IPアドレス学習用の2進数対応表

2^0から2^7までの乗算した値と2進数の対応表

Power of 2	Decimal	Binary
2^0	1	1
2^1	2	10
2^2	4	100
2^3	8	1000
2^4	16	10000
2^5	32	100000
2^6	64	1000000
2^7	128	10000000

0から255までの2進数の対応表

Decimal	Binary	Calculation
0	00000000	0
1	00000001	(2^0 = 1)
2	00000010	(2^1 = 2)
3	00000011	(2^1 + 2^0 = 2 + 1 = 3)
4	00000100	(2^2 = 4)
5	00000101	(2^2 + 2^0 = 4 + 1 = 5)
6	00000110	(2^2 + 2^1 = 4 + 2 = 6)
7	00000111	(2^2 + 2^1 + 2^0 = 7)
8	00001000	(2^3 = 8)
9	00001001	(2^3 + 2^0 = 8 + 1 = 9)
10	00001010	(2^3 + 2^1 = 8 + 2 = 10)
11	00001011	(2^3 + 2^1 + 2^0 = 11)
12	00001100	(2^3 + 2^2 = 8 + 4 = 12)
13	00001101	(2^3 + 2^2 + 2^0 = 13)
14	00001110	(2^3 + 2^2 + 2^1 = 14)
15	00001111	(2^3 + 2^2 + 2^1 + 2^0 = 15)
16	00010000	(2^4 = 16)
17	00010001	(2^4 + 2^0 = 16 + 1 = 17)
18	00010010	(2^4 + 2^1 = 16 + 2 = 18)
19	00010011	(2^4 + 2^1 + 2^0 = 19)
20	00010100	(2^4 + 2^2 = 16 + 4 = 20)
21	00010101	(2^4 + 2^2 + 2^0 = 21)
22	00010110	(2^4 + 2^2 + 2^1 = 22)
23	00010111	(2^4 + 2^2 + 2^1 + 2^0 = 23)
24	00011000	(2^4 + 2^3 = 24)
25	00011001	(2^4 + 2^3 + 2^0 = 25)
26	00011010	(2^4 + 2^3 + 2^1 = 26)
27	00011011	(2^4 + 2^3 + 2^1 + 2^0 = 27)
28	00011100	(2^4 + 2^3 + 2^2 = 28)
29	00011101	(2^4 + 2^3 + 2^2 + 2^0 = 29)
30	00011110	(2^4 + 2^3 + 2^2 + 2^1 = 30)
31	00011111	(2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 31)
32	00100000	(2^5 = 32)
33	00100001	(2^5 + 2^0 = 32 + 1 = 33)
34	00100010	(2^5 + 2^1 = 32 + 2 = 34)
35	00100011	(2^5 + 2^1 + 2^0 = 35)
36	00100100	(2^5 + 2^2 = 32 + 4 = 36)
37	00100101	(2^5 + 2^2 + 2^0 = 37)
38	00100110	(2^5 + 2^2 + 2^1 = 38)
39	00100111	(2^5 + 2^2 + 2^1 + 2^0 = 39)
40	00101000	(2^5 + 2^3 = 40)
41	00101001	(2^5 + 2^3 + 2^0 = 41)
42	00101010	(2^5 + 2^3 + 2^1 = 42)
43	00101011	(2^5 + 2^3 + 2^1 + 2^0 = 43)
44	00101100	(2^5 + 2^3 + 2^2 = 44)
45	00101101	(2^5 + 2^3 + 2^2 + 2^0 = 45)
46	00101110	(2^5 + 2^3 + 2^2 + 2^1 = 46)
47	00101111	(2^5 + 2^3 + 2^2 + 2^1 + 2^0 = 47)
48	00110000	(2^5 + 2^4 = 48)
49	00110001	(2^5 + 2^4 + 2^0 = 49)
50	00110010	(2^5 + 2^4 + 2^1 = 50)
51	00110011	(2^5 + 2^4 + 2^1 + 2^0 = 51)
52	00110100	(2^5 + 2^4 + 2^2 = 52)
53	00110101	(2^5 + 2^4 + 2^2 + 2^0 = 53)
54	00110110	(2^5 + 2^4 + 2^2 + 2^1 = 54)
55	00110111	(2^5 + 2^4 + 2^2 + 2^1 + 2^0 = 55)
56	00111000	(2^5 + 2^4 + 2^3 = 56)
57	00111001	(2^5 + 2^4 + 2^3 + 2^0 = 57)
58	00111010	(2^5 + 2^4 + 2^3 + 2^1 = 58)
59	00111011	(2^5 + 2^4 + 2^3 + 2^1 + 2^0 = 59)
60	00111100	(2^5 + 2^4 + 2^3 + 2^2 = 60)
61	00111101	(2^5 + 2^4 + 2^3 + 2^2 + 2^0 = 61)
62	00111110	(2^5 + 2^4 + 2^3 + 2^2 + 2^1 = 62)
63	00111111	(2^5 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 63)
64	01000000	(2^6 = 64)
65	01000001	(2^6 + 2^0 = 64 + 1 = 65)
66	01000010	(2^6 + 2^1 = 64 + 2 = 66)
67	01000011	(2^6 + 2^1 + 2^0 = 67)
68	01000100	(2^6 + 2^2 = 64 + 4 = 68)
69	01000101	(2^6 + 2^2 + 2^0 = 69)
70	01000110	(2^6 + 2^2 + 2^1 = 70)
71	01000111	(2^6 + 2^2 + 2^1 + 2^0 = 71)
72	01001000	(2^6 + 2^3 = 72)
73	01001001	(2^6 + 2^3 + 2^0 = 73)
74	01001010	(2^6 + 2^3 + 2^1 = 74)
75	01001011	(2^6 + 2^3 + 2^1 + 2^0 = 75)
76	01001100	(2^6 + 2^3 + 2^2 = 76)
77	01001101	(2^6 + 2^3 + 2^2 + 2^0 = 77)
78	01001110	(2^6 + 2^3 + 2^2 + 2^1 = 78)
79	01001111	(2^6 + 2^3 + 2^2 + 2^1 + 2^0 = 79)
80	01010000	(2^6 + 2^4 = 80)
81	01010001	(2^6 + 2^4 + 2^0 = 81)
82	01010010	(2^6 + 2^4 + 2^1 = 82)
83	01010011	(2^6 + 2^4 + 2^1 + 2^0 = 83)
84	01010100	(2^6 + 2^4 + 2^2 = 84)
85	01010101	(2^6 + 2^4 + 2^2 + 2^0 = 85)
86	01010110	(2^6 + 2^4 + 2^2 + 2^1 = 86)
87	01010111	(2^6 + 2^4 + 2^2 + 2^1 + 2^0 = 87)
88	01011000	(2^6 + 2^4 + 2^3 = 88)
89	01011001	(2^6 + 2^4 + 2^3 + 2^0 = 89)
90	01011010	(2^6 + 2^4 + 2^3 + 2^1 = 90)
91	01011011	(2^6 + 2^4 + 2^3 + 2^1 + 2^0 = 91)
92	01011100	(2^6 + 2^4 + 2^3 + 2^2 = 92)
93	01011101	(2^6 + 2^4 + 2^3 + 2^2 + 2^0 = 93)
94	01011110	(2^6 + 2^4 + 2^3 + 2^2 + 2^1 = 94)
95	01011111	(2^6 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 95)
96	01100000	(2^6 + 2^5 = 96)
97	01100001	(2^6 + 2^5 + 2^0 = 97)
98	01100010	(2^6 + 2^5 + 2^1 = 98)
99	01100011	(2^6 + 2^5 + 2^1 + 2^0 = 99)
100	01100100	(2^6 + 2^5 + 2^2 = 100)
101	01100101	(2^6 + 2^5 + 2^2 + 2^0 = 101)
102	01100110	(2^6 + 2^5 + 2^2 + 2^1 = 102)
103	01100111	(2^6 + 2^5 + 2^2 + 2^1 + 2^0 = 103)
104	01101000	(2^6 + 2^5 + 2^3 = 104)
105	01101001	(2^6 + 2^5 + 2^3 + 2^0 = 105)
106	01101010	(2^6 + 2^5 + 2^3 + 2^1 = 106)
107	01101011	(2^6 + 2^5 + 2^3 + 2^1 + 2^0 = 107)
108	01101100	(2^6 + 2^5 + 2^3 + 2^2 = 108)
109	01101101	(2^6 + 2^5 + 2^3 + 2^2 + 2^0 = 109)
110	01101110	(2^6 + 2^5 + 2^3 + 2^2 + 2^1 = 110)
111	01101111	(2^6 + 2^5 + 2^3 + 2^2 + 2^1 + 2^0 = 111)
112	01110000	(2^6 + 2^5 + 2^4 = 112)
113	01110001	(2^6 + 2^5 + 2^4 + 2^0 = 113)
114	01110010	(2^6 + 2^5 + 2^4 + 2^1 = 114)
115	01110011	(2^6 + 2^5 + 2^4 + 2^1 + 2^0 = 115)
116	01110100	(2^6 + 2^5 + 2^4 + 2^2 = 116)
117	01110101	(2^6 + 2^5 + 2^4 + 2^2 + 2^0 = 117)
118	01110110	(2^6 + 2^5 + 2^4 + 2^2 + 2^1 = 118)
119	01110111	(2^6 + 2^5 + 2^4 + 2^2 + 2^1 + 2^0 = 119)
120	01111000	(2^6 + 2^5 + 2^4 + 2^3 = 120)
121	01111001	(2^6 + 2^5 + 2^4 + 2^3 + 2^0 = 121)
122	01111010	(2^6 + 2^5 + 2^4 + 2^3 + 2^1 = 122)
123	01111011	(2^6 + 2^5 + 2^4 + 2^3 + 2^1 + 2^0 = 123)
124	01111100	(2^6 + 2^5 + 2^4 + 2^3 + 2^2 = 124)
125	01111101	(2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^0 = 125)
126	01111110	(2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 = 126)
127	01111111	(2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 127)
128	10000000	(2^7 = 128)
129	10000001	(2^7 + 2^0 = 128 + 1 = 129)
130	10000010	(2^7 + 2^1 = 128 + 2 = 130)
131	10000011	(2^7 + 2^1 + 2^0 = 131)
132	10000100	(2^7 + 2^2 = 128 + 4 = 132)
133	10000101	(2^7 + 2^2 + 2^0 = 133)
134	10000110	(2^7 + 2^2 + 2^1 = 134)
135	10000111	(2^7 + 2^2 + 2^1 + 2^0 = 135)
136	10001000	(2^7 + 2^3 = 136)
137	10001001	(2^7 + 2^3 + 2^0 = 137)
138	10001010	(2^7 + 2^3 + 2^1 = 138)
139	10001011	(2^7 + 2^3 + 2^1 + 2^0 = 139)
140	10001100	(2^7 + 2^3 + 2^2 = 140)
141	10001101	(2^7 + 2^3 + 2^2 + 2^0 = 141)
142	10001110	(2^7 + 2^3 + 2^2 + 2^1 = 142)
143	10001111	(2^7 + 2^3 + 2^2 + 2^1 + 2^0 = 143)
144	10010000	(2^7 + 2^4 = 144)
145	10010001	(2^7 + 2^4 + 2^0 = 145)
146	10010010	(2^7 + 2^4 + 2^1 = 146)
147	10010011	(2^7 + 2^4 + 2^1 + 2^0 = 147)
148	10010100	(2^7 + 2^4 + 2^2 = 148)
149	10010101	(2^7 + 2^4 + 2^2 + 2^0 = 149)
150	10010110	(2^7 + 2^4 + 2^2 + 2^1 = 150)
151	10010111	(2^7 + 2^4 + 2^2 + 2^1 + 2^0 = 151)
152	10011000	(2^7 + 2^4 + 2^3 = 152)
153	10011001	(2^7 + 2^4 + 2^3 + 2^0 = 153)
154	10011010	(2^7 + 2^4 + 2^3 + 2^1 = 154)
155	10011011	(2^7 + 2^4 + 2^3 + 2^1 + 2^0 = 155)
156	10011100	(2^7 + 2^4 + 2^3 + 2^2 = 156)
157	10011101	(2^7 + 2^4 + 2^3 + 2^2 + 2^0 = 157)
158	10011110	(2^7 + 2^4 + 2^3 + 2^2 + 2^1 = 158)
159	10011111	(2^7 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 159)
160	10100000	(2^7 + 2^5 = 160)
161	10100001	(2^7 + 2^5 + 2^0 = 161)
162	10100010	(2^7 + 2^5 + 2^1 = 162)
163	10100011	(2^7 + 2^5 + 2^1 + 2^0 = 163)
164	10100100	(2^7 + 2^5 + 2^2 = 164)
165	10100101	(2^7 + 2^5 + 2^2 + 2^0 = 165)
166	10100110	(2^7 + 2^5 + 2^2 + 2^1 = 166)
167	10100111	(2^7 + 2^5 + 2^2 + 2^1 + 2^0 = 167)
168	10101000	(2^7 + 2^5 + 2^3 = 168)
169	10101001	(2^7 + 2^5 + 2^3 + 2^0 = 169)
170	10101010	(2^7 + 2^5 + 2^3 + 2^1 = 170)
171	10101011	(2^7 + 2^5 + 2^3 + 2^1 + 2^0 = 171)
172	10101100	(2^7 + 2^5 + 2^3 + 2^2 = 172)
173	10101101	(2^7 + 2^5 + 2^3 + 2^2 + 2^0 = 173)
174	10101110	(2^7 + 2^5 + 2^3 + 2^2 + 2^1 = 174)
175	10101111	(2^7 + 2^5 + 2^3 + 2^2 + 2^1 + 2^0 = 175)
176	10110000	(2^7 + 2^5 + 2^4 = 176)
177	10110001	(2^7 + 2^5 + 2^4 + 2^0 = 177)
178	10110010	(2^7 + 2^5 + 2^4 + 2^1 = 178)
179	10110011	(2^7 + 2^5 + 2^4 + 2^1 + 2^0 = 179)
180	10110100	(2^7 + 2^5 + 2^4 + 2^2 = 180)
181	10110101	(2^7 + 2^5 + 2^4 + 2^2 + 2^0 = 181)
182	10110110	(2^7 + 2^5 + 2^4 + 2^2 + 2^1 = 182)
183	10110111	(2^7 + 2^5 + 2^4 + 2^2 + 2^1 + 2^0 = 183)
184	10111000	(2^7 + 2^5 + 2^4 + 2^3 = 184)
185	10111001	(2^7 + 2^5 + 2^4 + 2^3 + 2^0 = 185)
186	10111010	(2^7 + 2^5 + 2^4 + 2^3 + 2^1 = 186)
187	10111011	(2^7 + 2^5 + 2^4 + 2^3 + 2^1 + 2^0 = 187)
188	10111100	(2^7 + 2^5 + 2^4 + 2^3 + 2^2 = 188)
189	10111101	(2^7 + 2^5 + 2^4 + 2^3 + 2^2 + 2^0 = 189)
190	10111110	(2^7 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 = 190)
191	10111111	(2^7 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 191)
192	11000000	(2^7 + 2^6 = 192)
193	11000001	(2^7 + 2^6 + 2^0 = 193)
194	11000010	(2^7 + 2^6 + 2^1 = 194)
195	11000011	(2^7 + 2^6 + 2^1 + 2^0 = 195)
196	11000100	(2^7 + 2^6 + 2^2 = 196)
197	11000101	(2^7 + 2^6 + 2^2 + 2^0 = 197)
198	11000110	(2^7 + 2^6 + 2^2 + 2^1 = 198)
199	11000111	(2^7 + 2^6 + 2^2 + 2^1 + 2^0 = 199)
200	11001000	(2^7 + 2^6 + 2^3 = 200)
201	11001001	(2^7 + 2^6 + 2^3 + 2^0 = 201)
202	11001010	(2^7 + 2^6 + 2^3 + 2^1 = 202)
203	11001011	(2^7 + 2^6 + 2^3 + 2^1 + 2^0 = 203)
204	11001100	(2^7 + 2^6 + 2^3 + 2^2 = 204)
205	11001101	(2^7 + 2^6 + 2^3 + 2^2 + 2^0 = 205)
206	11001110	(2^7 + 2^6 + 2^3 + 2^2 + 2^1 = 206)
207	11001111	(2^7 + 2^6 + 2^3 + 2^2 + 2^1 + 2^0 = 207)
208	11010000	(2^7 + 2^6 + 2^4 = 208)
209	11010001	(2^7 + 2^6 + 2^4 + 2^0 = 209)
210	11010010	(2^7 + 2^6 + 2^4 + 2^1 = 210)
211	11010011	(2^7 + 2^6 + 2^4 + 2^1 + 2^0 = 211)
212	11010100	(2^7 + 2^6 + 2^4 + 2^2 = 212)
213	11010101	(2^7 + 2^6 + 2^4 + 2^2 + 2^0 = 213)
214	11010110	(2^7 + 2^6 + 2^4 + 2^2 + 2^1 = 214)
215	11010111	(2^7 + 2^6 + 2^4 + 2^2 + 2^1 + 2^0 = 215)
216	11011000	(2^7 + 2^6 + 2^4 + 2^3 = 216)
217	11011001	(2^7 + 2^6 + 2^4 + 2^3 + 2^0 = 217)
218	11011010	(2^7 + 2^6 + 2^4 + 2^3 + 2^1 = 218)
219	11011011	(2^7 + 2^6 + 2^4 + 2^3 + 2^1 + 2^0 = 219)
220	11011100	(2^7 + 2^6 + 2^4 + 2^3 + 2^2 = 220)
221	11011101	(2^7 + 2^6 + 2^4 + 2^3 + 2^2 + 2^0 = 221)
222	11011110	(2^7 + 2^6 + 2^4 + 2^3 + 2^2 + 2^1 = 222)
223	11011111	(2^7 + 2^6 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 223)
224	11100000	(2^7 + 2^6 + 2^5 = 224)
225	11100001	(2^7 + 2^6 + 2^5 + 2^0 = 225)
226	11100010	(2^7 + 2^6 + 2^5 + 2^1 = 226)
227	11100011	(2^7 + 2^6 + 2^5 + 2^1 + 2^0 = 227)
228	11100100	(2^7 + 2^6 + 2^5 + 2^2 = 228)
229	11100101	(2^7 + 2^6 + 2^5 + 2^2 + 2^0 = 229)
230	11100110	(2^7 + 2^6 + 2^5 + 2^2 + 2^1 = 230)
231	11100111	(2^7 + 2^6 + 2^5 + 2^2 + 2^1 + 2^0 = 231)
232	11101000	(2^7 + 2^6 + 2^5 + 2^3 = 232)
233	11101001	(2^7 + 2^6 + 2^5 + 2^3 + 2^0 = 233)
234	11101010	(2^7 + 2^6 + 2^5 + 2^3 + 2^1 = 234)
235	11101011	(2^7 + 2^6 + 2^5 + 2^3 + 2^1 + 2^0 = 235)
236	11101100	(2^7 + 2^6 + 2^5 + 2^3 + 2^2 = 236)
237	11101101	(2^7 + 2^6 + 2^5 + 2^3 + 2^2 + 2^0 = 237)
238	11101110	(2^7 + 2^6 + 2^5 + 2^3 + 2^2 + 2^1 = 238)
239	11101111	(2^7 + 2^6 + 2^5 + 2^3 + 2^2 + 2^1 + 2^0 = 239)
240	11110000	(2^7 + 2^6 + 2^5 + 2^4 = 240)
241	11110001	(2^7 + 2^6 + 2^5 + 2^4 + 2^0 = 241)
242	11110010	(2^7 + 2^6 + 2^5 + 2^4 + 2^1 = 242)
243	11110011	(2^7 + 2^6 + 2^5 + 2^4 + 2^1 + 2^0 = 243)
244	11110100	(2^7 + 2^6 + 2^5 + 2^4 + 2^2 = 244)
245	11110101	(2^7 + 2^6 + 2^5 + 2^4 + 2^2 + 2^0 = 245)
246	11110110	(2^7 + 2^6 + 2^5 + 2^4 + 2^2 + 2^1 = 246)
247	11110111	(2^7 + 2^6 + 2^5 + 2^4 + 2^2 + 2^1 + 2^0 = 247)
248	11111000	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 = 248)
249	11111001	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^0 = 249)
250	11111010	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^1 = 250)
251	11111011	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^1 + 2^0 = 251)
252	11111100	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^2 = 252)
253	11111101	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^0 = 253)
254	11111110	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 = 254)
255	11111111	(2^7 + 2^6 + 2^5 + 2^4 + 2^3 + 2^2 + 2^1 + 2^0 = 255)