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Shell Programming and Scripting
Convert ip ranges to CIDR netblock
Post 303027586 by azdps on Wednesday 19th of December 2018 04:53:29 PM
12-19-2018
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9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Dear Srs :-)
I'm looking for a shell script, that given a network in CIDR format it lists all IPs, for example:
Preferredly a shell script, but a Perl, Python, C, etc.. is also welcome :-)
I have been looking in sipcalc, ipcalc, etc.. options but this feature is not implemented :-(
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Hi,
Please anyone help to achive this using perl or unix scripting .
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3. Programming
Hello everybody,
I'm coding a network program and i need it to "understand" ip ranges, but i don't know how to make to parse an IP CIDR range, let's say "172.16.10.0/24" to work with the specified IP range.
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4. UNIX for Dummies Questions & Answers
I have a list of about 200,000 lines in a text file that look like this:
1 1 120
1 80 200
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5. Shell Programming and Scripting
Hi,
I have two files
file1 chr1_22450_22500
chr2_12300_12350
chr1_34500_34550
file2 11000_13000
15000_19000
33000_44000
If the file 1 ranges fall between file2 ranges then assign the value of file2 in column 2 to file1
output:
chr2_12300_12350 11000_13000
chr1_34500_34550 ... (7 Replies)
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Looking for a simple way to convert ranges to a numerical sequence that would assign the original value of the range to the individual numbers that are on the range.
Thank you
given data
13196-13199 0
13200 4
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13202-13207 3
13208-13210 7
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7. Shell Programming and Scripting
Hi all, I would appreciate if someone could share how to convert CIDR notation to netmask and vice versa.
The value below is just an example. it could be different numbers/ip addresses.
Initial Output, let say file1.txt
Final Output, let say file2.txt (3 Replies)
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8. Shell Programming and Scripting
Hi,
Recently I had to convert a 280K lines of ip ranges to the CIDR notation and generate a file to be used by ipset (netfilter) for ip filtering.
Input file:
000.000.000.000 - 000.255.255.255 , 000 , invalid ip
001.000.064.000 - 001.000.127.255 , 000 , XXXXX
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9. What is on Your Mind?
Weary of seeing our load average go up to 50+, I just did a major block on these networks (stats over a less than 20 min interval):
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LEARN ABOUT PHP
koi8-r
KOI8-R(7) Linux Programmer's Manual KOI8-R(7) NAME
koi8-r - Russian character set encoded in octal, decimal, and hexadecimal DESCRIPTION
RFC 1489 defines an 8-bit character set, KOI8-R. KOI8-R encodes the characters used in Russian. KOI8-R characters The following table displays the characters in KOI8-R that are printable and unlisted in the ascii(7) manual page. Oct Dec Hex Char Description ------------------------------------------------------------------------ 200 128 80 BOX DRAWINGS LIGHT HORIZONTAL 201 129 81 | BOX DRAWINGS LIGHT VERTICAL 202 130 82 BOX DRAWINGS LIGHT DOWN AND RIGHT 203 131 83 BOX DRAWINGS LIGHT DOWN AND LEFT 204 132 84 BOX DRAWINGS LIGHT UP AND RIGHT 205 133 85 BOX DRAWINGS LIGHT UP AND LEFT 206 134 86 BOX DRAWINGS LIGHT VERTICAL AND RIGHT 207 135 87 BOX DRAWINGS LIGHT VERTICAL AND LEFT 210 136 88 BOX DRAWINGS LIGHT DOWN AND HORIZONTAL 211 137 89 BOX DRAWINGS LIGHT UP AND HORIZONTAL 212 138 8A BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL 213 139 8B UPPER HALF BLOCK 214 140 8C LOWER HALF BLOCK 215 141 8D FULL BLOCK 216 142 8E LEFT HALF BLOCK 217 143 8F RIGHT HALF BLOCK 220 144 90 LIGHT SHADE 221 145 91 MEDIUM SHADE 222 146 92 DARK SHADE 223 147 93 TOP HALF INTEGRAL 224 148 94 BLACK SQUARE 225 149 95 BULLET OPERATOR 226 150 96 / SQUARE ROOT 227 151 97 ~~ ALMOST EQUAL TO 230 152 98 <= LESS-THAN OR EQUAL TO 231 153 99 >= GREATER-THAN OR EQUAL TO 232 154 9A NO-BREAK SPACE 233 155 9B BOTTOM HALF INTEGRAL 234 156 9C o DEGREE SIGN 235 157 9D 2 SUPERSCRIPT TWO 236 158 9E . MIDDLE DOT 237 159 9F -:- DIVISION SIGN 240 160 A0 BOX DRAWINGS DOUBLE HORIZONTAL 241 161 A1 BOX DRAWINGS DOUBLE VERTICAL 242 162 A2 BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE 243 163 A3 CYRILLIC SMALL LETTER IO 244 164 A4 BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE 245 165 A5 BOX DRAWINGS DOUBLE DOWN AND RIGHT 246 166 A6 BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE 247 167 A7 BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE 250 168 A8 BOX DRAWINGS DOUBLE DOWN AND LEFT 251 169 A9 BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE 252 170 AA BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE 253 171 AB BOX DRAWINGS DOUBLE UP AND RIGHT 254 172 AC BOX DRAWINGS UP SINGLE AND LEFT DOUBLE 255 173 AD BOX DRAWINGS UP DOUBLE AND LEFT SINGLE 256 174 AE BOX DRAWINGS DOUBLE UP AND LEFT 257 175 AF BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE 260 176 B0 BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE 261 177 B1 BOX DRAWINGS DOUBLE VERTICAL AND RIGHT 262 178 B2 BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE 263 179 B3 CYRILLIC CAPITAL LETTER IO 264 180 B4 BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE 265 181 B5 BOX DRAWINGS DOUBLE VERTICAL AND LEFT 266 182 B6 BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE 267 183 B7 BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE 270 184 B8 BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL 271 185 B9 BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE 272 186 BA BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE 273 187 BB BOX DRAWINGS DOUBLE UP AND HORIZONTAL 274 188 BC BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE 275 189 BD BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE 276 190 BE BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL 277 191 BF (C) COPYRIGHT SIGN 300 192 C0 CYRILLIC SMALL LETTER YU 301 193 C1 CYRILLIC SMALL LETTER A 302 194 C2 CYRILLIC SMALL LETTER BE 303 195 C3 CYRILLIC SMALL LETTER TSE 304 196 C4 CYRILLIC SMALL LETTER DE 305 197 C5 CYRILLIC SMALL LETTER IE 306 198 C6 CYRILLIC SMALL LETTER EF 307 199 C7 CYRILLIC SMALL LETTER GHE 310 200 C8 CYRILLIC SMALL LETTER HA 311 201 C9 CYRILLIC SMALL LETTER I 312 202 CA CYRILLIC SMALL LETTER SHORT I 313 203 CB CYRILLIC SMALL LETTER KA 314 204 CC CYRILLIC SMALL LETTER EL 315 205 CD CYRILLIC SMALL LETTER EM 316 206 CE CYRILLIC SMALL LETTER EN 317 207 CF CYRILLIC SMALL LETTER O 320 208 D0 CYRILLIC SMALL LETTER PE 321 209 D1 CYRILLIC SMALL LETTER YA 322 210 D2 CYRILLIC SMALL LETTER ER 323 211 D3 CYRILLIC SMALL LETTER ES 324 212 D4 CYRILLIC SMALL LETTER TE 325 213 D5 CYRILLIC SMALL LETTER U 326 214 D6 CYRILLIC SMALL LETTER ZHE 327 215 D7 CYRILLIC SMALL LETTER VE 330 216 D8 CYRILLIC SMALL LETTER SOFT SIGN 331 217 D9 CYRILLIC SMALL LETTER YERU 332 218 DA CYRILLIC SMALL LETTER ZE 333 219 DB CYRILLIC SMALL LETTER SHA 334 220 DC CYRILLIC SMALL LETTER E 335 221 DD CYRILLIC SMALL LETTER SHCHA 336 222 DE CYRILLIC SMALL LETTER CHE 337 223 DF CYRILLIC SMALL LETTER HARD SIGN 340 224 E0 CYRILLIC CAPITAL LETTER YU 341 225 E1 CYRILLIC CAPITAL LETTER A 342 226 E2 CYRILLIC CAPITAL LETTER BE 343 227 E3 CYRILLIC CAPITAL LETTER TSE 344 228 E4 CYRILLIC CAPITAL LETTER DE 345 229 E5 CYRILLIC CAPITAL LETTER IE 346 230 E6 CYRILLIC CAPITAL LETTER EF 347 231 E7 CYRILLIC CAPITAL LETTER GHE 350 232 E8 CYRILLIC CAPITAL LETTER HA 351 233 E9 CYRILLIC CAPITAL LETTER I 352 234 EA CYRILLIC CAPITAL LETTER SHORT I 353 235 EB CYRILLIC CAPITAL LETTER KA 354 236 EC CYRILLIC CAPITAL LETTER EL 355 237 ED CYRILLIC CAPITAL LETTER EM 356 238 EE CYRILLIC CAPITAL LETTER EN 357 239 EF CYRILLIC CAPITAL LETTER O 360 240 F0 CYRILLIC CAPITAL LETTER PE 361 241 F1 CYRILLIC CAPITAL LETTER YA 362 242 F2 CYRILLIC CAPITAL LETTER ER 363 243 F3 CYRILLIC CAPITAL LETTER ES 364 244 F4 CYRILLIC CAPITAL LETTER TE 365 245 F5 CYRILLIC CAPITAL LETTER U 366 246 F6 CYRILLIC CAPITAL LETTER ZHE 367 247 F7 CYRILLIC CAPITAL LETTER VE 370 248 F8 CYRILLIC CAPITAL LETTER SOFT SIGN 371 249 F9 CYRILLIC CAPITAL LETTER YERU 372 250 FA CYRILLIC CAPITAL LETTER ZE 373 251 FB CYRILLIC CAPITAL LETTER SHA 374 252 FC CYRILLIC CAPITAL LETTER E 375 253 FD CYRILLIC CAPITAL LETTER SHCHA 376 254 FE CYRILLIC CAPITAL LETTER CHE 377 255 FF CYRILLIC CAPITAL LETTER HARD SIGN NOTES
The differences with KOI8-U are in the hex positions A4, A6, A7, AD, B4, B6, B7, and BD. SEE ALSO
ascii(7), charsets(7), cp1251(7), iso_8859-5(7), koi8-u(7), utf-8(7) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2016-07-17 KOI8-R(7)