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ASN Lookup Tool
AS3943 DMM

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3943
Organisation
CISCO SYSTEMS, INC.
Name
DMM
Total IPv4 Addresses
65,536
Total IPv4 Prefixes
1
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,438 out of 79,078
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2012-08-06
Registration Last Change
2023-09-12
Receiving From

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

ASN
Organisation
AS3257
US flagGTT Communications Inc.
AS7660
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IPv4 Active Prefixes

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

PrefixRange FromRange To
153.16.0.0/16153.16.0.0153.16.255.255
IPv6 Active Prefixes
PrefixRange FromRange To
2610:d0::/322610:d0::2610:d0:ffff:ffff:ffff:ffff:ffff:ffff