Data as of Nov 8, 2026
51.60.226.0/23
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by A100 ROW Inc
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 51.60.0.0/16 | 65,536 | US-A100ROW-199300901 | A100 ROW Inc (ORG-ARI3-RIPE) · US | ALLOCATED PA | Jan 6, 2021 | trustandsafety@ |
| └ 51.60.226.0/23 | 512 | UK-DWP | unknown | ASSIGNED PA | Oct 6, 2016 | trustandsafety@ via US-A100ROW-199300901 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 51.60.0.0/16
- Prefix
- 51.60.0.0/16
- Announced by
- AS16509 Amazon.com, Inc.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- US-A100ROW-199300901
- Registrant
- A100 ROW Inc
- RIR
- RIPE NCC
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
Who has announced 51.60.0.0/16
51.60.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Dec 2024
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.60.0.0/16 | AS16509 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 51.
60. 0. 0/ 16 - Netname
- US-A100ROW-199300901
- Registrant
- A100 ROW Inc
- Registrant country
- DE
- Organization
- A100 ROW Inc (ORG-ARI3-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Jan 6, 2021
- Updated
- Aug 23, 2022
- Maintainer
- RIPE-NCC-HM-MNT
- 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