Data as of Nov 10, 2026
101.251.144.0/21
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by Hangzhou Netbank Technologies co.,LTD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 101.251.144.0/20 since Oct 2015 | AS4837 | Residential | Hangzhou Netbank Technologies co.,LTD |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2015
- Current origin since
- Oct 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 101.251.144.0/21 | AS4837 | /21 | APNIC | RPKI valid |
| 101.251.144.0/20 | AS4837 | /20 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 101.
251. 144. 0/ 20 - 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
- Jan 17, 2022
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 9, 2011
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP