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ASN Lookup Tool
AS16643 VCU-ASN1

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS16643
Organisation
Virginia Commonwealth University
Name
VCU-ASN1
Total IPv4 Addresses
66,560
Total IPv4 Prefixes
5
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,789 out of 79,129
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2000-05-30
Registration Last Change
2025-03-06
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS40220
US flagVirginia Polytechnic Institute and State Univ.
IPv4 Active Prefixes
PrefixRange FromRange To
128.172.0.0/18128.172.0.0128.172.63.255
128.172.64.0/18128.172.64.0128.172.127.255
128.172.128.0/18128.172.128.0128.172.191.255
128.172.192.0/18128.172.192.0128.172.255.255
208.22.76.0/22208.22.76.0208.22.79.255