LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

149.129.18.0/23

No anonymizer space · no proxy exits in 30 days

Alibaba (US) Technology Co., Ltd. · space held by Alibaba Cloud (Singapore) Private Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS45102
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
149.129.16.0/22
since Jan 2026
AS45102HostingAlibaba Cloud (Singapore) Private Limited
via Alibaba US

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
149.129.0.0/1665,536ASEPL-SGAlibaba Cloud (Singapore) Private Limited (ORG-ASEP1-AP) · SGALLOCATED PORTABLE—[email protected]
└ 149.129.0.0/1816,384ALICLOUD-USAlibaba USALLOCATED 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
149.129.0.0/16
Registration type
ALLOCATED PORTABLE
Reallocated to
Alibaba US
Reallocated range
149.129.0.0/18
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS45102

CN
Name
Alibaba (US) Technology Co., Ltd.
Type
Hosting
Registered
Feb 1, 2008
Domain
alibabagroup.com
Website
alibabagroup.com/
Industry
Software Development
Spamhaus ASN-DROP
not listed