AS18897 — MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, Inc.

AS18897 announces 8 IPv4 prefixes covering 20,224 addresses and 2 IPv6 prefixes.

About this network

MONTANA-SKY-NETWORKS-INC is operated by Montana Sky Networks, Inc.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS records pointing to montanasat.net and netnames such as MONTANASKYNET and MONTANASKYWEST.
• The AS announces 20,224 IPv4 addresses across 8 prefixes and 24 IPv6 prefixes, while maintaining only 5 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.

Notable

• Registrants largely align with the announcer, including Montana Sky Networks, Inc. and Montana Sky West LLC, with some entries referencing the MontanaSky Network Opperations Center.
• The address inventory consists of four /20 blocks and four smaller sub-allocations within the 66.135.0.0/16 range, reflecting a consolidated but segmented corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 66.135.64.0/20
• 66.135.80.0/21
• 66.135.88.0/22
• 66.135.92.0/23
• 66.135.95.0/24
• 107.191.160.0/20
• 208.123.192.0/20
• 216.211.176.0/20
• 2604:7c80::/32
• 2606:b580::/32

Upstream networks

• AS20055 Wholesail networks LLC
• AS20119 Arrow Group Inc.
• AS6653 Vero Broadband

Downstream networks

• AS33402 Bullitt Communications
• AS395786 Nomad Global Communications Solutions, Inc.
• AS399455 IP Routing LLC

Adjacent networks

• AS20055 Wholesail networks LLC
• AS20119 Arrow Group Inc.
• AS6653 Vero Broadband
• AS33402 Bullitt Communications
• AS395786 Nomad Global Communications Solutions, Inc.
• AS399455 IP Routing LLC

Routing security

• RPKI: 0 valid, 0 invalid and 18 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 12 route objects.
• Listed in as-sets: AS-ARROW, AS-ARROW, AS-CENTURYTEL, AS-HURRICANEV6, AS-SYRINGACUSTOMERS, AS-TRANSARIA, AS-TRANSROUTE-SPEC, AS-VEROBB, AS-WHOLESAIL.