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
149.40.0.0
Reverse DNS
149.40.0.0
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
149.40.0.0
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
149.40.0.0/16
Prefix:
149.40.0.0/16
(
65.536 IP's - view in CIDR to IP tool
)
Description:
Cogent Communications
Country:
Britain (UK)
Announced by:
Cogent Communications
https://www.cogentco.com/
AS174, 6.785 peers, 1.463 announced prefixes
See all details on AS174 - Cogent Communications »
Matching prefixes
Country
ASN
Announced prefix
Description
Size
Britain (UK)
AS174
149.40.0.0/16
Cogent Communications
65.536
Britain (UK)
AS212655
149.40.0.0/21
YouFibre Limited
2.048
Brazil
AS28323
149.40.16.0/21
VIPRede Telecomunicaes Ltda
2.048
Brazil
AS28323
149.40.24.0/23
VIPRede Telecomunicaes Ltda
512
Brazil
AS28323
149.40.28.0/22
VIPRede Telecomunicaes Ltda
1.024
Spain
AS204364
149.40.32.0/20
Digital Resources Management S.L.
4.096
Britain (UK)
AS212238
149.40.48.0/24
Datacamp Limited
256
United States
AS212238
149.40.49.0/24
Datacamp Limited
256
United States
AS212238
149.40.50.0/24
Datacamp Limited
256
United States
AS212238
149.40.51.0/24
Datacamp Limited
256
Austria
AS212238
149.40.52.0/24
Datacamp Limited
256
United States
AS212238
149.40.53.0/24
Datacamp Limited
256
Hong Kong
AS212238
149.40.54.0/23
Datacamp Limited
512
United States
AS212238
149.40.56.0/24
Datacamp Limited
256
United States
AS212238
149.40.57.0/24
Datacamp Limited
256
United States
AS212238
149.40.58.0/24
Datacamp Limited
256
Netherlands
AS212238
149.40.59.0/24
Datacamp Limited
256
United States
AS212238
149.40.60.0/24
Datacamp Limited
256
Czech Republic
AS212238
149.40.61.0/24
Datacamp Limited
256
Germany
AS212238
149.40.62.0/24
Datacamp Limited
256
Britain (UK)
AS212238
149.40.63.0/24
Datacamp Limited
256
United States
AS197537
149.40.64.0/19
WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD.
8.192
United States
AS202736
149.40.64.0/20
WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD.
4.096
United States
AS7018
149.40.64.0/23
AT&T Services, Inc.
512
Hong Kong
AS10103
149.40.66.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.67.0/24
AT&T Services, Inc.
256
United States
AS7018
149.40.68.0/23
AT&T Services, Inc.
512
United States
AS7018
149.40.71.0/24
AT&T Services, Inc.
256
United States
AS7018
149.40.72.0/22
AT&T Services, Inc.
1.024
United States
AS7018
149.40.77.0/24
AT&T Services, Inc.
256
Hong Kong
AS10103
149.40.78.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.79.0/24
AT&T Services, Inc.
256
Hong Kong
AS204936
149.40.80.0/20
WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD.
4.096
Hong Kong
AS10103
149.40.80.0/24
Hong Kong Broadband Network Ltd
256
Hong Kong
AS10103
149.40.81.0/24
Hong Kong Broadband Network Ltd
256
Hong Kong
AS10103
149.40.82.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.83.0/24
AT&T Services, Inc.
256
United States
AS7018
149.40.84.0/24
AT&T Services, Inc.
256
Hong Kong
AS10103
149.40.85.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.86.0/23
AT&T Services, Inc.
512
Hong Kong
AS10103
149.40.88.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.89.0/24
AT&T Services, Inc.
256
Hong Kong
AS10103
149.40.90.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.91.0/24
AT&T Services, Inc.
256
Hong Kong
AS10103
149.40.92.0/24
Hong Kong Broadband Network Ltd
256
Hong Kong
AS10103
149.40.93.0/24
Hong Kong Broadband Network Ltd
256
United States
AS7018
149.40.94.0/23
AT&T Services, Inc.
512
Britain (UK)
AS41354
149.40.96.0/19
ITS Technology Group Limited
8.192
Germany
AS38193
149.40.228.0/24
TRANSWORLD ASSOCIATES (PVT) LIMITED
256
- - show more (+38 entries) - -
- - show less (-38 entries) - -
Log
000
+000
Parse input (Prefix)
000
+000
Search database for '149.40.0.0/16'
017
+017
49 prefixes found
017
+000
Done