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/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 72.37.87.201"
#
# Use "?" to get help.
#

NetRange:       72.37.0.0 - 72.37.127.255
CIDR:           72.37.0.0/17
NetName:        UPRR-IPV4-03
NetHandle:      NET-72-37-0-0-1
Parent:         NET72 (NET-72-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Union Pacific Railroad Company (UPR-2)
RegDate:        2005-03-25
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/72.37.0.0


OrgName:        Union Pacific Railroad Company
OrgId:          UPR-2
Address:        1400 DOUGLAS ST
City:           OMAHA
StateProv:      NE
PostalCode:     68179
Country:        US
RegDate:        1993-07-12
Updated:        2022-11-21
Ref:            https://rdap.arin.net/registry/entity/UPR-2


OrgAbuseHandle: UPA4-ARIN
OrgAbuseName:   Union Pacific Abuse
OrgAbusePhone:  +1-402-544-4193 
OrgAbuseEmail:  abuse@uprr.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UPA4-ARIN

OrgNOCHandle: UPN-ARIN
OrgNOCName:   Union Pacific NOC
OrgNOCPhone:  +1-402-544-4193 
OrgNOCEmail:  noc@uprr.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/UPN-ARIN

OrgTechHandle: UPHT-ARIN
OrgTechName:   Union Pacific Hostmaster Tech
OrgTechPhone:  +1-402-544-4193 
OrgTechEmail:  tech@uprr.net
OrgTechRef:    https://rdap.arin.net/registry/entity/UPHT-ARIN

RTechHandle: UPHT-ARIN
RTechName:   Union Pacific Hostmaster Tech
RTechPhone:  +1-402-544-4193 
RTechEmail:  tech@uprr.net
RTechRef:    https://rdap.arin.net/registry/entity/UPHT-ARIN

RNOCHandle: UPN-ARIN
RNOCName:   Union Pacific NOC
RNOCPhone:  +1-402-544-4193 
RNOCEmail:  noc@uprr.net
RNOCRef:    https://rdap.arin.net/registry/entity/UPN-ARIN

RAbuseHandle: UPA4-ARIN
RAbuseName:   Union Pacific Abuse
RAbusePhone:  +1-402-544-4193 
RAbuseEmail:  abuse@uprr.net
RAbuseRef:    https://rdap.arin.net/registry/entity/UPA4-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.
#