Data as of Nov 9, 2026
211.144.205.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Shanghai network · space held by China Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.144.200.0/21 since Oct 2024 | AS17621 | Residential | China Network Information Center |
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 211.144.0.0/15 | 131,072 | CNNIC | China Network Information Center | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.144.192.0/19 | 8,192 | DSNET | Shanghai Data Solution Co., Ltd. | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.144.192.0/20 | 4,096 | DSNET | Shanghai Data Solution Co., Ltd. | ALLOCATED PORTABLE | — | ipas@ |
Network & registry
IPv4 market
Holder
- Organization
- China Network Information Center
- Range
- 211.
144. 0. 0/ 15 - Registration type
- ALLOCATED PORTABLE
Origin network
AS17621
CN
- Name
- China Unicom Shanghai network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Website
- www.chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2014
- Current origin since
- Oct 2017 · 9.1 yr
- Origin networks
- 2
- Last change of origin
- Oct 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.144.192.0/20 | AS17621 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 211.
144. 192. 0/ 20 - Netname
- DSNET
- Registrant
- Shanghai Data Solution Co., Ltd.
- Registrant country
- CN
- Organization
- Shanghai Data Solution Co., Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 28, 2024
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 23, 2001
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP