Data as of Nov 10, 2026

40.72.0.0/16

No anonymizer space · no proxy exits in 30 days

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

Name	Parent	In 40.72.0.0/16	/24s
Symantec Cloud SWG	Broadcom	320.05%	1

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Holder	RPKI
40.72.0.0/15 since Mar 2017	AS58593	Hosting	Shanghai Blue Cloud Technology Co.,Ltd

More specific

Announcements inside

Prefix	Origin	Type	Operator	Holder	RPKI
40.72.0.0/17 since Mar 2016	AS58593	Hosting	Corporate gatewaysoperated by Symantec Cloud SWG	Shanghai Blue Cloud Technology Co.,Ltd
40.72.128.0/17 since Mar 2016	AS58593	Hosting		Shanghai 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

65,536 addresses

Type	Addresses	Share	Ranges
Hosting	65,504	>99%	3
Corporate gateway	32	0.05%	2

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Mar 2016
Current origin since: Mar 2016 · 11 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
40.72.0.0/16	AS58593	/32	APNIC	RPKI valid
40.72.0.0/15	AS58593	/32	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS58593	RADB	Microsoft China	MAINT-AS8075	Nov 13, 2023