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ASN Lookup Tool
AS5237 DNIC-ASBLK-05120-05376

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS5237
Organisation
DoD Network Information Center
Name
DNIC-ASBLK-05120-05376
Total IPv4 Addresses
68,096
Total IPv4 Prefixes
43
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,588 out of 77,675
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1995-05-09
Registration Last Change
2009-05-14
Receiving From

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

ASN
Organisation
AS1733
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).

Prefix205.56.209.0/24
Range From205.56.209.0
Range To205.56.209.255
Prefix205.56.210.0/24
Range From205.56.210.0
Range To205.56.210.255
Prefix205.59.90.0/23
Range From205.59.90.0
Range To205.59.91.255
Prefix205.59.192.0/20
Range From205.59.192.0
Range To205.59.207.255
Prefix205.60.0.0/24
Range From205.60.0.0
Range To205.60.0.255
Showing 5 of 43
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.