
6404 FACTSET - FactSet Research Systems, Inc., US
Adjacency: 10 Upstream: 10 Downstream: 0
Upstream Adjacent AS list
AS63927 RISE-HK - RISE, HK
AS5580 GTT-ASIA - GTT Communications Netherlands B.V., NL
AS46887 CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK
AS701 UUNET - Verizon Business, US
AS8220 COLT - COLT Technology Services Group Limited, GB
AS9299 IPG-AS-AP - Philippine Long Distance Telephone Company, PH
AS15830 Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 21339 AS6404 ORIGIN Originate: 2816 /20.54 Transit: 0 /0.00 FACTSET - FactSet Research Systems, Inc., 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 % 31324 AS6404 FACTSET - FactSet Research Systems, Inc., US 10 0 0 10 0 0.00%
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS6404 10 More Specifics 10 Total Advertisements FACTSET - FactSet Research Systems, Inc., US
64.209.89.0/24 64.209.0.0/17
164.55.242.0/24 164.55.240.0/20
164.55.245.0/24 164.55.240.0/20
164.55.246.0/24 164.55.240.0/20
164.55.248.0/24 164.55.240.0/20
164.55.249.0/24 164.55.240.0/20
164.55.250.0/24 164.55.240.0/20
164.55.251.0/24 164.55.240.0/20
164.55.252.0/23 164.55.240.0/20
164.55.254.0/24 164.55.240.0/20
whois: 402609
IANA has recorded AS6404 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS6404\n
#
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# available at: https://www.arin.net/resources/registry/whois/tou/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 6404
ASName: FACTSET
ASHandle: AS6404
RegDate: 1996-04-02
Updated: 2006-10-20
Ref: https://rdap.arin.net/registry/autnum/6404
OrgName: FactSet Research Systems, Inc.
OrgId: FRS-9
Address: 601 Merritt 7
City: Norwalk
StateProv: CT
PostalCode: 06851
Country: US
RegDate: 1996-04-02
Updated: 2023-11-29
Ref: https://rdap.arin.net/registry/entity/FRS-9
OrgAbuseHandle: VANAM3-ARIN
OrgAbuseName: Vanam, Sreekanth
OrgAbusePhone: +914042988888
OrgAbuseEmail: svanam@factset.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/VANAM3-ARIN
OrgTechHandle: VANAM3-ARIN
OrgTechName: Vanam, Sreekanth
OrgTechPhone: +914042988888
OrgTechEmail: svanam@factset.com
OrgTechRef: https://rdap.arin.net/registry/entity/VANAM3-ARIN
OrgNOCHandle: VANAM3-ARIN
OrgNOCName: Vanam, Sreekanth
OrgNOCPhone: +914042988888
OrgNOCEmail: svanam@factset.com
OrgNOCRef: https://rdap.arin.net/registry/entity/VANAM3-ARIN
OrgTechHandle: AYB1-ARIN
OrgTechName: Bohara, Alefiya Yunus
OrgTechPhone: +441452915914
OrgTechEmail: alefiya.bohara@factset.com
OrgTechRef: https://rdap.arin.net/registry/entity/AYB1-ARIN
OrgTechHandle: VKS-ARIN
OrgTechName: Sapavat, Vinod Kumar
OrgTechPhone: +1-203-810-1000
OrgTechEmail: vinodkumar.sapavat@factset.com
OrgTechRef: https://rdap.arin.net/registry/entity/VKS-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.
#