IP tools to find who owns/ registered an IP ( whois)
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Non attributable reserved IP numbers
MYip.ms - Really nice interface to show where your ip resolves to, where your enquiry does, and where the server is thatthe IP or domain is held on.
IP and whois lookup - nice interface and results easy to read
cqtracker.com - a useful and user friendly IP database and whois, and geo locator all in one . Not restricted like hexillion
iptrackeronline - email header analyser and IP tracker
​WHOIS - IP Registration using the RIPE database ​
Privacy checker - by clicking this link the program will check and display the connection details of the computer you are now on.
wolframalpha - fantastic IP resolution and geo tool amongst other things

Bulk IP search (30 max)

Email Header analyser paste your header here and it will analyse and provide traceroute data​
IP tools to find out your own IP

IP Chicken - tells you your own IP - useful if you want to check your proxy settings before surfing safely.
iptrackeronline - email header analyser and IP tracker
infosniper - geolocates any Ip, starting with your own
MYip.ms - Really nice interface to show where your ip resolves to, where your enquiry does, and where the server is thatthe IP or domain is held on.
Accuranker
ahrefs
Alexa
altdns
Analyze ID
APNIC
aquatone
ARIN
Assetnote-poc
Backlink Checker
BGP
Bing Webmaster Tools
Blacklist Check Tool
BlackWidow
Blue Backlinks
Bluto-Old
BotScout
BrightCloud URL or IP Lookup
BuiltWith
Censys
Central Ops
certgraph
Certificate Search
clearwebstats
CloudFail
CloudFlare Watch
Complete DNS
COMODO SSL Analyzer
Copyscape
Crt.sh
CQCounter
Custom Domain SearchTools
Custom IP Address SearchTools
CuteStats
Cymon
Cymru IP to ASN Lookup
Daily Changes
DB-IP
Dedicated or Not
Deepviz - search
Denic web whois
Digital Point
Directory of Malicious IPs
DNSDumpster
DNS History
DNSlytics
dnspop
dnsrecon
DNS Root Instances
DNSSec Analyzer
DNS Spy
DNSStuff
DNS Trails
DNS Trails
dnstwister
DNSViz
Domain Big Data
Domain Crawler
Domain Dossier
Domain History
Domain & IP Addresses
DomainIQ
Domain Tools
Domain Tools
downdetector
downforeveryoneorjustme
DShield API
EasyCounter WHois
Easy whois
EURid
Exfiltrated
Exonera Tor
Fierce-domain-scanner
FindSubDomains
Finitimus
cgaagfcnndkkknfmncedapdjaokb?utm_source=chromentp-
icon
Follow.net
gdns
Geo IP Tool
gobuster
GoDaddy WHois
GooHak
GraphyStories
Hexillion
HypeStat
Icann Whois
IKnowWhatYouDownload
0.192
InfoBylp (Bulk Domain & IP)Lookup
Infosniper
intoDNS
IntelliTamper
Related/IntelliTamper.shtml
InterNIC Whois
IP 2 Geolocation
IP 2 Location
IP Address
IP Address Location
Ipapi Bulk IP Address
Lookup
IP Checking
IP Chicken
IP Data
IPFingerprints
iphostinfo
IP Info
Ipinfo.io
ipintel
IP Lists by FireHOL
IP Location
IP to ASN
IP Tracker Online
IPv6 Locator
ipverse
IPVoid
iTools
iwantmyname
IXMaps Explore
JoeSandboxCloud
Jotti
Kloth
lacnic
Leaked Source
Linktally
Majestic
Maltego
Malware Domain List
MaxMind
McAfee Customer URL
Ticketing System
mnemonic
moonsearch
moreofit
Mr. LOOQUER
MXToolbox ||
My IP
Netcraft Site Report
_reboot
NetStat Agent
Network Intelligence
Network Tools
Nibbler
NirSoft
Onyphe
OpenLinkProfiler
Open Site Explorer
OSINT SPY
PageGlimpse
Pentest-Tools Find
Subdomains
of-domain
Pentest-Tools.com
Plagiarism Checker
PTRArchive
pubDB
Quantcast
Quick Sprout
RedirectDetective
Remote DNS Lookup
Reverse DNS Lookup
Reverse IP to Domain Lookup
RIPE NCC
RiskIQ
Risk Neustar
tool
Robtex
SameID
SameIP
Scamvoid
scanless
Scans.io
Security Headers
SEMrush
SEO Chat Tools
SEO SiteCheckup Sitemap
SEOTools for Excel
Serpstat
Shodan
SIDN
Similar Web
Site Dossier
Siteliner
SiteSleuth
SmallSEOTools
Snusbase
Software77 Multi-Lookup
SpyCraw
SpyOnWeb
StatsCrop
Sublist3r
Sucuri Free Website and
Malware Scanner
Symantec WebPulse Site
Review Request
Talos Reputation Lookup
TCPIPUTILS.com
Tejji
Threat Crowd
Threatglass
Threat Miner
Trend Micro Site Safety Center
Timer4Web
Tucows domains
urlQuery
urlscan
URLVoid
Utrace
Verisign
Viewdns
Vigilante
Virus Total
Visual Site Mapper
W3bin.com
W3dt
w3snoop
Wappalyzer
Watch Guard Reputation
Authority
Web Filter Lookup
Web Inspector Free
Website Malware Scanner
WebMeUp
WebPageTest
Website Informer
Website Outlook
webtarantula
WhatIsMyIPAddress
Whois
Who.is
Whois Amped
Whois Arin Online
Whois.com
WhoIsHostingThis
WHOIS ICANN
WhoisLookup
WhoisMind
WHOis.net
Whois.Search
Whoisology
WhoIsRequest
WhoLinks2Me
Whoxy
Wigle
Woorank
xray
You Get Signal
Zulu URL Risk Analyzer