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ASN Lookup Tool
AS1580 DNIC-ASBLK-01550-01601

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1580
Organisation
DoD Network Information Center
Name
DNIC-ASBLK-01550-01601
Total IPv4 Addresses
131,584
Total IPv4 Prefixes
4
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,573 out of 78,455
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2006-04-03
Registration Last Change
2009-05-26
Receiving From

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

ASN
Organisation
AS1554
US flagDoD Network Information Center
IPv4 Active Prefixes

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

Prefix140.154.0.0/16
Range From140.154.0.0
Range To140.154.255.255
Prefix147.35.0.0/16
Range From147.35.0.0
Range To147.35.255.255
Prefix215.65.26.0/24
Range From215.65.26.0
Range To215.65.26.255
Prefix215.65.27.0/24
Range From215.65.27.0
Range To215.65.27.255
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.