The American Physical Society Incorporated

• The American University in Cairo (AUC) 18 blocks
• The American University of Iraq-Sulaimani 6 blocks
• The American University of Paris - association declaree 4 blocks
• THE AMERICAN ASSOCIATION OF MOTOR VEHICLE ADMINISTRATORS 4 blocks
• The American Information Exchange Corporation 3 blocks
• THE-AMERICAN-INTERNATIONAL-SCHOOL 2 blocks
• The American University of Paris 2 blocks
• The American Association of IndependentConsultants, Inc. 1 blocks

• American Tower Corporation via COLT Technology Services Group Limited sub-allocation
• AMERICANEXPRESSPAYMENTSEUROPESL sub-allocation
• INSTITUTE-FOR-AMERICAN-UNIVERSITIES via Dstny BE N.V. sub-allocation
• Compania Sudamericana De Vapores Gmbh via COLT Technology Services Group Limited sub-allocation
• AMERICAN-INTERCONTINENTAL-UNIVERSITY-NETID6405 via Exponential-E Ltd. sub-allocation
• Saudi-American-Glass via Etihad Etisalat, a joint stock company sub-allocation
• AMERICAN-INTERCONTINENTAL-UNIVERSITY-NETID6323 via Exponential-E Ltd. sub-allocation
• AMERICAN_SCHOOL_BARCELONA via TELEFONICA DE ESPANA S.A.U. sub-allocation

These blocks are registered to The American Physical Society Incorporated but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.