AS21664 Amazon.com, Inc.

AMZN-BYOASN - Amazon.com, Inc. · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,221largest network in US by IPv4 space, of 18,338 · <0.01% of US

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

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21664 in ASN lookup Look up an IP in this network (130.137.68.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

130.137.68.0/24
168.185.4.0/24
192.43.184.0/24

IPv6 prefixes

All 1 prefix.

2605:9cc0:c1c::/48

Other ASNs named Amazon.com, Inc.

4 other networks use the same organisation name; together with AS21664 they announce 178,989,054 IPv4 addresses.

ASNNameIPv4 addresses

AS16509AMAZON-02 - Amazon.com, Inc. US157,393,150

AS14618AMAZON-AES - Amazon.com, Inc. US21,573,120

AS7224AMAZON-AS - Amazon.com, Inc. US20,992

AS36263AWS-EVENTS - Amazon.com, Inc. US1,024

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AS23099#9222 SPR - DM Petroleum Operations Company768

AS23389#9223 CAMPBELL-SCIENTIFIC - Campbell Scientific, Inc.768

AS26329#9224 INSERVER-NETWORKS - InServer Networks768

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