AS27235 — CVC-INET-33

AS27235 announces 4 IPv4 prefixes covering 7,424 addresses and 0 IPv6 prefixes.

About this network

The AS handle CVC-INET-33 is held by Colorado Valley Communications, Inc.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as dsl-zpool3-254.cvctx.com and net10-254.cvctx.com.
• The network announces 7424 IPv4 addresses across 4 prefixes, with only 3 observed neighbours, indicating a local access provider rather than a transit carrier.

Notable

• Registrants for the three largest prefixes are consistent with the announcer, identified as COLORADO VALLEY COMMUNICATIONS, INC.
• The smallest prefix, 63.97.243.0/24, is registered to Verizon Business with the netname UUNET63, suggesting a legacy or leased block within the inventory.
• The inventory consists of four distinct IPv4 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

• 63.97.243.0/24
• 65.119.48.0/22
• 65.120.0.0/21
• 66.220.128.0/20

Upstream networks

• AS46849 TEXAS LONE STAR NETWORK, LLC
• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC

Adjacent networks

• AS46849 TEXAS LONE STAR NETWORK, LLC
• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 75% of announcements registered; 5 route objects.
• Listed in as-sets: AS-63529-AS-IMPORT-AS6939, AS-CCI-TX-CUST, AS-HURRICANE, AS-MERIPLEX, AS-TRANSROUTE-SPEC, AS14016:AS-CAPCON, AS46849:AS-PEERS.