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ASN Lookup Tool
AS11951 MCSP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS11951
Organisation
Medical Computer Systems
Name
MCSP
Total IPv4 Addresses
37,376
Total IPv4 Prefixes
21
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,706 out of 79,133
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1999-02-12
Registration Last Change
2021-07-14
Receiving From
ASN
Organisation
AS174
US flagCogent Communications
AS33657
US flagComcast Cable Communications, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
66.186.128.0/2466.186.128.066.186.128.255
66.186.129.0/2466.186.129.066.186.129.255
66.186.130.0/2366.186.130.066.186.131.255
66.186.132.0/2266.186.132.066.186.135.255
66.186.136.0/2166.186.136.066.186.143.255
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