iamroot.tech
Toggle navigation
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
All tools
Page nav
Page nav
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
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
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
CTRL+D to bookmark
Add to homescreen
×
Tap the 'Share button' at the bottom of the screen:
Scroll down the list, and select 'Add to Home Screen':
Tap the menu icon (3 dots - upper right-hand corner):
and select 'Add to homescreen'.:
ASN database
You may find these sub-pages interesting as well:
Top ASN's by country
Directory of +1.200 verified looking glass url's
NEW: ASN database statistics
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
209.214.0.0
Reverse DNS
209.214.0.0
CIDR calculator
beta
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.
What is my IPv4 and IPv6?
Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.
GeoIP location
209.214.0.0
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.
Result
209.214.0.0/15
Prefix:
209.214.0.0/15
(
131.072 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
209.214.0.0/15
AT&T Services, Inc.
131.072
United States
AS6381
209.214.128.0/21
AT&T Corp.
2.048
United States
AS6381
209.214.140.0/22
AT&T Corp.
1.024
United States
AS6385
209.214.152.0/24
AT&T Corp.
256
United States
AS6385
209.214.153.0/24
AT&T Corp.
256
United States
AS6384
209.214.191.0/24
AT&T Corp.
256
United States
AS396379
209.214.203.0/24
Bank OZK
256
United States
AS30417
209.214.224.0/24
BTIG LLC
256
United States
AS6385
209.215.5.0/24
AT&T Corp.
256
United States
AS22040
209.215.34.0/24
Linxus Internet
256
United States
AS13342
209.215.71.0/24
-
256
United States
AS6389
209.215.72.0/24
AT&T Corp.
256
United States
AS397600
209.215.105.0/24
Bank OZK
256
United States
AS2732
209.215.111.0/24
Valliant Telephone Co INC
256
United States
AS53928
209.215.114.0/24
Fortinet Inc.
256
United States
AS36600
209.215.133.0/24
Froedtert Memorial Lutheran Hospital, Inc.
256
United States
AS2386
209.215.184.0/24
AT&T Data Communications Services
256
United States
AS13342
209.215.186.0/23
-
512
United States
AS2386
209.215.196.0/24
AT&T Data Communications Services
256
United States
AS6382
209.215.199.0/24
AT&T Corp.
256
United States
AS6198
209.215.210.0/24
BellSouth Network Solutions, Inc
256
United States
AS6381
209.215.223.0/24
AT&T Corp.
256
United States
AS6384
209.215.225.0/24
AT&T Corp.
256
United States
AS6381
209.215.227.0/24
AT&T Corp.
256
United States
AS6382
209.215.230.0/24
AT&T Corp.
256
United States
AS6385
209.215.231.0/24
AT&T Corp.
256
United States
AS6198
209.215.234.0/24
BellSouth Network Solutions, Inc
256
- - show more (+16 entries) - -
- - show less (-16 entries) - -
Log
000
+000
Parse input (Prefix)
000
+000
Search database for '209.214.0.0/15'
013
+013
27 prefixes found
014
+000
Done