Home Prefix Lookup199.204.211.0/24

199.204.211.0/24 - Amazon.Com (AS16509)

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

CIDR

199.204.211.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Santa Barbara

RIR

ARIN

Status

allocated

Allocated

2026-01-15

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
199.204.211.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	ARINOther IRR	2026-10-15

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
199.204.211.0/24	AS14618	/24	arin
199.204.211.0/24	AS16509	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS14618	ARIN	MNT-RNS-93	2026-01-16
AS16509	ARIN	MNT-RNS-93	2026-01-16
AS16509	Other IRR	MAINT-AS16509	2026-01-16

Transfer History

Registry transfers of 199.204.211.0/24, blocks inside it, or blocks containing it.

199.204.211.0/24Transfer · 2021-09-07
Dynamic ASP Inc.
🇨🇦 CA ARIN
→
Cloud A
🇨🇦 CA ARIN

Date	Resource	From	To	Type
2021-09-07	199.204.211.0/24	Dynamic ASP Inc. 🇨🇦 CA ARIN	Cloud A 🇨🇦 CA ARIN	Transfer

Origin ASN

AS16509

AMAZON-02 - Amazon.com, Inc.

Related Prefixes

More prefixes of AS16509

All prefixes of AS16509 →

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CitySanta Barbara

Coordinates34.4203, -119.6990 ↗

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/199.204.211.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/199.204.211.0/24" | jq

External Links

RIPEstat