AS21211 — PENKI-AS LT-01115, Vilnius

Network type: residential

AS21211 announces 10 IPv4 prefixes covering 48,896 addresses and 1 IPv6 prefixes.

About this network

The AS handle PENKI-AS is held by Penki kontinentai, a Lithuanian telecommunications provider.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as lan-78-157-72-0.vln.penki.lt and netnames like LT-5CI-20070829.
• With 48,896 IPv4 addresses announced across 24 prefixes and only 9 observed neighbours, the high address-to-neighbour ratio indicates an access network rather than a transit provider.

Notable

• Registrants for the majority of prefixes are UAB Penki kontinentai or Penki kontinentai administrators, aligning with the AS holder. Two prefixes (147.78.112.0/22 and 171.22.4.0/22) are registered to web2objects GmbH, suggesting leased or acquired space.
• The inventory is dominated by /19 and /20 blocks in the 78.157, 84.240, 31.44, and 213.159 ranges, with a single /32 IPv6 prefix.

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

Announced prefixes

• 31.44.96.0/20
• 78.157.64.0/19
• 84.240.0.0/18
• 147.78.112.0/22
• 171.22.4.0/22
• 185.25.0.0/22
• 185.184.144.0/24
• 185.184.146.0/23
• 212.122.64.0/19
• 213.159.32.0/19
• 2a03:280::/32

Upstream networks

• AS9002 RETN Limited
• AS13194 UAB "Bite Lietuva"
• AS6939 Hurricane Electric LLC
• AS3303 Swisscom (Schweiz) AG

Downstream networks

• AS198009 Ashburn International Ltd.
• AS211336 UAB Penki kontinentai

Adjacent networks

• AS9002 RETN Limited
• AS13194 UAB "Bite Lietuva"
• AS6939 Hurricane Electric LLC
• AS198009 Ashburn International Ltd.
• AS211336 UAB Penki kontinentai
• AS3303 Swisscom (Schweiz) AG

Internet exchanges

• Baltic Internet Exchange — Vilnius, Lithuania