172.4.128.72 WHOIS Lookup — Registration Info, Expiry, DNS

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Raw WHOIS Data

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# available at: https://www.arin.net/resources/registry/whois/tou/
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# 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 172.4.128.72"
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AT&T Enterprises, LLC SIS-80-8-2012 (NET-172-0-0-0-1) 172.0.0.0 - 172.15.255.255
Private Customer - AT&T Internet Services SBC-172-4-128-72-29-2206165949 (NET-172-4-128-72-1) 172.4.128.72 - 172.4.128.79



#
# 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.
#