AS19021 — BTC-BROADBAND

AS19021 announces 11 IPv4 prefixes covering 25,856 addresses and 0 IPv6 prefixes.

About this network

BTC-BROADBAND is operated by BTC Broadband Inc.

What it's used for

• The address space carries a mix of corporate and leased infrastructure, evidenced by netnames OLP, BTCBR, and COGENT-A.
• Reverse DNS entries consistently use the olp.net domain (e.g., olp-209-150-244-0.olp.net), indicating a unified internal naming convention for the operator's estate.
• The AS announces 25,856 IPv4 addresses across 13 prefixes with only 6 observed neighbours, a ratio that suggests an access or business network rather than a transit provider.

Notable

• Registrants are mixed: most prefixes are registered to BTC Broadband Inc., but four prefixes (including 38.187.144.0/20 and 38.59.152.0/21) are registered to Cogent Communications, LLC, indicating leased space or historical acquisition.
• The inventory is composed of various block sizes, ranging from /20s to /24s, with no IPv6 prefixes currently announced.

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

Announced prefixes

• 8.43.40.0/23
• 38.59.144.0/20
• 38.146.144.0/20
• 38.187.144.0/20
• 67.217.144.0/21
• 67.217.152.0/22
• 67.217.156.0/23
• 67.217.158.0/24
• 162.208.44.0/22
• 209.150.240.0/20
• 216.14.144.0/20

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS7018 AT&T Enterprises, LLC

Downstream networks

• AS13453 DIVERSIFIED SYSTEMS RESOURCES, LTD
• AS19983 Global Technology Partners LLC
• AS25950 Beggs Telephone Company, Inc.

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS13453 DIVERSIFIED SYSTEMS RESOURCES, LTD
• AS19983 Global Technology Partners LLC
• AS25950 Beggs Telephone Company, Inc.
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 14 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 64% of announcements registered; 14 route objects.
• Listed in as-sets: AS-COX-CENTRAL, AS-LEVEL3-IPV6, AS-ONENET-CACHING.