一个IP地址可以对应于多个ASN
一个IP地址可以对应于多个ASN吗? 如果是这样,情况是什么?它与Anycast IP地址有关吗? 谢谢!
Can one IP address correspond to multiple ASNs?
If so, what were the circumstances? Is it related to anycast ip address?
thanks!
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是的,它称为多产为(Moas)。这是对堆栈读者的简短说明:
交换有关IP地址的可及性信息,
Internet中使用BGP的不同自治系统(ASE)。在BGP中,每个IP地址前缀(即,IP收集)
地址)通常由单个AS发起。有,
但是,也有多个ASE的起源相同的情况
前缀,此前缀依次称为(MOA)
前缀。网络运营商使用MOAS前缀,例如
弹性,负载平衡和多恋。
更多详细信息: https://arxiv.org/pdf/pdf/2307.08490.pdf pdf
概念证明:
https://bgp.he.net/report/report/report/mmulti-origin-routes# _ipv4multioriginRoutes
https://stat.ripe.ripe.net/ui2013/163/193.103.104.254.254.82 #tabid =路由
必须提到不建议这样做,但是问题是可能的,并且在互联网上都是可能的。
Yes, it's called a Multi Origin AS (MOAS). Here is a brief explanation to a stack readers:
To exchange reachability information about IP addresses,
different Autonomous Systems (ASes) in the Internet use BGP. In BGP, each IP address prefix (i.e., collection of IP
addresses) is usually originated by a single AS. There are,
however, also cases where multiple ASes originate the same
prefix, this prefix is in turn called a Multi Origin AS (MOAS)
prefix. Network operators use MOAS prefixes to e.g., provide
resilience, load balancing, and multi-homing.
Further details: https://arxiv.org/pdf/2307.08490.pdf
Proof of concept:
https://bgp.he.net/report/multi-origin-routes#_ipv4multioriginroutes
https://stat.ripe.net/ui2013/193.104.254.82#tabId=routing
Must mention though that it's not recommended to do, but it terms of the question, it's possible and present all over the internet.
不,每个IP地址都与唯一的原始ASN关联。但是,您可以从不同的ASN拥有更具体的前缀。例如,189.50.192.0/20 => ASN1和189.50.192.0/22 => ASN2。
所有任何播放位置都需要来自相同的ASN。
No, each IP address is associated with a unique origin ASN. You could however have a more specific prefix from a different ASN. For example, 189.50.192.0/20 => ASN1 and 189.50.192.0/22 => ASN2.
All anycast locations would need to be originated from the same ASN.