APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.216.57]

% 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 1997-2026, American Registry for Internet Numbers, Ltd.
#
NetRange:       169.156.0.0 - 169.156.255.255
CIDR:           169.156.0.0/16
NetName:        BALTIMORE-MD-US
NetHandle:      NET-169-156-0-0-1
Parent:         NET169 (NET-169-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   City of Baltimore (CITYOF-41)
RegDate:        1995-01-07
Updated:        2023-03-27
Ref:            https://rdap.arin.net/registry/ip/169.156.0.0
OrgName:        City of Baltimore
OrgId:          CITYOF-41
Address:        400 Cathedral St.
City:           Baltimore
StateProv:      MD
PostalCode:     21201
Country:        US
RegDate:        1995-01-07
Updated:        2023-03-27
Ref:            https://rdap.arin.net/registry/entity/CITYOF-41
OrgTechHandle: SNE160-ARIN
OrgTechName:   Sailor Network Engineer
OrgTechPhone:  +1-425-232-3126 
OrgTechEmail:  dnsadmin@soc.lib.md.us
OrgTechRef:    https://rdap.arin.net/registry/entity/SNE160-ARIN
OrgAbuseHandle: MW118-ARIN
OrgAbuseName:   Walsh, Michael 
OrgAbusePhone:  +1-410-545-6340 
OrgAbuseEmail:  dnsadmin@soc.lib.md.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MW118-ARIN
OrgTechHandle: MW118-ARIN
OrgTechName:   Walsh, Michael 
OrgTechPhone:  +1-410-545-6340 
OrgTechEmail:  dnsadmin@soc.lib.md.us
OrgTechRef:    https://rdap.arin.net/registry/entity/MW118-ARIN
RTechHandle: SNE160-ARIN
RTechName:   Sailor Network Engineer
RTechPhone:  +1-425-232-3126 
RTechEmail:  dnsadmin@soc.lib.md.us
RTechRef:    https://rdap.arin.net/registry/entity/SNE160-ARIN
RTechHandle: ZS21-ARIN
RTechName:   Sailor DNSadmin
RTechPhone:  +1-410-545-6340 
RTechEmail:  dnsadmin@soc.lib.md.us
RTechRef:    https://rdap.arin.net/registry/entity/ZS21-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 1997-2026, American Registry for Internet Numbers, Ltd.
#
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
9 records found for '169.156.21.120'
Search for  
IP address lookups Miscellaneous queries
-l

1st level less specific

-i

Inverse attributes

-L

All less specific

-T

Object types

-m

1st level more specific

-M

All more specific

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

-d

Associated reverse domain

For more information see: