偷拍久久国产视频av无码免费播放老司机在线国产昔日民企500强陷债务泥潭 精功集团移除资产为逃债?

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︰

  再次獲得冠軍之後兩人在天台喝酒慶祝,也不知是誰先主動的,等何修反應過來的時候他們已經吻在一起,唇間滿是酒的香氣。   听著听著就有些餓了,茶幾上剛好放著一盤陸媽媽剛洗過的隻果,水靈靈紅通通的,個頭比普通隻果還要大上許多。偷拍久久国产视频   王克自嘲的笑笑︰“雖然我們之前拿了全國冠軍,但現在網上都說我們是夕陽紅戰隊。”av无码免费播放   陸昔年也不想閑著,擼了袖子準備端盤子,被林徵羽攔下。   校園里人來人往,新生佔了大多數,每個人眼里都對這陌生的環境充滿著期待與好奇。道路兩旁的人行道上,整整齊齊的排列著大大的遮陽傘,上面貼著各個專業的名字,傘下排著桌子,桌前圍著來報道的新生。老司机在线国产   陸昔年︰?!!
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