ASN AS51043 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51043?

AS51043 is listed under Aspire Technology Solutions Ltd.

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.

AS51043 Aspire Technology Solutions Ltd

Aspire Technology Solutions Ltd aspirets.com

GB 22 Routes

AS Data

AS51043

AS51043 – Aspire Technology Solutions Ltd

AS Number	51043
AS Name	ASPIRE01
Organization	Aspire Technology Solutions Ltd (org-atsl4-ripe)
Country	GB
Website	aspirets.com
Number of IPv4 Routes	21
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-05-21

ASN Intelligence API for production workflows

Use ASN data for AS51043 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
77.73.9.0/24	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	256
212.36.127.0/24	AS51043	Aspire Technology Solutions Ltd	1A Networks Limited	256
185.151.227.0/24	AS51043	Aspire Technology Solutions Ltd	IT Systems & Support Limited	256
185.151.224.0/24	AS51043	Aspire Technology Solutions Ltd	IT Systems & Support Limited	256
185.59.180.0/22	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	1024
178.23.128.0/21	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	2048
194.247.49.0/24	AS51043	Aspire Technology Solutions Ltd	Collingwood Business Solutions Limited	256
45.88.98.0/24	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	256
83.98.32.0/19	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	8192
82.197.74.0/24	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	256
193.161.11.0/24	AS51043	Aspire Technology Solutions Ltd	HP Networks Ltd	256
109.207.16.0/21	AS51043	Aspire Technology Solutions Ltd	Roke Manor Research Limited	2048
194.238.80.0/20	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	4096
193.161.8.0/24	AS51043	Aspire Technology Solutions Ltd	HP Networks Ltd	256
185.151.226.0/24	AS51043	Aspire Technology Solutions Ltd	IT Systems & Support Limited	256
148.253.160.0/19	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	8192
2a00:ed40::/32	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	~79×10²⁷
185.173.67.0/24	AS51043	Aspire Technology Solutions Ltd	Aspire Technology Solutions Ltd	256
5.22.136.0/21	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	2048
77.73.12.0/24	AS51043	Aspire Technology Solutions Ltd	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
212.47.86.0/23	AS51043	Aspire Technology Solutions Ltd	ISP	512
159.242.64.0/18	AS51043	Aspire Technology Solutions Ltd	ISP Customer Connection	16384

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS50893 - AS51311'

as-block:       AS50893 - AS51311
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-12-10T14:54:30Z
last-modified:  2024-12-10T14:54:30Z
source:         RIPE

% Information related to 'AS51043'

% Abuse contact for 'AS51043' is 'abuse@aspirets.com'

