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Posted by prox, from Charlotte, on April 16, 2012 at 15:45 local (server) time

Accoring to Verizon Business (AS701), Google is the Internet:

(evolution:15:32)% sudo traceroute -Iq 1 8.8.8.8  
traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets
 1  226.sub-66-174-38.myvzw.com (66.174.38.226)  39.272 ms
 2  49.sub-69-83-51.myvzw.com (69.83.51.49)  52.978 ms
 3  *
 4  1.sub-69-83-32.myvzw.com (69.83.32.1)  52.690 ms
 5  TenGigE0-0-0-0.GW4.ATL5.ALTER.NET (63.122.230.125)  56.609 ms
 6  0.ge-1-0-0.XT2.ATL5.ALTER.NET (152.63.80.190)  56.562 ms
 7  0.xe-2-0-1.XT2.NYC4.ALTER.NET (152.63.0.153)  75.615 ms
 8  TenGigE0-5-4-0.GW8.NYC4.ALTER.NET (152.63.18.206)  94.438 ms
 9  Internet-gw.customer.alter.net (152.179.72.66)  123.363 ms
10  72.14.232.244 (72.14.232.244)  82.318 ms
11  *
12  *
13  64.233.175.109 (64.233.175.109)  82.116 ms
14  72.14.232.21 (72.14.232.21)  93.076 ms
15  google-public-dns-a.google.com (8.8.8.8)  85.996 ms

Usually, the customer.alter.net. subdomain is used for labeling the interface of the customer router.  It's usually the company name.  RAS even has this documented in his Traceroute document on page 12.  Here's an example for Juniper Networks:

(evolution:15:34)% sudo traceroute -Iq 1 juniper.net.
traceroute to juniper.net. (207.17.137.239), 30 hops max, 60 byte packets
 1  226.sub-66-174-38.myvzw.com (66.174.38.226)  40.993 ms
 2  49.sub-69-83-51.myvzw.com (69.83.51.49)  50.846 ms
 3  *
 4  1.sub-69-83-32.myvzw.com (69.83.32.1)  50.619 ms
 5  TenGigE0-0-0-0.GW4.ATL5.ALTER.NET (63.122.230.125)  57.569 ms
 6  0.ge-4-0-0.XT1.ATL5.ALTER.NET (152.63.83.37)  57.482 ms
 7  0.ge-3-0-0.XL3.SJC7.ALTER.NET (152.63.49.141)  124.462 ms
 8  TenGigE0-6-4-0.GW3.SJC7.ALTER.NET (152.63.49.166)  126.358 ms
 9  juniper-gw.customer.alter.net (152.179.48.62)  126.317 ms
10  ns-app-fw-dmz.juniper.net (207.17.136.1)  124.180 ms
11  juniper.net (207.17.137.239)  127.080 ms

Why is Google's called Internet?  Do they think Google is The Internet or something?  Using my handy dnsnew utility, I also found the following:

PTR 152.179.72.60 -> NXDOMAIN
PTR 152.179.72.61 -> TenGigE0-3-4-0.GW8.NYC4.ALTER.NET, A $_ -> NXDOMAIN
PTR 152.179.72.62 -> google-gw.customer.alter.net, A $_ -> NXDOMAIN
PTR 152.179.72.63 -> NXDOMAIN

That looks better.  Why is their other PTR labeled the way it is, though?

Curious!

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