Data as of Nov 15, 2026
170.33.36.0/22
No anonymizer space · no proxy exits in 30 daysAlibaba Cloud (Singapore) Private Limited
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 |
|---|---|---|---|---|---|---|
| 170.33.0.0/16 | 65,536 | ASEPL-SG | Alibaba Cloud (Singapore) Private Limited (ORG-ASEP1-AP) · SG | ALLOCATED PORTABLE | — | abuse@ |
| └ 170.33.32.0/21 | 2,048 | ALICLOUD | Aliyun Computing Co, LTD | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 170.33.32.0/21
- Prefix
- 170.33.32.0/21
- Announced by
- AS134963 Alibaba Cloud (Singapore) Private Limited
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- ALICLOUD
- Registrant
- Aliyun Computing Co, LTD
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Alibaba Cloud (Singapore) Private Limited
- Handle
- ORG-ASEP1-AP
- Range
- 170.
33. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Aliyun Computing Co, LTD
- Reallocated range
- 170.
33. 32. 0/ 21 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS134963
SG
- Name
- Alibaba Cloud (Singapore) Private Limited
- Type
- Hosting
- Registered
- Dec 9, 2015
- Domain
- alibabacloud.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 170.33.32.0/21
170.33.32.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2018
- Current origin since
- Jan 2018 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 170.33.0.0/16 | AS45102 | /24 | APNIC | Another network |
| 170.33.0.0/16 | AS134963 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 170.
33. 32. 0/ 21 - Netname
- ALICLOUD
- Registrant
- Aliyun Computing Co, LTD
- Registrant country
- DE
- Organization
- Aliyun Computing Co, LTD
- Org country
- DE
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Apr 14, 2021
- Maintainer
- MAINT-ASEPL-SG
- RIR
- APNIC
- Country
- SG
- Delegated
- Feb 3, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
alibaba-inc. com - Name
- ABUSE ASEPLSG
- Handle
- AA1926-AP