United States · ASN
SINFONY6 - Sinfony6, LLC is registered in United States (ARIN). It currently announces 22 IPv4 prefixes (about 6,400 addresses) and 0 IPv6 prefixes in the global routing table; PeeringDB lists it as “Educational/Research”.
Sinfony6 (AS29987) is an education / research network registered in the United States.
Basis: PeeringDB lists it as “Educational/Research”. AI availability follows the official region lists for the United States and the network type. Whether it works for you depends on your exit IP’s location and type. Check my IP
No IP from this network has been checked yet.
Upstreams (transit providers)
Downstreams (networks connected through it)
| Prefix | Addresses | Geolocation | On DC list |
|---|---|---|---|
| 187.31.0.0/24 | 256 | Brazil | — |
| 187.31.1.0/24 | 256 | Brazil | — |
| 187.31.2.0/24 | 256 | Brazil | — |
| 187.31.3.0/24 | 256 | Brazil | — |
| 187.31.4.0/24 | 256 | Brazil | — |
| 187.31.5.0/24 | 256 | Brazil | — |
| 187.31.6.0/24 | 256 | Brazil | — |
| 187.31.7.0/24 | 256 | Brazil | — |
| 187.31.8.0/24 | 256 | Brazil | — |
| 187.31.9.0/24 | 256 | Brazil | — |
| 187.31.10.0/24 | 256 | Brazil | — |
| 187.31.11.0/24 | 256 | Brazil | — |
| 187.31.12.0/24 | 256 | Brazil | — |
| 187.31.13.0/24 | 256 | Brazil | — |
| 187.31.14.0/24 | 256 | Brazil | — |
| 187.31.15.0/24 | 256 | Brazil | — |
| 187.31.16.0/24 | 256 | Brazil | — |
| 187.31.17.0/24 | 256 | Brazil | — |
| 187.31.18.0/24 | 256 | Brazil | — |
| 187.31.19.0/24 | 256 | Brazil | — |
| 187.31.20.0/24 | 256 | Brazil | — |
| 187.31.100.0/22 | 1,024 | Brazil | — |
Geolocation is the DB-IP Lite location of each prefix’s first address; “On DC list” is the share of the prefix on the X4BNet public datacenter list.
Sinfony6 (AS29987) is an education / research network. Basis: PeeringDB lists it as “Educational/Research”. A network can mix address types; for a single IP, the check result is what counts.
AS29987 is registered in the United States. By the official region lists and the network type: ChatGPT — Region supported, and the network type looks like a normal user; Claude — Region supported, and the network type looks like a normal user. Your exit IP’s location is what counts in the end.
It currently announces 22 IPv4 prefixes (about 6,400 addresses in total) and 0 IPv6 prefixes in the global routing table. Data from RIPEstat, refreshed daily.
Other major networks in United States
Sources: RIPEstat (regional registry allocations and RIS routing data), PeeringDB, DB-IP Lite, the X4BNet datacenter list, ipapi.is (only results already on IP Judge) and IP Judge lookups. Routing data refreshes daily.
IP Judge ipjudge.org
