AS12234 — UUNET-INT

AS12234 announces 7 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

An operational network of Verizon Business, still carrying the UUNET name in its AS handle and its reverse DNS.

What it's used for

• Carrier infrastructure rather than customer access. Sampled addresses answer as CMA128.ash.ops.us.uu.net and nat-apac-203-108-235-64.ap.verizonbusiness.com.

Notable

• 4,096 addresses across seven prefixes and only two observed BGP neighbours. No IPv6 announced.
• The blocks come from two continents. Four are registered to Verizon Australia Pty Limited under VzB-AU-NETBLOCK, and one /23 is UUNET63, registered to Verizon Business with a second contact still recorded as UUnet Technologies, Inc.
• One 203.108.235.0/24 is registered as OZEMAIL-AU.

Interesting

• Every layer of the company's history is legible here at once. UUNET was one of the first commercial internet providers, sold to MFS, then MCI WorldCom, then absorbed into Verizon — and uu.net still resolves, with ash in the hostname for Ashburn, Virginia, the town UUNET helped turn into the densest concentration of internet infrastructure on earth.
• OzEmail was Australia's large consumer provider of the dial-up era, bought by MCI WorldCom in 1999 and long since passed on again. Its netname is still on a /24 announced from this AS. Registry netnames are effectively write-once: nothing breaks if they go stale, so they become the most reliable record of who owned what, long after every other trace is gone.

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

Announced prefixes

• 63.76.6.0/23
• 63.88.10.0/23
• 203.108.109.0/24
• 203.108.235.0/24
• 203.166.64.0/21
• 203.166.74.0/24
• 203.166.79.0/24

Upstream networks

• AS703 Verizon Business
• AS701 Verizon Business

Adjacent networks

• AS703 Verizon Business
• AS701 Verizon Business