夜夜干日日操狠狠爱日日啪啪在线影院日啪 日日啪在线影院公募持仓回升 继续聚焦家电行业龙头

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):

發布時間︰

  王溫舒踱著步子走過來,用腳扒拉一下那個死去的婦人嘆息一聲道︰“可惜了,這是這家里顏色最好的一個……”   梅花鹿留給太宰,幫著拉爬犁運東西,老虎是一定要回家的,這家伙對于雲家來說,是一個類似保護神一般的存在。夜夜干日日操狠狠爱   雲瑯坐在羽林的馬車上,拍著糧包問道。日日啪啪在线影院   從知道皇帝給出兩千萬錢這個價錢的時候,老夫就知道這三千畝地已經是你的囊中之物。   “小郎——”日啪 日日啪在线影院   緊張了一路的少年們,在踏進莊園的那一刻,就歡喜起來了,他們歡樂的情緒感染了雲瑯,他站在一個最高的糧車上,跟那些少年們一起盡情的嚎叫。
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