What is ASN AS399990?

ASN AS399990 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399990?

AS399990 is listed under NTT Global Data Centers Americas, INC..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS399990 NTT Global Data Centers Americas, INC.

ASN Lookup Tool

NTT Global Data Centers Americas, INC. global.ntt

US 1 Routes

AS Data

AS399990

AS399990 – NTT Global Data Centers Americas, INC.

AS Number	399990
AS Name	NTT-GLOBAL-DATA-CENTERS-AMERICA-INC
Organization	NTT Global Data Centers Americas, INC.(ngdca)
Country	US
Website	global.ntt
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-08-26

ASN Intelligence API for production workflows

Use ASN data for AS399990 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.41.130.0/24	AS399990	NTT Global Data Centers Americas, INC.	NTT Global Data Centers Americas, INC.	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:       399990
ASName:         NTT-GLOBAL-DATA-CENTERS-AMERICA-INC
ASHandle:       AS399990
RegDate:        2021-08-26
Updated:        2022-06-07    
Ref:            https://rdap.arin.net/registry/autnum/399990


OrgName:        NTT Global Data Centers Americas, INC.
OrgId:          NGDCA
Address:        1625 W. National Drive. Sacramento, CA
City:           Sacramento
StateProv:      CA
PostalCode:     95834
Country:        US
RegDate:        2020-04-28
Updated:        2020-07-22
Comment:        NOC: (916) 286-3000
Ref:            https://rdap.arin.net/registry/entity/NGDCA


OrgAbuseHandle: RAGIN3-ARIN
OrgAbuseName:   RAGIN1-ARIN
OrgAbusePhone:  +1-916-286-3000 
OrgAbuseEmail:  dca.network@global.ntt
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAGIN3-ARIN

OrgNOCHandle: RAGIN3-ARIN
OrgNOCName:   RAGIN1-ARIN
OrgNOCPhone:  +1-916-286-3000 
OrgNOCEmail:  dca.network@global.ntt
OrgNOCRef:    https://rdap.arin.net/registry/entity/RAGIN3-ARIN

OrgTechHandle: RAGIN3-ARIN
OrgTechName:   RAGIN1-ARIN
OrgTechPhone:  +1-916-286-3000 
OrgTechEmail:  dca.network@global.ntt
OrgTechRef:    https://rdap.arin.net/registry/entity/RAGIN3-ARIN

OrgDNSHandle: RAGIN3-ARIN
OrgDNSName:   RAGIN1-ARIN
OrgDNSPhone:  +1-916-286-3000 
OrgDNSEmail:  dca.network@global.ntt
OrgDNSRef:    https://rdap.arin.net/registry/entity/RAGIN3-ARIN

OrgRoutingHandle: RAGIN3-ARIN
OrgRoutingName:   RAGIN1-ARIN
OrgRoutingPhone:  +1-916-286-3000 
OrgRoutingEmail:  dca.network@global.ntt
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RAGIN3-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

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US