Data as of Nov 3, 2026
210.22.77.72/30
No anonymizer space · no proxy exits in 30 daysChina Unicom Shanghai network · space held by China Unicom IP network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.22.64.0/18 since May 2005 | AS17621 | Residential | 65 2 always on | China Unicom IP network via shanghai branch, china netcom |
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 |
|---|---|---|---|---|---|---|
| 210.21.0.0 - 210.22.255.255 | 131,072 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | [email protected] |
| └ 210.22.0.0/16 | 65,536 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | [email protected] |
| └ 210.22.64.0 - 210.22.191.255 | 32,768 | CNCNET-SH | shanghai branch, china netcom | ALLOCATED NON-PORTABLE | — | [email protected] via UNICOM-CN |
| └ 210.22.77.72/30 | 4 | kaishengyingye | kaishengyingye | ASSIGNED NON-PORTABLE | — | [email protected] via CNCNET-SH |
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 210.22.64.0/20
- Prefix
- 210.22.64.0/20
- Announced by
- AS17621 China Unicom Shanghai network
- Type
- Residential
- Proxy exits
- 17
- RPKI
- RPKI valid
- Netname
- CNCNET-SH
- Registrant
- shanghai branch, china netcom
- RIR
- APNIC
Registry
Holder
- Organization
- China Unicom IP network
- Range
- 210.21.0.0 - 210.22.255.255
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- shanghai branch, china netcom
- Reallocated range
- 210.22.64.0 - 210.22.191.255
- Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS17621
CN
- Name
- China Unicom Shanghai network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Website
- www.chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
210.22.64.0/20
Routing history
- Pattern
- Stable
- First seen
- Dec 2013
- Current origin since
- Dec 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.22.64.0/20 | AS17621 | /20 | APNIC | RPKI valid |
| 210.22.64.0/18 | AS17621 | /18 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 210.22.64.0 - 210.22.191.255
- Netname
- CNCNET-SH
- Registrant
- shanghai branch, china netcom
- Registrant country
- CN
- Organization
- shanghai branch, china netcom
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 5, 2008
- Maintainer
- MAINT-CNCGROUP
- RIR
- APNIC
- Country
- CN
- Delegated
- Oct 17, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CUCN
- Handle
- AC1718-AP