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Full data export and cross-reference analysis: - 7,550 GenieACS devices with IPs, deviceId, tags - 6,720 legacy devices (raisecom, tplink, onu categories) - 16,056 fibre table entries (OLT frame/slot/port/ontid, VLANs) - 8,434 legacy services linked to devices Key finding: CWMP serial ≠ physical serial. Only 22/7,550 devices are tagged with their physical serial (RCMG/TPLG). Raisecom MAC is extractable from CWMP serial suffix. TP-Link CWMP serial = sticker serial for ONT models. Matching strategy documented: tag-based, MAC-based, OLT port-based. Recommends bulk tagging via OLT query as first step. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>