Data as of Nov 12, 2026
121.22.41.48/28
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Hebei province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.16.0.0/13 since Aug 2006 | AS4837 | Residential | 1,704 23 always on | China Unicom Hebei 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 |
|---|---|---|---|---|---|---|
| 121.16.0.0/13 | 524,288 | UNICOM-HE | China Unicom Hebei province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 121.22.41.48/28 | 16 | QHD-JINHAILOU | QHD-JINHAILOU,QinHuangDao city HeBei Province | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-HE |
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 121.22.41.0/24
- Prefix
- 121.22.41.0/24
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- UNICOM-HE
- Registrant
- China Unicom Hebei province network
- RIR
- APNIC
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
121.22.41.0/24
Routing history
- Pattern
- Stable
- First seen
- Sep 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.22.41.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 121.16.0.0/13 | AS4837 | /13 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 121.
16. 0. 0/ 13 - Netname
- UNICOM-HE
- Registrant
- China Unicom Hebei province network
- Registrant country
- CN
- Organization
- China Unicom Hebei 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
- May 8, 2006
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP