Data as of Nov 5, 2026
103.72.172.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network · space held by Beijing br-commtech limited company
Network & registry
Origin network
AS4808
CN
- Name
- China Unicom Beijing Province Network
- Type
- Internet provider
- Registered
- Jan 9, 1996
- 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
- Aug 2019
- Current origin since
- Aug 2019 · 7.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.72.172.0/24 | AS4808 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 103.
72. 172. 0/ 22 - Netname
- br-commtech
- Registrant
- Beijing br-commtech limited company
- Registrant country
- CN
- Organization
- Beijing br-commtech limited company
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Aug 19, 2016
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP