IP address range for BlackBerry BIS servers

13. March 2013 SysAdmin 0

Do you know that Blackberry uses their own BIS servers to provide email facility to blackberry mobile users ?

Yes, When you access any email server from you BlackBerry mobile, The request is originating from the Blackberry BIS server IP, and not from your Public IP.

So, To provide proper communication between the BlackBerry Internet Service and the BlackBerry smartphone users email messaging environment, the Mail Service Provider must allow traffic from the following Internet Protocol (IP) ranges to ensure proper communication with the BlackBerry Infrastructure.

The IP rage is available [on this BlackBerry KB Link](http://btsc.webapps.blackberry.com/btsc/viewdocument.do?noCount=true&externalId=KB11036&sliceId=2&dialogID=63832630&cmd=displayKC&docType=kc&stateId=1+0+63826436&ViewedDocsListHelper=com.kanisa.apps.common.BaseViewedDocsListHelperImpl)

At the time of this writing, The following IPs are available on the link.

IP Address

NetMask

CIDR Notation

Range

Start

End

206.51.26.0

255.255.255.0

206.51.26.0/24

206.51.26.0

 206.51.26.255

193.109.81.0

255.255.255.0

193.109.81.0/24

193.109.81.0

193.109.81.255

204.187.87.0

255.255.255.0

204.187.87.0/24

 204.187.87.0

204.187.87 .255

206.53.144.0

255.255.240.0

206.53.144.0/20

206.53.144.0

206.53.159.255

216.9.240.0

255.255.240.0

216.9.240.0/20

 216.9.240.0

216.9.255.255

67.223.64.0

255.255.224.0

67.223.64.0/19

 67.223.64.0

 67.223.95.255

93.186.16.0

255.255.240.0

93.186.16.0/20

93.186.16.0

 93.186.31.255

68.171.224.0

255.255.224.0

68.171.224.0/19

 68.171.224.0

 68.171.255.255

74.82.64.0

255.255.224.0

74.82.64.0/19

 74.82.64.0

74.82.95.255

173.247.32.0

255.255.224.0

173.247.32.0/19

 173.247.32.0

173.247.63.255

178.239.80.0

255.255.240.0

178.239.80.0/20

 178.239.80.0

178.239.95.255

180.149.148.0

255.255.252.0

180.149.148.0/22

180.149.148.0

180.149.151.255

180.168.204.0

255.255.252.0

180.168.204.0/22

 180.168.204.0

180.168.207.255

5.100.168.0 255.255.248.0

5.100.168.0/21

 5.100.168.0

5.100.175.255

131.117.168.0

255.255.248.0

131.117.168.0/21

 131.117.168.0

131.117.175.255

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