Data as of Nov 13, 2026
42.121.0.0/16
No anonymizer space · no proxy exits in 30 daysHangzhou Alibaba Advertising Co.,Ltd. · space held by Aliyun Computing Co., LTD
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 42.121.0.0/17 since Mar 2017 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 42.121.128.0/17 since Mar 2017 | AS37963 | Hosting | Aliyun Computing Co., LTD |
Network & registry
Origin network
AS37963
CN
- Name
- Hangzhou Alibaba Advertising Co.,Ltd.
- Type
- Hosting
- Registered
- Mar 8, 2006
- Domain
- alibabagroup.com
- Website
- alibabagroup.com/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2011
- Current origin since
- Sep 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 42.120.0.0/15 | AS37963 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS37963 | APNIC | Addresses from CNNIC | MAINT-CNNIC-AP | Jul 20, 2016 |
Whois
Registration for this announcement
- Range
- 42.
120. 0. 0/ 15 - Netname
- ALISOFT
- Registrant
- Aliyun Computing Co., LTD
- Registrant country
- CN
- Organization
- Aliyun Computing Co., LTD
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Feb 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP