Data as of Nov 6, 2026
131.221.81.0/24
No anonymizer space · no proxy exits in 30 daysCTGNet
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS23764
HK
- Name
- CTGNet
- Type
- Internet provider
- Registered
- Jun 12, 2020
- Domain
- chinatelecomglobal.com
- Website
- www.chinatelecomglobal.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2018
- Current origin since
- Jul 2024 · 2.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 131.221.81.0/24 | AS23764 | /24 | LACNIC | RPKI valid |
| 131.221.80.0/22 | AS23764 | /22 | LACNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23764 | RADB | CTGNET brazial address | MAINT-AS36678 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 131.
221. 80. 0/ 22 - Netname
- 507332
- Registrant
- China Telecom do Brasil Ltda.
- Registrant country
- BR
- Organization
- China Telecom do Brasil Ltda. (12983294000106)
- Handle
- 131.
221. 80. 0/ 22 - Created
- Oct 17, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Oct 17, 2014
- Status
- assigned
Report abuse
Abuse contact
- jiangz@
ctamericas. com - Name
- Jiang Zhu
- Handle
- JIZHU2