Data as of Nov 8, 2026
37.221.72.0/24
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by Unzer Group GmbH
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.221.72.0/22 | 1,024 | DE-UNZER-20181112 | Unzer Group GmbH (ORG-HSG12-RIPE) · DE | ALLOCATED PA | Nov 12, 2018 | abuse@ |
| └ 37.221.72.0/24 | 256 | unzer-aws-eu-c1-pool1 | Unzer Group GmbH (ORG-HSG12-RIPE) · DE | ASSIGNED PA | Nov 6, 2023 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Unzer Group GmbH
- Handle
- ORG-HSG12-RIPE
- Range
- 37.
221. 72. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Nov 12, 2018
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2020
- Current origin since
- Oct 2020 · 6.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.221.72.0/24 | AS16509 | /24 | RIPE | RPKI valid |
| 37.221.72.0/22 | AS14618 | /24 | RIPE | Another network |
| 37.221.72.0/22 | AS16509 | /24 | RIPE | RPKI valid |
| 37.221.72.0/22 | AS208089 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 37.
221. 72. 0/ 24 - Netname
- unzer-aws-eu-c1-pool1
- Registrant
- Unzer Group GmbH
- Registrant country
- DE
- Organization
- Unzer Group GmbH (ORG-HSG12-RIPE)
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- Nov 6, 2023
- Updated
- Nov 6, 2023
- Maintainer
- unzer-de-mnt
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Nov 12, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
unzer. com - Name
- Abuse-C Role
- Handle
- AR48523-RIPE