Data as of Nov 14, 2026
219.142.76.0/24
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange · space held by Data Communication Division
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 219.142.0.0/16 since May 2005 | AS4847 | Residential | 549 28 always on | Data Communication Division via CHINANET Beijing Province Network |
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 |
|---|---|---|---|---|---|---|
| 219. | 1,703,936 | CHINANET-CN | Data Communication Division | ALLOCATED PORTABLE | — | anti-spam@ |
| └ 219. | 163,840 | CHINATELECOM-BJ | CHINANET Beijing Province Network | ALLOCATED NON-PORTABLE | — | anti-spam@ via CHINANET-CN |
| └ 219.142.0.0/17 | 32,768 | CNCITYNET | Beijing Kuanjie Net communication technology Ltd | ASSIGNED NON-PORTABLE | — | anti-spam@ |
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 219.142.0.0/17
- Prefix
- 219.142.0.0/17
- Announced by
- AS4847 China Networks Inter-Exchange
- Type
- Residential
- Proxy exits
- 297
- Always-on exits
- 27
- RPKI
- RPKI valid
- Netname
- CNCITYNET
- Registrant
- Beijing Kuanjie Net communication technology Ltd
- RIR
- APNIC
Registry
Holder
- Organization
- Data Communication Division
- Range
- 219.
128. 0. 0 - 219. 153. 255. 255 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- CHINANET Beijing Province Network
- Reallocated range
- 219.
141. 128. 0 - 219. 143. 255. 255 - Reallocation type
- ALLOCATED NON-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
219.142.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Jul 2005
- Current origin since
- Jul 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 219.142.0.0/17 | AS4847 | /17 | APNIC | RPKI valid |
| 219.142.0.0/16 | AS4847 | /16 | APNIC | Too specific |
IRR
Route objects on 219.142.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4847 | RADB | BJTELECOM | MAINT-AS4847 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 219.
142. 0. 0/ 17 - Netname
- CNCITYNET
- Registrant
- Beijing Kuanjie Net communication technology Ltd
- Registrant country
- CN
- Organization
- Beijing Kuanjie Net communication technology Ltd
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 18, 2022
- Maintainer
- MAINT-CHINANET-BJ
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 21, 2002
- Status
- assigned
Report abuse
Abuse contact
- anti-spam@
chinatelecom. cn - Name
- ABUSE CHINANETCN
- Handle
- AC1573-AP