You can absolutely bring your own IP-Space to be announced our Network.
- Own IP-Space or Allocation (Min Size IPv4: /24, IPv6: /48)
- Letter of Authorization
- Ripe Resources -> Correct Ripe-DB Entries (IRR Objects for AS213261)
- Arin/... -> Details via Ticket System
- Open a Ticket
- Attach LOA
- Link to RipeDB Entry for your Network(s)
- Wait for Staff Reply
- You may be asked to provide Additional Information during the Process.