Data as of Nov 10, 2026
143.137.203.0/24
No anonymizer space · no proxy exits in 30 daysSilfernet Comercio e Servicos LTDA
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 143.137.200.0/22 since Jun 2017 | AS264043 | Residential | 272 1 always on |
Network & registry
Announced by
Covering announcement 143.137.202.0/23
- Prefix
- 143.137.202.0/23
- Announced by
- AS264043 Silfernet Comercio e Servicos LTDA
- Type
- Residential
- Proxy exits
- 163
- RPKI
- No RPKI
- Netname
- 264673
- Registrant
- Silfernet Comércio e Serviços LTDA
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS264043
BR
- Name
- Silfernet Comercio e Servicos LTDA
- Type
- Internet provider
- Registered
- Sep 25, 2015
- Domain
- silfernet.com.br
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
143.137.202.0/23
Routing history
- Pattern
- Stable
- First seen
- Sep 2016
- Current origin since
- Mar 2024 · 2.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 143.
137. 200. 0/ 22 - Netname
- 264673
- Registrant
- Silfernet Comércio e Serviços LTDA
- Registrant country
- BR
- Organization
- Silfernet Comércio e Serviços LTDA (10723313000121)
- Handle
- 143.
137. 200. 0/ 22 - Created
- Sep 25, 2015
- RIR
- LACNIC
- Country
- BR
- Delegated
- Sep 25, 2015
- Status
- assigned
Report abuse
Abuse contact
- suporte@
silfernet. com. br - Name
- Silvaneto Ferraz Mangueira
- Handle
- SIFMA7