APNIC - Query the APNIC Whois Database

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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:       128.231.0.0 - 128.231.255.255
CIDR:           128.231.0.0/16
NetName:        NIHNET-1
NetHandle:      NET-128-231-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS3527
Organization:   National Institutes of Health (NIH-Z)
RegDate:        1987-05-06
Updated:        2022-10-28
Ref:            https://rdap.arin.net/registry/ip/128.231.0.0

OrgName:        National Institutes of Health
OrgId:          NIH-Z
Address:        9000 Rockville Pike
Address:        MSC 4805
City:           Bethesda
StateProv:      MD
PostalCode:     20892-4805
Country:        US
RegDate:        2022-10-09
Updated:        2022-10-09
Ref:            https://rdap.arin.net/registry/entity/NIH-Z

OrgTechHandle: NIHTE-ARIN
OrgTechName:   NIHtechs
OrgTechPhone:  +1-301-402-3141 
OrgTechEmail:  citnsarin@mail.nih.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN

OrgRoutingHandle: NDAND-ARIN
OrgRoutingName:   NIH DNS Administrators, NIH DNS 
OrgRoutingPhone:  +1-301-435-1970 
OrgRoutingEmail:  hostmaster@list.nih.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NDAND-ARIN

OrgNOCHandle: NOC228-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-301-402-3141 
OrgNOCEmail:  NIH-DOMAIN-ADMIN@list.nih.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC228-ARIN

OrgAbuseHandle: NIHIR-ARIN
OrgAbuseName:   NIH IRT
OrgAbusePhone:  +1-301-881-9726 
OrgAbuseEmail:  irt@nih.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIHIR-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 '128.231.237.4'
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: