Data as of Nov 13, 2026
200.136.54.0/24
No anonymizer space · no proxy exits in 30 daysUniversidade de Sao Paulo
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 200.136.32.0/19 since Jul 2023 | AS1251 | Business |
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 |
|---|---|---|---|---|---|---|
| 200.136.0.0/16 | 65,536 | 1 | Fundação de Amparo À Pesquisa do Estado SÃO Paulo (43828151000145) | assigned | Nov 12, 1999 | jorge@ |
| └ 200.136.54.0/24 | 256 | 687 | Instituto Butantan (61821344000156) | reassigned | Nov 18, 1999 | jorge@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the 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 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 200.
136. 54. 0/ 24 - Netname
- 687
- Registrant
- Instituto Butantan
- Registrant country
- BR
- Organization
- Instituto Butantan (61821344000156)
- Handle
- 200.
136. 54. 0/ 24 - Created
- Nov 18, 1999
- RIR
- LACNIC
- Country
- BR
- Delegated
- Nov 12, 1999
- Status
- assigned
Report abuse
Abuse contact
- jorge@
usp. br - Name
- Jorge Marcos de Almeida
- Handle
- JMA135