AS21064 — OLMAN-COM-AS OLMAN, Metropolitan Area Network commercial AS

AS21064 announces 5 IPv4 prefixes covering 3,584 addresses and 0 IPv6 prefixes.

About this network

OLMAN-COM-AS is operated by University of Warmia and Mazury in Olsztyn, Poland.

What it's used for

• The address space carries university infrastructure, evidenced by the registrant name and a reverse DNS entry pointing to lab5.lab-mlek.com.pl.
• With 3584 IPv4 addresses announced across 5 prefixes and only 6 observed neighbours, the ratio indicates an access or eyeball network serving the institution's campus rather than a transit provider.

Notable

• All registrants for the announced prefixes align with the announcer, listing the University of Warmia and Mazury in Olsztyn, Poland, with netnames such as PL-OLMAN-20030704 and PL-OLMAN-991210.
• The inventory consists of five IPv4 prefixes, including two /22 blocks and two /24 blocks within the 213.73.0.0/16 range, plus one /22 in 213.184.0.0/16, with no IPv6 prefixes announced.

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

Announced prefixes

• 213.73.8.0/22
• 213.73.12.0/24
• 213.73.15.0/24
• 213.73.16.0/22
• 213.184.28.0/22

Upstream networks

• AS196844 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS13293 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

Downstream networks

• AS34076 Zaklad Elektronicznej Techniki Obliczeniowej w Olsztynie spolka z ograniczona odpowiedzialnoscia
• AS15798 University of Warmia and Mazury in Olsztyn, Poland
• AS44551 Wojewodztwo Warminsko-Mazurskie
• AS197513 POLSKIE RADIO-REGIONALNA ROZGLOSNIA W OLSZTYNIE RADIO OLSZTYN S.A.

Adjacent networks

• AS196844 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS13293 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
• AS34076 Zaklad Elektronicznej Techniki Obliczeniowej w Olsztynie spolka z ograniczona odpowiedzialnoscia
• AS15798 University of Warmia and Mazury in Olsztyn, Poland
• AS44551 Wojewodztwo Warminsko-Mazurskie
• AS197513 POLSKIE RADIO-REGIONALNA ROZGLOSNIA W OLSZTYNIE RADIO OLSZTYN S.A.