AS206523 PUT Poznan University of Technology

PUT Poznan University of Technology · registered in Poland

IPv4 addresses13,56816 prefixes · <0.001% of announced IPv4

Rank in Poland#109largest network in PL by IPv4 space, of 2,091 · 0.07% of PL

Rank worldwide#7,746of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS206523 in ASN lookup Look up an IP in this network (150.254.1.1) All networks in Poland

IPv4 prefixes

All 16 prefixes, in address order.

150.254.1.0/24
150.254.2.0/23
150.254.4.0/22
150.254.8.0/21
150.254.16.0/20
150.254.32.0/22
150.254.40.0/23
150.254.42.0/24
150.254.46.0/23
150.254.50.0/23
150.254.52.0/23
150.254.54.0/24
150.254.129.0/24
150.254.130.0/23
150.254.132.0/22
150.254.140.0/24

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS43420#106 ELTRONIK-AS Eltronik Sp. z o.o.14,080

AS50599#107 DATASPACE DATASPACE P.S.A.13,824

AS57608#108 DGNET FIBO SA13,568

AS42673#110 SKYWARE-AS Skyware Sp. z o.o.13,312

AS56515#111 OXYNET-AS OXYNET sp. z o.o.13,312

AS197226#112 SPRINT-SDC "SPRINT" S.A.13,312

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources