Data as of Nov 5, 2026
221.220.48.0/22
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.220.0.0/18 since Aug 2007 | AS4808 | Residential | 20 | China Unicom Beijing province network | |
| 221.220.0.0/16 since Jul 2006 | AS4808 | Residential | 104 4 always on | China Unicom Beijing province network | |
| 221.216.0.0/13 since Aug 2007 | AS4808 | Residential | 1,997 74 always on | China Unicom Beijing province network |
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 |
|---|---|---|---|---|---|---|
| 221.216.0.0/13 | 524,288 | UNICOM-BJ | China Unicom Beijing province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 221.220.48.0/22 | 1,024 | CHINAUNICOM | China Unicom Beijing province network | ALLOCATED NON-PORTABLE | — | hqs-ipabuse@ |
Network & registry
Registry
Holder
- Organization
- China Unicom Beijing province network
- Range
- 221.
216. 0. 0/ 13 - 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
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2011
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.220.48.0/22 | AS4808 | /22 | APNIC | RPKI valid |
| 221.220.0.0/18 | AS4808 | /18 | APNIC | Too specific |
| 221.220.0.0/16 | AS4808 | /16 | APNIC | Too specific |
| 221.216.0.0/13 | AS4808 | /13 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4808 | APNIC | China Unicom Beijing province network | MAINT-CNCGROUP-BJ | Jun 25, 2021 |
Whois
Registration for this announcement
- Range
- 221.
220. 48. 0/ 22 - Netname
- CHINAUNICOM
- Registrant
- China Unicom Beijing province network
- Registrant country
- CN
- Organization
- China Unicom Beijing province network
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 15, 2021
- Maintainer
- MAINT-CNCGROUP-BJ
- RIR
- APNIC
- Country
- CN
- Delegated
- Nov 19, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP