140.205.194.251

IPv4 addresses can be represented in several formats. This may be useful to store IP addresses in a more efficient way (for example, storing IPs as UNSIGNED INT requires less space and may be a faster solution) or to bypass some filters (for example, something doesn’t allow you to specify IPs from private range, but since it filters only quad-dotted IPv4 address representation you can specify IP as decimal number). Below are listed almost all formats as IP 140.205.194.251 can be represented (actually there are more formats, since you can mix multiple formats).

Description	Notation	Command Example
Decimal number	2362295035	ping 2362295035
Dotted-decimal notation	140.205.194.251	ping 140.205.194.251
Decimal.Octal.Hexadecimal.Decimal	140.0315.0xc2.251	ping 140.0315.0xc2.251
Hexadecimal number	0x8ccdc2fb	ping 0x8ccdc2fb
Dotted-hexadecimal notation	0x8c.0xcd.0xc2.0xfb	ping 0x8c.0xcd.0xc2.0xfb
Hexadecimal.Octal.Decimal.Hexadecimal	0x8c.0315.194.0xfb	ping 0x8c.0315.194.0xfb
Octal number	021463341373	ping 021463341373
Dotted-octal notation	0214.0315.0302.0373	ping 0214.0315.0302.0373
Octal.Decimal.Hexadecimal.Octal	0214.205.0xc2.0373	ping 0214.205.0xc2.0373
Decimal IPv4-mapped IPv6 address	::ffff:140.205.194.251	ping ::ffff:140.205.194.251
Hexadecimal IPv4-mapped IPv6 address	::ffff:8ccd:c2fb	ping ::ffff:8ccd:c2fb

There are some technical details about the network 140.205.194.251 and its subnet, as well as some details about IP itself. Please note that this information may contain inaccuracies or outdated data.

Name	Value
Country	CHINA
Company	CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd.
AS Number	AS37963
Address Block	140.205.194.0/24
Subnet Mask	255.255.255.0
Broadcast Address	140.205.194.255
Address Range	140.205.194.1 - 140.205.194.254
Number of IP Addresses	256
Number of Valid Hosts	254
Previous IP Address	140.205.194.250
Next IP Address	140.205.194.252

Dozens of companies are managing lists of blocked IP addresses in order to stop spamming, unethical hacking, and other malicious actions. These blacklists (also known as DNSBL and RBL) can contain both IP addresses and domains. Below we will try to lookup IP 140.205.194.251 through several backlists and find out who considers this IP to be malicious. Click DNSBL Lookup to get real-time data.

