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After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

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Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#91
post #4

Earlier quoted context omitted.

A cursory Google search would have revealed that BGP is Border Gateway Protocol.

Why did people downvote a pretty appropriate snark while not downvoting a question that took longer to ask than the google search would have taken?

https://news.ycombinator.com/newsguidelines.html

"Be civil. Don't say things you wouldn't say in a face-to-face conversation. Avoid gratuitous negativity."

There are things people don't know. I find xkcd's attitude a useful one to keep in mind:

https://www.xkcd.com/1053/

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#92
post #24
post #9

That is amazing. Does anyone have similar examples of weird technological art?

https://www.youtube.com/watch?v=RAbyeM2C1Oc Jump to 5:20 to hear Aphex Twin's face.

Also these animations in a spectrograph:

https://www.youtube.com/watch?v=Hxx6Gqf1Q4w

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#93
post #9

That is amazing. Does anyone have similar examples of weird technological art?

Oscilloscope music. The idea is that you display the left and right channels on an oscilloscope in XY mode.

https://www.youtube.com/watch?v=XziuEdpVUe0

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#94

pretty effin' great... this strikes me as a new variation of the Hellschreiber technique: https://en.wikipedia.org/wiki/Hellschreiber

That's just impressive for being minimalistic, not for what it does. We had better faxes at least 50 years earlier (https://en.wikipedia.org/wiki/Fax#Wire_transmission), and (lousy) television using the same principle at about the same time (https://en.wikipedia.org/wiki/Mechanical_television)

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#95
post #3

Whats BGP?

BGP is basically what routes the internet. It handles the routing of traffic between ASs (autonomous systems - independent networks owned by companies, with their own sets of public IP ranges). BGP is super complex, and it takes a lot of experience to understand the intricacies involved. Also BGP peering configurations are generally confidential, so much of BGP (which again, is literally the core of the internet) happens in the dark. There have been academic studies to try mapping out BGP routes, and you can see the routes when you do a traceroute. Somehow it all manages to work, mostly :).

If you want to play with BGP, download Quagga - its interface emulates the Cisco router interface. Documentation is poor but you can just reference Cisco docs.

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#96
post #79
post #73

Earlier quoted context omitted.

The prefixes are probably announced in aggregated form anyhow further upstream. The announcements and deannouncements are/were therefore redundant. At least't that's my hunch. We could check the same monitor though :)

AS15562 appears to be an employee of NTT out of the Netherlands. I can't tell if AS15562 is for personal or work, maybe both: http://bgp.he.net/AS15562 I couldn't care less about the IPv6 prefixes, but the IPv4 ones are all /24s made from 209.24.0.0/16, which is registered to NTT (AS2914). 209.24/16 is publicly announced (and has been for a very long time), and is routed through NTT Amsterdam routers. I haven't looke…

> What this says is: "NTT has a /16 they're fooling around with publicly",

While this may be a lot for typical users, it's not huge for a large IT company. You know that HP has 2 /8s, right?

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#98
post #79

Earlier quoted context omitted.

AS15562 appears to be an employee of NTT out of the Netherlands. I can't tell if AS15562 is for personal or work, maybe both: http://bgp.he.net/AS15562 I couldn't care less about the IPv6 prefixes, but the IPv4 ones are all /24s made from 209.24.0.0/16, which is registered to NTT (AS2914). 209.24/16 is publicly announced (and has been for a very long time), and is routed through NTT Amsterdam routers. I haven't looke…

> What this says is: "NTT has a /16 they're fooling around with publicly", While this may be a lot for typical users, it's not huge for a large IT company. You know that HP has 2 /8s, right?

Yeah, I'm familiar with the original companies that have /8 allocations per IANA. I started using the 'net in 1989.

I'm also aware many of those places have either refused to relinquish space, or have done so but have no more to give back. Quoting Doug Barton, former manager at IANA, July 2015: "... Many orgs did give back space and/or swap allocations. But that well ran dry long ago" (if you need a reference link for that quote, let me know).

A recent example of relinquishing space is 18.0.0.0/8 (previously MIT) as of April 2017, which now has many /16 and /24 segments delegated to companies such as Comcast (ex. 18.10.0.0/16), Amazon (ex. 18.145.0.0/16), and Akamai (ex. 18.255.255.0/24), while many larger portions still reside with MIT (ex. 18.128.0.0/12, 18.0.0.0/9, 18.144.0.0/16).

My point of giving examples: note all the /16s. If you need further examples, refer to IANA's Recovered Address Space document and note the subnet sizes (many are much smaller than a /16): https://www.iana.org/assignments/ipv4-recovered-address-spac...

Every little bit counts.

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#99
post #33
post #15

This sort of endearing Internet-scale thing reminds me of how NTT changes their reverse DNS's ( https://mailman.nanog.org/pipermail/nanog/2016-February/0841... ). There's other vanity reverse-DNS tricks that you can see in traceroutes, but this is done with a global-scale IPv4/IPv6 network that actually is carrying a lot of customer traffic. Try "traceroute ntt.net" now, you'll see hops like: 9 ae-19.sayonara-todd.r0…

It might amuse you to know the same NTT people are behind the BGP Nyancat :-)

Is this NTT as in "Nippon Telegraph and Telephone"? It's a surprising and welcome sight to see such shenanigans coming out of a Japanese mega corporation that used to be owned by the government, and now operations in a heavily regulated industry.

Re: After 3072 hours of manipulating BGP, a Nyancat was drawn on this RIPE interface

#100
post #33

Earlier quoted context omitted.

It might amuse you to know the same NTT people are behind the BGP Nyancat :-)

Is this NTT as in "Nippon Telegraph and Telephone"? It's a surprising and welcome sight to see such shenanigans coming out of a Japanese mega corporation that used to be owned by the government, and now operations in a heavily regulated industry.

yes! It is probably more accurate to think of NTT as many smaller companies.

These guys are from GIN and are some of the best people I've had the pleasure of working with, both on a personal and professional level.

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