东京热一本道高清色费东京热一本道专家谈三峡大坝"弯曲"乌龙:谷歌地图也非神乎其神

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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  當然亞特蘭大的房市是不錯的,有名的富豪城市,但是也和美國任何一個地方一樣,在2007次貸危機爆發後,到處都是破產了想要擺脫房子這個負擔廉價賣掉的房主。   至于下一場比賽比賽會打得怎麼樣?現在不是考慮這個的時候,正所謂人生得意須盡歡……好不容易有這麼個超級巨星的實力,不爽一波都對不起自己!东京热一本道高清色费   霍光不以為然,他認為,西北理工的學問才是學子們日後必學的正統,所有與西北理工學說悖逆的學問,都應該是邪門歪道!东京热   劉莽恍然間感覺到一個巨大的黑炭頭甕聲甕氣的對自己說著什麼,然後被直接拉了起來推了出去。   劉莽表示很絕望啊!一本道   “等等,鄧肯的能力值比奧尼爾還高?那科比呢?還有我的能力值是多少?”劉莽奇怪的問道。
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