Data as of Nov 4, 2026
218.104.157.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom IP network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Recent change
New origin Aug 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 218.104.144.0/20 since Aug 2006 | AS4837 | Residential | 16 1 always on | China Unicom IP network via China Unicom Hunan provincial network | |
| 218.104.128.0/17 since May 2005 | AS9929 | Internet provider | 78 5 always on | China Unicom IP 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 |
|---|---|---|---|---|---|---|
| 218.104.0.0/14 | 262,144 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | [email protected] |
| └ 218.104.144.0/20 | 4,096 | UNICOM-HN | China Unicom Hunan provincial network | ALLOCATED NON-PORTABLE | — | [email protected] via UNICOM-CN |
| └ 218.104.157.0/25 | 128 | Zhangjiajie-yongding-DIA-3528 | Zhangjiajie-yongding-DIA-3528 | ASSIGNED NON-PORTABLE | — | [email protected] via UNICOM-HN |
| └ 218.104.157.128/26 | 64 | Zhangjiajie-wulingyuan-DIA-3528 | Zhangjiajie-wulingyuan-DIA-3528 | ASSIGNED NON-PORTABLE | — | [email protected] via UNICOM-HN |
| └ 218.104.157.192/26 | 64 | Zhangjiajie-wulingyuan-DIA-3528-2 | unknown | ASSIGNED NON-PORTABLE | — | [email protected] via UNICOM-HN |
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
Registry
Holder
- Organization
- China Unicom IP network
- Range
- 218.104.0.0/14
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- China Unicom Hunan provincial network
- Reallocated range
- 218.104.144.0/20
- Reallocation type
- ALLOCATED NON-PORTABLE
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
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.104.157.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 218.104.144.0/20 | AS4837 | /20 | APNIC | Too specific |
| 218.104.128.0/17 | AS9929 | /17 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 218.104.144.0/20
- Netname
- UNICOM-HN
- Registrant
- China Unicom Hunan provincial network
- Registrant country
- CN
- Organization
- China Unicom Hunan provincial network
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 31, 2009
- Maintainer
- MAINT-CNCGROUP
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 19, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CUCN
- Handle
- AC1718-AP