Data as of Nov 10, 2026
40.72.0.0/17
No anonymizer space · no proxy exits in 30 daysShanghai Blue Cloud Technology Co.,Ltd
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 40.72.0.0/17 | /24s |
|---|---|---|---|
| Symantec Cloud SWG | Broadcom | 320.10% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 40.72.0.0/16 since Mar 2016 | AS58593 | Hosting | Shanghai Blue Cloud Technology Co.,Ltd | |
| 40.72.0.0/15 since Mar 2017 | 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
32,768 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 32,736 | >99% | 2 | |
| Corporate gateway | 32 | 0.10% | 2 |
Network & registry
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
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 |
|---|---|---|---|---|
| 40.72.0.0/17 | AS58593 | /32 | APNIC | RPKI valid |
| 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 |
Whois
Registration for this announcement
- Range
- 40.
72. 0. 0/ 15 - Netname
- BLUECLOUD
- Registrant
- Shanghai Blue Cloud Technology Co.,Ltd
- Registrant country
- CN
- Organization
- Shanghai Blue Cloud Technology Co.,Ltd
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 17, 2024
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Feb 23, 2015
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP