ASN AS3949 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS3949?

AS3949 is listed under NTT America, 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?

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AS3949 NTT America, Inc. | IPGeolocation.io

NTT America, Inc. ntt.net

US 89 Routes

AS Data

AS3949

AS3949 – NTT America, Inc.

AS Number	3949
AS Name	NTTA-3946
Organization	NTT America, Inc. (nttam-1)
Country	US
Website	ntt.net
Number of IPv4 Routes	88
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2001-01-31

ASN Intelligence API for production workflows

Use ASN data for AS3949 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.123.72.0/22	AS3949	NTT America, Inc.	SIA BITE Latvija	1024
204.2.167.0/24	AS3949	NTT America, Inc.	NTT DATA	256
166.88.43.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
202.68.74.112/28	AS3949	NTT America, Inc.	NTT Australia Solutions Pty Ltd	16
131.103.136.0/23	AS3949	NTT America, Inc.	Rutilance Networks, LLC	512
202.68.66.76/30	AS3949	NTT America, Inc.	NTT Australia Solutions Pty Ltd	4
128.121.0.0/22	AS3949	NTT America, Inc.	Rutilance Networks, LLC	1024
80.174.156.0/22	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	1024
204.2.171.0/24	AS3949	NTT America, Inc.	NTT DATA	256
171.22.145.0/24	AS3949	NTT America, Inc.	Nintendo of Europe SE	256
45.149.225.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
205.132.18.0/24	AS3949	NTT America, Inc.	Health Management Systems Inc.	256
148.182.9.0/24	AS3949	NTT America, Inc.	NTT Australia Pty Ltd	256
165.254.29.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
23.27.229.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
80.174.221.0/24	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	256
128.121.44.0/23	AS3949	NTT America, Inc.	NTT America, Inc.	512
136.0.49.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
193.28.148.0/24	AS3949	NTT America, Inc.	PaymentPass Inc.	256
148.182.16.0/24	AS3949	NTT America, Inc.	NTT Australia Pty Ltd	256
23.27.212.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
202.68.79.128/25	AS3949	NTT America, Inc.	FNZ	128
83.231.161.8/29	AS3949	NTT America, Inc.	Verio UK london facility	8
148.182.26.0/24	AS3949	NTT America, Inc.	NTT Australia Pty Ltd	256
165.254.56.0/24	AS3949	NTT America, Inc.	Rutilance Networks, LLC	256
80.96.148.0/23	AS3949	NTT America, Inc.	Teen Telecom SRL	512
81.93.189.64/29	AS3949	NTT America, Inc.	NTT United Kingdom Ltd	8
217.24.68.0/22	AS3949	NTT America, Inc.	NTT America, Inc.	1024
165.254.34.0/23	AS3949	NTT America, Inc.	Rutilance Networks, LLC	512
130.94.192.0/23	AS3949	NTT America, Inc.	Rutilance Networks, LLC	512
103.13.83.152/29	AS3949	NTT America, Inc.	NTT Australia	8
131.103.118.0/23	AS3949	NTT America, Inc.	NTT DATA	512
103.13.83.160/29	AS3949	NTT America, Inc.	NTT Australia	8
128.242.88.0/22	AS3949	NTT America, Inc.	Rutilance Networks, LLC	1024
204.2.176.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
202.68.68.0/26	AS3949	NTT America, Inc.	NTT Australia Solutions Pty Ltd	64
204.0.0.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
23.27.213.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
205.132.17.0/24	AS3949	NTT America, Inc.	Health Management Systems Inc.	256
206.54.52.0/29	AS3949	NTT America, Inc.	ASM Front End Mfg Singapore Pte. Ltd.	8
165.254.31.0/24	AS3949	NTT America, Inc.	Rutilance Networks, LLC	256
207.71.84.0/22	AS3949	NTT America, Inc.	MS Host	1024
45.149.226.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
136.0.62.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
80.174.217.0/24	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	256
204.2.186.0/24	AS3949	NTT America, Inc.	NTT America, Inc.	256
2407:a800:3e11::/48	AS3949	NTT America, Inc.	MINISTRY OF DEFENSE	~1×10²⁴
128.121.36.0/23	AS3949	NTT America, Inc.	NTT America, Inc.	512
205.132.16.0/21	AS3949	NTT America, Inc.	Health Management Systems Inc.	2048
185.243.129.0/24	AS3949	NTT America, Inc.	Nintendo of Europe SE	256
165.254.54.0/24	AS3949	NTT America, Inc.	Rutilance Networks, LLC	256
80.174.220.0/24	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	256
136.0.69.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
131.103.28.0/23	AS3949	NTT America, Inc.	NTT DATA	512
157.238.212.0/22	AS3949	NTT America, Inc.	NTT DATA	1024
142.111.167.0/24	AS3949	NTT America, Inc.	Cyberzone S.A	256
128.241.36.0/22	AS3949	NTT America, Inc.	NTT America, Inc.	1024
80.174.216.0/24	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	256
130.94.240.0/22	AS3949	NTT America, Inc.	Rutilance Networks, LLC	1024
80.174.218.0/24	AS3949	NTT America, Inc.	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	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:       3946 - 3949
ASName:         NTTA-3946
ASHandle:       AS3946
RegDate:        2001-01-31
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/3946


