Data as of Nov 3, 2026
191.4.252.0/22
No anonymizer space · no proxy exits in 30 daysAssociacao Antonio Vieira - Unisinos
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.4.128.0/17 since Aug 2025 | AS19611 | Business | 5 | |
| 191.4.0.0/16 since Feb 2014 | AS19611 | Business | 52 |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS19611
BR
- Name
- Associacao Antonio Vieira - Unisinos
- Type
- Education
- Registered
- Jan 30, 2001
- Domain
- unisinos.br
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2021
- Current origin since
- Feb 2021 · 5.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19611 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Jun 3, 2024 |
Whois
Registration for this announcement
- Range
- 191.4.0.0/16
- Netname
- 220618
- Registrant
- Associação Antônio Vieira - Unisinos
- Registrant country
- BR
- Organization
- Associação Antônio Vieira - Unisinos (92959006000885)
- Handle
- 191.4.0.0/16
- Created
- Jan 13, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Jan 13, 2014
- Status
- assigned