ASN database

You may find these sub-pages interesting as well:

Related tools

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

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

216.45.128.0

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

216.45.128.0/17

Prefix:

216.45.128.0/17 (32.768 IP's - view in CIDR to IP tool)

Description:

Comcast Cable Communications, LLC

Country:

United States

Announced by:

Comcast Cable Communications, LLC

AS7922, 159 peers, 157 announced prefixes

See all details on AS7922 - Comcast Cable Communications, LLC »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS7922

216.45.128.0/17

Comcast Cable Communications, LLC

32.768

United States

AS33661

216.45.220.0/23

Comcast Cable Communications, LLC

512

United States

AS33661

216.45.222.0/24

Comcast Cable Communications, LLC

256

United States

AS32621

216.45.236.0/24

Twin City VoIP, Inc.

256

United States

AS46214

216.45.253.0/24

Lefleur Transportation of Tupelo, Inc.

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '216.45.128.0/17'
014	+014	5 prefixes found
014	+000	Done

ASN database

Related tools

Result

216.45.128.0/17

Matching prefixes

Log

The tools of iamroot.tech

Changelog

Newsletter