DNSBL Server	Listed	FQDN
all.s5h.net	Unknown	251.194.205.140.all.s5h.net.
b.barracudacentral.org	Unknown	251.194.205.140.b.barracudacentral.org.
bl.spamcop.net	Unknown	251.194.205.140.bl.spamcop.net.
blacklist.woody.ch	Unknown	251.194.205.140.blacklist.woody.ch.
bogons.cymru.com	Unknown	251.194.205.140.bogons.cymru.com.
cbl.abuseat.org	Unknown	251.194.205.140.cbl.abuseat.org.
combined.abuse.ch	Unknown	251.194.205.140.combined.abuse.ch.
db.wpbl.info	Unknown	251.194.205.140.db.wpbl.info.
dnsbl-1.uceprotect.net	Unknown	251.194.205.140.dnsbl-1.uceprotect.net.
dnsbl-2.uceprotect.net	Unknown	251.194.205.140.dnsbl-2.uceprotect.net.
dnsbl-3.uceprotect.net	Unknown	251.194.205.140.dnsbl-3.uceprotect.net.
dnsbl.anticaptcha.net	Unknown	251.194.205.140.dnsbl.anticaptcha.net.
dnsbl.dronebl.org	Unknown	251.194.205.140.dnsbl.dronebl.org.
dnsbl.inps.de	Unknown	251.194.205.140.dnsbl.inps.de.
dnsbl.sorbs.net	Unknown	251.194.205.140.dnsbl.sorbs.net.
dnsbl.spfbl.net	Unknown	251.194.205.140.dnsbl.spfbl.net.
drone.abuse.ch	Unknown	251.194.205.140.drone.abuse.ch.
duinv.aupads.org	Unknown	251.194.205.140.duinv.aupads.org.
dul.dnsbl.sorbs.net	Unknown	251.194.205.140.dul.dnsbl.sorbs.net.
dyna.spamrats.com	Unknown	251.194.205.140.dyna.spamrats.com.
dynip.rothen.com	Unknown	251.194.205.140.dynip.rothen.com.
http.dnsbl.sorbs.net	Unknown	251.194.205.140.http.dnsbl.sorbs.net.
ips.backscatterer.org	Unknown	251.194.205.140.ips.backscatterer.org.
ix.dnsbl.manitu.net	Unknown	251.194.205.140.ix.dnsbl.manitu.net.
korea.services.net	Unknown	251.194.205.140.korea.services.net.
misc.dnsbl.sorbs.net	Unknown	251.194.205.140.misc.dnsbl.sorbs.net.
noptr.spamrats.com	Unknown	251.194.205.140.noptr.spamrats.com.
orvedb.aupads.org	Unknown	251.194.205.140.orvedb.aupads.org.
pbl.spamhaus.org	Unknown	251.194.205.140.pbl.spamhaus.org.
proxy.bl.gweep.ca	Unknown	251.194.205.140.proxy.bl.gweep.ca.
psbl.surriel.com	Unknown	251.194.205.140.psbl.surriel.com.
relays.bl.gweep.ca	Unknown	251.194.205.140.relays.bl.gweep.ca.
relays.nether.net	Unknown	251.194.205.140.relays.nether.net.
sbl.spamhaus.org	Unknown	251.194.205.140.sbl.spamhaus.org.
singular.ttk.pte.hu	Unknown	251.194.205.140.singular.ttk.pte.hu.
smtp.dnsbl.sorbs.net	Unknown	251.194.205.140.smtp.dnsbl.sorbs.net.
socks.dnsbl.sorbs.net	Unknown	251.194.205.140.socks.dnsbl.sorbs.net.
spam.abuse.ch	Unknown	251.194.205.140.spam.abuse.ch.
spam.dnsbl.anonmails.de	Unknown	251.194.205.140.spam.dnsbl.anonmails.de.
spam.dnsbl.sorbs.net	Unknown	251.194.205.140.spam.dnsbl.sorbs.net.
spam.spamrats.com	Unknown	251.194.205.140.spam.spamrats.com.
spambot.bls.digibase.ca	Unknown	251.194.205.140.spambot.bls.digibase.ca.
spamrbl.imp.ch	Unknown	251.194.205.140.spamrbl.imp.ch.
spamsources.fabel.dk	Unknown	251.194.205.140.spamsources.fabel.dk.
ubl.lashback.com	Unknown	251.194.205.140.ubl.lashback.com.
ubl.unsubscore.com	Unknown	251.194.205.140.ubl.unsubscore.com.
virus.rbl.jp	Unknown	251.194.205.140.virus.rbl.jp.
web.dnsbl.sorbs.net	Unknown	251.194.205.140.web.dnsbl.sorbs.net.
wormrbl.imp.ch	Unknown	251.194.205.140.wormrbl.imp.ch.
xbl.spamhaus.org	Unknown	251.194.205.140.xbl.spamhaus.org.
z.mailspike.net	Unknown	251.194.205.140.z.mailspike.net.
zen.spamhaus.org	Unknown	251.194.205.140.zen.spamhaus.org.
zombie.dnsbl.sorbs.net	Unknown	251.194.205.140.zombie.dnsbl.sorbs.net.
spamguard.leadmon.net	Unknown	251.194.205.140.spamguard.leadmon.net.
rbl-plus.mail-abuse.org	Unknown	251.194.205.140.rbl-plus.mail-abuse.org.
httpbl.abuse.ch	Unknown	251.194.205.140.httpbl.abuse.ch.
combined.njabl.org	Unknown	251.194.205.140.combined.njabl.org.
rbl.efnetrbl.org	Unknown	251.194.205.140.rbl.efnetrbl.org.
cbl.anti-spam.org.cn	Unknown	251.194.205.140.cbl.anti-spam.org.cn.
bl.spamcannibal.org	Unknown	251.194.205.140.bl.spamcannibal.org.
rbl.suresupport.com	Unknown	251.194.205.140.rbl.suresupport.com.
csi.cloudmark.com	Unknown	251.194.205.140.csi.cloudmark.com.
rbl.interserver.net	Unknown	251.194.205.140.rbl.interserver.net.
virbl.bit.nl	Unknown	251.194.205.140.virbl.bit.nl.
short.rbl.jp	Unknown	251.194.205.140.short.rbl.jp.
blackholes.mail-abuse.org	Unknown	251.194.205.140.blackholes.mail-abuse.org.
truncate.gbudb.net	Unknown	251.194.205.140.truncate.gbudb.net.
query.senderbase.org	Unknown	251.194.205.140.query.senderbase.org.
opm.tornevall.org	Unknown	251.194.205.140.opm.tornevall.org.
netblock.pedantic.org	Unknown	251.194.205.140.netblock.pedantic.org.
access.redhawk.org	Unknown	251.194.205.140.access.redhawk.org.
cdl.anti-spam.org.cn	Unknown	251.194.205.140.cdl.anti-spam.org.cn.
multi.surbl.org	Unknown	251.194.205.140.multi.surbl.org.
dsn.rfc-ignorant.org	Unknown	251.194.205.140.dsn.rfc-ignorant.org.
dnsbl.njabl.org	Unknown	251.194.205.140.dnsbl.njabl.org.
relays.mail-abuse.org	Unknown	251.194.205.140.relays.mail-abuse.org.
rbl.spamlab.com	Unknown	251.194.205.140.rbl.spamlab.com.
all.bl.blocklist.de	Unknown	251.194.205.140.all.bl.blocklist.de.

If the IP 140.205.194.251 has aggressive behavior or should not have access to your private resources, you can block/ban it using your firewall, webserver, or programming language. Below are some examples of how to restrict this IP address from accessing your machine.

Algorithm	Example
Apache	<RequireAll>   Require all granted   Require not ip 140.205.194.251 </RequireAll>
iptables	iptables -A INPUT -s 140.205.194.251 -j DROP
Nginx	location / {   deny 140.205.194.251; }
Node.js	if (request.connection.remoteAddress === '140.205.194.251') {   return console.log(403); }
PHP	if (filter_input(INPUT_SERVER, 'REMOTE_ADDR') == '140.205.194.251') {   return print(403); }
Python	if (os.environ['REMOTE_ADDR'] == '140.205.194.251')   return print(403);
web.config	<security>   <ipSecurity allowUnlisted="true">     <add ipAddress="140.205.194.251"/>   </ipSecurity> </security>

Algorithm	Encoding Result
Ascii85	0f1R:1,(R<0f_'C1,Uc
Base64	MTQwLjIwNS4xOTQuMjUx
Binary	10001100110011011100001011111011
Morse Code	.----....------  .-.-.-  ..--------.....  .-.-.-  .--------.....-  .-.-.-  ..---......----
Phonetic	One Four Zero Dot Two Zero Five Dot One Nine Four Dot Two Five One
Uuencode	/,30P+C(P-2XQ.30N,C4Q `

Hashing algorithms are one-way functions that do not have a reversible algorithm. Most commonly they are used to check data integrity, prevent the data forgery, and hide sensitive information. For example, some developers may hash the clients IP addresses, that is why below are listed hashes of different hashing algorithms for IP 140.205.194.251.

Algorithm	Hash Value
md2	dbad1e786a50377a1df7ab77be5e2f08
md4	9be10e3e540a9214eaf71964d7240a41
md5	acf0851d77222e0d6bceb0a6a32835db
sha1	56657e446fea089ea2f923606d042624050d8127
sha224	1e361f003464add68d08bf9f5e2476253b1145356e7a081b665575f8
sha256	6fbbb685e4cafda3d63e588b96eeec58956dc7e3017aeee027361f056d76f8a3
sha384	508b0bdf418c8493310bb1aa9efcfccbe8f29da01b0741e93929f4117f14d05eaf8f04a8a155ed52fed6da4706e514c5
sha512	f63668fbc6e8ad503505d12f0efd63fe552ac8d1917d65f0b9d18fc23dd8a96c9405c0e9b85cb9d2a4b320273deccb8692bba7c8ec0b2d524a6d5a772285d8d0
ripemd128	118c18f70cc41242027655cd565fcda9
ripemd160	34ebc3ba9da05df6037dc8186ef8eb6c99a9afad
ripemd256	dca533fdf24f28d068f14b07cefa33429e0722ea7d854c08064821e807d0af5a
ripemd320	83b3224187d0e4e3a96f213849bab69568d23d98589199cffb6c2c5c7c3522825e7ac892afa052df
whirlpool	248230c25597dc3464df02d81352d5d075f3e70349786572577ce86f9219456770b2c6fc0fee6465326d0e025910e5bc4be8cb07de2871b1aa47e38bd4272418
tiger128,3	63129641778583ceb4d4c760ee19669d
tiger160,3	63129641778583ceb4d4c760ee19669dd536fb4d
tiger192,3	63129641778583ceb4d4c760ee19669dd536fb4dab1c9783
tiger128,4	425a07075d7aee9a18da7453ceebac8f
tiger160,4	425a07075d7aee9a18da7453ceebac8f9a027c7e
tiger192,4	425a07075d7aee9a18da7453ceebac8f9a027c7eddf2a069
snefru	011c1e6850e07fa02e995ffb76991c084b1029e7e84393b7dc4c57acdc274653
snefru256	011c1e6850e07fa02e995ffb76991c084b1029e7e84393b7dc4c57acdc274653
gost	4fc3bedfe5bf022f84cff4872ee87d443d65e959caa99baf3fb25924209764e7
gost-crypto	9cc402eee8b1b188acfcc98105f16126d9a2593768c62360a2fdcb70ed386f6e
adler32	174b02ed
crc32	0c067bcc
crc32b	9b0e1f1e
fnv132	2003631d
fnv1a32	fb894f85
fnv164	e994bc74c3fdd09d
fnv1a64	5f313685d4b24c85
joaat	f9958720
haval128,3	6c9752d82bfde5aa59329448c04d28d4
haval160,3	ade82385712bbb94e873e95bd3b3789be6379cba
haval192,3	41e49ea12ff55239e561a3fe9a0353f206198f81a6213cb5
haval224,3	e81052aa2af44b5be8595c9bd558d97858f85c6bc6ce74a428ddae5b
haval256,3	d86d8fac0bdcbe23ee5263bedee66ec20dcd68002642876f6b1fee482d487871
haval128,4	fd0e5ecbc811cc92564cfd664b13af23
haval160,4	9a7f1d3ff71cc1994f5a8001988fcea81388887e
haval192,4	9e31e1caa01e9a49b4fa647a19a12932584129f0892bb0af
haval224,4	23ffb3435911d667823d8addfe80354cfb74d19d0409e7fea2e258bc
haval256,4	f82493560b5068b57dddc97eb4c6ca684069f1919fb66dcde6af47c44554d736
haval128,5	af49b56c3d9b0695981a25d09b1447cf
haval160,5	d0d7df99bdbbf5d52ea219e3e3bb007f3eb2b325
haval192,5	a27c267f4fb605608d5cf087520081594844c4fcc8b94c1c
haval224,5	338886eae58448ee09fa57100225382365508ccb6178f1ecc91f8178
haval256,5	3f8782cba8528ebb02791ab6efae3e654881e0706229f7a0b266efe051749f10

Barcodes are widely used almost everywhere in the world, and this website is not an exception. Since barcodes are representing data in a machine-readable form, they are make life easier for people who are trying to interact and communicate with various devices. To make this website a little more useful for both people and machines, below are provided the most popular barcodes for IP 140.205.194.251.

Symbology	Barcode Image
QR Code
Codabar
ITF-14
Data Matrix
UPC-A
Code 39
EAN-8