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RE: 2001:590::/32 announced by both AS4436 (nLayer) and AS4474 (Global Village, no contact in whois, but seems to be nLayer...)

  • From: Matthew Kaufman
  • Date: Tue Mar 16 11:54:50 2004

Brief history of AS 4436: was founded in 1993, and incorporated about a year later.
   AS 4436 was obtained in 1995 so that could connect to MAE West. was acquired in 1996 by Netsource Communications who continued
to operate as a subsidiary.
   Netsource Communications went bankrupt in 1997.
   The assets were purchased by Tycho Networks, Inc. (
in 1998. added PAIX and PacBell NAP connections.
   Tycho Networks was acquired in 1999 by added PAIX-VA, MAE ATM West, MAE ATM East, AADS NAP, and NYIIX
   This month, switched to an all-transit network model and the
peering assets (all NAP connections, associated routers, and the AS number)
were acquired by nLayer.

Authority/Disclaimer: I was a founder of, a founder of,
and am employed by You'll also note that I am the contact for the
'SCCI' OrgID. Some day all of the paperwork for the entire history will make
its way through ARIN, and AS 4436 will be under the nLayer OrgID and the IP addresses will be under the OrgID. But I've learned to
not hold my breath while ARIN works.

Matthew Kaufman

> -----Original Message-----
> From: [] On 
> Behalf Of william(at)
> Why would nlayer be now using AS4436? It is listed as 
>, but as 
> far as I remember scruz was taken overy by DSL.NET (I think that even 
> included their peering agreements) and some of their ip block such as 
>, and others certainly seem to 
> confirm that.

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