Data as of Nov 8, 2026
121.52.224.0/19
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by Hangzhou Netbank Technologies co.,LTD
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 |
|---|---|---|---|---|---|---|
| 121.52.224.0/19 | 8,192 | NXIDC | Hangzhou Netbank Technologies co.,LTD | ALLOCATED PORTABLE | — | ipas@ |
| └ 121. | 6,144 | NXIDC | Hangzhou Netbank Technologies co.,LTD | ALLOCATED NON-PORTABLE | — | ipas@ via NXIDC |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Origin network
AS4837
CN
- Name
- CHINA UNICOM China169 Backbone
- Type
- Internet provider
- Registered
- Sep 17, 2001
- Domain
- chinaunicom.cn
- Website
- www.chinaunicom.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2011
- Current origin since
- Dec 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.52.224.0/19 | AS4837 | /19 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 121.
52. 224. 0/ 19 - Netname
- NXIDC
- Registrant
- Hangzhou Netbank Technologies co.,LTD
- Registrant country
- CN
- Organization
- Hangzhou Netbank Technologies co.,LTD
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Nov 7, 2007
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP