ASN Lookup Tool

NetScout Systems, Inc. netscout.com US US 173 Routes

AS Data

AS19905

AS19905 – NetScout Systems, Inc.

AS Number 19905
AS Name ARBORCLOUD
Organization NetScout Systems, Inc. (ns-807)
Country US
Website netscout.com
Number of IPv4 Routes 144
Number of IPv6 Routes 27
ASN type HOSTING
Registry ARIN
Date Allocated 2007-08-24

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Use ASN data for AS19905 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
213.5.173.0/24 256
184.185.28.0/24 256
2610:a1:2007::/48 ~1×10²⁴
156.154.178.0/24 256
156.154.246.0/24 256
95.140.160.0/24 256
2610:a1:2016::/48 ~1×10²⁴
91.102.233.0/24 256
2001:67c:3e9::/48 ~1×10²⁴
194.69.42.0/24 256
146.88.242.0/24 256
156.154.118.0/24 256
5.36.169.0/24 256
156.137.195.0/24 256
156.154.213.0/24 256
2610:a1:200b::/48 ~1×10²⁴
199.7.64.0/24 256
5.37.183.0/24 256
217.169.195.0/24 256
2620:1d6:fffd::/48 ~1×10²⁴
2610:a1:2004::/48 ~1×10²⁴
91.102.236.0/24 256
83.111.28.0/24 256
156.154.231.0/24 256
2610:a1:2000::/48 ~1×10²⁴
156.154.163.0/24 256
156.154.210.0/24 256
178.249.176.0/24 256
156.154.228.0/24 256
204.138.241.0/24 256
146.88.246.0/24 256
156.137.1.0/24 256
165.72.190.0/24 256
193.19.90.0/24 256
217.173.88.0/24 256
156.154.222.0/24 256
193.19.91.0/24 256
156.154.229.0/24 256
217.173.92.0/23 512
156.154.162.0/24 256
146.88.245.0/24 256
156.154.230.0/24 256
156.154.221.0/24 256
139.104.72.0/21 2048
156.154.240.0/24 256
209.10.184.0/24 256
156.154.219.0/24 256
156.154.238.0/24 256
185.148.151.0/24 256
37.224.77.0/24 256
2620:1d6:fff3::/48 ~1×10²⁴
156.154.217.0/24 256
2610:a1:200c::/48 ~1×10²⁴
156.154.242.0/24 256
217.169.196.0/24 256
156.154.212.0/24 256
156.154.247.0/24 256
74.115.30.0/24 256
2610:a1:2003::/48 ~1×10²⁴
91.102.239.0/24 256

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:       19905
ASName:         ARBORCLOUD
ASHandle:       AS19905
RegDate:        2007-08-24
Updated:        2026-07-20
Ref:            https://rdap.arin.net/registry/autnum/19905


OrgName:        Arbor Cloud
OrgId:          NS-807
Address:        310 Littleton Rd.
City:           Westford
StateProv:      MA
PostalCode:     01886
Country:        US
RegDate:        2026-06-08
Updated:        2026-08-12
Ref:            https://rdap.arin.net/registry/entity/NS-807


OrgTechHandle: ACA199-ARIN
OrgTechName:   Arbor Cloud Administrator
OrgTechPhone:  +1-734-794-5031 
OrgTechEmail:  arin-arborc@netscout.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ACA199-ARIN

OrgAbuseHandle: ACA199-ARIN
OrgAbuseName:   Arbor Cloud Administrator
OrgAbusePhone:  +1-734-794-5031 
OrgAbuseEmail:  arin-arborc@netscout.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ACA199-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
AS34156 DB Systel GmbH DE
AS46434 MUFG Securities Americas Inc. US
AS26380 MasterCard Technologies LLC US
AS14555 LiquidNet US LLC US
AS286 GTT Communications Inc. US
AS133847 Anpple Tech Enterprise MY
AS22356 Durand do Brasil Ltda BR
AS35704 ITZBund DE
AS4230 CLARO S.A. BR
AS19305 Transaction Network Services, Inc. US
AS36544 BWIN.PARTY ENTERTAINMENT NJ , LLC US
AS210243 PXP Accept GmbH AT
AS209924 MLB Limited IE
AS4637 Telstra International Limited HK
AS6461 Zayo Bandwidth US
AS20577 TRADEWEB EUROPE LIMITED GB
AS394439 BMC Software, Inc. US
AS24806 INTERNET CZ, a.s. CZ
AS19524 Fifth Third Bank, National Association US
AS27386 PSEG Long Island LLC US
AS26496 GoDaddy.com, LLC US
AS13008 Entain Services Austria GmbH AT
AS203366 BMC Software Ireland Limited IE
AS208902 Valero Energy Ltd GB
AS42223 LLC MARS GE
AS47448 Entain Corporate Services Limited GI
AS3257 GTT Communications Inc. US
AS15625 ING Bank N.V. NL
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS11313 Fannie Mae US
AS22894 Network Information Center México MX
AS16839 SERVICENOW, INC. US
AS2914 NTT America, Inc. US
AS20773 Host Europe GmbH DE
AS203571 Delta Bet D.O.O.E.L Skopje MK
AS14738 Digi Key Corporation US
AS260 GTT Americas, LLC US
AS13688 Public Service Enterprise Group US
AS199883 Aruba S.p.A. IT
AS54697 EverBank, N.A. US
AS28126 BRISANET SERVICOS DE TELECOMUNICACOES S.A BR
AS31446 Entain Services Austria GmbH AT
AS59807 Swedbank AB SE
AS201461 Entain Services Austria GmbH AT
AS12956 TELXIUS Cable ES
AS9051 IncoNet Data Management sal LB
AS21110 Entain Corporate Services Limited GI
AS26848 Principal Financial Group, Inc. US
AS262250 Direccion Nacional de Contrataciones Publicas PY
AS10584 TradeWeb, LLC US
AS20311 Valero Corporate Services US
AS397688 BWIN.PARTY ENTERTAINMENT NJ , LLC US

Upstreams

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS260 GTT Americas, LLC US
AS12956 TELXIUS Cable ES
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS4637 Telstra International Limited HK
AS2914 NTT America, Inc. US
AS6461 Zayo Bandwidth US

Downstreams

AS Number Description Country
AS34156 DB Systel GmbH DE
AS46434 MUFG Securities Americas Inc. US
AS11313 Fannie Mae US
AS26380 MasterCard Technologies LLC US
AS22894 Network Information Center México MX
AS133847 Anpple Tech Enterprise MY
AS22356 Durand do Brasil Ltda BR
AS35704 ITZBund DE
AS203571 Delta Bet D.O.O.E.L Skopje MK
AS19305 Transaction Network Services, Inc. US

Legacy Routes

46.184.42.0/24 46.184.21.0/24 46.184.45.0/24 46.184.41.0/24 65.162.73.0/24 156.154.64.0/24 46.184.0.0/24 199.186.28.0/24 217.169.207.0/24 46.184.22.0/24 46.184.43.0/24 188.248.72.0/24 204.74.110.0/24

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Frequently Asked Questions

ASN AS19905 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19905 is listed under NetScout Systems, Inc..
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.