久久精品一本到99热曰本一本道a东京热播一本道久在线费观大族激光董事长火了 10万股民今夜难眠(调查)

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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久久精品一本到99热 維杉一時感著一陣高興,他往前走了幾步對芝說︰“來,讓我也拉一下。”他剛到芝的旁邊,忽然吱呀一聲,雨一般的水點從他們頭上噴灑下來,冰涼的水點驟澆到背上,嚇了他們一跳。芝撒開手,天棚繩子從她手心溜了出去!原來小沅站在水缸邊玩抽水機筒,第一下便射到他們的頭上。這下子大家都笑,笑得厲害。芝站著不住地搖她發上的水。維杉躊躇了一下,從袋里掏出他的大手絹輕輕地替她楷發上的水。她兩頰緋紅了卻沒有躲走,低著頭盡看她擦破的掌心。維杉看到她肩上濕了一小片,暈紅的肉色從濕的軟白紗里透露出來,他停住手不敢拿手絹擦,只問她的手怎樣了,破了沒有。她背過手去說“沒有什麼”就溜地跑了。曰本一本道a东京热播 寒暑表中的水銀從早起上升,一直過了九十五度的黑線上。喜棚底下比較蔭涼的一片地面上曾聚過各種各色的人物。丁大夫也是其間一個。 “這農村的嫵媚,溪流樹蔭全合了我的意,你更想不到我屋後有個什麼寶貝。一口井,老老實實舊式的一口井,早晚我都出去替老太太打水。真的,這樣才是日子,雖然山邊沒有橄欖樹,晚上也缺個織布的機桿,不然什麼都回到我理想的已往里去……一本道久在线费观 “往年沒有這麼熱,九十九度的天氣在北平真可以的了。”一個客人搖了搖檀香扇,急著想做莊。
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