Records needed for this question
Allocated ranges, service orders and block-size pricing.
How to investigate
Compare the billed block size with the ordered allocation and any approved resizing date.
An illustrative review decision
A reserved address block may be charged by allocation size even when few addresses are actively used. Any resizing proposal should include technical dependency review and the contractual billing unit.
What can lead to the wrong conclusion?
Counting responding hosts understates a legitimately reserved address block.
The result to retain
An allocation-to-billing worksheet.
Apply the review in context
Review carrier invoice evidence, inventory, findings and recovery cases in AuditRes Telecom.
This guide describes a human review method, not a claim that every scenario is automatically detected or executed. Explore AuditRes Telecom.