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Questions tagged [arin]

For questions about or involving the American Registry for Internet Numbers (ARIN), where they are the Regional Internet Registry (RIR) for Canada, the United States, and many Caribbean and North Atlantic islands.

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votes
1answer
662 views

Cisco ASA allow no-nat public subnets

Testing in a lab...I have a VLAN directly attached to a Cisco ASA 5520 that contains host machines who use IPs from a public address space, 11.11.11.0/26 for example. The ASA has two interfaces this ...
4
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3answers
368 views

Advertise downstream customer-owned /24 without BGP-Peering

First post, so I apologize if I don't lay things out clearly, or if this is the wrong forum. We are a small/regional ISP. We have a customer who has a couple of /24s (not purchased through us), and ...
0
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1answer
1k views

ARIN Ip database [closed]

I need to IP whois database of ARIN and RIPE. I can find RIPE database: ftp://ftp.ripe.net/ripe/dbase/split/ripe.db.inetnum.gz But I can't find ARIN database like this. How can I find ARIN full ...
2
votes
1answer
4k views

How to whois ARIN to get IP ranges?

I'd like to know how, using command-line whois, I can get all IP ranges (i.e., NET objects) assigned to a particular organisation. For example, consider this company: http://whois.arin.net/rest/org/...
13
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2answers
8k views

What is a non-portable IPv4 address block?

For example, a Whois query for 4.4.4.0 says: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE Does the owner simply declare the block or a subnet are not up for sale? Or does non-portable have a ...
4
votes
1answer
561 views

BGP routing based on ARIN info

I have discovered weird routing from our ISP all related to BGP. Here is the scenario (real-one). - there is a /19 prefix bought about 10 years ago, which was registered with ARIN authority. - as ...