Data as of Nov 3, 2026
210.53.0.0/16
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM Industrial Internet Backbone · space held by China Unicom IP network
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.53.1.0/24 since Aug 2010 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.6.0/24 since Apr 2025 | AS4837 | Residential | China Unicom IP network | |
| 210.53.48.0/24 since Oct 2024 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.49.0/24 since Jan 2025 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.51.0/24 since Mar 2025 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.128.0/24 since Jul 2022 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.130.0/24 since May 2017 | AS9929 | Internet provider | China Unicom IP network | |
| 210.53.203.0/24 since Nov 2016 | AS9929 | Internet provider | China Unicom IP network |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 65,280 | >99% | 15 | |
| Residential | 256 | 0.39% | 1 |
Network & registry
Origin network
AS9929
CN
- Name
- CHINA UNICOM Industrial Internet Backbone
- Type
- Internet provider
- Registered
- Apr 5, 2000
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.53.0.0/16 | AS9929 | /16 | APNIC | RPKI valid |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 210.53.8.0/23 | AS4837 | APNIC | CNC Group CHINA169 Jiangxi Province Network | MAINT-CNCGROUP-RR | Sep 4, 2008 |
| 210.53.48.0/23 | AS9929 | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
| 210.53.50.0/23 | AS9929 | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
Whois
Registration for this announcement
- Range
- 210.52.0.0/15
- Netname
- UNICOM-CN
- Registrant
- China Unicom IP network
- Registrant country
- CN
- Organization
- China Unicom IP 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
- Jun 27, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CUCN
- Handle
- AC1718-AP