Data as of Nov 10, 2026
221.214.19.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Shandong province network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
61% of it
Recent change
New origin May 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.214.0.0/15 since May 2005 | AS4837 | Residential | 494 31 always on | China Unicom Shandong 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 |
|---|---|---|---|---|---|---|
| 221.214.0.0/15 | 131,072 | UNICOM-SD | China Unicom Shandong province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 221.214.19.0/28 | 16 | JNXCNB | JINAN xuechuan Net Bar | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
| └ 221.214.19.16/30 | 4 | SDYSSJXY | SHANDONGYISHUSHEJIXUEYUAN | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
| └ 221.214.19.48/28 | 16 | JNHYNB | JINAN hongye Net Bar | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
| └ 221.214.19.64/27 | 32 | JNGTNB | JINAN guangong Net Bar | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
| └ 221.214.19.128/28 | 16 | JNZQZSQNB | Jinanzhangqiu Zhangsiquan Netbar | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
| └ 221.214.19.176/28 | 16 | JNXCNB | JINAN xuechuan Net Bar | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-SD |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 156 | 61% | 4 | |
| Business | 100 | 39% | 6 |
Network & registry
Origin network
AS4837
CN
- Name
- CHINA UNICOM China169 Backbone
- Type
- Internet provider
- Registered
- Sep 17, 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
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.214.19.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 221.214.0.0/15 | AS4837 | /15 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 221.
214. 0. 0/ 15 - Netname
- UNICOM-SD
- Registrant
- China Unicom Shandong province network
- Registrant country
- CN
- Organization
- China Unicom Shandong province network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 21, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Dec 11, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP