Data as of Nov 12, 2026
211.153.44.0/22
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 211.153.0.0/17 since Nov 2017 | AS4847 | Residential | 1 |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 211. | 221,184 | CNNIC | unknown | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.153.0.0/16 | 65,536 | BITCC | Beijing International Technology Cooperation Center Co.,Ltd | ALLOCATED PORTABLE | — | liyao@ |
| └ 211. | 512 | HDnet | The HanDian committee network is a large educational unit in Beijing area | ASSIGNED NON-PORTABLE | — | liyao@ via BITCC |
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
IPv4 market
Holder
- Organization
- Not stated by the registry
- Range
- 211.
152. 0. 0 - 211. 155. 95. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4847
CN
- Name
- China Networks Inter-Exchange
- Type
- Internet provider
- Registered
- Sep 10, 1996
- Domain
- bta.net.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
- Dec 2014
- Current origin since
- Oct 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Oct 2015
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.153.44.0/22 | AS4847 | /22 | APNIC | RPKI valid |
| 211.153.0.0/17 | AS4847 | /17 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4847 | RADB | regist for user | MAINT-AS4847 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 211.
153. 0. 0/ 16 - Netname
- BITCC
- Registrant
- Beijing International Technology Cooperation Center Co.,Ltd
- Registrant country
- CN
- Organization
- Beijing International Technology Cooperation Center Co.,Ltd
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 4, 2025
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jun 27, 2000
- Status
- assigned
Report abuse
Abuse contact
- liyao@
bitcc. com. cn - Name
- IRT-BITCC-CN
- Handle
- IRT-BITCC-CN