Data as of Nov 8, 2026
211.154.172.0/22
No anonymizer space · no proxy exits in 30 daysBeijing Dian-Xin-Tong Network Technologies Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 211.154.160.0/20 since Sep 2019 | AS4847 | Residential |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 211. | 221,184 | CNNIC | unknown | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.154.160.0/20 | 4,096 | DRPBD | Dr.Peng BigData co.LTD | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.154.172.0/22 | 1,024 | NBLnet | BeiJing New-Billion Telecom Technology Co.,Ltd | ALLOCATED NON-PORTABLE | — | ipas@ |
| └ 211.154.174.0/24 | 256 | CENTEKNET | CENTEKNET Access Network | ASSIGNED NON-PORTABLE | — | ipas@ via NBLnet |
| └ 211.154.175.0/24 | 256 | CENTEKNET | CENTEKNET Access Network | ASSIGNED NON-PORTABLE | — | ipas@ via NBLnet |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 512 | 50% | 2 | |
| Unknown | 512 | 50% | 1 |
Network & registry
Announced by
Covering announcement 211.154.168.0/21
- Prefix
- 211.154.168.0/21
- Announced by
- AS17964 Beijing Dian-Xin-Tong Network Technologies Co., Ltd.
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- DRPBD
- Registrant
- Dr.Peng BigData co.LTD
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Not stated by the registry
- Range
- 211.
152. 0. 0 - 211. 155. 95. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS17964
CN
- Name
- Beijing Dian-Xin-Tong Network Technologies Co., Ltd.
- Type
- Internet provider
- Registered
- Sep 25, 2001
- Domain
- drpeng.com.cn
- Website
- www.drpeng.com.cn/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
211.154.168.0/21
Routing history
- Pattern
- Stable
- First seen
- Mar 2016
- Current origin since
- Sep 2017 · 9.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.154.168.0/21 | AS17964 | /21 | APNIC | RPKI valid |
| 211.154.160.0/20 | AS4847 | /20 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 211.
154. 160. 0/ 20 - 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 5, 2026
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jun 27, 2000
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP