Data as of Nov 10, 2026
221.128.251.0/24
No anonymizer space · no proxy exits in 30 daysTaiwan Network Information Center · space held by Beijing Chang Ying Netowrk Service Co.Ltd
Network & registry
Announced by
Covering announcement 221.128.248.0/21
- Prefix
- 221.128.248.0/21
- Announced by
- AS18180 Taiwan Network Information Center
- Type
- Hosting
- Proxy exits
- 37
- RPKI
- No RPKI
- Netname
- CYNET
- Registrant
- Beijing Chang Ying Netowrk Service Co.Ltd
- RIR
- APNIC
Origin network
AS18180
TW
- Name
- Taiwan Network Information Center
- Type
- Hosting
- Registered
- Apr 5, 2002
- Domain
- twnic.tw
- Industry
- Hosting, Cloud Provider, Data Center, Server Colocation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 221.128.248.0/21
221.128.248.0/21
Routing history
- Pattern
- Rotating
- First seen
- Dec 2025
- Current origin since
- Feb 2026 · 9 mo
- Origin networks
- 2
- Last change of origin
- Feb 2026
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 221.128.248.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18180 | RADB | Proxy Route | MAINT-AS134121 | Mar 9, 2026 |
Whois
Registration for this announcement
- Range
- 221.
128. 128. 0/ 17 - Netname
- CYNET
- Registrant
- Beijing Chang Ying Netowrk Service Co.Ltd
- Registrant country
- CN
- Organization
- Beijing Chang Ying Netowrk Service Co.Ltd
- 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
- Apr 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP