日日啪众里寻她千百撸日日啪AV在线视频成人社区建立全国电子学生证平台是遏制假学生证的良药

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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  甦稚怒道︰“子玉犯錯懲罰也就是了,現在是養傷的時候,怎麼還要接受懲罰?跟我走!”   這一點,他們沒有做好。日日啪众里寻她千百撸   “我一定在罵人,藥婆婆一定在午睡……你必定是坐在閣樓上搖著蒲扇看書……”日日啪   衛伉瞅著甦稚被發梢遮住的臉,努力的抬起頭,不讓眼淚流下來。   小狗子笑道︰“今天,狼已經吃飽了,現在給你們時間好好地想想自己的用處在那里,晚間的時候有的說就趕緊說,免得明日被拿去喂狼了,才後悔。”AV在线视频成人社区   三百匈奴首級?就這還是在極度謙虛之後得出的結論,不敢把自己放在他老子以及他表哥的位置上,算是非常的自謙了。
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