID:          MSN-15
ASName:         MONTANA-SKY-NETWORKS-INC
ASNumber:       18897
RegDate:        2007-01-19
Updated:        2022-02-22
TechHandle:     ENDER42-ARIN
AbuseHandle:    ENDER42-ARIN
NOCHandle:      MNOC4-ARIN
Source:         ARIN



OrgID:          MSN-15
OrgName:        Montana Sky Networks, Inc.
CanAllocate:    
Street:         1286 Burns Way
City:           Kalispell
State/Prov:     MT
Country:        US
PostalCode:     59901
RegDate:        2004-08-25
Updated:        2019-05-25
OrgAdminHandle: ADMIN7140-ARIN
OrgTechHandle:  ENDER42-ARIN
OrgAbuseHandle: ENDER42-ARIN
OrgAbuseHandle: MNOC4-ARIN
OrgNOCHandle:   MNOC4-ARIN
Source:         ARIN





OrgAdminHandle:       ADMIN7140-ARIN
OrgAdminName:          Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ENDER42-ARIN
OrgTechName:          Tim Enders
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ENDER42-ARIN
OrgAbuseName:         Tim Enders
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       MNOC4-ARIN
OrgAbuseName:          MontanaSky Network Opperations Center
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         MNOC4-ARIN
OrgNOCName:            MontanaSky Network Opperations Center
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           ENDER42-ARIN
TechName:             Tim Enders
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ENDER42-ARIN
AbuseName:            Tim Enders
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            MNOC4-ARIN
NOCName:               MontanaSky Network Opperations Center
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:30:45Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-wholesail	274
RADB	as-transaria	32
NTTCOM	as-centurytel	7
RADB	as-arrow	50
ARIN	as-arrow	50
RIPE	as-transroute-spec	19683
RADB	as-syringacustomers	126