Data as of Nov 3, 2026
60.28.7.0/30
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Tianjin province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 60.28.0.0/15 since May 2005 | AS4837 | Residential | 162 5 always on | China Unicom Tianjin 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 |
|---|---|---|---|---|---|---|
| 60.24.0.0 - 60.30.255.255 | 458,752 | UNICOM-TJ | China Unicom Tianjin province network | ALLOCATED PORTABLE | — | [email protected] |
| └ 60.28.7.0/30 | 4 | yijian-netbar-tj | yijian net bar | ASSIGNED NON-PORTABLE | — | [email protected] via UNICOM-TJ |
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 60.28.4.0/22
- Prefix
- 60.28.4.0/22
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- UNICOM-TJ
- Registrant
- China Unicom Tianjin 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
60.28.4.0/22
Routing history
- Pattern
- Stable
- First seen
- Jun 2005
- Current origin since
- Jun 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 60.28.4.0/22 | AS4837 | /22 | APNIC | RPKI valid |
| 60.28.0.0/15 | AS4837 | /15 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 60.24.0.0 - 60.30.255.255
- Netname
- UNICOM-TJ
- Registrant
- China Unicom Tianjin province network
- Registrant country
- CN
- Organization
- China Unicom Tianjin 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
- Apr 16, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CUCN
- Handle
- AC1718-AP