[ARIN-Suggestions] Response to Suggestion 2014.12: WHOIS RESPONSE FOR IPV6 UNIQUE LOCAL ADDRESSES FC00::/7

ARIN info at arin.net
Tue Jul 1 15:59:01 EDT 2014

ARIN has issued its final response to ACSP Suggestion 2014.2. The 
suggestion and response text are provided below. This suggestion is now 
closed and is available at:



Communications and Member Services
American Registry for Internet Numbers (ARIN)

Suggestion: *

Please install a 'whois' entry for IPv6 Unique Local Addresses fc00::/7

When performing this query:

$ whois -h whois.arin.net fc00::/7
. . . the results are:
No match found for fc00::/7.

However, per http://tools.ietf.org/html/rfc4193, that prefix has been 
identified as "Unique Local" addressing. RIPE has registered it accordingly:

$ whois -h whois.ripe.net fc00::/7
inet6num: fc00::/7
netname: IANA-BLK
descr: Unique Local Addresses (ULAs)
country: EU # Country is really world wide
admin-c: IANA1-RIPE
tech-c: RFC1918-RIPE
mnt-lower: RIPE-NCC-HM-MNT
remarks: MNTNER added for RIPE NCC DB Group testing 20121024
More specific objects will be created and deleted
during this testing over the next few days
mnt-lower: aardvark-mnt
remarks: This network should never be routed outside an enterprise
remarks: See RFC4193 for further information
remarks: This network in not allocated.


ARIN Comment
19 June 2014

Your suggestion to add a an entry into ARIN's Whois for IPv6 Unique 
Local Addresses fc00::/7 makes sense, and is something that ARIN will 
follow up on and complete within the next two weeks.

This suggestion will remain open until implementation is complete.

ARIN Comment
01 July 2014

Thank you again for submitting your suggestion to add a 'whois' entry 
for IPv6 Unique Local Addresses fc00::/7. We are writing to inform you 
this action has been taken. When you query for an address inside that 
range you will now see a corresponding whois entry. Note that we 
currently have a size limitation of /12 for IPv6 netblocks in whois, so 
the entry appears as 32 separate /12 records, however the entire /7 
range is covered by an entry. We will be updating whois to allow IPv6 
netblocks larger than /12 in the near future and the /7 will then appear 
as a single entry.

This suggestion is now closed.
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