
18964 AHSSSCI, US
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS33363 BHN-33363, US
AS15830 EQUINIX, NL
AS7018 ATT-INTERNET4, US
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
AS3356 LEVEL3, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6359 AS18964 ORIGIN Originate: 23296 /17.49 Transit: 0 /0.00 AHSSSCI, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 8620 AS18964 AHSSSCI, US 13 6 1 8 5 38.46% Prefix AS Path Aggregation Suggestion 204.139.64.0/18 7018 18964 204.139.64.0/24 7018 18964 - Withdrawn - matching aggregate 204.139.64.0/18 7018 18964 204.139.66.0/24 7018 18964 - Withdrawn - matching aggregate 204.139.64.0/18 7018 18964 204.139.67.0/24 7018 18964 - Withdrawn - matching aggregate 204.139.64.0/18 7018 18964 204.139.84.0/23 2497 32787 18964 + Announce - aggregate of 204.139.84.0/24 (2497 32787 18964) and 204.139.85.0/24 (2497 32787 18964) 204.139.84.0/24 2497 32787 18964 - Withdrawn - aggregated with 204.139.85.0/24 (2497 32787 18964) 204.139.85.0/24 2497 32787 18964 - Withdrawn - aggregated with 204.139.84.0/24 (2497 32787 18964) 204.139.87.0/24 7018 18964 - Withdrawn - matching aggregate 204.139.64.0/18 7018 18964 204.139.88.0/24 2497 32787 18964 204.139.96.0/24 57866 3356 18964 18964 18964 18964 204.139.101.0/24 3257 15830 18964 204.139.102.0/24 3257 15830 18964 204.156.96.0/20 7018 18964 204.156.120.0/24 7018 18964
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18964 9 More Specifics 12 Total Advertisements AHSSSCI, US
204.139.64.0/24 204.139.64.0/18
204.139.65.0/24 204.139.64.0/18
204.139.67.0/24 204.139.64.0/18
204.139.84.0/24 204.139.64.0/18
204.139.85.0/24 204.139.64.0/18
204.139.87.0/24 204.139.64.0/18
204.139.88.0/24 204.139.64.0/18
204.139.96.0/24 204.139.64.0/18
204.139.112.0/24 204.139.64.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 204.139.65.0/24 Announced
whois: 402603
IANA has recorded AS18964 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18964\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 18964
ASName: AHSSSCI
ASHandle: AS18964
RegDate: 2000-11-02
Updated: 2023-01-09
Ref: https://rdap.arin.net/registry/autnum/18964
OrgName: Adventist Health System Sunbelt Healthcare Corporation
OrgId: AHSS
Address: 111 N. Orlando Ave
City: Orlando
StateProv: FL
PostalCode: 99999
Country: US
RegDate: 2000-11-02
Updated: 2023-02-10
Ref: https://rdap.arin.net/registry/entity/AHSS
OrgRoutingHandle: KNICK12-ARIN
OrgRoutingName: Knickerbocker, David
OrgRoutingPhone: +1-407-543-5004
OrgRoutingEmail: david.knickerbocker@adventhealth.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
OrgNOCHandle: ENNIO-ARIN
OrgNOCName: Ennion, Bill
OrgNOCPhone: +1-407-341-0023
OrgNOCEmail: Bill.Ennion@adventhealth.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
OrgTechHandle: ENNIO-ARIN
OrgTechName: Ennion, Bill
OrgTechPhone: +1-407-341-0023
OrgTechEmail: Bill.Ennion@adventhealth.com
OrgTechRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
OrgAbuseHandle: KNICK12-ARIN
OrgAbuseName: Knickerbocker, David
OrgAbusePhone: +1-407-543-5004
OrgAbuseEmail: david.knickerbocker@adventhealth.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
OrgTechHandle: KNICK12-ARIN
OrgTechName: Knickerbocker, David
OrgTechPhone: +1-407-543-5004
OrgTechEmail: david.knickerbocker@adventhealth.com
OrgTechRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
OrgAbuseHandle: ENNIO-ARIN
OrgAbuseName: Ennion, Bill
OrgAbusePhone: +1-407-341-0023
OrgAbuseEmail: Bill.Ennion@adventhealth.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
OrgDNSHandle: ENNIO-ARIN
OrgDNSName: Ennion, Bill
OrgDNSPhone: +1-407-341-0023
OrgDNSEmail: Bill.Ennion@adventhealth.com
OrgDNSRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
OrgRoutingHandle: ENNIO-ARIN
OrgRoutingName: Ennion, Bill
OrgRoutingPhone: +1-407-341-0023
OrgRoutingEmail: Bill.Ennion@adventhealth.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
OrgDNSHandle: KNICK12-ARIN
OrgDNSName: Knickerbocker, David
OrgDNSPhone: +1-407-543-5004
OrgDNSEmail: david.knickerbocker@adventhealth.com
OrgDNSRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
OrgTechHandle: LEZCA3-ARIN
OrgTechName: Lezcano, Melissa
OrgTechPhone: +1-407-303-5600
OrgTechEmail: melissa.lezcano@adventhealth.com
OrgTechRef: https://rdap.arin.net/registry/entity/LEZCA3-ARIN
RAbuseHandle: KNICK12-ARIN
RAbuseName: Knickerbocker, David
RAbusePhone: +1-407-543-5004
RAbuseEmail: david.knickerbocker@adventhealth.com
RAbuseRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
RNOCHandle: KNICK12-ARIN
RNOCName: Knickerbocker, David
RNOCPhone: +1-407-543-5004
RNOCEmail: david.knickerbocker@adventhealth.com
RNOCRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
RTechHandle: KNICK12-ARIN
RTechName: Knickerbocker, David
RTechPhone: +1-407-543-5004
RTechEmail: david.knickerbocker@adventhealth.com
RTechRef: https://rdap.arin.net/registry/entity/KNICK12-ARIN
RTechHandle: ENNIO-ARIN
RTechName: Ennion, Bill
RTechPhone: +1-407-341-0023
RTechEmail: Bill.Ennion@adventhealth.com
RTechRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
RNOCHandle: ENNIO-ARIN
RNOCName: Ennion, Bill
RNOCPhone: +1-407-341-0023
RNOCEmail: Bill.Ennion@adventhealth.com
RNOCRef: https://rdap.arin.net/registry/entity/ENNIO-ARIN
RAbuseHandle: ENNIO-ARIN
RAbuseName: Ennion, Bill
RAbusePhone: +1-407-341-0023
RAbuseEmail: Bill.Ennion@adventhealth.com
RAbuseRef: https://rdap.arin.net/registry/entity/ENNIO-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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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