AS21785 Red Hat, Inc.

REDHAT-3 - Red Hat, Inc. · registered in the United States

IPv4 addresses2,3042 prefixes · <0.001% of announced IPv4

Rank in United States#5,837largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,768of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21785 in ASN lookup Look up an IP in this network (38.145.32.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

38.145.32.0/21
209.132.181.0/24

IPv6 prefixes

All 1 prefix.

2620:52:6::/48

Other ASNs named Red Hat, Inc.

5 other networks use the same organisation name; together with AS21785 they announce 10,752 IPv4 addresses.

ASNNameIPv4 addresses

AS22753REDHAT-0 - Red Hat, Inc. US5,888

AS22360REDHAT-2 - Red Hat, Inc. US1,024

AS40955REDHAT-DC-BOS2 - Red Hat, Inc. US768

AS399140SINGAPORE-DC - Red Hat, Inc. US512

AS31976REDHAT-0 - Red Hat, Inc. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS6086#5835 INFOMAGIC - MagicNET, Inc2,304

AS14382#5836 ESC13 - Education Service Center2,304

AS54588#5838 EQUINIX-EC-SV - Equinix, Inc.2,304

AS63442#5839 SERVERFARM - ServerFarm Realty2,304

AS393341#5840 SPOKANE-COUNTY - Spokane County2,304

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