Data as of Nov 8, 2026
51.85.0.0/16
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by A100 ROW Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 51.84.0.0/14 since Dec 2024 | AS16509 | Hosting | A100 ROW Inc |
Network & registry
Origin network
AS16509
US
- Name
- Amazon.com, Inc.
- Type
- Hosting
- Registered
- May 4, 2000
- Domain
- amazon.com
- Website
- www.amazon.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 294
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2024
- Current origin since
- Feb 2024 · 2.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.85.0.0/16 | AS16509 | /16 | RIPE | RPKI valid |
| 51.84.0.0/14 | AS16509 | /14 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16509 | RADB | Amazon EC2 TLV Prefix | MAINT-AS16509 | Feb 21, 2024 |
Whois
Registration for this announcement
- Range
- 51.
84. 0. 0 - 51. 88. 255. 255 - Netname
- US-A100ROW-19930901
- Registrant
- A100 ROW Inc
- Registrant country
- US
- Organization
- A100 ROW Inc (ORG-ARI3-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Feb 16, 2018
- Updated
- Apr 20, 2026
- Maintainer
- MNT-ADSI
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon Web Services Abuse
- Handle
- AWSA3-RIPE