ASN AS43545 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS43545?

AS43545 is listed under Datum Datacentres Limited.

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.

AS43545 Datum Datacentres Limited

Datum Datacentres Limited datum.co.uk

GB 20 Routes

AS Data

AS43545

AS43545 – Datum Datacentres Limited

AS Number	43545
AS Name	TELEDATA
Organization	Datum Datacentres Limited (org-ddl7-ripe)
Country	GB
Website	datum.co.uk
Number of IPv4 Routes	18
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2007-08-20

ASN Intelligence API for production workflows

Use ASN data for AS43545 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
78.40.151.0/24	AS43545	Datum Datacentres Limited	Datum Network APH Solutions	256
77.74.110.0/24	AS43545	Datum Datacentres Limited	Datum Network ASM	256
80.84.88.0/21	AS43545	Datum Datacentres Limited	Network infrastructure DATUM	2048
212.84.67.0/24	AS43545	Datum Datacentres Limited	1st Easy Limited	256
78.40.144.0/21	AS43545	Datum Datacentres Limited	Datum Network Manchester	2048
80.84.80.0/21	AS43545	Datum Datacentres Limited	Datum Datacentres Limited	2048
185.113.216.0/24	AS43545	Datum Datacentres Limited	TeleData UK Ltd Transit Network 2 185.113.216.0/24	256
212.84.73.0/24	AS43545	Datum Datacentres Limited	Whitefuse Limited	256
185.113.219.0/24	AS43545	Datum Datacentres Limited	TeleData UK Ltd Transit Network 2 185.113.219.0/24	256
212.84.69.0/24	AS43545	Datum Datacentres Limited	Roeville Computer Systems Ltd	256
2a02:24d0::/48	AS43545	Datum Datacentres Limited	Teledata IPV6 Infrastructure	~1×10²⁴
77.74.104.0/21	AS43545	Datum Datacentres Limited	Datum Network DS	2048
78.40.146.0/24	AS43545	Datum Datacentres Limited	Datum Network Cloud Geeni Limited	256
78.40.144.0/24	AS43545	Datum Datacentres Limited	Datum Network Manchester	256
80.84.72.0/21	AS43545	Datum Datacentres Limited	ISP Network, Manchester	2048
212.84.65.0/24	AS43545	Datum Datacentres Limited	1st Easy Limited	256
2a02:24d0::/32	AS43545	Datum Datacentres Limited	Teledata IPV6 Infrastructure	~79×10²⁷
80.84.64.0/21	AS43545	Datum Datacentres Limited	ISP Network, Stockport	2048
80.84.90.0/24	AS43545	Datum Datacentres Limited	Datum Datacentres Limited	256
78.40.150.0/24	AS43545	Datum Datacentres Limited	Datum Network Cantarus Ltd	256

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 'AS43075 - AS44168'

as-block:       AS43075 - AS44168
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:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

% Information related to 'AS43545'

% Abuse contact for 'AS43545' is 'DatumEngineering@datum.co.uk'