aut-num:        AS51043
descr:          Aspire Technology Solutions
as-name:        ASPIRE01
org:            ORG-ATSL4-RIPE
admin-c:        CF1987-RIPE
tech-c:         CF1987-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ASPIRETS
import:         from AS174 accept ANY
import:         from AS1299 accept ANY
import:         from AS3257 accept ANY
import:         from AS2914 accept ANY
import:         from AS203185 accept AS203185
import:         from AS205389 accept AS205389
import:         from AS204945 accept AS204945
import:         from AS201528 accept AS201528
import:         from AS15636 accept AS15636
import:         from AS208636 accept AS208636
import:         from AS207925 accept AS207925
import:         from AS205654 accept AS205654
import:         from AS208118 accept AS208118
import:         from AS216207 accept AS216207
import:         from AS215742 accept AS215742
export:         to AS3257 announce AS-ASPIRE
export:         to AS174 announce AS-ASPIRE
export:         to AS1299 announce AS-ASPIRE
export:         to AS3257 announce AS-ASPIRE
export:         to AS2914 announce AS-ASPIRE
export:         to AS205389 announce ANY
export:         to AS203185 announce ANY
export:         to AS204945 announce ANY
export:         to AS201528 announce ANY
export:         to AS15636 announce ANY
export:         to AS208636 announce ANY
export:         to AS207925 announce ANY
export:         to AS205654 announce ANY
export:         to AS208118 announce ANY
export:         to AS216207 announce ANY
export:         to AS215742 announce ANY
mp-import:      afi ipv6.unicast from AS43531 accept ANY
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-import:      afi ipv6.unicast from AS3257 accept ANY
mp-import:      afi ipv6.unicast from AS2914 accept ANY
mp-import:      afi ipv6.unicast from AS202939 accept AS202939
mp-import:      afi ipv6.unicast from AS205389 accept AS205389
mp-import:      afi ipv6.unicast from AS204945 accept AS204945
mp-import:      afi ipv6.unicast from AS201528 accept AS201528
mp-import:      afi ipv6.unicast from AS207925 accept AS207925
mp-import:      afi ipv6.unicast from AS205654 accept AS205654
mp-import:      afi ipv6.unicast from AS208118 accept AS208118
mp-import:      afi ipv6.unicast from AS216207 accept AS216207
mp-export:      afi ipv6.unicast to AS43531 announce AS-ASPIRE
mp-export:      afi ipv6.unicast to AS174 announce AS-ASPIRE
mp-export:      afi ipv6.unicast to AS1299 announce AS-ASPIRE
mp-export:      afi ipv6.unicast to AS3257 announce AS-ASPIRE
mp-export:      afi ipv6.unicast to AS2914 announce AS-ASPIRE
mp-export:      afi ipv6.unicast to AS204945 announce ANY
mp-export:      afi ipv6.unicast to AS202939 announce ANY
mp-export:      afi ipv6.unicast to AS205389 announce ANY
mp-export:      afi ipv6.unicast to AS201528 announce ANY
mp-export:      afi ipv6.unicast to AS207925 announce ANY
mp-export:      afi ipv6.unicast to AS205654 announce ANY
mp-export:      afi ipv6.unicast to AS208118 announce ANY
mp-export:      afi ipv6.unicast to AS216207 announce ANY
created:        2010-05-21T11:25:21Z
last-modified:  2024-12-13T10:38:23Z
source:         RIPE # Filtered

organisation:   ORG-ATSL4-RIPE
org-name:       Aspire Technology Solutions Ltd
country:        GB
reg-nr:         06031628
org-type:       LIR
address:        Pipewell Quay
                Pipewellgate
address:        NE8 2BJ
address:        Gateshead
address:        UNITED KINGDOM
phone:          +443301242700
fax-no:         +448456439204
mnt-ref:        MNT-ASPIRETS
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ASPIRETS
abuse-c:        AS2007
created:        2010-04-07T12:02:39Z
last-modified:  2026-05-13T07:33:05Z
source:         RIPE # Filtered

