C: GLOP addressing is defined in RFC 2770, assigning a portion of the 233.0.0.0/8 range for each AS based on their 16-bit ASN. This allows each AS to use a /24 of globally unique multicast addresses without coordination from IANA.
Other options:
A: 239.0.0.0/8 is the administratively scoped multicast address space.
B: 224.0.0.0/24 is reserved for local link-scoped protocols (e.g., OSPF, RIP).
D: 232.0.0.0/8 is the Source-Specific Multicast (SSM) range.
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