AS42343 — KTAB-AS

Network type: residential

AS42343 announces 4 IPv4 prefixes covering 20,480 addresses and 1 IPv6 prefixes.

About this network

KTAB-AS is operated by Karjaan Puhelin Oy, a regional telecommunications provider in Finland.

What it's used for

• The address space carries residential customer traffic, evidenced by reverse DNS entries such as customer.karistelefon.fi and cust.ktab.fi.
• The network announces 20,480 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, while maintaining 19 observed neighbours; this ratio indicates an access network rather than a transit provider.
• Traffic consists of subscriber eyeballs for cable and DSL services in the Karis region, consistent with the operator's classification as a regional Cable/DSL/ISP.

Notable

• All registrants for the announced prefixes are listed as Karjaan Puhelin Oy, matching the AS holder.
• The address inventory is composed of four distinct IPv4 blocks, including a large /18 and three smaller /22 and /21 blocks, all registered under netnames beginning with FI-KTAB.

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

Announced prefixes

• 84.240.96.0/21
• 91.150.0.0/18
• 93.91.188.0/22
• 185.141.96.0/22
• 2a04:b080::/29

Upstream networks

• AS6667 Elisa Oyj
• AS6939 Hurricane Electric LLC
• AS47605 FNE-Finland Oy
• AS24482 SG.GS
• AS50304 Blix Solutions AS
• AS20764 CJSC RASCOM
• AS57463 NetIX Communications JSC
• AS12552 GlobalConnect AB
• AS20473 The Constant Company, LLC

Adjacent networks

• AS6667 Elisa Oyj
• AS6939 Hurricane Electric LLC
• AS47605 FNE-Finland Oy
• AS50304 Blix Solutions AS
• AS24482 SG.GS
• AS12552 GlobalConnect AB
• AS20764 CJSC RASCOM
• AS57463 NetIX Communications JSC
• AS20473 The Constant Company, LLC

Internet exchanges

• Netnod Stockholm — Stockholm, Sweden
• Netnod Sundsvall- Gävle — Sundsvall, Sweden