AS25840 — CASCADE-ACCESS-LLC-CA-ESTOR1

AS25840 announces 14 IPv4 prefixes covering 14,080 addresses and 0 IPv6 prefixes.

About this network

CASCADE-ACCESS-LLC-CA-ESTOR1 is operated by Cascade Access, LLC.

What it's used for

• The address space carries residential broadband access, evidenced by reverse DNS entries such as pppoe-72-19-37-254.rioaccess.com and ftth-static-72-19-61-254.rioaccess.com.
• With 13056 IPv4 addresses announced across 13 prefixes and only 3 observed neighbours, the high address-to-neighbour ratio indicates a regional access network rather than a transit provider.

Notable

• Registrants are predominantly Cascade Access, LLC, though several prefixes (38.19.186.0/23, 38.74.68.0/23, 38.246.120.0/23) list Cogent Communications, LLC as the registrant with netname COGENT-A, suggesting leased or inherited space.
• The operator is also known as Reliance Connects, a regional cable and DSL ISP.
• The inventory consists of a mix of /21, /22, /23, and /24 blocks, with no IPv6 prefixes announced.

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

Announced prefixes

• 38.19.186.0/23
• 38.74.68.0/23
• 38.87.120.0/23
• 38.97.228.0/23
• 38.109.252.0/22
• 38.125.76.0/22
• 38.126.65.0/24
• 38.246.120.0/23
• 72.19.32.0/21
• 72.19.56.0/21
• 140.82.240.0/23
• 140.82.244.0/23
• 173.239.88.0/21
• 216.155.216.0/21

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS11071 InfoWest

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS11071 InfoWest

Internet exchanges

• Southern Utah Peering Regional Network — St. George, United States