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ASN Lookup Tool
AS18558 NETBLK-RCOEK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS18558
Organisation
Riverside County Office of Education
Name
NETBLK-RCOEK
Total IPv4 Addresses
72,204
Total IPv4 Prefixes
250
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,462 out of 79,333
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2025-10-20
Receiving From
ASN
Organisation
AS2152
US flagCENIC
Transit To
ASN
Organisation
AS395643
US flagCorona-Norco Unified School District
IPv4 Active Prefixes
PrefixRange FromRange To
137.164.1.110/31137.164.1.110137.164.1.111
137.164.1.236/30137.164.1.236137.164.1.239
137.164.3.16/31137.164.3.16137.164.3.17
137.164.13.36/30137.164.13.36137.164.13.39
198.188.95.0/24198.188.95.0198.188.95.255
Showing 5 of 250
IPv6 Active Prefixes
PrefixRange FromRange To
2607:f380::118:9a40:16e0/1232607:f380::118:9a40:16e02607:f380::118:9a40:16ff
2607:f380::118:9a40:1ec0/1222607:f380::118:9a40:1ec02607:f380::118:9a40:1eff
2607:f380::118:9a40:d240/1222607:f380::118:9a40:d2402607:f380::118:9a40:d27f
2607:f380:1::118:9a40:3100/1232607:f380:1::118:9a40:31002607:f380:1::118:9a40:311f
2607:f708::/322607:f708::2607:f708:ffff:ffff:ffff:ffff:ffff:ffff