Data as of Nov 4, 2026
218.104.157.0/25
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom IP network
Announced by
Type
Business
Risk
0 / 100 · Low
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 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 | — | [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 |
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 218.104.157.0/24
- Prefix
- 218.104.157.0/24
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- UNICOM-HN
- Registrant
- China Unicom Hunan provincial network
- RIR
- APNIC
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
218.104.157.0/24
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