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Data as of Nov 3, 2026

8.166.0.0/16

No anonymizer space · no proxy exits in 30 days

Hangzhou Alibaba Advertising Co.,Ltd. · space held by Alibaba Cloud (Singapore) Private Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS37963
Type
Hosting

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
8.166.0.0/15
since Sep 2025
AS37963HostingAlibaba Cloud (Singapore) Private Limited
via Aliyun Computing Co.LTD
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
8.166.192.0/23
since Jan 2026
AS37963HostingAlibaba Cloud (Singapore) Private Limited
via Aliyun Computing Co.LTD

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
8.128.0.0/104,194,304ASEPL-SGAlibaba Cloud (Singapore) Private Limited (ORG-ASEP1-AP) · SGALLOCATED PORTABLE—[email protected]
└ 8.160.0.0/112,097,152ALICLOUDAliyun Computing Co.LTDALLOCATED NON-PORTABLE—[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Alibaba Cloud (Singapore) Private Limited
Handle
ORG-ASEP1-AP
Range
8.128.0.0/10
Registration type
ALLOCATED PORTABLE
Reallocated to
Aliyun Computing Co.LTD
Reallocated range
8.160.0.0/11
Reallocation type
ALLOCATED NON-PORTABLE
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