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:       146.203.0.0 - 146.203.255.255
CIDR:           146.203.0.0/16
NetName:        MSSMEDU-1
NetHandle:      NET-146-203-0-0-1
Parent:         NET146 (NET-146-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS11452
Organization:   Mount Sinai School of Medicine (MSSM)
RegDate:        1991-02-28
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/146.203.0.0
OrgName:        Mount Sinai School of Medicine
OrgId:          MSSM
Address:        One Gustave L. Levy Place
Address:        Mailstop 1102
City:           New York
StateProv:      NY
PostalCode:     10029-6574
Country:        US
RegDate:        1991-02-28
Updated:        2023-06-20
Ref:            https://rdap.arin.net/registry/entity/MSSM
OrgTechHandle: AP412-ARIN
OrgTechName:   Pizzimenti, Andrew 
OrgTechPhone:  +1-917-459-9302 
OrgTechEmail:  andrew.pizzimenti@mssm.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/AP412-ARIN
OrgTechHandle: GUNTH50-ARIN
OrgTechName:   Gunther, Doug 
OrgTechPhone:  +1-212-814-4541 
OrgTechEmail:  doug.gunther@mountsinai.org
OrgTechRef:    https://rdap.arin.net/registry/entity/GUNTH50-ARIN
OrgAbuseHandle: AP412-ARIN
OrgAbuseName:   Pizzimenti, Andrew 
OrgAbusePhone:  +1-917-459-9302 
OrgAbuseEmail:  andrew.pizzimenti@mssm.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AP412-ARIN
OrgNOCHandle: CRUZO-ARIN
OrgNOCName:   Cruz, Orquidia 
OrgNOCPhone:  +1-212-241-6671 
OrgNOCEmail:  Orquidia.Cruz@mssm.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/CRUZO-ARIN
OrgNOCHandle: AP412-ARIN
OrgNOCName:   Pizzimenti, Andrew 
OrgNOCPhone:  +1-917-459-9302 
OrgNOCEmail:  andrew.pizzimenti@mssm.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/AP412-ARIN
RAbuseHandle: NETWO2964-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-212-241-7091 
RAbuseEmail:  abuse@mssm.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2964-ARIN
RTechHandle: AP412-ARIN
RTechName:   Pizzimenti, Andrew 
RTechPhone:  +1-917-459-9302 
RTechEmail:  andrew.pizzimenti@mssm.edu
RTechRef:    https://rdap.arin.net/registry/entity/AP412-ARIN
RNOCHandle: NETWO2964-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-212-241-7091 
RNOCEmail:  abuse@mssm.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO2964-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.
12 records found for '146.203.126.72'
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: