Data as of Nov 10, 2026
47.244.166.0/23
No anonymizer space · no proxy exits in 30 daysAlibaba (US) Technology Co., Ltd. · space held by Alibaba Cloud LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 47.244.0.0/16 since Jul 2018 | AS45102 | Hosting | Alibaba Cloud LLC |
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 |
|---|---|---|---|---|---|---|
| 47. | 786,432 | AL-3 | Alibaba Cloud LLC (AL-3) · US | Direct Allocation | Apr 15, 2016 | intl-abuse@ |
| └ 47.244.0.0/16 | 65,536 | ALIBABA CLOUD - HK | Alibaba Cloud - HK (C07026927) · CN | Reassigned | Jul 23, 2018 | intl-abuse@ via AL-3 |
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 47.244.128.0/17
- Prefix
- 47.244.128.0/17
- Announced by
- AS45102 Alibaba (US) Technology Co., Ltd.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- ALIBABA CLOUD - HK
- Registrant
- Alibaba Cloud - HK
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Alibaba Cloud LLC
- Handle
- AL-3
- Range
- 47.
235. 0. 0 - 47. 246. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 15, 2016
Origin network
AS45102
CN
- Name
- Alibaba (US) Technology Co., Ltd.
- Type
- Hosting
- Registered
- Feb 1, 2008
- 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
47.244.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Mar 2019
- Current origin since
- Mar 2019 · 7.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 47.244.0.0/16 | AS45102 | /24 | ARIN | RPKI valid |
| 47.244.0.0/16 | AS134963 | /24 | ARIN | Another network |
IRR
Route objects on 47.244.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS45102 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Dec 22, 2016 |
Whois
Registration for this announcement
- Range
- 47.
244. 0. 0/ 16 - Netname
- ALIBABA CLOUD - HK
- Registrant
- Alibaba Cloud - HK
- Organization
- Alibaba Cloud - HK (C07026927)
- Type
- Reassigned
- Handle
- NET-47-244-0-0-1
- Parent
- NET-47-235-0-0-1
- Created
- Jul 23, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 15, 2016
- Status
- assigned
Report abuse
Abuse contact
- intl-abuse@
list. alibaba-inc. com - Name
- Network Abuse
- Phone
- +1-408-785-5580
- Handle
- NETWO4028-ARIN