Data as of Nov 5, 2026
211.101.4.0/23
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network · space held by China Internet Network Information Center
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. | 655,360 | CNNIC | China Internet Network Information Center | ALLOCATED PORTABLE | Sep 4, 2008 | ipas@ |
| └ 211.101.0.0/18 | 16,384 | DXTNET | Beijing Teletron Telecom Engineering Co., Ltd. | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.101.4.0/23 | 512 | BJIHWIDC | The Subnet of IHW Network | ASSIGNED NON-PORTABLE | — | ipas@ via DXTNET |
| └ 211.101.5.0/25 | 128 | LI-MA-WEN-HUA | Beijing LI-MA-WEN-HUA CO.LTD | ASSIGNED NON-PORTABLE | — | ipas@ via BJIHWIDC |
| └ 211.101.5.128/25 | 128 | JIN-ZHENG-SHANG-WANG | Beijing JIN-Zheng-Shang-Wang CO.LTD | ASSIGNED NON-PORTABLE | — | ipas@ via BJIHWIDC |
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
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 256 | 50% | 2 | |
| Residential | 256 | 50% | 1 |
Network & registry
Announced by
Covering announcement 211.101.0.0/19
- Prefix
- 211.101.0.0/19
- Announced by
- AS4808 China Unicom Beijing Province Network
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- DXTNET
- Registrant
- Beijing Teletron Telecom Engineering Co., Ltd.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- China Internet Network Information Center
- Range
- 211.
94. 0. 0 - 211. 103. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4808
CN
- Name
- China Unicom Beijing Province Network
- Type
- Internet provider
- Registered
- Jan 9, 1996
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 211.101.0.0/19
211.101.0.0/19
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 3
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.101.0.0/18 | AS4808 | /19 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 211.
101. 0. 0/ 18 - Netname
- DXTNET
- Registrant
- Beijing Teletron Telecom Engineering Co., Ltd.
- Registrant country
- CN
- Organization
- Beijing Teletron Telecom Engineering 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
- Dec 14, 1999
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP