Home Prefix Lookup99.77.128.0/17

99.77.128.0/17 - Amazon.Com (AS16509)

IPv4ARINallocatedAS16509AMAZON-02 - Amazon.com, Inc. RPKI Valid

CIDR

99.77.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Ashburn

RIR

ARIN

Status

allocated

Allocated

2018-01-10

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
99.77.128.0/17	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12

More-Specific Announcements

61 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
99.77.128.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.129.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.130.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.131.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.132.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.133.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.134.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.135.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.136.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.137.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.138.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.139.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.140.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.141.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.142.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.143.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.144.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.145.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.148.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.149.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.150.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.151.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.152.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.153.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.154.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.155.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.156.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.157.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.158.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.159.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.160.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.161.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.162.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.163.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.183.0/24	AS8987 GOVCLOUD - Amazon	Valid	-	2026-10-12
99.77.184.0/24	AS8987 GOVCLOUD - Amazon	Valid	-	2026-10-12
99.77.186.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.187.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.188.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.189.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.190.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.191.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.232.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.233.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.234.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.235.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.238.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.239.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.240.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.242.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.244.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.245.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.246.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.247.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.248.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.249.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.250.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.251.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.252.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.253.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
99.77.254.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
99.77.128.0/17	AS16509	/17	arin

Transfer History

Registry transfers of 99.77.128.0/17, blocks inside it, or blocks containing it.

99.77.128.0/17Transfer · 2018-01-10
AT&T Internet Services
🇺🇸 US ARIN
→
Amazon.com, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-01-10	99.77.128.0/17	AT&T Internet Services 🇺🇸 US ARIN	Amazon.com, Inc. 🇺🇸 US ARIN	Transfer

Origin ASN

AS16509

AMAZON-02 - Amazon.com, Inc.

Related Prefixes

More prefixes of AS16509

All prefixes of AS16509 →

Geolocation

Country🇺🇸United StatesUS

CityAshburn

Coordinates39.0438, -77.4874 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/99.77.128.0/17

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/99.77.128.0/17" | jq

External Links

RIPEstat