Data as of Nov 14, 2026
45.251.22.0/23
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange · space held by Beijing Beikuan Technology Co,Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 45.251.20.0/22 since Sep 2025 | AS4847 | Residential | Beijing Beikuan Technology Co,Ltd |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 45.251.22.0/24 since Feb 2026 | AS4847 | Residential | Beijing Beikuan Technology Co,Ltd | |
| 45.251.23.0/24 since Mar 2025 | AS4847 | Residential | Beijing Beikuan Technology Co,Ltd |
Network & registry
Origin network
AS4847
CN
- Name
- China Networks Inter-Exchange
- Type
- Internet provider
- Registered
- Sep 10, 1996
- Domain
- bta.net.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
- Reactivated
- First seen
- Mar 2017
- Current origin since
- Sep 2025 · 1.1 yr
- Origin networks
- 2
- Last change of origin
- Feb 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 45.251.22.0/23 | AS4847 | /24 | APNIC | RPKI valid |
| 45.251.20.0/22 | AS4847 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4847 | RADB | register for user | MAINT-AS4847 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 45.
251. 20. 0/ 22 - Netname
- BeikuanTech
- Registrant
- Beijing Beikuan Technology Co,Ltd
- Registrant country
- CN
- Organization
- Beijing Beikuan Technology Co,Ltd
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- May 20, 2016
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP