Blok IP IP Prefix yang biasa digunakan oleh ISP

BLOK IP IP Prefix Kelas C yang bisa digunakan ntwrk adalah network, GW adalah Gateway, brdcst adalah broadcast
IP	/30	/29	/28	/27	/26	/25
0	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk
1	GW	GW	GW	GW	GW	GW
2
3	brdcst
4	ntwrk
5	GW
6
7	brdcst	brdcst
8	ntwrk	ntwrk
9	GW	GW
10
11	brdcst
12	ntwrk
13	GW
14
15	brdcst	brdcst	brdcst
16	ntwrk	ntwrk	ntwrk
17	GW	GW	GW
18
19	brdcst
20	ntwrk
21	GW
22
23	brdcst	brdcst
24	ntwrk	ntwrk
25	GW	GW
26
27	brdcst
28	ntwrk
29	GW
30
31	brdcst	brdcst	brdcst	brdcst
32	ntwrk	ntwrk	ntwrk	ntwrk
33	GW	GW	GW	GW
34
35	brdcst
36	ntwrk
37	GW
38
39	brdcst	brdcst
40	ntwrk	ntwrk
41	GW	GW
42
43	brdcst
44	ntwrk
45	GW
46
47	brdcst	brdcst	brdcst
48	ntwrk	ntwrk	ntwrk
49	GW	GW	GW
50
51	brdcst
52	ntwrk
53	GW
54
55	brdcst	brdcst
56	ntwrk	ntwrk
57	GW	GW
58
59	brdcst
60	ntwrk
61	GW
62
63	brdcst	brdcst	brdcst	brdcst	brdcst
64	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk
65	GW	GW	GW	GW	GW
66
67	brdcst
68	ntwrk
69	GW
70
71	brdcst	brdcst
72	ntwrk	ntwrk
73	GW	GW
74
75	brdcst
76	ntwrk
77	GW
78
79	brdcst	brdcst	brdcst
80	ntwrk	ntwrk	ntwrk
81	GW	GW	GW
82
83	brdcst
84	ntwrk
85	GW
86
87	brdcst	brdcst
88	ntwrk	ntwrk
89	GW	GW
90
91	brdcst
92	ntwrk
93	GW
94
95	brdcst	brdcst	brdcst	brdcst
96	ntwrk	ntwrk	ntwrk	ntwrk
97	GW	GW	GW	GW
98
99	brdcst
100	ntwrk
101	GW
102
103	brdcst	brdcst
104	ntwrk	ntwrk
105	GW	GW
106
107	brdcst
108	ntwrk
109	GW
110
111	brdcst	brdcst	brdcst
112	ntwrk	ntwrk	ntwrk
113	GW	GW	GW
114
115	brdcst
116	ntwrk
117	GW
118
119	brdcst	brdcst
120	ntwrk	ntwrk
121	GW	GW
122
123	brdcst
124	ntwrk
125	GW
126
127	brdcst	brdcst	brdcst	brdcst	brdcst	brdcst
128	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk
129	GW	GW	GW	GW	GW	GW
130
131	brdcst
132	ntwrk
133	GW
134
135	brdcst	brdcst
136	ntwrk	ntwrk
137	GW	GW
138
139	brdcst
140	ntwrk
141	GW
142
143	brdcst	brdcst	brdcst
144	ntwrk	ntwrk	ntwrk
145	GW	GW	GW
146
147	brdcst
148	ntwrk
149	GW
150
151	brdcst	brdcst
152	ntwrk	ntwrk
153	GW	GW
154
155	brdcst
156	ntwrk
157	GW
158
159	brdcst	brdcst	brdcst	brdcst
160	ntwrk	ntwrk	ntwrk	ntwrk
161	GW	GW	GW	GW
162
163	brdcst
164	ntwrk
165	GW
166
167	brdcst	brdcst
168	ntwrk	ntwrk
169	GW	GW
170
171	brdcst
172	ntwrk
173	GW
174
175	brdcst	brdcst	brdcst
176	ntwrk	ntwrk	ntwrk
177	GW	GW	GW
178
179	brdcst
180	ntwrk
181	GW
182
183	brdcst	brdcst
184	ntwrk	ntwrk
185	GW	GW
186
187	brdcst
188	ntwrk
189	GW
190
191	brdcst	brdcst	brdcst	brdcst	brdcst
192	ntwrk	ntwrk	ntwrk	ntwrk	ntwrk
193	GW	GW	GW	GW	GW
194
195	brdcst
196	ntwrk
197	GW
198
199	brdcst	brdcst
200	ntwrk	ntwrk
201	GW	GW
202
203	brdcst
204	ntwrk
205	GW
206
207	brdcst	brdcst	brdcst
208	ntwrk	ntwrk	ntwrk
209	GW	GW	GW
210
211	brdcst
212	ntwrk
213	GW
214
215	brdcst	brdcst
216	ntwrk	ntwrk
217	GW	GW
218
219	brdcst
220	ntwrk
221	GW
222
223	brdcst	brdcst	brdcst	brdcst
224	ntwrk	ntwrk	ntwrk	ntwrk
225	GW	GW	GW	GW
226
227	brdcst
228	ntwrk
229	GW
230
231	brdcst	brdcst
232	ntwrk	ntwrk
233	GW	GW
234
235	brdcst
236	ntwrk
237	GW
238
239	brdcst	brdcst	brdcst
240	ntwrk	ntwrk	ntwrk
241	GW	GW	GW
242
243	brdcst
244	ntwrk
245	GW
246
247	brdcst	brdcst
248	ntwrk	ntwrk
249	GW	GW
250
251	brdcst
252	ntwrk
253	GW
254
255	brdcst	brdcst	brdcst	brdcst	brdcst	brdcst