person:         Chris Fraser
address:        Heworth Hall
address:        Shields Road
address:        Gateshead
address:        NE10 0UX
address:        England
mnt-by:         MNT-ASPIRETS
phone:          +448436459200
nic-hdl:        CF1987-RIPE
created:        2010-04-14T12:49:59Z
last-modified:  2013-06-07T10:51:36Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.123 (ABERDEEN)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS50893 - AS51311",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2024-12-10",
    "date_updated" : "2024-12-10",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51043",
    "as_name" : "ASPIRE01",
    "description" : [ "Aspire Technology Solutions" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS174 accept ANY", "from AS1299 accept ANY", "from AS3257 accept ANY", "from AS2914 accept ANY", "from AS203185 accept AS203185", "from AS205389 accept AS205389", "from AS204945 accept AS204945", "from AS201528 accept AS201528", "from AS15636 accept AS15636", "from AS208636 accept AS208636", "from AS207925 accept AS207925", "from AS205654 accept AS205654", "from AS208118 accept AS208118", "from AS216207 accept AS216207", "from AS215742 accept AS215742" ],
    "mp_import" : [ "afi ipv6.unicast from AS43531 accept ANY", "afi ipv6.unicast from AS174 accept ANY", "afi ipv6.unicast from AS1299 accept ANY", "afi ipv6.unicast from AS3257 accept ANY", "afi ipv6.unicast from AS2914 accept ANY", "afi ipv6.unicast from AS202939 accept AS202939", "afi ipv6.unicast from AS205389 accept AS205389", "afi ipv6.unicast from AS204945 accept AS204945", "afi ipv6.unicast from AS201528 accept AS201528", "afi ipv6.unicast from AS207925 accept AS207925", "afi ipv6.unicast from AS205654 accept AS205654", "afi ipv6.unicast from AS208118 accept AS208118", "afi ipv6.unicast from AS216207 accept AS216207" ],
    "export" : [ "to AS3257 announce AS-ASPIRE", "to AS174 announce AS-ASPIRE", "to AS1299 announce AS-ASPIRE", "to AS3257 announce AS-ASPIRE", "to AS2914 announce AS-ASPIRE", "to AS205389 announce ANY", "to AS203185 announce ANY", "to AS204945 announce ANY", "to AS201528 announce ANY", "to AS15636 announce ANY", "to AS208636 announce ANY", "to AS207925 announce ANY", "to AS205654 announce ANY", "to AS208118 announce ANY", "to AS216207 announce ANY", "to AS215742 announce ANY" ],
    "mp_export" : [ "afi ipv6.unicast to AS43531 announce AS-ASPIRE", "afi ipv6.unicast to AS174 announce AS-ASPIRE", "afi ipv6.unicast to AS1299 announce AS-ASPIRE", "afi ipv6.unicast to AS3257 announce AS-ASPIRE", "afi ipv6.unicast to AS2914 announce AS-ASPIRE", "afi ipv6.unicast to AS204945 announce ANY", "afi ipv6.unicast to AS202939 announce ANY", "afi ipv6.unicast to AS205389 announce ANY", "afi ipv6.unicast to AS201528 announce ANY", "afi ipv6.unicast to AS207925 announce ANY", "afi ipv6.unicast to AS205654 announce ANY", "afi ipv6.unicast to AS208118 announce ANY", "afi ipv6.unicast to AS216207 announce ANY" ],
    "organization" : "ORG-ATSL4-RIPE",
    "admin_contacts" : [ "CF1987-RIPE" ],
    "tech_contacts" : [ "CF1987-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-ASPIRETS" ],
    "date_created" : "2010-05-21",
    "date_updated" : "2024-12-13",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ATSL4-RIPE",
    "name" : "Aspire Technology Solutions Ltd",
    "type" : "LIR",
    "address" : [ "Pipewell Quay", "Pipewellgate", "NE8 2BJ", "Gateshead", "UNITED KINGDOM" ],
    "street" : "Pipewell Quay Pipewellgate",
    "city" : "Gateshead",
    "zip_code" : "NE8 2BJ",
    "country" : [ "GB" ],
    "phone" : [ "+443301242700" ],
    "fax_no" : [ "+448456439204" ],
    "abuse_contacts" : [ "AS2007" ],
    "mnt_ref" : [ "MNT-ASPIRETS", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-ASPIRETS" ],
    "date_created" : "2010-04-07",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "CF1987-RIPE",
    "name" : "Chris Fraser",
    "address" : [ "Heworth Hall", "Shields Road", "Gateshead", "NE10 0UX", "England" ],
    "street" : "Shields Road",
    "city" : "Gateshead",
    "state" : "ENGLAND",
    "zip_code" : "NE10 0UX",
    "phone" : [ "+448436459200" ],
    "mnt_by" : [ "MNT-ASPIRETS" ],
    "date_created" : "2010-04-14",
    "date_updated" : "2013-06-07",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CF1987-RIPE",
    "name" : "Chris Fraser",
    "address" : [ "Heworth Hall", "Shields Road", "Gateshead", "NE10 0UX", "England" ],
    "street" : "Shields Road",
    "city" : "Gateshead",
    "state" : "ENGLAND",
    "zip_code" : "NE10 0UX",
    "phone" : [ "+448436459200" ],
    "mnt_by" : [ "MNT-ASPIRETS" ],
    "date_created" : "2010-04-14",
    "date_updated" : "2013-06-07",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS214749	James Cahill	GB
AS215742	Duplia Ltd	GB
AS12552	GlobalConnect AB	SE
AS28792	Public Internet Ltd	GB
AS51907	Kanton Zug	CH
AS212815	Dyjix SAS	FR
AS35266	EX Networks Limited	GB
AS60602	Inovare-Prim SRL	MD
AS38880	Micron21 Datacentre Pty Ltd	AU
AS214420	Conor Lewis	GB
AS14537	Continent 8 LLC	US
AS15636	Collingwood Business Solutions Limited	GB
AS198150	SIACOM JSC	GE
AS6908	Six Degrees Technology Group Limited	GB
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS4657	StarHub Ltd	SG
AS37468	Angola Cables	AO
AS47957	Worldline IGSA SA	FR
AS34288	Kantonsschule Zug	CH
AS37497	Network Platforms PTY LTD	ZA
AS6461	Zayo Bandwidth	US
AS203185	PEBBLETREE LTD	GB
AS53062	GGNET TELECOMUNICACOES LTDA	BR
AS206735	Novelcomm LP	GR
AS398465	Rackdog, LLC	US
AS3216	PJSC "Vimpelcom"	RU
AS13237	euNetworks GmbH	DE
AS14840	BR.Digital Telecom	BR
AS15412	Flag Telecom UK Limited	GB
AS32590	Valve Corporation	US
AS12735	TurkNet Iletisim Hizmetleri A.S.	TR
AS205389	Zoom Internet Ltd	GB
AS8801	Rocket Fibre Ltd	GB
AS204945	Celebrus Technologies plc	GB
AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	BR
AS42473	ANEXIA Internetdienstleistungs GmbH	AT
AS1031	PEER 1031 LLC	US
AS1828	Unitas Global	US
AS1299	Arelion Sweden AB	SE
AS999	CORIX NETWORKS	US
AS4849	S3 Company Ltd	BG
AS211358	Patrizio Palumbo	IT
AS3257	GTT Communications Inc.	US
AS37497	Network Platforms (PTY) LTD	ZA
AS8426	Claranet Limited	GB
AS207089	IT Systems & Support Limited	GB
AS38158	PT. Cyberindo Aditama	ID
AS37282	Main one Cable Company Nigeria Limited	NG
AS5413	Wavenet Limited	GB
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	RS
AS202076	Fibre Networks (Scotland) Limited	GB
AS263152	MIGO TELECOM	BR
AS12741	Netia SA	PL
AS45701	PT. Internet Madju Abad Milenindo	ID
AS14630	Invesco Group Services, Inc.	US
AS60171	AFR-IX TELECOM S.A.	ES
AS34177	Celeste SAS	FR
AS31742	Sota Solutions Ltd.	GB
AS37680	Cool Ideas Service Provider Pty Ltd	ZA
AS52025	ParadoxNetworks Limited	GB

