This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS1728 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS1728\n
#
# 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.
#
ASNumber: 1728
ASName: SRI-TPA-GW1
ASHandle: AS1728
RegDate: 1992-01-08
Updated: 1992-01-08
Ref: https://rdap.arin.net/registry/autnum/1728
OrgName: SRI-TPA-gw1
OrgId: SRITPA
Address: Sri International
Address: 324 South Hyde Park Avenue
Address: Suite #375
City: Tampa
StateProv: FL
PostalCode: 33606
Country: US
RegDate: 1992-01-08
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/SRITPA
OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: nobody@example.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-ARIN
OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: nobody@example.com
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-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.
#