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iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
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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
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
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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ASN database
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Related tools
DNS lookup
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
216.100.0.0
Reverse DNS
216.100.0.0
CIDR calculator
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IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.
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Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.
GeoIP location
216.100.0.0
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Result
216.100.0.0/14
Prefix:
216.100.0.0/14
(
262.144 IP's - view in CIDR to IP tool
)
Description:
AT&T Services, Inc.
Country:
United States
Announced by:
AT&T Services, Inc.
https://www.att.com
AS7018, 2.382 peers, 2.641 announced prefixes
See all details on AS7018 - AT&T Services, Inc. »
Matching prefixes
Country
ASN
Announced prefix
Description
Size
United States
AS7018
216.100.0.0/14
AT&T Services, Inc.
262.144
United States
AS7287
216.100.36.0/22
AT&T Corp.
1.024
United States
AS7287
216.100.72.0/22
AT&T Corp.
1.024
United States
AS7287
216.100.80.0/22
AT&T Corp.
1.024
United States
AS23024
216.100.88.0/21
Orange County Department of Education
2.048
United States
AS394607
216.100.93.0/24
-
256
United States
AS7287
216.100.133.0/24
AT&T Corp.
256
United States
AS7287
216.100.134.0/24
AT&T Corp.
256
United States
AS7287
216.100.135.0/24
AT&T Corp.
256
United States
AS7287
216.100.136.0/22
AT&T Corp.
1.024
United States
AS7287
216.100.180.0/22
AT&T Corp.
1.024
United States
AS14849
216.100.200.0/24
Superior Court of California, County of San Diego
256
United States
AS14421
216.101.17.0/24
Theravance Biopharma US, Inc
256
United States
AS30443
216.101.115.0/24
Golden State Overnight Delivery Service, Inc.
256
United States
AS7287
216.101.128.0/22
AT&T Corp.
1.024
United States
AS7287
216.101.136.0/22
AT&T Corp.
1.024
United States
AS7287
216.101.216.0/22
AT&T Corp.
1.024
United States
AS23369
216.102.12.0/22
Sonoma County Office of Education
1.024
United States
AS23369
216.102.72.0/21
Sonoma County Office of Education
2.048
United States
AS23369
216.102.80.0/22
Sonoma County Office of Education
1.024
United States
AS7287
216.102.112.0/22
AT&T Corp.
1.024
United States
AS7287
216.102.124.0/22
AT&T Corp.
1.024
United States
AS22261
216.103.0.0/23
San Diego County Water Authority
512
United States
AS25993
216.103.127.0/24
AT&T Labs, Inc.
256
United States
AS36074
216.103.147.0/24
Torrance Memorial Medical Center
256
United States
AS36074
216.103.157.0/24
Torrance Memorial Medical Center
256
United States
AS7287
216.103.204.0/22
AT&T Corp.
1.024
United States
AS7287
216.103.228.0/22
AT&T Corp.
1.024
United States
AS7287
216.103.240.0/22
AT&T Corp.
1.024
- - show more (+18 entries) - -
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Log
000
+000
Parse input (Prefix)
000
+000
Search database for '216.100.0.0/14'
018
+018
29 prefixes found
018
+000
Done