AS38987 OST-ASN Spoldzielnia Telekomunikacyjna OST

OST-ASN Spoldzielnia Telekomunikacyjna OST · registered in Poland

IPv4 addresses12,2884 prefixes · <0.001% of announced IPv4

Rank in Poland#119largest network in PL by IPv4 space, of 2,091 · 0.06% of PL

Rank worldwide#8,136of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryPoland2,145 ASNs registered there

Open AS38987 in ASN lookup Look up an IP in this network (37.72.120.1) All networks in Poland

IPv4 prefixes

All 4 prefixes, in address order.

37.72.120.0/21
62.133.128.0/19
168.222.232.0/22
185.13.184.0/22

IPv6 prefixes

All 1 prefix.

2a02:22e0::/32

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS15798#116 OLMAN-EDU-AS University of Warmia and Mazury in Olsztyn, Poland13,056

AS58350#117 CLASSCOM-AS PHU Classcom Sp. z o.o.12,800

AS15874#118 INTERKAM INTERKAM sp. z o.o.12,544

AS29553#120 VLINE-AS Toya sp.z.o.o12,288

AS24848#121 KIELMAN-EDU-AS Kielce University of Technology12,032

AS50247#122 ITCOMP ITCOMP sp. z o.o11,776

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