Lava's IPv6 Subnet Prefix Reference Chart v0.1

CIDR 2^x Host Bits
# of Hosts # of /96s
# of /64s # of /56s
# of /48s
Netmask (dec)
Hex - ifconfig(8) ACL Netmask
(Cisco)
Binary Netmask
/0
2^128
340,282,366,920,938,463,463,374,607,431,768,211,456
-
-
-
-

0000:0000:0000:0000:0000:0000:0000:00000

- 
/8
2^120
1.3292279957849158729038070602803e+36
-
-
-
-




/16
2^112
5.1922968585348276285304963292201e+33
-
-
-
-




/32
2^96
79228162514264337593543950336
18446744073709551616
4294967296
16777216
65536




/48 (*)
2^80
1208925819614629174706176
281474976710656
65536
256
1




-------




-----





/49
2^79


32768
128
-




/50
2^78


16383
64
-




/51
2^77


8192
32
-




/52
2^76


4096
16
-




/53
2^75


2048
8
-




/54
2^74


1024
4
-




/55
2^73


512
2
-




/56
2^72
4722366482869645213696
1099511627776
256
1
-




/57
2^71


128
-
-




/58
2^70


64
-
-




/59
2^69


32
-
-




/60
2^68


16
-
-




/61
2^67


8
-
-




/62
2^66


4
-
-




/63
2^65


2
-
-




/64
2^64
18446744073709551616
4294967296
1
-
-

ffff:ffff:ffff:ffff:0000:0000:0000:0000


/96
2^32
4294967296 (4 billion)
-
-
-
-




------










/97
2^31
2147483648








---------










/126
2^2
4








/127
2^1
2








/128
2^0
1
-
 -


-
ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff

Special IPv6/Multicast Address Quickref (From WIKIPEDIA, 12/2015)

Address Description Available Scopes
ff0X::1 All nodes address, identify the group of all IPv6 nodes Available in scope 1 (interface-local) and 2 (link-local):
  • ff01::1 All nodes in the interface-local
  • ff02::1 All nodes in the link-local
ff0X::2 All routers Available in scope 1 (interface-local), 2 (link-local) and 5 (site-local):
  • ff01::2 All routers in the interface-local
  • ff02::2 All routers in the link-local
  • ff05::2 All routers in the site-local
ff02::5 OSPFIGP 2 (link-local)
ff02::6 OSPFIGP Designated Routers 2 (link-local)
ff02::9 RIP Routers 2 (link-local)
ff02::a EIGRP Routers 2 (link-local)
ff02::d All PIM Routers 2 (link-local)
ff02::1a All RPL Routers 2 (link-local)
ff0X::fb mDNSv6 Available in all scopes
ff0X::101 All Network Time Protocol (NTP) servers Available in all scopes
ff02::1:1 Link Name 2 (link-local)
ff02::1:2 All-dhcp-agents 2 (link-local)
ff02::1:3 Link-local Multicast Name Resolution 2 (link-local)
ff05::1:3 All-dhcp-servers 5 (site-local)
ff02::1:ff00:0/104 2 (link-local)
ff02::2:ff00:0/104 Node Information Queries 2 (link-local)