OrgName:        NTT America, Inc.
OrgId:          NTTAM-1
Address:        15809 Bear Creek Pkwy
Address:        Suite 320
City:           Redmond
StateProv:      WA
PostalCode:     98052
Country:        US
RegDate:        2005-12-08
Updated:        2024-03-04
Ref:            https://rdap.arin.net/registry/entity/NTTAM-1

ReferralServer:  rwhois://rwhois.gin.ntt.net:4321

OrgRoutingHandle: PEERI-ARIN
OrgRoutingName:   Peering
OrgRoutingPhone:  +1-877-688-6625 
OrgRoutingEmail:  peering@ntt.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PEERI-ARIN

OrgNOCHandle: NASC-ARIN
OrgNOCName:   NTT America Support Contact
OrgNOCPhone:  +1-877-688-6625 
OrgNOCEmail:  ce-support@gin.ntt.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NASC-ARIN

OrgTechHandle: CANDE70-ARIN
OrgTechName:   Candela, Massimo 
OrgTechPhone:  +1-214-915-1366 
OrgTechEmail:  massimo@ntt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/CANDE70-ARIN

OrgTechHandle: VIPAR-ARIN
OrgTechName:   VIPAR
OrgTechPhone:  +1-877-688-6625 
OrgTechEmail:  ipr@gin.ntt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/VIPAR-ARIN

OrgAbuseHandle: NAAC-ARIN
OrgAbuseName:   NTT America Abuse Contact
OrgAbusePhone:  +1-877-688-6625 
OrgAbuseEmail:  abuse@ntt.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAAC-ARIN

RTechHandle: VIA4-ORG-ARIN
RTechName:   VIPAR
RTechPhone:  +1-877-688-6625 
RTechEmail:  ipr@gin.ntt.net
RTechRef:    https://rdap.arin.net/registry/entity/VIA4-ORG-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "3946 - 3949",
    "as_handle" : "AS3946",
    "as_name" : "NTTA-3946",
    "tech_contacts" : [ "PEERI-ARIN", "CANDE70-ARIN", "VIPAR-ARIN", "VIA4-ORG-ARIN" ],
    "abuse_contacts" : [ "NAAC-ARIN" ],
    "date_created" : "2001-01-31",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/3946"
  } ],
  "organization" : {
    "handle" : "NTTAM-1",
    "name" : "NTT America, Inc.",
    "address" : [ "15809 Bear Creek Pkwy", "Suite 320", "Redmond", "WA", "98052", "US" ],
    "street" : "Bear Creek Pkwy",
    "city" : "Redmond",
    "state" : "WA",
    "zip_code" : "98052",
    "country" : [ "US" ],
    "date_created" : "2005-12-08",
    "date_updated" : "2024-03-04",
    "source" : "https://rdap.arin.net/registry/entity/NTTAM-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "PEERI-ARIN",
    "name" : "Peering",
    "email" : [ "peering@ntt.net" ],
    "phone" : [ "+1-877-688-6625" ],
    "source" : "https://rdap.arin.net/registry/entity/PEERI-ARIN"
  }, {
    "handle" : "CANDE70-ARIN",
    "name" : "Candela, Massimo",
    "email" : [ "massimo@ntt.net" ],
    "phone" : [ "+1-214-915-1366" ],
    "source" : "https://rdap.arin.net/registry/entity/CANDE70-ARIN"
  }, {
    "handle" : "VIPAR-ARIN",
    "name" : "VIPAR",
    "email" : [ "ipr@gin.ntt.net" ],
    "phone" : [ "+1-877-688-6625" ],
    "source" : "https://rdap.arin.net/registry/entity/VIPAR-ARIN"
  }, {
    "handle" : "VIA4-ORG-ARIN",
    "name" : "VIPAR",
    "email" : [ "ipr@gin.ntt.net" ],
    "phone" : [ "+1-877-688-6625" ],
    "source" : "https://rdap.arin.net/registry/entity/VIA4-ORG-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NAAC-ARIN",
    "name" : "NTT America Abuse Contact",
    "email" : [ "abuse@ntt.net" ],
    "phone" : [ "+1-877-688-6625" ],
    "source" : "https://rdap.arin.net/registry/entity/NAAC-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS2914	NTT America, Inc.	US

Upstreams

AS Number	Description	Country
AS2914	NTT America, Inc.	US

Contacts

Email Contacts

ipr@gin.ntt.net massimo@ntt.net peering@ntt.net

Abuse Contacts

abuse@ntt.net

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