Data as of Nov 10, 2026
200.144.174.0/24
No anonymizer space · no proxy exits in 30 daysUniversidade de Sao Paulo
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 28, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 200.144.160.0/19 since Nov 2021 | AS28571 | Business | 7 |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 200.144.160.0/19 | 8,192 | 34175 | Universidade de Sao Paulo (63025530000104) | assigned | Feb 27, 2003 | security@ |
Network & registry
Origin network
AS28571
BR
- Name
- Universidade de Sao Paulo
- Type
- Education
- Registered
- Dec 19, 2007
- Domain
- usp.br
- Website
- www.usp.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
- Sep 28, 2026
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 200.144.174.0/24 | AS28571 | /24 | LACNIC | RPKI valid |
| 200.144.160.0/19 | AS28571 | /19 | LACNIC | Too specific |
Whois
Registration for this announcement
200.144.174.0/24 spans several registrations: 1 records are listed under Registrations.
- RIR
- LACNIC
- Country
- BR
- Delegated
- Feb 27, 2003
- Status
- assigned