Cara Gampang Hitung IP Address

cara gampang hitung ip address

Sebelumnya, Posting kali ini untuk cara gampang hitung ip address bisa saya pastikan tidak menggunakan bit-bit, Tetapi, ada tapinya nih, tidak salah untuk mengerti skema IP v 4 ini dalam hitungan bit, karena apa yang akan saya jabarkan dasarnya dari bit ini.

Note! : Bagi yang sudah paham bisa langsung scroll menuju Cara Gampang Hitung IP Address di bawah penjelasan ini.
Oke kita mulai dasarnya, contoh ip (private) adalah : 192.168.1.1, ip di atas bisa di jabarkan dalam bentuk bit sebagai berikut :

192 = 11000000
168 = 10101000
1 = 00000001

Kita Mulai Cara Gampang Hitung IP Address

Note! : contoh kasus adalah mencari , NA (Network Address) , BA (Broadcast Address), Usable Host (Host yang bisa digunakan), Subnet Mask dah itu aja.

1. IP : 202.30.2.58 / 26

2. IP : 10.10.5.17 /25

3. IP : 111.125.30.16 / 28

Dah 3 aja dulu :D. Sekarang time to menjelaskan caranya, ini bener-bener caranya saja lho, bukan cara untuk menjawab soal di atas. Soal di atas nanti di cucokan sama jawaban ~~kalian~~ Anda.

Pertama dan yang paling perrrtama adalah, harus hafal (atau tulis di tangan) lompatan Subnet Masknya (ga tau istilah aslinya ya), lompatannya adalah

128, 192 , 224, 240, 248, 252, 254, 255

Dimana setiap lompatan mewakili subnetnya masing-masing dan bitnya (ada 8 bit total). Nah mulai gampang kan 😀 . Angka dari lompatan ini berlaku untuk semua oktet dalam IP address versi 4 ini. Baik berupa /8 hingga /30 semua berlaku. Biar gampangnya kita ambil contoh untuk no. 1

– IP : 202.30.2.58 / 26 = Berarti menggunakan lompatan 192 di mana subnet masknya adalah 255.255.255.192 bisa di artikan juga lompatan sebagai = subnet mask

Sekarang kita hitung NA (network addressnya) : rumus yang biasa saya terapkan untuk diri sendiri :p adalah : ujung host (254) – subnet yg di hitung (192) jadi hasilnya adalah

254 – 192 = 62 , nah 62 ini adalah jumlah host yang bisa di gunakan mulai dari 1 – 62 , 64 – 125 dst , nah sudah mulai cerah kan :p, setelah dapat 62 ini kita lihat soalnya lagi, 202.30.2.58

berarti dia masih termasuk di range 1 – 62 di mana NAnya adalah 202.30.2.0 dan Broadcastnya (BA) adalah 202.30.2.63

Usable hostnya ? Dari 202.30.2.1 – 202.30.2.62

Mudah kan? Bagus sekali 😀

Cara Gampang Hitung IP Address

Sebenarnya ini tak luput dari dasar penghitungan IP, untuk mempermudah maka saya buat kan cara gampang hitung ip addressnya. Oke tutorial ini mungkin masih banyak yang bingung dan ingin bertanya tanya, silahkan komen di bawahnya, fast response ko ;p

Sekian tutorial Cara Gampang Hitung IP Address 😉

Saatnya mencuba kekuatan vps yang digunakan zacom.org seberapa tangguh box yang digunakan. Tools untuk menguji coba menggunakan unixbench dan ioping.

