AS19794 — CEMENTWORKS - The Cementworks LLC

AS19794 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

CEMENTWORKS is the AS handle for The Cementworks LLC.

What it's used for

• The address space carries a single /24 prefix, 168.100.14.0/24, with the netname CLOUD9-NETB and registrant Cloud 9 Internet, Inc.
• Reverse DNS entries point to thebloc.com (e.g., 14-64.thebloc.com), indicating the space is used for hosting or service delivery rather than residential access.
• The AS announces 256 IPv4 addresses with only 2 observed neighbours, a ratio consistent with a small, self-contained business or hosting operation rather than a transit provider.

Notable

• The RDAP registrant for the announced prefix is Cloud 9 Internet, Inc., which differs from the AS holder The Cementworks LLC, suggesting a lease or historical relationship between the entities.
• The inventory consists of a single contiguous /24 block with no IPv6 prefixes, representing a minimal and focused address estate.

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

Announced prefixes

• 168.100.14.0/24

Upstream networks

• AS12271 Charter Communications Inc
• AS6079 RCN

Adjacent networks

• AS12271 Charter Communications Inc
• AS6079 RCN

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-PNAPNYC, AS-RCN-CUSTOMER, AS-RR-SYNC, AS3700:AS-ALL.