17.158.28.48 is this iCloud?

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mikep333


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every time i restart my computer norton asks me to allow a connection from 17.158.28.48 i looked up the ip address and found it it be in cuppertino california. is this just iCloud servers? should i allow this connection? or block it:
 
bobtomay

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That IP indeed belongs to Apple.
 
vansmith

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Sure does. Here's the 'whois' result:
[whois.arin.net]
#
# Query terms are ambiguous. The query is assumed to be:
# "n 17.158.28.48"
#
# Use "?" to get help.
#

#
# The following results may also be obtained via:
# http://whois.arin.net/rest/nets;q=17.158.28.48?showDetails=true&showARIN=false&ext=netref2
#

NetRange: 17.0.0.0 - 17.255.255.255
CIDR: 17.0.0.0/8
OriginAS:
NetName: APPLE-WWNET
NetHandle: NET-17-0-0-0-1
Parent:
NetType: Direct Assignment
RegDate: 1990-04-16
Updated: 2010-04-09
Ref: http://whois.arin.net/rest/net/NET-17-0-0-0-1

OrgName: Apple Inc.
OrgId: APPLEC-1-Z
Address: 20400 Stevens Creek Blvd., City Center Bldg 3
City: Cupertino
StateProv: CA
PostalCode: 95014
Country: US
RegDate: 2009-12-14
Updated: 2011-03-08
Ref: http://whois.arin.net/rest/org/APPLEC-1-Z

OrgAbuseHandle: APPLE11-ARIN
OrgAbuseName: Apple Abuse
OrgAbusePhone: +1-408-974-7777
OrgAbuseEmail: [email protected]
OrgAbuseRef: http://whois.arin.net/rest/poc/APPLE11-ARIN

OrgTechHandle: ZA42-ARIN
OrgTechName: Apple Computer Inc
OrgTechPhone: +1-408-974-7777
OrgTechEmail: [email protected]
OrgTechRef: http://whois.arin.net/rest/poc/ZA42-ARIN

RTechHandle: ZA42-ARIN
RTechName: Apple Computer Inc
RTechPhone: +1-408-974-7777
RTechEmail: [email protected]
RTechRef: http://whois.arin.net/rest/poc/ZA42-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
Click to expand...
That would be one of many iCloud IPs. As you can see here, the iCloud website has a very different IP (it's even hosted in a different country). The IP you gave us comes from Cupertino while the iCloud webpage is hosted on a European server (more specifically, in the UK).
 
Dysfunction

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Well, from that I can conclude that Apple owns the entire /8 block

For what it's worth, apple.com, me.com etc are all held within that 17/8 range.
 
vansmith

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You are indeed correct (here). Not to get sidetracked but I've never quite understood why corporations need whole /8 blocks especially when one considers that they've all be allocated.
 

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