[apnic-announce] in-addr.arpa zone generation process to change (fwd fro
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IMPORTANT OPERATIONAL ADVICE FOR ORGANISATIONS WITH
NETWORKS CURRENTLY REVERSE-DELEGATED BY ARIN.
The following message contains information relating to forthcoming changes
in the generation of in-addr.arpa zone files by ARIN, the American
Registry for Internet Numbers.
Please note that it does not directly affect reverse delegations
held/generated by APNIC.
Regards,
Anne Lord
APNIC
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APNIC Secretariat
<secretariat at apnic dot net>
Tel: +61-7-3367-0490
Asia Pacific Network Information Centre (APNIC) Ltd Fax: +61-7-3367-0482
Level 1, 33 Park Road, PO Box 2131, Milton, QLD 4064, Australia
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-----Begin Forwarded Message -----
From: On Behalf Of ARIN IN-ADDR Role <inaddr at arin dot net>
Sent: Thursday, May 17, 2001 4:18 PM
To: arin-announce at arin dot net
Cc: nanog at nanog dot org
Subject: in-addr.arpa zone generation process to change
When ARIN began operations, one of the tasks that it took over
from the InterNIC was the generation of the zone file for the
in-addr.arpa domain. In order to correct long-standing issues
with the data in the zone file, new software is being deployed.
ARIN policy states that allocation subscribers with networks
of /16 or shorter prefix are responsible for maintaining all
in-addr.arpa domain records for reassignments within the block.
They must also provide to ARIN the host names of the
nameservers hosting any delegations. ARIN will continue to
host domain records for delegations of networks with prefixes
longer than /16.
The in-addr.arpa zone will contain delegations for any /8
containing nameservers within ARIN's database. For address
space not covered via these delegations, the in-addr.arpa
domain will contain delegations for /16's with nameservers.
For address space still not delegated and as mentioned above,
the in-addr.arpa domain will contain delegations of /24's for
networks longer than a /16 containing in-addr nameservers.
In all cases, the most specific reassignment with nameservers
at each octet boundary will prevail.
ARIN is making every effort to ensure that any impact from
these changes will not disrupt in-addr.arpa name services.
If you have concerns whether in-addr.arpa name services will
be impacted for your networks, please review examples of the
changes to occur at:
http://www.arin.net/inaddr/inaddr-examples.txt
If you still have concerns after reviewing these examples,
please direct specific questions about your networks to
inaddr at arin dot net. We have tentatively scheduled implementation
of the new process for late May or early June. A specific date
will be announced several days prior to the cut-over on both
the arin-announce and nanog mailing lists.
Regards,
Ginny Listman
Director of Engineering
ARIN
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