IP subnet details

166.0.101.0/24

AS7488  — Cnserver LLC

Summary

Country
US United States
Domain in-addr.arpa
Size 256
IP Range
166.0.101.0 – 166.0.101.255 Convert CIDR to IP range
Registry APNIC
Network Name NET-166-0-101-0-24

Whois

inetnum: 166.0.0.0 - 166.255.255.255
netname: ERX-NETBLOCK
descr: Early registration addresses
remarks: ------------------------------------------------------
remarks: Important:
remarks:
remarks: Networks in this range were allocated by InterNIC
remarks: prior to the formation of Regional Internet
remarks: Registries (RIRs): AfriNIC, APNIC, ARIN, LACNIC and RIPE NCC.
remarks:
remarks: Address ranges from this historical space have now
remarks: been transferred to the appropriate RIR database.remarks:
remarks: If your search has returned this record, it means the
remarks: address range is not administered by APNIC.
remarks:
remarks: Instead, please search one of the following databases:
remarks:
remarks: - AfriNIC (Africa)
remarks: website: http://www.afrinic.net/
remarks: command line: whois.afrinic.net
remarks:
remarks: - ARIN (Northern America)
remarks: website: http://www.arin.net/
remarks: command line: whois.arin.net
remarks:
remarks: - LACNIC (Latin America and the Carribean)
remarks: website: http://www.lacnic.net/
remarks: command line: whois.lacnic.net
remarks:
remarks: - RIPE NCC (Europe)
remarks: website: http://www.ripe.net/
remarks: command line: whois.ripe.net
remarks:
remarks: For information on the Early Registration Transfer
remarks: (ERX) project, see:
remarks:
remarks: http://www.apnic.net/db/erx
remarks:
remarks: ------------------------------------------------------
country: AU
admin-c: IANA1-AP
tech-c: IANA1-AP
mnt-by: APNIC-HM
mnt-by: APNIC-PLACEHOLDER
mnt-lower: APNIC-HM
status: ALLOCATED PORTABLE
last-modified: 2026-09-23T22:43:39Z
source: APNIC
mnt-irt: IRT-APNIC-AP

irt: IRT-APNIC-AP
address: Brisbane, Australia
e-mail: helpdesk@apnic.net
abuse-mailbox: helpdesk@apnic.net
admin-c: HM20-AP
tech-c: NO4-AP
remarks: APNIC is a Regional Internet Registry.
remarks: We do not operate the referring network and
remarks: are unable to investigate complaints of network abuse.
remarks: For information about IRT, see www.apnic.net/irt
remarks: helpdesk@apnic.net was validated on 2020-02-03
auth: # Filtered
mnt-by: APNIC-HM
last-modified: 2025-11-18T00:26:21Z
source: APNIC

role: Internet Assigned Numbers Authority
address: see http://www.iana.org.
admin-c: IANA1-AP
tech-c: IANA1-AP
nic-hdl: IANA1-AP
remarks: For more information on IANA services
remarks: go to IANA web site at http://www.iana.org.
mnt-by: MAINT-APNIC-AP
last-modified: 2018-06-22T22:34:30Z
source: APNIC

CIDR IP address subranges within 166.0.101.0/24 subnet

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