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ASN Lookup Tool
AS21965 HIGHMARK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21965
Organisation
Highmark Inc
Name
HIGHMARK
Total IPv4 Addresses
5,632
Total IPv4 Prefixes
22
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13,370 out of 79,353
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2014-10-27
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS3356
US flagLevel 3 Parent, LLC
AS6461
US flagZayo Bandwidth
AS15830
NL flagEquinix (EMEA) Acquisition Enterprises B.V.
AS46887
US flagCrown Castle Fiber LLC
Showing 5 of 6
Transit To
ASN
Organisation
AS22255
US flagAllegheny Health Network
IPv4 Active Prefixes
PrefixRange FromRange To
157.154.3.0/24157.154.3.0157.154.3.255
157.154.4.0/24157.154.4.0157.154.4.255
157.154.5.0/24157.154.5.0157.154.5.255
157.154.6.0/24157.154.6.0157.154.6.255
157.154.7.0/24157.154.7.0157.154.7.255
Showing 5 of 22