Untuk install unixbench pada VPS / Dedicated
– Pengguna Ubuntu / Debian

apt-get install build-essential libx11-dev libgl1-mesa-dev libxext-dev

1	apt-get install build-essential libx11-dev libgl1-mesa-dev libxext-dev

– Centos

yum groupinstall "Development Tools"
yum install libX11-devel mesa-libGL-devel perl-Time-HiRes

1 2	yum groupinstall "Development Tools" yum install libX11-devel mesa-libGL-devel perl-Time-HiRes

Kemudian

wget http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz
tar xvfz unixbench-5.1.2.tar.gz
cd unixbench-5.1.2
./Run

wget http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz

tar xvfz unixbench-5.1.2.tar.gz

cd unixbench-5.1.2

./Run

Untuk installasi ioping (hanya di centos saja, soalnya cuma make centos :p )

wget http://ioping.googlecode.com/files/ioping-0.6.tar.gz
tar -xzf ioping-0.6.tar.gz
mv ioping-0.6 ioping
cd ioping
make file

wget http://ioping.googlecode.com/files/ioping-0.6.tar.gz

tar -xzf ioping-0.6.tar.gz

mv ioping-0.6 ioping

cd ioping

make file

Saatnya kita mulai Test Benchmark VPS dengan UnixBench dan ioping di VPS.

   #    #  #    #  #  #    #          #####   ######  #    #   ####   #    #
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    ####   #    #  #  #    #          #####   ######  #    #   ####   #    #

   Version 5.1.3                      Based on the Byte Magazine Unix Benchmark

   Multi-CPU version                  Version 5 revisions by Ian Smith,
                                      Sunnyvale, CA, USA
   January 13, 2011                   johantheghost at yahoo period com

skip..

========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)

   System: xx11.jetorbit.net: GNU/Linux
   OS: GNU/Linux -- 2.6.32-279.11.1.el6.x86_64 -- #1 SMP Tue Oct 16 15:57:10 UTC 2012
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: QEMU Virtual CPU version 0.9.1 (4788.1 bogomips)
          x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
   CPU 1: QEMU Virtual CPU version 0.9.1 (4788.1 bogomips)
          x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET
   14:39:44 up 10 days, 14:52,  2 users,  load average: 0.03, 0.94, 2.05; runlevel 3

------------------------------------------------------------------------
Benchmark Run: Fri Nov 16 2012 14:39:44 - 15:08:34
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       22354075.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2785.1 MWIPS (9.8 s, 7 samples)
Execl Throughput                               1911.0 lps   (29.6 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        567689.3 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          164503.0 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1185610.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1238143.4 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 202307.1 lps   (10.0 s, 7 samples)
Process Creation                               4028.7 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3790.8 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    833.2 lpm   (60.1 s, 2 samples)
System Call Overhead                        1470277.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   22354075.4   1915.5
Double-Precision Whetstone                       55.0       2785.1    506.4
Execl Throughput                                 43.0       1911.0    444.4
File Copy 1024 bufsize 2000 maxblocks          3960.0     567689.3   1433.6
File Copy 256 bufsize 500 maxblocks            1655.0     164503.0    994.0
File Copy 4096 bufsize 8000 maxblocks          5800.0    1185610.4   2044.2
Pipe Throughput                               12440.0    1238143.4    995.3
Pipe-based Context Switching                   4000.0     202307.1    505.8
Process Creation                                126.0       4028.7    319.7
Shell Scripts (1 concurrent)                     42.4       3790.8    894.1
Shell Scripts (8 concurrent)                      6.0        833.2   1388.7
System Call Overhead                          15000.0    1470277.5    980.2
                                                                   ========
System Benchmarks Index Score                                         889.7

------------------------------------------------------------------------
Benchmark Run: Fri Nov 16 2012 15:08:34 - 15:37:30
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       43503350.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     5420.2 MWIPS (10.0 s, 7 samples)
Execl Throughput                               5398.1 lps   (29.7 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        852244.7 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          225727.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2039111.5 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2424007.1 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 392174.7 lps   (10.0 s, 7 samples)
Process Creation                              14700.6 lps   (30.1 s, 2 samples)
Shell Scripts (1 concurrent)                   6122.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    873.8 lpm   (60.1 s, 2 samples)
System Call Overhead                        2635558.8 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   43503350.3   3727.8
Double-Precision Whetstone                       55.0       5420.2    985.5
Execl Throughput                                 43.0       5398.1   1255.4
File Copy 1024 bufsize 2000 maxblocks          3960.0     852244.7   2152.1
File Copy 256 bufsize 500 maxblocks            1655.0     225727.9   1363.9
File Copy 4096 bufsize 8000 maxblocks          5800.0    2039111.5   3515.7
Pipe Throughput                               12440.0    2424007.1   1948.6
Pipe-based Context Switching                   4000.0     392174.7    980.4
Process Creation                                126.0      14700.6   1166.7
Shell Scripts (1 concurrent)                     42.4       6122.1   1443.9
Shell Scripts (8 concurrent)                      6.0        873.8   1456.4
System Call Overhead                          15000.0    2635558.8   1757.0
                                                                   ========
System Benchmarks Index Score                                        1644.8

# # # # # # # ##### ###### # # #### # #

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#### # # # # # ##### ###### # # #### # #

Version 5.1.3 Based on the Byte Magazine Unix Benchmark

Multi-CPU version Version 5 revisions by Ian Smith,

Sunnyvale, CA, USA

January 13, 2011 johantheghost at yahoo period com

skip..

========================================================================

BYTE UNIX Benchmarks (Version 5.1.3)

System: xx11.jetorbit.net: GNU/Linux

OS: GNU/Linux -- 2.6.32-279.11.1.el6.x86_64 -- #1 SMP Tue Oct 16 15:57:10 UTC 2012

Machine: x86_64 (x86_64)

Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")

CPU 0: QEMU Virtual CPU version 0.9.1 (4788.1 bogomips)

x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET

CPU 1: QEMU Virtual CPU version 0.9.1 (4788.1 bogomips)

x86-64, MMX, Physical Address Ext, SYSCALL/SYSRET

14:39:44 up 10 days, 14:52, 2 users, load average: 0.03, 0.94, 2.05; runlevel 3

------------------------------------------------------------------------

Benchmark Run: Fri Nov 16 2012 14:39:44 - 15:08:34

2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 22354075.4 lps (10.0 s, 7 samples)

Double-Precision Whetstone 2785.1 MWIPS (9.8 s, 7 samples)

Execl Throughput 1911.0 lps (29.6 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 567689.3 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 164503.0 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 1185610.4 KBps (30.0 s, 2 samples)

Pipe Throughput 1238143.4 lps (10.0 s, 7 samples)

Pipe-based Context Switching 202307.1 lps (10.0 s, 7 samples)

Process Creation 4028.7 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 3790.8 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 833.2 lpm (60.1 s, 2 samples)

System Call Overhead 1470277.5 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 22354075.4 1915.5

Double-Precision Whetstone 55.0 2785.1 506.4

Execl Throughput 43.0 1911.0 444.4

File Copy 1024 bufsize 2000 maxblocks 3960.0 567689.3 1433.6

File Copy 256 bufsize 500 maxblocks 1655.0 164503.0 994.0

File Copy 4096 bufsize 8000 maxblocks 5800.0 1185610.4 2044.2

Pipe Throughput 12440.0 1238143.4 995.3

Pipe-based Context Switching 4000.0 202307.1 505.8

Process Creation 126.0 4028.7 319.7

Shell Scripts (1 concurrent) 42.4 3790.8 894.1

Shell Scripts (8 concurrent) 6.0 833.2 1388.7

System Call Overhead 15000.0 1470277.5 980.2

========

System Benchmarks Index Score 889.7

------------------------------------------------------------------------

Benchmark Run: Fri Nov 16 2012 15:08:34 - 15:37:30

2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables 43503350.3 lps (10.0 s, 7 samples)

Double-Precision Whetstone 5420.2 MWIPS (10.0 s, 7 samples)

Execl Throughput 5398.1 lps (29.7 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 852244.7 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 225727.9 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 2039111.5 KBps (30.0 s, 2 samples)

Pipe Throughput 2424007.1 lps (10.0 s, 7 samples)

Pipe-based Context Switching 392174.7 lps (10.0 s, 7 samples)

Process Creation 14700.6 lps (30.1 s, 2 samples)

Shell Scripts (1 concurrent) 6122.1 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 873.8 lpm (60.1 s, 2 samples)

System Call Overhead 2635558.8 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 43503350.3 3727.8

Double-Precision Whetstone 55.0 5420.2 985.5

Execl Throughput 43.0 5398.1 1255.4

File Copy 1024 bufsize 2000 maxblocks 3960.0 852244.7 2152.1

File Copy 256 bufsize 500 maxblocks 1655.0 225727.9 1363.9

File Copy 4096 bufsize 8000 maxblocks 5800.0 2039111.5 3515.7

Pipe Throughput 12440.0 2424007.1 1948.6

Pipe-based Context Switching 4000.0 392174.7 980.4

Process Creation 126.0 14700.6 1166.7

Shell Scripts (1 concurrent) 42.4 6122.1 1443.9

Shell Scripts (8 concurrent) 6.0 873.8 1456.4

System Call Overhead 15000.0 2635558.8 1757.0

========

System Benchmarks Index Score 1644.8

I/O PINGS

ioping -c 10 /
4096 bytes from / (ext4 /dev/vda1): request=1 time=23.2 ms
4096 bytes from / (ext4 /dev/vda1): request=2 time=14.6 ms
4096 bytes from / (ext4 /dev/vda1): request=3 time=26.6 ms
4096 bytes from / (ext4 /dev/vda1): request=4 time=14.3 ms
4096 bytes from / (ext4 /dev/vda1): request=5 time=0.3 ms
4096 bytes from / (ext4 /dev/vda1): request=6 time=339.1 ms
4096 bytes from / (ext4 /dev/vda1): request=7 time=5.9 ms
4096 bytes from / (ext4 /dev/vda1): request=8 time=1.0 ms
4096 bytes from / (ext4 /dev/vda1): request=9 time=0.4 ms
4096 bytes from / (ext4 /dev/vda1): request=10 time=17.1 ms

ioping -c 10 /

4096 bytes from / (ext4 /dev/vda1): request=1 time=23.2 ms

4096 bytes from / (ext4 /dev/vda1): request=2 time=14.6 ms

4096 bytes from / (ext4 /dev/vda1): request=3 time=26.6 ms

4096 bytes from / (ext4 /dev/vda1): request=4 time=14.3 ms

4096 bytes from / (ext4 /dev/vda1): request=5 time=0.3 ms

4096 bytes from / (ext4 /dev/vda1): request=6 time=339.1 ms

4096 bytes from / (ext4 /dev/vda1): request=7 time=5.9 ms

4096 bytes from / (ext4 /dev/vda1): request=8 time=1.0 ms

4096 bytes from / (ext4 /dev/vda1): request=9 time=0.4 ms

4096 bytes from / (ext4 /dev/vda1): request=10 time=17.1 ms

I/O Read – Sequential

#ioping -RL /home

1	#ioping -RL /home

--- /home (ext4 /dev/vda1) ioping statistics ---
1092 requests completed in 3001.0 ms, 455 iops, 113.6 mb/s
min/avg/max/mdev = 1.4/2.2/68.1/3.6 ms

--- /home (ext4 /dev/vda1) ioping statistics ---

1092 requests completed in 3001.0 ms, 455 iops, 113.6 mb/s

min/avg/max/mdev = 1.4/2.2/68.1/3.6 ms

I/O Seek Test (no cache)

# ioping -RD /home
846 requests completed in 3000.7 ms, 397 iops, 1.6 mb/s
min/avg/max/mdev = 0.2/2.5/37.8/3.9 ms

# ioping -RD /home

846 requests completed in 3000.7 ms, 397 iops, 1.6 mb/s

min/avg/max/mdev = 0.2/2.5/37.8/3.9 ms

#dd if=/dev/zero of=sb-io-test bs=1M count=1k conv=fdatasync
572522496 bytes (573 MB) copied, 16.246 s, 35.2 MB/s

1 2	#dd if=/dev/zero of=sb-io-test bs=1M count=1k conv=fdatasync 572522496 bytes (573 MB) copied, 16.246 s, 35.2 MB/s

Dengan ini hasilnya cukup memuaskan mengingat ini VPS lokasi di indonesia.

November 2012

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