Data as of Nov 13, 2026
121.42.0.0/16
No anonymizer space · no proxy exits in 30 daysHangzhou Alibaba Advertising Co.,Ltd. · space held by Aliyun Computing Co., LTD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.42.0.0/15 since May 2017 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 121.40.0.0/14 since Jun 2014 | AS37963 | Hosting | Aliyun Computing Co., LTD |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.42.0.0/17 since Nov 2021 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 121.42.0.0/18 since Jul 2014 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 121.42.64.0/18 since Jul 2014 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 121.42.128.0/17 since Nov 2021 | AS37963 | Hosting | Aliyun Computing Co., LTD | |
| 121.42.130.0/23 since Mar 2026 | 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Aug 2006
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 3
- Last change of origin
- Nov 2021
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.40.0.0/14 | AS37963 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS37963 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 9, 2026 |
Whois
Registration for this announcement
- Range
- 121.
40. 0. 0/ 14 - 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
- May 24, 2006
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP