Data as of Nov 5, 2026
220.249.51.0/24
1 residential-proxy exit · 30 daysChina Unicom Beijing Province Network · reallocated from China Unicom IP network
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
22 observations
Proxy providers listing exits
- IPRoyal
- NextProxy
- ProxyRack
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 220.249.0.0/18 since Sep 2010 | AS4808 | Residential | 9 1 always on | China Unicom IP network via China Unicom 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 |
|---|---|---|---|---|---|---|
| 220. | 327,680 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 220.249.0.0/18 | 16,384 | UNICOM-BJ | China Unicom Beijing province network | ALLOCATED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-CN |
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 220.249.48.0/21
- Prefix
- 220.249.48.0/21
- Announced by
- AS4808 China Unicom Beijing Province Network
- Type
- Residential
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- UNICOM-BJ
- Registrant
- China Unicom Beijing province network
- RIR
- APNIC
Registry
Holder
- Organization
- China Unicom IP network
- Range
- 220.
248. 0. 0 - 220. 252. 255. 255 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- China Unicom Beijing province network
- Reallocated range
- 220.
249. 0. 0/ 18 - Reallocation type
- ALLOCATED NON-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
220.249.48.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2015
- Current origin since
- Sep 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.249.48.0/21 | AS4808 | /21 | APNIC | RPKI valid |
| 220.249.0.0/18 | AS4808 | /18 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 220.
249. 0. 0/ 18 - Netname
- UNICOM-BJ
- 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
- Apr 28, 2009
- Maintainer
- MAINT-CNCGROUP
- RIR
- APNIC
- Country
- CN
- Delegated
- Feb 28, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP