Simulator IP Addresses

Range Used

Start/NPL	End	Count	Date	Official
8.2.32.0/22	8.2.35.255	1024	September 2007 *	Yes
8.4.128.0/22	8.4.131.255	1024	2007-11-19 *	No
63.210.156.0/22	63.210.159.255	1024	April 2007 *	Yes
64.129.40.0/21	64.129.47.255	2048	August 2007 *	Yes
64.154.220.0/22	64.154.223.255	1024	April 2007 *	Yes
66.150.244.0/23	66.150.245.255	512	2004-03-23	Yes
69.25.104.0/23	69.25.105.255	512	2004-08-17	Yes
72.5.12.0/22	72.5.15.255	1024	2005-05-26	Yes
Total Number of addresses:		8192

^{Date fields marked with * indicate that the date does not match with that of ARIN's records}

There can be up to 4 regions per server under the current configuration. When a region is taken down and brought back up it may not be on the same server.

Sources:

• SL Knowledge Base: What are Second Life's subnets? (just login to the kb and it will take you to the article)
• [1]
• [2]
• [3]
• [4]

Ranges Owned by Linden Lab

Registered with ARIN as of 2007-10-22

http://ws.arin.net/whois/?queryinput=Linden+Lab

Start/NPL	End	Count	Date
8.2.32.0/22	8.2.35.255	1024	2007-10-19
8.10.144.0/21	8.10.151.255	2048	2007-10-19
63.210.156.0/22	63.210.159.255	1024	2007-10-19
64.131.94.64/26	64.131.94.127	64	2007-10-19
64.154.220.0/22	64.154.223.255	1024	2007-10-19
66.150.244.0/23	66.150.245.255	512	2004-03-23
69.25.104.0/23	69.25.105.255	512	2004-08-17
72.5.12.0/22	72.5.15.255	1024	2005-05-26
209.237.226.192/27	209.237.226.223	32	2003-01-15
Total Number of addresses:		7264