狼人干综合伊人网亚洲色姐妹综合网姐姐超碰综合苹果高盛拟于今年春天联手推出与iPhone配套的信用卡

We are responsible for global coordination of the Internet Protocol addressing systems, as well as the Autonomous System Numbers used for routing Internet traffic.

Currently there are two types of Internet Protocol (IP) addresses in active use: IP version 4 (IPv4) and IP version 6 (IPv6). IPv4 was initially deployed on 1 January 1983 and is still the most commonly used version. IPv4 addresses are 32-bit numbers often expressed as 4 octets in “dotted decimal” notation (for example, 192.0.2.53). Deployment of the IPv6 protocol began in 1999. IPv6 addresses are 128-bit numbers and are conventionally expressed using hexadecimal strings (for example, 2001:0db8:582:ae33::29).

Both IPv4 and IPv6 addresses are generally assigned in a hierarchical manner. Users are assigned IP addresses by Internet service providers (ISPs). ISPs obtain allocations of IP addresses from a local Internet registry (LIR) or National Internet Registry (NIR), or from their appropriate Regional Internet Registry (RIR):

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  只可惜,現在,那些塞人被匈奴人像驅趕牛羊一般的進入了身毒領地深處。   這是師傅最近寫出來的一些書,很多跟機械勾連有關的學問,霍光整理之後,拿來找師傅確認。狼人干综合伊人网   窗外狂風呼嘯,沙塵滾滾,屋子里卻靜謐的落針可聞。亚洲色姐妹综合网姐姐   “自從您把餐盤砸在她臉上之後,就離開了山莊。”   而且是嫁給不再換老婆,而且還有一半漢家血統的匈奴王子,那個匈奴王子還被一個漢人從小教導……嫁給匈奴王子成為將來的王後,還有什麼不滿意的?超碰综合   西方教義中,將世界的誕生歸功于一個天神,而且是永遠不死的,就像我這個州牧,用最客觀的手法控制著這個世界。
Map of RIRs
RegistryArea Covered
AFRINICAfrica Region
APNICAsia/Pacific Region
ARINCanada, USA, and some Caribbean Islands
LACNICLatin America and some Caribbean Islands
RIPE NCCEurope, the Middle East, and Central Asia

Our primary role for IP addresses is to allocate pools of unallocated addresses to the RIRs according to their needs as described by global policy and to document protocol assignments made by the IETF. When an RIR requires more IP addresses for allocation or assignment within its region, we make an additional allocation to the RIR. We do not make allocations directly to ISPs or end users except in specific circumstances, such as allocations of multicast addresses or other protocol specific needs.

IP Address Allocations

Internet Protocol Version 4 (IPv4)

Internet Protocol Version 6 (IPv6)

Autonomous System Number Allocations

Procedures

Regional Internet Registry Creation

Technical Documentation