[7665] in North American Network Operators' Group
Sprint filters
daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Wed Feb 19 06:54:52 1997
Date: Wed, 19 Feb 1997 13:53:02 +0200 (IST)
From: Hank Nussbacher <hank@ibm.net.il>
To: nanog@merit.edu
I have an organization which I allocated 147.237.0.0/16 from my country
block. They then wanted to subnet and hand out /24s and /23s to the
dozens of offices they have scattered thru the country and to allow each
office to connect to whatever ISP they wish. I told them that Sprint
would block the announcements of /24s and the like when coming from
147.237.0.0.
They said, then why does Sprint allow its customers to announce /24s from
their nets? They gave me as examples: 148.212.0.0 and 145.248.0.0.
I checked and sure enough here is what I found:
*>i148.212.1.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.2.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.3.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.4.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.5.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.6.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.7.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.8.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.9.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.10.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.11.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.12.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.13.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.14.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.15.0/24 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.16.0/20 192.121.156.41 100 0 1800 1239 1791
1292 i
*>i148.212.32.0/20 192.121.156.41 100 0 1800 1239 1791
1292 i
I didn't have a good answer. Can anyone tell me what I should tell this
organization?
Thanks,
Hank
