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:       216.148.0.0 - 216.148.255.255
CIDR:           216.148.0.0/16
NetName:        CERFNET-BLK-4
NetHandle:      NET-216-148-0-0-1
Parent:         NET216 (NET-216-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   CERFnet (CERF)
RegDate:        1998-12-03
Updated:        2000-03-09
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref:            https://rdap.arin.net/registry/ip/216.148.0.0
OrgName:        CERFnet
OrgId:          CERF
Address:        5738 Pacific Center Blvd
City:           San Diego
StateProv:      CA
PostalCode:     92121
Country:        US
RegDate:        1989-04-18
Updated:        2022-02-08
Comment:        Contact AT&T Abuse (abuse@att.net) for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/entity/CERF
OrgNOCHandle: LEITM2-ARIN
OrgNOCName:   Leitmanova, Lucia 
OrgNOCPhone:  +421 2 332 25571   
OrgNOCEmail:  rm-ip_allocator@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN
OrgTechHandle: NETWO10-ARIN
OrgTechName:   Network Provisioning
OrgTechPhone:  +1-877-789-2877 
OrgTechEmail:  rm-mhops-ap@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN
OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN
OrgNOCHandle: DRU40-ARIN
OrgNOCName:   Rueegg, Daniel 
OrgNOCPhone:  +41 1 4957899 
OrgNOCEmail:  daniel.rueegg@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN
OrgAbuseHandle: NETWO10-ARIN
OrgAbuseName:   Network Provisioning
OrgAbusePhone:  +1-877-789-2877 
OrgAbuseEmail:  rm-mhops-ap@intl.att.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN
OrgRoutingHandle: LEITM2-ARIN
OrgRoutingName:   Leitmanova, Lucia 
OrgRoutingPhone:  +421 2 332 25571   
OrgRoutingEmail:  rm-ip_allocator@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN
OrgRoutingHandle: DRU40-ARIN
OrgRoutingName:   Rueegg, Daniel 
OrgRoutingPhone:  +41 1 4957899 
OrgRoutingEmail:  daniel.rueegg@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN
OrgTechHandle: LEITM2-ARIN
OrgTechName:   Leitmanova, Lucia 
OrgTechPhone:  +421 2 332 25571   
OrgTechEmail:  rm-ip_allocator@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN
OrgTechHandle: DRU40-ARIN
OrgTechName:   Rueegg, Daniel 
OrgTechPhone:  +41 1 4957899 
OrgTechEmail:  daniel.rueegg@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN
RTechHandle: CERF-HM-ARIN
RTechName:   ATand T Enhanced Network Services
RTechPhone:  +1-858-812-5000 
RTechEmail:  notify@attens.com
RTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-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.
14 records found for '216.148.0.72'
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: