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ASN Lookup Tool
AS749 DNIC-AS-00749

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS749
Organisation
DoD Network Information Center
Name
DNIC-AS-00749
Total IPv4 Addresses
224900608
Total IPv4 Prefixes
5681
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1 out of 77,325
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1970-01-01
Registration Last Change
2011-07-05
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS1555
US flagDoD Network Information Center
AS7004
CL flagCTC Transmisiones Regionales S.A.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix6.1.0.0/16
Range From6.1.0.0
Range To6.1.255.255
Prefix6.16.0.0/18
Range From6.16.0.0
Range To6.16.63.255
Prefix6.16.76.0/22
Range From6.16.76.0
Range To6.16.79.255
Prefix6.16.112.0/20
Range From6.16.112.0
Range To6.16.127.255
Prefix6.16.128.0/21
Range From6.16.128.0
Range To6.16.135.255
Showing 5 of 5681
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.