Data as of Nov 12, 2026
43.243.148.0/23
No anonymizer space · no proxy exits in 30 daysChina Unicom Shanghai network · space held by Dr.Peng BigData co.LTD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 43.243.148.0/22 since May 2015 | AS17621 | Residential | Dr.Peng BigData co.LTD |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 43.243.149.0/24 | AS17621 | Residential | Dr.Peng BigData co.LTD |
Network & registry
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
- Nov 2020
- Current origin since
- Nov 2020 · 6.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 43.243.148.0/23 | AS17621 | /23 | APNIC | RPKI valid |
| 43.243.148.0/22 | AS17621 | /22 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 43.
243. 148. 0/ 22 - Netname
- DRPBD
- Registrant
- Dr.Peng BigData co.LTD
- Registrant country
- CN
- Organization
- Dr.Peng BigData co.LTD
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 3, 2026
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 12, 2014
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP