AS21664 — AMZN-BYOASN

AS21664 announces 3 IPv4 prefixes covering 768 addresses and 1 IPv6 prefixes.

About this network

AMZN-BYOASN is operated by Amazon.com, Inc.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames AT-89-Z and AMAZO-4 registered to Amazon entities.
• With 768 IPv4 addresses and 1 IPv6 prefix announced against only 2 observed neighbours, the ratio indicates a large-scale internal corporate estate rather than a transit or access network.

Notable

• Registrants align with the announcer, listing Amazon Technologies Inc. and Amazon.com, Inc. for the announced prefixes.
• The inventory consists of three IPv4 /24 blocks and one IPv6 /48, reflecting a finely subdivided internal network structure typical of major cloud providers.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 130.137.68.0/24
• 168.185.4.0/24
• 192.43.184.0/24
• 2605:9cc0:c0c::/48

Upstream networks

• AS16509 Amazon.com, Inc.

Adjacent networks

• AS16509 Amazon.com, Inc.

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 62 ROAs.
• ASPA: 4 authorised providers.
• IRR: 100% of announcements registered; 101 route objects.
• Listed in as-sets: AS-YIPES, AS16509:AS-AMAZON-BYO-AF-SOUTH-1, AS16509:AS-AMAZON-BYO-AP-EAST-1, AS16509:AS-AMAZON-BYO-AP-EAST-2, AS16509:AS-AMAZON-BYO-AP-NORTHEAST-1, AS16509:AS-AMAZON-BYO-AP-NORTHEAST-2, AS16509:AS-AMAZON-BYO-AP-NORTHEAST-3, AS16509:AS-AMAZON-BYO-AP-SOUTH-1, AS16509:AS-AMAZON-BYO-AP-SOUTH-2, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-1, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-2, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-3, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-4, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-5, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-6, AS16509:AS-AMAZON-BYO-AP-SOUTHEAST-7, AS16509:AS-AMAZON-BYO-CA-CENTRAL-1, AS16509:AS-AMAZON-BYO-CA-WEST-1, AS16509:AS-AMAZON-BYO-EU-CENTRAL-1, AS16509:AS-AMAZON-BYO-EU-CENTRAL-2, AS16509:AS-AMAZON-BYO-EU-NORTH-1, AS16509:AS-AMAZON-BYO-EU-SOUTH-1, AS16509:AS-AMAZON-BYO-EU-SOUTH-2, AS16509:AS-AMAZON-BYO-EU-WEST-1, AS16509:AS-AMAZON-BYO-EU-WEST-2.