Sponsored Content
Top Forums Shell Programming and Scripting Convert ip ranges to CIDR netblock Post 303027250 by vgersh99 on Wednesday 12th of December 2018 11:05:32 AM
Old 12-12-2018
Quote:
Originally Posted by Corona688
Did you search here first?

Convert ip ranges to CIDR netblocks
This thread is a treasure - stealing.
Thanks for sharing

Last edited by vgersh99; 12-13-2018 at 12:30 PM..
This User Gave Thanks to vgersh99 For This Post:
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Get IP list from CIDR

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 :-( ... (10 Replies)
Discussion started by: Santi
10 Replies

2. Shell Programming and Scripting

date ranges

Hi, Please anyone help to achive this using perl or unix scripting . This is date in my table 20090224,based on the date need to check the files,If file exist for that date then increment by 1 for that date and check till max date 'i.e.20090301 and push those files . files1_20090224... (2 Replies)
Discussion started by: akil
2 Replies

3. Programming

How to parse IP range in CIDR format in C

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. I've found a program which does it, but i don't understand the code. Here is the... (3 Replies)
Discussion started by: semash!
3 Replies

4. UNIX for Dummies Questions & Answers

Need help filling in ranges

I have a list of about 200,000 lines in a text file that look like this: 1 1 120 1 80 200 1 150 270 5 50 170 5 100 220 5 300 420 The first column is an identifier, the next 2 columns are a range (always 120 value range) I'm trying fill in the values of those ranges, and remove... (4 Replies)
Discussion started by: knott76
4 Replies

5. Shell Programming and Scripting

Values between ranges

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)
Discussion started by: Diya123
7 Replies

6. Shell Programming and Scripting

How to convert multiple number ranges into sequence?

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 13201 10 13202-13207 3 13208-13210 7 desired... (3 Replies)
Discussion started by: jcue25
3 Replies

7. Shell Programming and Scripting

How to change ip addressing format from CIDR notation to netmask and vice versa?

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)
Discussion started by: type8code0
3 Replies

8. Shell Programming and Scripting

Convert ip ranges to CIDR netblocks

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 001.000.245.123 -... (10 Replies)
Discussion started by: ripat
10 Replies

9. What is on Your Mind?

Blocked A6-Index and Entire AWS Netblock

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): https://www.unix.com/members/1-albums215-picture866.png (3 Replies)
Discussion started by: Neo
3 Replies
ascii(5)						Standards, Environments, and Macros						  ascii(5)

NAME
ascii - map of ASCII character set SYNOPSIS
cat /usr/pub/ascii DESCRIPTION
/usr/pub/ascii is a map of the ASCII character set, to be printed as needed. It contains octal and hexadecimal values for each character. While not included in that file, a chart of decimal values is also shown here. Octal - Character 000 NUL 001 SOH 002 STX 003 ETX 004 EOT 005 ENQ 006 ACK 007 BEL 010 BS 011 HT 012 NL 013 VT 014 NP 015 CR 016 SO 017 SI 020 DLE 021 DC1 022 DC2 023 DC3 024 DC4 025 NAK 026 SYN 027 ETB 030 CAN 031 EM 032 SUB 033 ESC 034 FS 035 GS 036 RS 037 US 040 SP 041 ! 042 " 043 # 044 $ 045 % 046 & 047 ' 050 ( 051 ) 052 * 053 + 054 , 055 - 056 . 057 / 060 0 061 1 062 2 063 3 064 4 065 5 066 6 067 7 070 8 071 9 072 : 073 ; 074 < 075 = 076 > 077 ? 100 @ 101 A 102 B 103 C 104 D 105 E 106 F 107 G 110 H 111 I 112 J 113 K 114 L 115 M 116 N 117 O 120 P 121 Q 122 R 123 S 124 T 125 U 126 V 127 W 130 X 131 Y 132 Z 133 [ 134 135 ] 136 ^ 137 _ 140 ` 141 a 142 b 143 c 144 d 145 e 146 f 147 g 150 h 151 i 152 j 153 k 154 l 155 m 156 n 157 o 160 p 161 q 162 r 163 s 164 t 165 u 166 v 167 w 170 x 171 y 172 z 173 { 174 | 175 } 176 ~ 177 DEL Hexadecimal - Character 00 NUL 01 SOH 02 STX 03 ETX 04 EOT 05 ENQ 06 ACK 07 BEL 08 BS 09 HT 0A NL 0B VT 0C NP 0D CR 0E SO 0F SI 10 DLE 11 DC1 12 DC2 13 DC3 14 DC4 15 NAK 16 SYN 17 ETB 18 CAN 19 EM 1A SUB 1B ESC 1C FS 1D GS 1E RS 1F US 20 SP 21 ! 22 " 23 # 24 $ 25 % 26 & 27 ' 28 ( 29 ) 2A * 2B + 2C , 2D - 2E . 2F / 30 0 31 1 32 2 33 3 34 4 35 5 36 6 37 7 38 8 39 9 3A : 3B ; 3C < 3D = 3E > 3F ? 40 @ 41 A 42 B 43 C 44 D 45 E 46 F 47 G 48 H 49 I 4A J 4B K 4C L 4D M 4E N 4F O 50 P 51 Q 52 R 53 S 54 T 55 U 56 V 57 W 58 X 59 Y 5A Z 5B [ 5C 5D ] 5E ^ 5F _ 60 ` 61 a 62 b 63 c 64 d 65 e 66 f 67 g 68 h 69 i 6A j 6B k 6C l 6D m 6E n 6F o 70 p 71 q 72 r 73 s 74 t 75 u 76 v 77 w 78 x 79 y 7A z 7B { 7C | 7D } 7E ~ 7F DEL Decimal - Character 0 NUL 1 SOH 2 STX 3 ETX 4 EOT 5 ENQ 6 ACK 7 BEL 8 BS 9 HT 10 NL 11 VT 12 NP 13 CR 14 SO 15 SI 16 DLE 17 DC1 18 DC2 19 DC3 20 DC4 21 NAK 22 SYN 23 ETB 24 CAN 25 EM 26 SUB 27 ESC 28 FS 29 GS 30 RS 31 US 32 SP 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W 88 X 89 Y 90 Z 91 [ 92 93 ] 94 ^ 95 _ 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 DEL FILES
/usr/pub/ascii On-line chart of octal and hexadecimal values for the ASCII character set. SunOS 5.10 19 Apr 2002 ascii(5)
All times are GMT -4. The time now is 05:55 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy