AS20419 — NETBLK-DMRCOM - DMR Communications Inc.

AS20419 announces 7 IPv4 prefixes covering 7,936 addresses and 0 IPv6 prefixes.

About this network

The AS handle NETBLK-DMRCOM is operated by DMR Communications Inc.

What it's used for

• The address space carries customer premises equipment, evidenced by reverse DNS entries pointing to customer.dmrcom.com and netnames such as DMR-DSL and CUSTOMER-PREM.
• The AS announces 7936 IPv4 addresses across 7 prefixes while maintaining only 2 observed neighbours, a ratio that indicates an access or eyeball network rather than a transit provider.

Notable

• All registrants for the announced prefixes are DMR Communications Inc., matching the AS holder and confirming consistent ownership of the inventory.
• The address inventory consists of a mix of /21, /22, and /24 blocks, including legacy ranges like 66.133.64.0/21 and 199.21.152.0/21, 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

• 66.133.64.0/21
• 69.28.108.0/24
• 69.28.116.0/24
• 192.132.8.0/24
• 199.21.152.0/21
• 199.96.112.0/22
• 208.92.0.0/21

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS20001 Charter Communications Inc

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS20001 Charter Communications Inc

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-RR-BIZ.