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:       131.243.0.0 - 131.243.255.255
CIDR:           131.243.0.0/16
NetName:        LBL-IP-NET2
NetHandle:      NET-131-243-0-0-1
Parent:         NET131 (NET-131-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS16
Organization:   Lawrence Berkeley National Laboratory (LBNL)
RegDate:        1989-02-08
Updated:        2023-06-05
Comment:        Please direct SPAM queries to abuse@lbl.gov.
Comment:        Please direct ABUSE queries to security@lbl.gov.
Ref:            https://rdap.arin.net/registry/ip/131.243.0.0
OrgName:        Lawrence Berkeley National Laboratory
OrgId:          LBNL
Address:        One Cyclotron Road
City:           Berkeley
StateProv:      CA
PostalCode:     94720
Country:        US
RegDate:        
Updated:        2023-06-05
Comment:        Please direct SPAM related queries to spam@lbl.gov
Comment:        Please direct ABUSE related queries to cppm@lbl.gov
Ref:            https://rdap.arin.net/registry/entity/LBNL
OrgTechHandle: SIMON407-ARIN
OrgTechName:   Simon, Richard 
OrgTechPhone:  +1-510-486-5585 
OrgTechEmail:  rsimon@lbl.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SIMON407-ARIN
OrgAbuseHandle: CPP-ARIN
OrgAbuseName:   Computer Protection Program
OrgAbusePhone:  +1-510-486-7770 
OrgAbuseEmail:  security@lbl.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CPP-ARIN
OrgTechHandle: CAL3-ARIN
OrgTechName:   Leres, Craig A.
OrgTechPhone:  +1-510-486-7576 
OrgTechEmail:  hostmaster-arin-leres5@nsx.lbl.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/CAL3-ARIN
RTechHandle: SIMON407-ARIN
RTechName:   Simon, Richard 
RTechPhone:  +1-510-486-5585 
RTechEmail:  rsimon@lbl.gov
RTechRef:    https://rdap.arin.net/registry/entity/SIMON407-ARIN
RTechHandle: CAL3-ARIN
RTechName:   Leres, Craig A.
RTechPhone:  +1-510-486-7576 
RTechEmail:  hostmaster-arin-leres5@nsx.lbl.gov
RTechRef:    https://rdap.arin.net/registry/entity/CAL3-ARIN
RAbuseHandle: CPP-ARIN
RAbuseName:   Computer Protection Program
RAbusePhone:  +1-510-486-7770 
RAbuseEmail:  security@lbl.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/CPP-ARIN
RNOCHandle: STROM17-ARIN
RNOCName:   Stromsness, Rune 
RNOCPhone:  +1-510-486-5095 
RNOCEmail:  rstrom@lbl.gov
RNOCRef:    https://rdap.arin.net/registry/entity/STROM17-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.
11 records found for '131.243.211.19'
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: