Property talk:P3761

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IPv4 routing prefix
range of IPv4 addresses

Description	range of IPv4 addresses owned
Represents	IPv4 routing prefix (Q29001140)
Data type	String
Domain	organization (Q43229) (note: this should be moved to the property statements)
Allowed values	(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]?|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]?|25[0-5])\/([0-9]|[12][0-9]|3[0-2])
Example	University of Oxford (Q34433) → 163.1.0.0/16 Helsinki University Central Hospital (Q246315) → 193.166.190.0/24
Source	https://www.ripe.net/manage-ips-and-asns/db https://www.arin.net/ https://www.apnic.net/ https://www.afrinic.net/ https://www.lacnic.net/ https://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml
Tracking: usage	Category:Pages using Wikidata property P3761 (Q121599259)
See also	IPv6 routing prefix (P3793), autonomous system number (P3797)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P3761 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,365 Main statement 2,363 >99.9% of uses Qualifier 2 <0.1% of uses
Search for values

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Format “(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]?|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]?|25[0-5])\/([0-9]|[12][0-9]|3[0-2])”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3761#Format, hourly updated report, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P3761#Unique value, SPARQL (every item), SPARQL (by value)

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P3761#Scope, hourly updated report, SPARQL

This property is being used by: uk:Шаблон:Картка:Університет Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Merging IP ranges

In my first additions of IP ranges to institutions I have added the ranges as they are represented by RIPE, but in fact some of these ranges can be merged. For instance on University of Orléans (Q13334), the IP ranges '193.49.80.0/24','193.49.81.0/24','193.49.82.0/24','193.49.83.0/24' can be merged into '193.49.80.0/22'. I plan to merge automatically these ranges in the coming days. − Pintoch (talk) 20:57, 4 April 2017 (UTC)