APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address

% APNIC found the following authoritative answer from: whois.arin.net
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
#
NetRange:       66.128.208.0 - 66.128.223.255
CIDR:           66.128.208.0/20
NetName:        CHC-66-128-208-NET
NetHandle:      NET-66-128-208-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS32022
Organization:   Children's Hospital Colorado (CHD)
RegDate:        2004-02-27
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/66.128.208.0
OrgName:        Children's Hospital Colorado
OrgId:          CHD
Address:        Corporate Compliance Box 450
Address:        13123 East 16th Ave
City:           Aurora
StateProv:      CO
PostalCode:     80046
Country:        US
RegDate:        1993-01-12
Updated:        2013-02-07
Ref:            https://rdap.arin.net/registry/entity/CHD
OrgAbuseHandle: NETWO4188-ARIN
OrgAbuseName:   Network Manager
OrgAbusePhone:  +1-720-777-1234 
OrgAbuseEmail:  TCH-DNS-ADMIN@childrenscolorado.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4188-ARIN
OrgNOCHandle: NETWO4188-ARIN
OrgNOCName:   Network Manager
OrgNOCPhone:  +1-720-777-1234 
OrgNOCEmail:  TCH-DNS-ADMIN@childrenscolorado.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4188-ARIN
OrgTechHandle: NETWO4188-ARIN
OrgTechName:   Network Manager
OrgTechPhone:  +1-720-777-1234 
OrgTechEmail:  TCH-DNS-ADMIN@childrenscolorado.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4188-ARIN
RTechHandle: NETWO4188-ARIN
RTechName:   Network Manager
RTechPhone:  +1-720-777-1234 
RTechEmail:  TCH-DNS-ADMIN@childrenscolorado.org
RTechRef:    https://rdap.arin.net/registry/entity/NETWO4188-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
#
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
8 records found for '66.128.217.50'
Search for  
IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

Query hints

  • Include "AS" in front of an AS number.
    Example: AS4808

  • Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template
    Example: -t inetnum

-x

Exact match only

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

For more information see: