Data as of Nov 6, 2026
187.31.100.0/22
No anonymizer space · no proxy exits in 30 daysSinfony6, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Recent change
New origin Jul 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 187.31.0.0/16 since Jun 2026 | AS14571 | Residential | 7 |
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 187.31.100.0/24 since Oct 22, 2026 | AS268188 | Residential | |
| 187.31.101.0/24 since Oct 22, 2026 | AS268188 | Residential | |
| 187.31.102.0/24 since Oct 22, 2026 | AS268188 | Residential | |
| 187.31.103.0/24 since Oct 22, 2026 | AS268188 | Residential |
Network & registry
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS29987
US
- Name
- Sinfony6, LLC
- Type
- Hosting
- Registered
- Feb 11, 2025
- Domain
- sinfony6.com
- Website
- sinfony6.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS268188 not the origin | TC | MAINT-AS268188 | Sep 2, 2026 |
Whois
Registration for this announcement
- Range
- 187.
31. 100. 0/ 22 - Netname
- 559060
- Registrant
- Ativa Telecom LTDA
- Registrant country
- BR
- Organization
- Ativa Telecom LTDA (26500067000189)
- Handle
- 187.
31. 100. 0/ 22 - Created
- Dec 12, 2008
- RIR
- LACNIC
- Country
- BR
- Delegated
- Dec 12, 2008
- Status
- assigned