Data as of Nov 5, 2026
211.100.244.48/28
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network · space held by China Internet Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 211.100.224.0/19 since Aug 2016 | AS4808 | Residential | 3 | 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@ |
| └ 211.100.224.0/19 | 8,192 | DXTNET | Beijing Teletron Telecom Engineering Co., Ltd. | ALLOCATED PORTABLE | — | ipas@ |
| 211.100.244.48/28 under 211. | 16 | YU-TONG | Beijing YU-Tong Networking CO.LTD | ASSIGNED NON-PORTABLE | — | ipas@ via 211.100.239.128 - 211.100.245.143 |
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
Announced by
Covering announcement 211.100.240.0/20
- Prefix
- 211.100.240.0/20
- 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
Covering aggregate above, the prefix's own history below
211.100.240.0/20
Routing history
- Pattern
- Rotating
- First seen
- May 2008
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 2
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.100.224.0/19 | AS4808 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 211.
100. 224. 0/ 19 - 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