AS21622 — PR-NEWSWIRE-USA-1

AS21622 announces 8 IPv4 prefixes covering 3,072 addresses and 0 IPv6 prefixes.

About this network

PR-NEWSWIRE-USA-1 is operated by PR Newswire.

What it's used for

• The address space carries corporate infrastructure for a global press release distribution service, evidenced by netnames like PRNEWSWIRE2 and NETBLK-PRNEWSWIRE, and reverse DNS entries pointing to vocuspr.com and bulletinhealthcare.com.
• The AS announces 2816 IPv4 addresses across 9 prefixes with 4 observed neighbours, a ratio consistent with a business network maintaining direct peering or transit relationships for its distribution platform.

Notable

• Registrants are consistent with the announcer, listing PR Newswire and PR Newswire Association LLC for most blocks, though one prefix (206.155.72.0/24) is registered to CenturyLink Communications, LLC under the netname CENTURYLINK-LEGACY-SAVVIS-BLK122.
• The inventory consists of a mix of /23 and /24 blocks, including legacy space from Savvis and CenturyLink, indicating a history of acquisitions or address space consolidation.

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

Announced prefixes

• 64.14.144.0/24
• 65.123.29.0/24
• 198.199.175.0/24
• 198.199.176.0/24
• 199.230.19.0/24
• 199.230.24.0/22
• 199.230.28.0/23
• 206.155.72.0/24

Upstream networks

• AS3561 CenturyLink Communications, LLC
• AS13335 Cloudflare, Inc.
• AS7018 AT&T Enterprises, LLC
• AS174 Cogent Communications, LLC

Adjacent networks

• AS3561 CenturyLink Communications, LLC
• AS13335 Cloudflare, Inc.
• AS7018 AT&T Enterprises, LLC
• AS174 Cogent Communications, LLC