Data as of Nov 8, 2026
221.129.0.0/16
No anonymizer space · no proxy exits in 30 daysAS23841 · space held by Tianjin Broadcast & TV Network Co. Ltd
Network & registry
Origin network
AS23841
CN
- Registered
- Jun 27, 2003
- Domain
- tjbtn.net
- Industry
- Radio and Television Providers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jan 2012 · 15 yr
- Origin networks
- 2
- Last change of origin
- Mar 2012
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.129.0.0/16 | AS23841 | /16 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 221.
129. 0. 0/ 16 - Netname
- TJBTN
- Registrant
- Tianjin Broadcast & TV Network Co. Ltd
- Registrant country
- CN
- Organization
- Tianjin Broadcast & TV Network 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
- Oct 30, 2003
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP