Data as of Nov 13, 2026
218.104.217.4/30
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM Industrial Internet Backbone · space held by China Unicom IP network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 218.104.128.0/17 since May 2005 | AS9929 | Internet provider | 80 6 always on | China Unicom IP 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 |
|---|---|---|---|---|---|---|
| 218.104.0.0/14 | 262,144 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 218.104.216.0/21 | 2,048 | UNICOM-SC | China Unicom SiChuan province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 218.104.217.4/30 | 4 | DUDU-NETBAR | mianyang city | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SC |
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 218.104.216.0/21
- Prefix
- 218.104.216.0/21
- Announced by
- AS9929 CHINA UNICOM Industrial Internet Backbone
- Type
- Internet provider
- Proxy exits
- 2
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- UNICOM-SC
- Registrant
- China Unicom SiChuan province network
- RIR
- APNIC
IPv4 market
Holder
- Organization
- China Unicom IP network
- Range
- 218.
104. 0. 0/ 14 - Registration type
- ALLOCATED PORTABLE
Origin network
AS9929
CN
- Name
- CHINA UNICOM Industrial Internet Backbone
- Type
- Internet provider
- Registered
- Apr 5, 2000
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
218.104.216.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.104.216.0/21 | AS9929 | /21 | APNIC | RPKI valid |
| 218.104.128.0/17 | AS9929 | /17 | APNIC | Too specific |
IRR
Route objects on 218.104.216.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9929 | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
Whois
Registration for this announcement
- Range
- 218.
104. 216. 0/ 21 - Netname
- UNICOM-SC
- Registrant
- China Unicom SiChuan province network
- Registrant country
- CN
- Organization
- China Unicom SiChuan province network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 22, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 19, 2001
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP