Every name.
A world behind it.

#
# 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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 143.58.44.36"
#
# Use "?" to get help.
#

NetRange:       143.58.0.0 - 143.58.63.255
CIDR:           143.58.0.0/18
NetName:        MBRM-NET
NetHandle:      NET-143-58-0-0-1
Parent:         NET143 (NET-143-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Mayer Brown LLP (MBRML)
RegDate:        1990-03-26
Updated:        2022-04-06
Ref:            https://rdap.arin.net/registry/ip/143.58.0.0


OrgName:        Mayer Brown LLP
OrgId:          MBRML
Address:        71 S. Wacker
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        2006-01-12
Updated:        2016-07-12
Ref:            https://rdap.arin.net/registry/entity/MBRML


OrgAbuseHandle: MCS7-ARIN
OrgAbuseName:   Sherman, Michael C
OrgAbusePhone:  +1-312-701-8315 
OrgAbuseEmail:  msherman@mayerbrown.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCS7-ARIN

OrgTechHandle: MCS7-ARIN
OrgTechName:   Sherman, Michael C
OrgTechPhone:  +1-312-701-8315 
OrgTechEmail:  msherman@mayerbrown.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MCS7-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.
#