香港亚洲经典三级无码经典在线三级视频经典三级股权管理难题待解 中小银行公司治理有形更要有神

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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帝賜他一顆新心,使他成為新人。 香港亚洲经典三级 得通亮,緊接著閃電響起一陣雷鳴,仿佛把整個天宇都一起扯了下來,這陣 霹靂一定打在附近,因為腳下的地面震得搖搖晃晃,窗玻璃克郎克郎直響, 像被雷聲擊碎了似的。盡管我的眼楮被這突如其來的電光耀得發呆,我可並 沒有像一分鐘之前,老人感激涕零、抓住我的手親吻不已時嚇得那麼厲害。无码经典在线三级视频 他不伸手和我握別,顯然十分生氣地(我不理解,他為什麼生氣)邁著 她心里的一切障礙。 “可不是嗎,我早就知道了,這樣治下去是不會有進展的。一個人對自经典三级 “‘別這麼說,別這麼說,’他慌亂地推辭,‘您什麼也不欠我,一點 也不欠我,’與此同時,他感到渾身直冒冷汗。他事先早把一切全都加以周 密計算,多年來,學會了預先考慮對方可能有的任何反應,可是這次卻遇上 了嶄新的局面。在擔任代理人的那些茹苦含辛的歲月里,他曾經經歷過,人 家如何拒他于門外,他跟人家打招呼人家也不答理,在他那地區有些胡同他 還是避而不進為妙。可是有人居然還向他表示感謝——這種事情他還從來沒 有踫到過呢。在這個人面前,他破天荒第一次感到羞愧,在他和這個人之間 盡管做了這麼一筆交易,可人家還信任他。他一反自己的本意,感到需要向 她道歉。
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