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Data as of Nov 10, 2026

40.72.0.0/15

No anonymizer space

Shanghai Blue Cloud Technology Co.,Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS58593
Type
Hosting
>99% of it

Operators, sellers and brokers

Corporate gateways

NameParentIn 40.72.0.0/15/24s
Symantec Cloud SWGBroadcom
320.02%
1

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorHolderRPKI
40.72.0.0/16
since Mar 2016
AS58593HostingShanghai Blue Cloud Technology Co.,Ltd
40.72.0.0/17
since Mar 2016
AS58593HostingCorporate gatewaysoperated by Symantec Cloud SWGShanghai Blue Cloud Technology Co.,Ltd
40.72.128.0/17
since Mar 2016
AS58593HostingShanghai Blue Cloud Technology Co.,Ltd
40.73.0.0/17
since Mar 2017
AS58593HostingShanghai Blue Cloud Technology Co.,Ltd
40.73.128.0/17
since Mar 2017
AS58593HostingShanghai Blue Cloud Technology Co.,Ltd

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Hosting131,040>99%5
Corporate gateway320.02%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS58593

CN
Name
Shanghai Blue Cloud Technology Co.,Ltd
Type
Hosting
Registered
May 4, 2012
Domain
21vbluecloud.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed