[arin-discuss] The joy of SWIPping
michael.dillon at bt.com
michael.dillon at bt.com
Mon May 12 16:15:49 EDT 2008
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In my experience ARIN does not care about the accuracy of the SWIP/RWHOIS info when assessing a member for additional IP address blocks. Instead, they are happy to accept detailed data from the member's IP address database. I think there are a number of reasons for this. 1. They realize that SWIP updates could have gotten out of sync with the ISPs internal database for any number of reasons. The internal database is more likely to be correct. 2. They realize that RWHOIS is an hack job that has never been properly maintained or updated, and therefore it is entirely possible that bugs in the rwhois software, or wierdness in the text files from which the server functions, can result in a less accurate picture than the ISP's internal database. 3. They have in the past allowed some ISPs to submit SWIP data in non-usual formats, and it is only fair to let any member do this if they experience difficulties in dealing with the wierd non-standard SWIP and RWHOIS formats. 4. Many ISPs simply will not publish their customer base in whois no matter what ARIN says, and some of them have privately indicated that they are willing to go to court over this. Since ARIN only needs this data at the time of new applications, and since ARIN operates an internal Chinese wall so that even the head of Registration Services is not allowed to see potentially confidential ISP data, the most efficient way to deal with this is to simply accept confidential database dumps whenever an application is made for additional blocks. 5. The purpose and scope of the ARIN whois directory has never been formally defined, nor was it ever formally defined by any predecessor of ARIN after the DARPA. In the time of DARPA the purpose was to identify all users of the ARPANet in order to justify budget allocations. Clearly that is no longer true. In the absence of a clear purpose and scope, it is hard to enforce any particular behavior. 6. The Internet community generally seems to feel that the whois directory is there so that when network abuse occurs, other network operators can quickly make contact with the source of the problem. Since the Internet has changed and it is no longer common for assignees of IP addresses to operate a 24-hour NOC capable of responding to external requests, there is nothing for ARIN to gain by being pedantic about this. In fact, the people with the problem can identify the ISP who received the ARIN allocation and these companies almost always do operate a 24 hour NOC and do have access to their customer's contact info. 7. There is a certain vigilante community that feels the ARIN whois directory should identify users of any IP address so that the self-appointed vigilantes can punish the perpetrators of network abuse. Since ARIN is not the Internet government and since there is a big downside to being seen as the government, it is to ARIN's advantage to *NOT* attempt to force ISPs to publish full 3rd-party (customer) info in the whois directory. By the way, what does "assign" mean? If as a hosting ISP, I configure IP addresses into my switches and routers to enable a hosting customer to communicate using these addresses, then this is not the same as the classic "assignment" scenario. It could be interpreted as internal architecture usage. This is becoming more common as more specialised IP network service companies arise, and a single organization may receive addresses from several different ISPs and only use these addresses for certain purposes. In the classic scenario, an assignment was like a loan of 100% of the address that you would need to configure all the devices in all of your internal networks. Since NAT came on the scene, the picture has gotten fuzzier and fuzzier. --Michael Dillon -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.arin.net/pipermail/arin-discuss/attachments/20080512/55ada2e0/attachment-0001.html
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