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User guide

ManualsBrandsCabletron Systems ManualsSwitch150
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ISDN Router
114
Appendix B. Subnetwork Tables
Numbers of
Users
Mask in
decimal
Mask in
hexadecimal
Bits in
mask
Range of valid
addresses
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .1 - .6
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .9 - .14
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .17 - . 22
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .25 - .30
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .33 - .38
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .41 - .46
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .49 - .54
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .57 - .62
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .65 - .70
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .73 - . 78
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .81 - .86
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .89 - .94
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .97 - .102
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .105 - .110
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .113 - .118
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .121 - .126
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .129 - .134
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .137 - .142
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .145 - .150
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .153 - .158
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .161 - .166
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .169 - .174
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .177 - .182
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .185 - .190
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .193 - .198
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .201 - .206
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .209 - .214
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .217 - .222
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .225 - .230
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .233 - .238
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .241 - .246
5 (+ 1 router) 255.255.255.248 FFFFFFF8 29 .249 - .254
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .1 - .14
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .17 - .30
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .33 - .46
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .49 - .62
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .65 - . 78
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .81 - .94
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .97 - .110
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .113 - .126
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .129 - .142
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .145 - .158
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .161 - .174
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .177 - .190
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .193 - .206
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .209 - .222
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .225 - .238
13 (+ 1 router) 255.255.255.240 FFFFFFF0 28 .241 - .254
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .1 - .30
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .33 - .62
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .65 - .94
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .97 - .126
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .129 - .158
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .161 - .190
29 (+ 1 router) 255.255.255.224 FFFFFFE0 27 .193 - .222
29 (+ 1 router)
255.255.255.224
FFFFFFE0
27
.225 - .254
61 (+ 1 router) 255.255.255.192 FFFFFFC0 26 .1 - .62
61 (+ 1 router) 255.255.255.192 FFFFFFC0 26 .65 - .126
61 (+ 1 router) 255.255.255.192 FFFFFFC0 26 .129 - .190
61 (+ 1 router)
255.255.255.192
FFFFFFC0
26
.193 - .254
125 (+ 1 router) 255.255.255.128 FFFFFF80 25 .1 - .126
125 (+ 1 router) 255.255.255.128 FFFFFF80 25 .129 - .254
254 (+ 1 router) 255.255.255.0 FFFFFF00 24 .1 - .254
Note 1: the router should be the lowest address in the given range.
Note 2: the mask 255.255.255.252 is legal, but it only provides for 2 addresses.