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ASN Lookup Tool
AS9 CMU-ROUTER

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS9
Organisation
Carnegie Mellon University
Name
CMU-ROUTER
Total IPv4 Addresses
133,634
Total IPv4 Prefixes
9
Total IPv6 Prefixes
16
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,539 out of 79,132
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2012-04-02
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS2152
US flagCENIC
AS6461
US flagZayo Bandwidth
AS46887
US flagCrown Castle Fiber LLC
AS5050
US flagPittsburgh Supercomputing Center
Showing 5 of 7
IPv4 Active Prefixes
PrefixRange FromRange To
128.2.0.0/16128.2.0.0128.2.255.255
128.237.0.0/16128.237.0.0128.237.255.255
137.164.1.144/31137.164.1.144137.164.1.145
192.5.146.0/24192.5.146.0192.5.146.255
192.12.32.0/24192.12.32.0192.12.32.255
Showing 5 of 9
IPv6 Active Prefixes
PrefixRange FromRange To
2607:fb28::/442607:fb28::2607:fb28:f:ffff:ffff:ffff:ffff:ffff
2607:fb28:11::/482607:fb28:11::2607:fb28:11:ffff:ffff:ffff:ffff:ffff
2607:fb28:12::/472607:fb28:12::2607:fb28:13:ffff:ffff:ffff:ffff:ffff
2607:fb28:14::/462607:fb28:14::2607:fb28:17:ffff:ffff:ffff:ffff:ffff
2607:fb28:18::/452607:fb28:18::2607:fb28:1f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 16