In the past, all of my trace routes and looking glasses have looked "normal". Generally fell into a few categories. Transit, direct peering, or regional IX peering.
Somewhat recently, nearly all routes have suddenly started to look artificial and I can't figure out what exactly the ISP is doing. Nearly all of my trace routes look like some variation of this through most of the USA.
Trace route to Looking glass service
1 <1 ms <1 ms <1 ms 192.168.0.1
2 1 ms 2 ms 2 ms ISP's local CO
3 7 ms 6 ms 7 ms ISP's remote datacenter
4 10 ms 10 ms 10 ms ISP's peering/transit POP
5 38 ms 39 ms 38 ms nyiix.gi3-6.cr1.nyc1.choopa.net [198.32.160.157]
6 37 ms 45 ms 49 ms vl42-br2.pnj1.choopa.net [108.61.2.89]
7 * * * Request timed out.
8 118 ms 50 ms 38 ms 172-245-40-49-host.colocrossing.com [172.245.40.49]
View from Looking Glass service
1 192.168.106.2 (192.168.106.2) 1.150 ms 1.106 ms 1.077 ms
2 172-245-40-49-host.colocrossing.com (172.245.40.49) 9.466 ms 10.437 ms 11.307 ms
3 10.3.1.253 (10.3.1.253) 1.832 ms 10.3.1.229 (10.3.1.229) 1.801 ms 1.773 ms
4 vl201-br2.pnj1.choopa.net (108.61.16.85) 16.378 ms 16.297 ms vl202-br1.pnj1.choopa.net (108.61.16.81) 32.560 ms
5 vl42-er1-q8.pnj1.choopa.net (108.61.2.90) 2.058 ms 2.029 ms 10.64.0.26 (10.64.0.26) 1.544 ms
6 ISP's peering/transit POP 29.464 ms 31.163 ms 29.953 ms
7 ISP's remote datacenter 32.409 ms 31.071 ms 32.354 ms
8 ISP's local CO 37.640 ms 37.613 ms 37.584 ms
9 Me 37.555 ms 37.530 ms *
New York City is over 1000 miles away, yet the ISP is announcing at several NYC IXs. This also applies to Oregon, California, Texas, and Illinois. All major IX locations.
A small local ISP, about 30,000 customers state wide. They have an unbundled $40 non-intro zero-fees symmetric 70Mb package. I can't see them making huge amounts of net profit. I assume that whatever practice they're doing is relatively affordable and therefore common.
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