Data as of Nov 6, 2026
47.91.128.0/18
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 |
|---|---|---|---|---|
| 47.91.128.0/17 since Nov 2016 | AS45102 | Hosting | Alibaba Cloud LLC |
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 |
|---|---|---|---|---|---|---|
| 47.88.0.0/14 | 262,144 | AL-3 | Alibaba Cloud LLC (AL-3) · US | Direct Allocation | May 18, 2015 | intl-abuse@ |
| └ 47.91.128.0/17 | 32,768 | ALIBABA CLOUD - HK | Alibaba Cloud - HK (C06961503) · CN | Reassigned | Apr 20, 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
IPv4 market
Holder
- Organization
- Alibaba Cloud LLC
- Handle
- AL-3
- Range
- 47.
88. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- May 18, 2015
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
Summary
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 |
|---|---|---|---|---|
| 47.91.0.0/16 | AS45102 | /24 | ARIN | RPKI valid |
| 47.91.0.0/16 | AS134963 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 47.91.128.0/19 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.128.0/20 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.128.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.128.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.128.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.128.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.129.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.130.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.130.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.131.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.132.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.132.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.132.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.133.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.134.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.134.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.135.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.136.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.136.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.136.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.136.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.137.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.138.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.138.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.139.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.140.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.140.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.140.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.141.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.142.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.142.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.143.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.144.0/20 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.144.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.144.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.144.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.144.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.145.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.146.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.146.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.147.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.148.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.148.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.148.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.149.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.150.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.150.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.151.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.152.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.152.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.152.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.152.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.153.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.154.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.154.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.155.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.156.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.156.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.156.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.157.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.158.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.158.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.159.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.160.0/19 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.160.0/20 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.160.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.160.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.160.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.160.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.161.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.162.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.162.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.163.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.164.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.164.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.164.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.165.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.166.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.166.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.167.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.168.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.168.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.168.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.168.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.169.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.170.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.170.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.171.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.172.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.172.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.172.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.173.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.174.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.174.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.175.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.176.0/20 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.176.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.176.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.176.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.176.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.177.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.178.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.178.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.179.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.180.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.180.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.180.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.181.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.182.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.182.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.183.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.184.0/21 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.184.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.184.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.184.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.185.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.186.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.186.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.187.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.188.0/22 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.188.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.188.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.189.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.190.0/23 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 17, 2026 |
| 47.91.190.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
| 47.91.191.0/24 | AS45102 | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD | Mar 16, 2026 |
Whois
Registration for this announcement
- Range
- 47.
91. 128. 0/ 17 - Netname
- ALIBABA CLOUD - HK
- Registrant
- Alibaba Cloud - HK
- Organization
- Alibaba Cloud - HK (C06961503)
- Type
- Reassigned
- Handle
- NET-47-91-128-0-1
- Parent
- NET-47-88-0-0-1
- Created
- Apr 20, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 2015
- Status
- assigned
Report abuse
Abuse contact
- intl-abuse@
list. alibaba-inc. com - Name
- Network Abuse
- Phone
- +1-408-785-5580
- Handle
- NETWO4028-ARIN