AS42374 — INSTALNET-AS

Network type: residential

AS42374 announces 3 IPv4 prefixes covering 2,816 addresses and 0 IPv6 prefixes.

About this network

The AS handle INSTALNET-AS is held by Instalnet Szabat Rydzewski Spółka Jawna.

What it's used for

• The address space carries residential customer traffic, evidenced by reverse DNS entries such as cust176104117-254.instalnet.com.pl and cust9123466-128.instalnet.com.pl.
• The network announces 2816 IPv4 addresses across 3 prefixes, with 8 observed neighbours, indicating a regional access provider rather than a transit hub.
• Traffic consists of subscriber eyeballs for cable and DSL services, consistent with the operator's classification as a regional ISP.

Notable

• All registrants for the announced prefixes are INSTALNET NOC and INSTALNET SZABAT RYDZEWSKI SPOLKA JAWNA, matching the AS holder.
• The address inventory is composed of three distinct IPv4 blocks: 176.104.112.0/21, 91.234.66.0/23, and 193.17.174.0/24.
• Reverse DNS also includes NAT-related hostnames like nat64.instalnet.com.pl and nat127.instalnet.com.pl, indicating internal network infrastructure.

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

Announced prefixes

• 91.234.66.0/23
• 176.104.112.0/21
• 193.17.174.0/24

Upstream networks

• AS29535 Orange Polska Spolka Akcyjna
• AS50607 Stowarzyszenie e-Poludnie
• AS5617 Orange Polska Spolka Akcyjna
• AS201054 Stowarzyszenie e-Poludnie
• AS24482 SG.GS

Adjacent networks

• AS29535 Orange Polska Spolka Akcyjna
• AS50607 Stowarzyszenie e-Poludnie
• AS24482 SG.GS
• AS201054 Stowarzyszenie e-Poludnie
• AS5617 Orange Polska Spolka Akcyjna

Internet exchanges

• TPIX - Internet Exchange — Warsaw, Poland