Upstreams

AS Number	Description	Country
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	RS
AS12552	GlobalConnect AB	SE
AS7195	EDGEUNO S.A.S	CO
AS34927	iFog GmbH	CH
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS25091	IP Max SA	CH
AS6204	ZET.NET IP Transit	RO
AS48362	Stadtwerke Feldkirch	AT
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS2914	NTT America, Inc.	US
AS33891	Core Backbone GmbH	DE
AS34177	Celeste SAS	FR
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU
AS60171	AFR IX TELECOM S.A.	ES
AS15802	Emirates Integrated Telecommunications Company PJSC	AE
AS4455	IX Reach Ltd	GB
AS8218	operated Upstreamnet gmbh	FR
AS37497	Network Platforms PTY LTD	ZA
AS6461	Zayo Bandwidth	US
AS3216	PJSC Vimpelcom	RU
AS14840	BR.Digital Telecom	BR
AS9002	RETN Limited	GB
AS29075	IELO LIAZO SERVICES SAS	FR
AS50304	Blix Solutions AS	NO
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS1267	WIND TRE S.P.A.	IT
AS5405	Inter.link GmbH	DE
AS174	Cogent Communications, LLC	US
AS41327	Fiber Telecom S.p.A.	IT
AS3214	xTom GmbH	DE
AS3741	NTT DATA Inc, Infrastructure Solutions, CORE, MEA	ZA
AS12779	IT.Gate S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS7575	Australian Academic and Research Network	AU
AS1299	Arelion Sweden AB	SE
AS20562	Broadband Hosting B.V.	NL
AS9009	M247 Europe SRL	RO
AS215638	Cilix Limited	GB
AS9044	BSE Software GmbH	CH
AS5713	SAIX NET	ZA
AS137409	GSL Networks Pty LTD	AU
AS34549	meerfarbig GmbH & Co. KG	DE
AS37282	Main one Cable Company Nigeria Limited	NG

Downstreams

AS Number	Description	Country
AS216207	Newcastle City Council	GB
AS207925	Squirrel Internet Ltd	GB
AS208118	N.I Technology Ltd.	GB
AS201528	Orchid Cellmark Ltd	GB
AS205389	Zoom Internet Ltd	GB
AS207089	IT Systems & Support Limited	GB
AS203185	PEBBLETREE LTD	GB

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