AS205813 MONTMAY Montmay Sp. z o.o.

MONTMAY Montmay Sp. z o.o. · registered in Poland

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in Poland#637largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#27,247of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS205813 in ASN lookup Look up an IP in this network (81.15.239.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

81.15.239.0/24
81.15.242.0/24
185.204.192.0/22

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS199439#634 DREAMLINK-AS Dreamlink sp. z o.o.1,536

AS199978#635 NETCOM Robert Jerzy Opielinski trading as NETCOM COMPUTERS1,536

AS203689#636 METLIFE_SERVICES-ASN NATIONALE-NEDERLANDEN TOWARZYSTWO UBEZPIECZEN NA ZYCIE SA1,536

AS206442#638 RAWI-NET-AS Rawi-Net Sp. z o.o1,536

AS212163#639 WAVE Firma Handlowo-Uslugowa WAVE-NET Piskor Daniel1,536

AS212251#640 GWARCOM-AS GWARCOM IT Sp.zoo1,536

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