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AS16509
AS16509 Amazon.com, Inc.
AMAZON-02 - Amazon.com, Inc. · registered in the United States
IPv4 addresses 157,393,150 7,939 prefixes · 5.023% of announced IPv4
Rank in United States #2 largest network in US by IPv4 space, of 18,338 · 11.55% of US
Rank worldwide #2 of 79,396 networks with IPv4
IPv6 966 x /32 (63,348,627 x /48) 7,955 prefixes
Other ASNs named Amazon.com, Inc.
4 other networks use the same organisation name; together with AS16509 they announce 178,989,054 IPv4 addresses.
ASN Name IPv4 addresses
AS14618 AMAZON-AES - Amazon.com, Inc. US 21,573,120
AS7224 AMAZON-AS - Amazon.com, Inc. US 20,992
AS36263 AWS-EVENTS - Amazon.com, Inc. US 1,024
AS21664 AMZN-BYOASN - Amazon.com, Inc. US 768
Similar-sized networks in United States
ASN Name IPv4 addresses
AS749 #1 DNIC-AS-00749 - United States Department of Defense (DoD)222,038,272
AS7018 #3 ATT-INTERNET4 - AT&T Enterprises, LLC90,002,688
AS8075 #4 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation80,749,056
AS7922 #5 COMCAST-7922 - Comcast Cable Communications, LLC42,195,200
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