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updated
DNS propagation check
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updated
WHOIS / RDAP lookup
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beta
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Reverse DNS
CIDR calculator
beta
ASN database lookup
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What is my IPv4 and IPv6?
GeoIP location
QR code generator
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URL encode/decode
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World map, day/night + local time
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iamroot.tech
Internet tools
DNS lookup
updated
DNS propagation check
Port scan + probeing
updated
WHOIS / RDAP lookup
updated
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
Internet tools
DNS lookup
updated
DNS propagation check
Port scan + probeing
updated
WHOIS / RDAP lookup
updated
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
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CIDR and subnet calculator
IP to CIDR - simple
Input lower and upper IP (either IPv4 or IPv6) of the range - the tool will calculate best matching CIDR range. Subnet will be included in result.
IP to CIDR - advanced
Input at least two IP's (IPv4 and/or IPv6), domainnames or CIDR ranges to include - the tool will calculate best matching CIDR ranges. Subnet will be included in result. Seperate by space, tab, newline or comma.
IPv4 max network prefix:
== Auto ==
/32 - max 1 adresses
/31 - max 2 adresses
/30 - max 4 adresses
/29 - max 8 adresses
/28 - max 16 adresses
/27 - max 32 adresses
/26 - max 64 adresses
/25 - max 128 adresses
/24 - max 256 adresses
/23 - max 512 adresses - be carefull
/22 - max 1.024 adresses - be carefull
/21 - max 2.048 adresses - be carefull
/20 - max 4.096 adresses - be carefull
/19 - max 8.192 adresses - not recomended
/18 - max 16.384 adresses - not recomended
/17 - max 32.768 adresses - not recomended
/16 - max 65.536 adresses - not recomended
/15 - max 131.072 adresses - not recomended
/14 - max 262.144 adresses - not recomended
/13 - max 524.288 adresses - not recomended
/12 - max 1.048.576 adresses - not recomended
/11 - max 2.097.152 adresses - not recomended
/10 - max 4.194.304 adresses - not recomended
/9 - max 8.388.608 adresses - not recomended
/8 - max 16.777.216 adresses - not recomended
/7 - max 33.554.432 adresses - not recomended
/6 - max 67.108.864 adresses - not recomended
/5 - max 134.217.728 adresses - not recomended
/4 - max 268.435.456 adresses - not recomended
/3 - max 536.870.912 adresses - not recomended
/2 - max 1.073.741.824 adresses - not recomended
IPv6 max network prefix:
== Auto ==
/128
/120
/112
/104
/96
/88 - be carefull
/80 - be carefull
/72 - be carefull
/64 - be carefull
/56 - not recomended
/48 - not recomended
/40 - not recomended
/32 - not recomended
/24 - not recomended
/16 - not recomended
/8 - not recomended
Reverse - CIDR to IP + subnet
Input one or more CIDR ranges to get info of IP addresses and subnet.
101.250.88.0/24
Related tools
DNS lookup
updated
DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.
WHOIS / RDAP lookup
updated
101.250.88.0
ASN database lookup
beta
101.250.88.0
Port scan + probeing
updated
101.250.88.0
TLS/SSL certificate check
beta
Check details of your SSL certificate and the full chain of certificates.
Password generator
Create passwords of any complexity. Ready to copy and with phonetic nato codes for easy to read out loud.
World map, day/night + local time
beta
Beautiful day/night map of the world, with markup of all major cities including local date and time.
CIDR to IP result
101.250.88.0/24
CIDR
101.250.88.0/24
lower IP
101.250.88.0
upper IP
101.250.88.255
subnet
255.255.255.0
broadcast
101.250.88.255
count
256
101.250.88.0/24
is announced by
AS38701, Piranha Systems
.
ASN database lookup »
byte no:
1
2
3
4
bit no:
1-8
9-16
17-24
25-32
value:
101
250
88
0
bit pattern:
0
1
1
0
0
1
0
1
1
1
1
1
1
0
1
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
prefix:
/24
Log
Parseing '101.250.88.0/24' into 256 IP's
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