ASN Lookup Tool

Barra International, LLC msci.com US US 12 Routes

AS Data

AS1311

AS1311 – Barra International, LLC

AS Number 1311
AS Name BARRA-NET-AS
Organization Barra International, LLC(barra-z)
Country US
Website msci.com
Number of IPv4 Routes 12
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 1991-07-19

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IP Ranges

Route # IPs
144.203.140.0/24 256
144.203.142.0/24 256
144.203.128.0/24 256
144.203.141.0/24 256
144.203.130.0/24 256
144.203.129.0/24 256
144.203.143.0/24 256
193.164.145.0/24 256
144.203.131.0/24 256
144.203.132.0/24 256

Raw Whois Response

#
# 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:       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


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

OrgTechHandle: KOROS2-ARIN
OrgTechName:   korosztos, gabor 
OrgTechPhone:  +8812503 
OrgTechEmail:  gabor.korosztos@msci.com
OrgTechRef:    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

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

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

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

OrgNOCHandle: KOROS2-ARIN
OrgNOCName:   korosztos, gabor 
OrgNOCPhone:  +8812503 
OrgNOCEmail:  gabor.korosztos@msci.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/KOROS2-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

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

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


#
# 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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US
AS32787 Akamai Technologies, Inc. US

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US
AS32787 Akamai Technologies, Inc. US

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Frequently Asked Questions

ASN AS1311 is an Autonomous System Number used to identify a network for BGP internet routing.
AS1311 is listed under Barra International, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.