Data as of Nov 4, 2026
200.136.128.0/19
No anonymizer space · no proxy exits in 30 daysUniversidade Federal de Sao Paulo
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 | [email protected] |
| └ 200.136.128.0/19 | 8,192 | 213363 | Universidade Federal de Sao Paulo (60453032000174) | reassigned | Oct 8, 2013 | [email protected] via 1 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS52992
BR
- Name
- Universidade Federal de Sao Paulo
- Type
- Education
- Registered
- May 10, 2011
- Domain
- unifesp.br
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2015
- Current origin since
- Feb 2026 · 8 mo
- Origin networks
- 2
- Last change of origin
- Feb 2023
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 200.136.128.0/19 | AS52992 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS52992 | RADB | UNIVERSIDADE FEDERAL DE SAO PAULO | MAINT-AS1916 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 200.136.136.0/21 | AS52992 | RADB | UNIVERSIDADE FEDERAL DE SAO PAULO | MAINT-AS20080 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 200.136.128.0/19
- Netname
- 213363
- Registrant
- Universidade Federal de Sao Paulo
- Registrant country
- BR
- Organization
- Universidade Federal de Sao Paulo (60453032000174)
- Handle
- 200.136.128.0/19
- Created
- Oct 8, 2013
- RIR
- LACNIC
- Country
- BR
- Delegated
- Nov 12, 1999
- Status
- assigned