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ASN Lookup Tool
AS4043 MIC-ASN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4043
Organisation
Montana Internet Corporation
Name
MIC-ASN
Total IPv4 Addresses
25,344
Total IPv4 Prefixes
4
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,706 out of 78,987
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1994-11-17
Registration Last Change
2023-12-29
Receiving From
ASN
Organisation
AS4181
US flagTDS TELECOM
AS6461
US flagZayo Bandwidth
AS7575
AU flagAustralian Academic and Research Network
AS20055
US flagWholesail networks LLC
AS293
US flagESnet
Showing 5 of 14
Transit To
ASN
Organisation
AS399986
US flagSt. Peter's Health
IPv4 Active Prefixes
PrefixRange FromRange To
199.5.172.0/24199.5.172.0199.5.172.255
205.207.148.0/23205.207.148.0205.207.149.255
206.127.64.0/18206.127.64.0206.127.127.255
209.161.128.0/19209.161.128.0209.161.159.255