AS36490 Owens-Corning

OWENSCORNING - Owens-Corning · registered in the United States

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in United States#9,170largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,229of 79,396 networks with IPv4

IPv68 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS36490 in ASN lookup Look up an IP in this network (205.204.1.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

205.204.1.0/24
205.204.4.0/23

IPv6 prefixes

All 1 prefix.

2620:103:8000::/45

Other ASNs named Owens-Corning

1 other network uses the same organisation name; together with AS36490 they announce 1,280 IPv4 addresses.

ASNNameIPv4 addresses

AS53710OWENS-CORNING - Owens-Corning US512

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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