AS57213 — FAN-TEX-AS "FAN-TEX" Aleksander Grzegorz HIRSZTRITT

AS57213 announces 4 IPv4 prefixes covering 5,632 addresses and 0 IPv6 prefixes.

About this network

The AS handle FAN-TEX-AS is held by "FAN-TEX" Aleksander Grzegorz HIRSZTRITT.

What it's used for

• The address space carries business and network infrastructure traffic, evidenced by reverse DNS entries such as ipa128.nex.el.fantex.net and ipb126.nex.el.fantex.net, alongside standard host records like 176-109-130-0-fan-tex.pl.
• The network announces 5,632 IPv4 addresses across 4 prefixes, with only 2 observed routing neighbours, indicating a small, self-contained business network rather than a transit or large-scale access provider.
• Traffic from this AS consists of internal corporate endpoints and network infrastructure for the operator's business operations in Poland.

Notable

• All four announced prefixes share the netname FAN-TEX and are registered to "FAN-TEX" Aleksander Grzegorz HIRSZTRITT, confirming consistent ownership and alignment with the AS holder.
• The address inventory is compact, consisting of four distinct IPv4 blocks in Poland with no IPv6 prefixes announced.

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

Announced prefixes

• 46.151.72.0/21
• 91.210.12.0/22
• 91.236.8.0/23
• 176.109.128.0/21

Upstream networks

• AS210104 Timplus sp. z o.o.

Downstream networks

• AS57594 "FAN-TEX" Aleksander Grzegorz HIRSZTRITT

Adjacent networks

• AS210104 Timplus sp. z o.o.
• AS57594 "FAN-TEX" Aleksander Grzegorz HIRSZTRITT

Routing security

• RPKI: 0 valid, 0 invalid and 4 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-DCENTER, AS-EPIXW-LOCAL, AS-FANTEX, AS-KIKE-LOCAL, AS-NETIA-MSK-IX, AS-NETIA-PEERING, AS-RETN-ACTUAL-V4, AS-WAWTEL, AS29535:AS-MIX2, AS29535:AS-TPIX, AS5617:AS-PL.