1311 BARRA-NET-AS - Barra International, LLC, US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 18983 AS1311 ORIGIN Originate: 3328 /20.30 Transit: 0 /0.00 BARRA-NET-AS - Barra International, LLC, 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 % 9582 AS1311 BARRA-NET-AS - Barra International, LLC, US 12 6 2 8 4 33.33% Prefix AS Path Aggregation Suggestion 144.203.128.0/23 4777 2497 6461 1311 1311 144.203.128.0/23 4777 2497 6461 1311 + Announce - aggregate of 144.203.128.0/24 (4777 2497 6461 1311) and 144.203.129.0/24 (4777 2497 6461 1311) 144.203.128.0/24 4777 2497 6461 1311 - Withdrawn - aggregated with 144.203.129.0/24 (4777 2497 6461 1311) 144.203.129.0/24 4777 2497 6461 1311 - Withdrawn - aggregated with 144.203.128.0/24 (4777 2497 6461 1311) 144.203.130.0/24 4777 2497 6461 1311 144.203.131.0/24 4777 2516 3356 1311 1311 1311 144.203.132.0/24 4777 2497 6461 1311 144.203.133.0/24 4777 2516 3356 1311 144.203.140.0/22 4777 32787 1311 + Announce - aggregate of 144.203.140.0/23 (4777 32787 1311) and 144.203.142.0/23 (4777 32787 1311) 144.203.140.0/24 4777 32787 1311 - Withdrawn - aggregated with 144.203.141.0/24 (4777 32787 1311) 144.203.141.0/24 4777 32787 1311 - Withdrawn - aggregated with 144.203.140.0/24 (4777 32787 1311) 144.203.142.0/24 4777 32787 1311 - Withdrawn - aggregated with 144.203.143.0/24 (4777 32787 1311) 144.203.143.0/24 4777 32787 1311 - Withdrawn - aggregated with 144.203.142.0/24 (4777 32787 1311) 193.164.145.0/24 4777 2497 6461 1311
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS1311 11 More Specifics 12 Total Advertisements BARRA-NET-AS - Barra International, LLC, US
144.203.128.0/23 144.203.0.0/16
144.203.128.0/24 144.203.0.0/16
144.203.129.0/24 144.203.0.0/16
144.203.130.0/24 144.203.0.0/16
144.203.131.0/24 144.203.0.0/16
144.203.132.0/24 144.203.0.0/16
144.203.133.0/24 144.203.0.0/16
144.203.140.0/24 144.203.0.0/16
144.203.141.0/24 144.203.0.0/16
144.203.142.0/24 144.203.0.0/16
144.203.143.0/24 144.203.0.0/16
whois: 402609
IANA has recorded AS1311 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS1311\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: 1311
ASName: BARRA-NET-AS
ASHandle: AS1311
RegDate: 1991-07-19
Updated: 2024-02-14
Ref: https://rdap.arin.net/registry/autnum/1311
OrgName: Barra International, LLC
OrgId: BARRA-Z
Address: 2100 Milvia Street
City: Berkeley
StateProv: CA
PostalCode: 94704
Country: US
RegDate: 2024-01-22
Updated: 2024-02-06
Ref: https://rdap.arin.net/registry/entity/BARRA-Z
OrgAbuseHandle: MBI42-ARIN
OrgAbuseName: MSCI Barra Internetadmin
OrgAbusePhone: +1-212-804-3900
OrgAbuseEmail: internetadmin@msci.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MBI42-ARIN
OrgAbuseHandle: KOROS2-ARIN
OrgAbuseName: korosztos, gabor
OrgAbusePhone: +8812503
OrgAbuseEmail: gabor.korosztos@msci.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/KOROS2-ARIN
OrgDNSHandle: KOROS2-ARIN
OrgDNSName: korosztos, gabor
OrgDNSPhone: +8812503
OrgDNSEmail: gabor.korosztos@msci.com
OrgDNSRef: https://rdap.arin.net/registry/entity/KOROS2-ARIN
OrgRoutingHandle: KOROS2-ARIN
OrgRoutingName: korosztos, gabor
OrgRoutingPhone: +8812503
OrgRoutingEmail: gabor.korosztos@msci.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/KOROS2-ARIN
OrgTechHandle: KOROS2-ARIN
OrgTechName: korosztos, gabor
OrgTechPhone: +8812503
OrgTechEmail: gabor.korosztos@msci.com
OrgTechRef: https://rdap.arin.net/registry/entity/KOROS2-ARIN
OrgNOCHandle: KOROS2-ARIN
OrgNOCName: korosztos, gabor
OrgNOCPhone: +8812503
OrgNOCEmail: gabor.korosztos@msci.com
OrgNOCRef: https://rdap.arin.net/registry/entity/KOROS2-ARIN
OrgTechHandle: MBI43-ARIN
OrgTechName: MSCI Barra Internetadmin
OrgTechPhone: +1-212-804-3900
OrgTechEmail: internetadmin@msci.com
OrgTechRef: https://rdap.arin.net/registry/entity/MBI43-ARIN
OrgNOCHandle: MBI43-ARIN
OrgNOCName: MSCI Barra Internetadmin
OrgNOCPhone: +1-212-804-3900
OrgNOCEmail: internetadmin@msci.com
OrgNOCRef: https://rdap.arin.net/registry/entity/MBI43-ARIN
RTechHandle: MBI43-ARIN
RTechName: MSCI Barra Internetadmin
RTechPhone: +1-212-804-3900
RTechEmail: internetadmin@msci.com
RTechRef: https://rdap.arin.net/registry/entity/MBI43-ARIN
RNOCHandle: MBI43-ARIN
RNOCName: MSCI Barra Internetadmin
RNOCPhone: +1-212-804-3900
RNOCEmail: internetadmin@msci.com
RNOCRef: https://rdap.arin.net/registry/entity/MBI43-ARIN
RAbuseHandle: MBI42-ARIN
RAbuseName: MSCI Barra Internetadmin
RAbusePhone: +1-212-804-3900
RAbuseEmail: internetadmin@msci.com
RAbuseRef: https://rdap.arin.net/registry/entity/MBI42-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.
#