AS27553 — TELNET

AS27553 announces 3 IPv4 prefixes covering 28,672 addresses and 1 IPv6 prefixes.

About this network

TELNET is the AS handle for Telnet Worldwide, Inc.

What it's used for

• The address space carries static IP addresses, as indicated by reverse DNS entries such as tnmi-static-254-239-142-209.ip.telnetww.com and netnames like TNET-CYBX and TELNET-MI.
• With 28,672 IPv4 addresses announced across 3 prefixes and only 3 observed neighbours, the ratio suggests a business or enterprise network rather than a large-scale transit or residential access provider.

Notable

• All registrants for the announced prefixes are Telnet Worldwide, Inc., matching the AS holder.
• The inventory consists of three distinct IPv4 blocks: 209.142.192.0/18, 64.27.192.0/19, and 64.255.64.0/20, along with one IPv6 prefix.

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

Announced prefixes

• 64.27.192.0/19
• 64.255.64.0/20
• 209.142.192.0/18
• 2604:e000::/32

Upstream networks

• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB

Downstream networks

• AS32228 ISN Communications

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS32228 ISN Communications
• AS1299 Arelion Sweden AB

Internet exchanges

• Detroit Internet Exchange — Detroit, United States