Data as of Nov 15, 2026
191.37.228.0/24
No anonymizer space · no proxy exits in 30 daysYZO Telecom Tecnologia Eireli - ME
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.228.0/22 since Sep 2023 | AS263374 | Residential | 139 28 always on | |
| 191.37.224.0/21 since Sep 2023 | AS263374 | Residential | 322 57 always on |
Network & registry
Announced by
Covering announcement 191.37.228.0/23
- Prefix
- 191.37.228.0/23
- Announced by
- AS263374 YZO Telecom Tecnologia Eireli - ME
- Type
- Residential
- Proxy exits
- 127
- Always-on exits
- 26
- RPKI
- RPKI valid
- Netname
- 225378
- Registrant
- YZO Telecom Tecnologia Eireli - ME
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263374
BR
- Name
- YZO Telecom Tecnologia Eireli - ME
- Type
- Internet provider
- Registered
- Mar 21, 2014
- Domain
- yzo.com.br
- Website
- www.yzo.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
191.37.228.0/23
Routing history
- Pattern
- Stable
- First seen
- Jun 2014
- Current origin since
- Aug 2019 · 7.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 191.37.224.0/21 | AS263374 | /24 | LACNIC | RPKI valid |
IRR
Route objects on 191.37.228.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS263374 | TC | YZO TELECOM TECNOLOGIA EIRELI - ME | MAINT-AS263374 | May 11, 2026 |
Whois
Registration for this announcement
- Range
- 191.
37. 224. 0/ 21 - Netname
- 225378
- Registrant
- YZO Telecom Tecnologia Eireli - ME
- Registrant country
- BR
- Organization
- YZO Telecom Tecnologia Eireli - ME (11229158000154)
- Handle
- 191.
37. 224. 0/ 21 - Created
- Mar 21, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 21, 2014
- Status
- assigned
Report abuse
Abuse contact
- hcardosorocha@
gmail. com - Name
- Humberto Cardoso Rocha
- Handle
- HCR12