Telcordia's Christian Huitema conducts an ongoing survey that counts, among
other things, the amount of allocated IPv4 space and number of hosts in
classes A, B, and C. You can find a recent sample here:

ftp://ftp.telcordia.com/pub/huitema/stats/oct99.html#efficiency

Regards,
David Newman
Network Test


> -----Original Message-----
> From: Pete Loshin [mailto:[EMAIL PROTECTED]]
> Sent: Friday, November 26, 1999 6:15 AM
> To: [EMAIL PROTECTED]
> Subject: IP network address assignments/allocations information?
>
>
> Hi. I'm trying to track down some information about IP network address
> allocations/assignments. Specifically, I'm looking for some reasonable
> estimate of the number/proportion of Class B/Class C networks that have
> been assigned out of the entire amount possible.
>
> The allocation of address space to registries (and Class A assignments) is
> available at:
>
> http://www.isi.edu/in-notes/iana/assignments/ipv4-address-space
>
> And I know that the IMRs (Internet Monthly Reports) used to
> contain monthly
> updates of network assignments by class--but that series ended
> (didn't it?)
> and of the ones I've read, some are missing those figures. So that's not a
> practical solution.
>
> I'm pretty sure that I've seen figures about the total number of Class
> B/Class C networks assigned (and/or allocated to ISPs for reassignment).
> I'd be very grateful if someone could point me in the right direction.
>
> Thank you!
> -pl
>
>
> +-------------------------------------------------------------+
> | Pete Loshin                    http://Internet-Standard.com |
> |                                                             |
> | _IPv6 Clearly Explained_ Morgan Kaufmann January 1999       |
> | _TCP/IP Clearly Explained_ 3rd ed Morgan Kaufmann June 1999 |
> |                                                             |
> +-------------------------------------------------------------+
>
> -
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