IPv4 Network

161.129.72.0/24

🇺🇸 Owner: FIRSTUP · ARIN

161.129.72.0/24 is registered to FIRSTUP (US) via ARIN. Look up the owning organisation and its other IPv4 networks.

Network161.129.72.0/24
OrganisationFIRSTUP
Registry🇺🇸 ARIN (US)
All networks of this org → Transfers via ARIN →
Raw WHOIS data 
#
# 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.
#



# start

NetRange:       161.129.72.0 - 161.129.72.255
CIDR:           161.129.72.0/24
NetName:        FIRSTUP
NetHandle:      NET-161-129-72-0-1
Parent:         NET161 (NET-161-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Firstup, Inc. (FIRST-598)
RegDate:        2018-06-12
Updated:        2024-03-21
Ref:            https://rdap.arin.net/registry/ip/161.129.72.0


OrgName:        Firstup, Inc.
OrgId:          FIRST-598
Address:        548 Market St
Address:        PMB 265021
City:           San Francisco
StateProv:      CA
PostalCode:     94104
Country:        US
RegDate:        2023-12-20
Updated:        2026-06-18
Ref:            https://rdap.arin.net/registry/entity/FIRST-598


OrgAbuseHandle: NEC14-ARIN
OrgAbuseName:   Network Engineer Contact
OrgAbusePhone:  +1-650-440-4805 
OrgAbuseEmail:  neteng-contact@firstup.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NEC14-ARIN

OrgTechHandle: NEC14-ARIN
OrgTechName:   Network Engineer Contact
OrgTechPhone:  +1-650-440-4805 
OrgTechEmail:  neteng-contact@firstup.io
OrgTechRef:    https://rdap.arin.net/registry/entity/NEC14-ARIN

OrgNOCHandle: NEC14-ARIN
OrgNOCName:   Network Engineer Contact
OrgNOCPhone:  +1-650-440-4805 
OrgNOCEmail:  neteng-contact@firstup.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/NEC14-ARIN

# end



#
# 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.
#

Looking to buy, sell or lease IPv4 space? Talk to the DCXV IPv4 broker.