
19512 LYONDELL, US
Adjacency: 8 Upstream: 8 Downstream: 0
Upstream Adjacent AS list
AS8220 COLT COLT Technology Services Group Limited, GB
AS399589 1111-SYSTEMS, US
AS3356 LEVEL3, US
AS3491 CONSOLE-CONNECT-ASN, US
AS9498 BBIL-AP BHARTI Airtel Ltd., IN
AS701 UUNET, US
AS702 UUNET, US
AS703 UUNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 15884 AS19512 ORIGIN Originate: 4608 /19.83 Transit: 0 /0.00 LYONDELL, 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 % 16112 AS19512 LYONDELL, US 18 4 2 16 2 11.11% Prefix AS Path Aggregation Suggestion 161.16.0.0/23 6939 3356 14127 399589 19512 19512 19512 19512 19512 + Announce - aggregate of 161.16.0.0/24 (6939 3356 14127 399589 19512 19512 19512 19512 19512) and 161.16.1.0/24 (6939 3356 14127 399589 19512 19512 19512 19512 19512) 161.16.0.0/24 6939 3356 14127 399589 19512 19512 19512 19512 19512 - Withdrawn - aggregated with 161.16.1.0/24 (6939 3356 14127 399589 19512 19512 19512 19512 19512) 161.16.1.0/24 6939 3356 14127 399589 19512 19512 19512 19512 19512 - Withdrawn - aggregated with 161.16.0.0/24 (6939 3356 14127 399589 19512 19512 19512 19512 19512) 165.249.0.0/24 293 3356 19512 19512 19512 19512 19512 165.249.1.0/24 7018 3356 19512 192.84.168.0/24 293 3491 19512 19512 19512 19512 19512 199.91.9.0/24 6939 9498 19512 19512 19512 19512 19512 199.91.10.0/24 6939 701 19512 19512 19512 19512 19512 19512 19512 19512 19512 199.91.11.0/24 6939 701 19512 19512 19512 19512 19512 199.91.13.0/24 7018 3356 19512 199.91.14.0/24 293 3356 19512 19512 19512 19512 19512 199.102.0.0/24 37100 8220 19512 19512 19512 19512 19512 199.102.1.0/24 3303 702 19512 19512 19512 19512 19512 199.102.2.0/23 6939 9498 19512 19512 19512 19512 19512 + Announce - aggregate of 199.102.2.0/24 (6939 9498 19512 19512 19512 19512 19512) and 199.102.3.0/24 (6939 9498 19512 19512 19512 19512 19512) 199.102.2.0/24 6939 9498 19512 19512 19512 19512 19512 - Withdrawn - aggregated with 199.102.3.0/24 (6939 9498 19512 19512 19512 19512 19512) 199.102.3.0/24 6939 9498 19512 19512 19512 19512 19512 - Withdrawn - aggregated with 199.102.2.0/24 (6939 9498 19512 19512 19512 19512 19512) 199.102.4.0/24 293 3491 19512 19512 19512 19512 19512 199.102.5.0/24 6939 703 19512 19512 19512 19512 19512 199.102.6.0/24 37100 8220 19512 19512 19512 19512 19512 199.102.7.0/24 3303 702 19512 19512 19512 19512 19512
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS19512 16 More Specifics 17 Total Advertisements LYONDELL, US
161.16.0.0/23 161.16.0.0/16
165.249.0.0/24 165.249.0.0/16
165.249.1.0/24 165.249.0.0/16
199.91.9.0/24 199.91.8.0/21
199.91.10.0/24 199.91.8.0/21
199.91.11.0/24 199.91.8.0/21
199.91.13.0/24 199.91.8.0/21
199.91.14.0/24 199.91.8.0/21
199.102.0.0/24 199.102.0.0/21
199.102.1.0/24 199.102.0.0/21
199.102.2.0/24 199.102.0.0/21
199.102.3.0/24 199.102.0.0/21
199.102.4.0/24 199.102.0.0/21
199.102.5.0/24 199.102.0.0/21
199.102.6.0/24 199.102.0.0/21
199.102.7.0/24 199.102.0.0/21
whois: 402590
IANA has recorded AS19512 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS19512\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# 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: 19512
ASName: LYONDELL
ASHandle: AS19512
RegDate: 2001-01-16
Updated: 2017-01-19
Ref: https://rdap.arin.net/registry/autnum/19512
OrgName: Lyondell Chemical Company
OrgId: LYONDE-3
Address: 1221 McKinney St
City: Houston
StateProv: TX
PostalCode: 77379
Country: US
RegDate: 2001-01-16
Updated: 2017-01-19
Ref: https://rdap.arin.net/registry/entity/LYONDE-3
OrgTechHandle: HUMLI-ARIN
OrgTechName: Humlicek, Robert
OrgTechPhone: +1-713-417-3675
OrgTechEmail: Robert.Humlicek@lyondellbasell.com
OrgTechRef: https://rdap.arin.net/registry/entity/HUMLI-ARIN
OrgNOCHandle: HUMLI-ARIN
OrgNOCName: Humlicek, Robert
OrgNOCPhone: +1-713-417-3675
OrgNOCEmail: Robert.Humlicek@lyondellbasell.com
OrgNOCRef: https://rdap.arin.net/registry/entity/HUMLI-ARIN
OrgAbuseHandle: HUMLI-ARIN
OrgAbuseName: Humlicek, Robert
OrgAbusePhone: +1-713-417-3675
OrgAbuseEmail: Robert.Humlicek@lyondellbasell.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/HUMLI-ARIN
RAbuseHandle: HUMLI-ARIN
RAbuseName: Humlicek, Robert
RAbusePhone: +1-713-417-3675
RAbuseEmail: Robert.Humlicek@lyondellbasell.com
RAbuseRef: https://rdap.arin.net/registry/entity/HUMLI-ARIN
RNOCHandle: HUMLI-ARIN
RNOCName: Humlicek, Robert
RNOCPhone: +1-713-417-3675
RNOCEmail: Robert.Humlicek@lyondellbasell.com
RNOCRef: https://rdap.arin.net/registry/entity/HUMLI-ARIN
RTechHandle: HUMLI-ARIN
RTechName: Humlicek, Robert
RTechPhone: +1-713-417-3675
RTechEmail: Robert.Humlicek@lyondellbasell.com
RTechRef: https://rdap.arin.net/registry/entity/HUMLI-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.
#