AS49528 — ALFANET-PL-AS MARCIN MALOLEPSZY @ALFANET

AS49528 announces 4 IPv4 prefixes covering 5,888 addresses and 2 IPv6 prefixes.

About this network

The AS handle ALFANET-PL-AS is held by Alfanet, a regional Polish internet service provider.

What it's used for

• The address space carries residential and business customer traffic, evidenced by reverse DNS entries such as 31.42.4.0.alfanet24.pl and alnca128.alfanet24.pl.
• The network announces 5,888 IPv4 addresses across 4 prefixes and 2 IPv6 prefixes, with 15 observed routing neighbours, indicating a role as an access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs using cable, DSL, and fibre connections for internet access, digital telephony, and television services.

Notable

• All registrants for the announced prefixes are consistent with the announcer, listing MARCIN MALOLEPSZY @ALFANET or Abuse Contact under netnames like ALFANET and PL-ALFANET-20130221.
• The address inventory is composed of four distinct IPv4 blocks, including a /20, a /22, a /23, and a /24, alongside two IPv6 prefixes.

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

Announced prefixes

• 31.42.0.0/20
• 185.19.116.0/22
• 185.55.67.0/24
• 195.88.28.0/23
• 2a00:40a0::/40
• 2a02:4a40:101::/48

Upstream networks

• AS50607 Stowarzyszenie e-Poludnie
• AS50606 Horyzont Technologie Internetowe sp.z.o.o.
• AS201054 Stowarzyszenie e-Poludnie
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS20473 The Constant Company, LLC

Downstream networks

• AS60755 Lukasz Istek KomputerLAN
• AS47896 ALFASZYBKINET Sp. z o. o.

Adjacent networks

• AS50607 Stowarzyszenie e-Poludnie
• AS50606 Horyzont Technologie Internetowe sp.z.o.o.
• AS47896 ALFASZYBKINET Sp. z o. o.
• AS60755 Lukasz Istek KomputerLAN
• AS201054 Stowarzyszenie e-Poludnie
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS20473 The Constant Company, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 6 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 7 route objects.
• Listed in as-sets: AS-CPOP, AS-HURRICANE, AS-IPARTNERS, AS-PL-ALFANET, AS-PLIX-CONNECTED, AS-RETN-ACTUAL-V4, AS-TKPSA, AS-TPIX, AS5617:AS-PL, AS5617:AS-PL-TRANSIT, AS5617:AS-WORLD-TRANSIT, AS8246:AS-TPNET.

Internet exchanges

• Equinix Internet Exchange Warsaw — Warsaw, Poland