aut-num:        AS43545
as-name:        TELEDATA
org:            ORG-DDL7-RIPE
remarks:
remarks:        Transit Peering
remarks:        ________________________________________________________
remarks:        Cogent
mp-import:      afi ipv4.unicast from AS174 accept ANY AND NOT {0.0.0.0/0}
mp-export:      afi ipv4.unicast to AS174 announce AS-TELEDATAUK
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-TELEDATAUK
remarks:        GTT
mp-import:      afi ipv4.unicast from AS3257 accept ANY AND NOT {0.0.0.0/0}
mp-export:      afi ipv4.unicast to AS3257 announce AS-TELEDATAUK
mp-import:      afi ipv6.unicast from AS3257 accept ANY
mp-export:      afi ipv6.unicast to AS3257 announce AS-TELEDATAUK
remarks:        Level 3
mp-import:      afi ipv4.unicast from AS3356 accept ANY AND NOT {0.0.0.0/0}
mp-export:      afi ipv4.unicast to AS3356 announce AS-TELEDATAUK
mp-import:      afi ipv6.unicast from AS3356 accept ANY
mp-export:      afi ipv6.unicast to AS3356 announce AS-TELEDATAUK
remarks:        GlobalAXS
mp-import:      afi ipv4.unicast from AS9009 accept ANY AND NOT {0.0.0.0/0}
mp-export:      afi ipv4.unicast to AS9009 announce AS-TELEDATAUK
mp-import:      afi ipv6.unicast from AS9009 accept ANY
mp-export:      afi ipv6.unicast to AS9009 announce AS-TELEDATAUK
remarks:
remarks:        Customer Peering
remarks:        ________________________________________________________
remarks:        AS21177
mp-import:      afi ipv4.unicast from AS21177 accept AS21177
mp-export:      afi ipv4.unicast to AS21177 announce ANY
remarks:        AS49229
mp-import:      afi ipv4.unicast from AS49229 accept AS49229
mp-export:      afi ipv4.unicast to AS49229 announce ANY
remarks:        AS198382
mp-import:      afi ipv4.unicast from AS198382 accept AS198382
mp-export:      afi ipv4.unicast to AS198382 announce ANY
remarks:        AS207195
mp-import:      afi ipv4.unicast from AS207195 accept AS207195
mp-export:      afi ipv4.unicast to AS207195 announce ANY
remarks:        AS209082
mp-import:      afi ipv4.unicast from AS209082 accept AS209082
mp-export:      afi ipv4.unicast to AS209082 announce ANY
mp-import:      afi ipv6.unicast from AS209082 accept AS209082
mp-export:      afi ipv6.unicast to AS209082 announce ANY
remarks:
remarks:        Peering
remarks:        ________________________________________________________
remarks:        AS42 PCH
mp-import:      afi ipv4.unicast from AS42 accept AS-PCH
mp-export:      afi ipv4.unicast to AS42 announce AS-TELEDATAUK
remarks:        AS3856 PCH
mp-import:      afi ipv4.unicast from AS3856 accept AS-PCH
mp-export:      afi ipv4.unicast to AS3856 announce AS-TELEDATAUK
remarks:        AS13285 TALKTALK
mp-import:      afi ipv4.unicast from AS13285 accept AS-13285
mp-export:      afi ipv4.unicast to AS13285 announce AS-TELEDATAUK
remarks:        AS2818 BBC
mp-import:      afi ipv4.unicast from AS2818 accept AS-BBC
mp-export:      afi ipv4.unicast to AS2818 announce AS-TELEDATAUK
remarks:        AS20562 OPENPEERING
mp-import:      afi ipv4.unicast from AS20562 accept AS-20562
mp-export:      afi ipv4.unicast to AS20562 announce AS-TELEDATAUK
remarks:        AS42973
mp-import:      afi ipv4.unicast from AS42973 accept AS-METRONETUK
mp-export:      afi ipv4.unicast to AS42973 announce AS-TELEDATAUK
remarks:        AS5089 VIRGIN MEDIA
mp-import:      afi ipv4.unicast from AS5089 accept AS-NTLI
mp-export:      afi ipv4.unicast to AS5089 announce AS-TELEDATAUK
remarks:        AS6939 HURRICANE ELECTRIC
mp-import:      afi ipv4.unicast from AS6939 accept AS-HURRICANE
mp-export:      afi ipv4.unicast to AS6939 announce AS-TELEDATAUK
remarks:        AS8075 MICROSOFT
mp-import:      afi ipv4.unicast from AS8075 accept AS-8075
mp-export:      afi ipv4.unicast to AS8075 announce AS-TELEDATAUK
remarks:        AS8468 ENTA
mp-import:      afi ipv4.unicast from AS8468 accept AS-ENTANET
mp-export:      afi ipv4.unicast to AS8468 announce AS-TELEDATAUK
remarks:        AS8553 AVENSYS
mp-import:      afi ipv4.unicast from AS8553 accept AS-AVENSYS
mp-export:      afi ipv4.unicast to AS8553 announce AS-TELEDATAUK
remarks:        AS8586 OPAL
mp-import:      afi ipv4.unicast from AS8586 accept AS-OBSL
mp-export:      afi ipv4.unicast to AS8586 announce AS-TELEDATAUK
remarks:        AS15692 RAZORBLUE
mp-import:      afi ipv4.unicast from AS15692 accept AS15692
mp-export:      afi ipv4.unicast to AS15692 announce AS-TELEDATAUK
remarks:        AS21055 AXAMBA
mp-import:      afi ipv4.unicast from AS21055 accept AS-WEBTAPESTRY
mp-export:      afi ipv4.unicast to AS21055 announce AS-TELEDATAUK
remarks:        AS25376 NETNORTH
mp-import:      afi ipv4.unicast from AS25376 accept AS-NETNORTH
mp-export:      afi ipv4.unicast to AS25376 announce AS-TELEDATAUK
remarks:        AS34119 WILDCARD
mp-import:      afi ipv4.unicast from AS34119 accept AS-WILDCARD
mp-export:      afi ipv4.unicast to AS34119 announce AS-TELEDATAUK
remarks:        AS34555 CCS
mp-import:      afi ipv4.unicast from AS34555 accept AS-CCSLEEDS
mp-export:      afi ipv4.unicast to AS34555 announce AS-TELEDATAUK
remarks:        AS34660 IDAQ
mp-import:      afi ipv4.unicast from AS34660 accept AS-IDAQ
mp-export:      afi ipv4.unicast to AS34660 announce AS-TELEDATAUK
remarks:        AS34934 UKFAST
mp-import:      afi ipv4.unicast from AS34934 accept AS34934
mp-export:      afi ipv4.unicast to AS34934 announce AS-TELEDATAUK
remarks:        AS35425 BYTEMARK
mp-import:      afi ipv4.unicast from AS35425 accept AS-BYTEMARK
mp-export:      afi ipv4.unicast to AS35425 announce AS-TELEDATAUK
remarks:        AS39925 OPTINIUM
mp-import:      afi ipv4.unicast from AS39925 accept AS-OPTINIUM
mp-export:      afi ipv4.unicast to AS31523 announce AS-TELEDATAUK
remarks:        AS41230 ASK4
mp-import:      afi ipv4.unicast from AS41230 accept AS-ASK4
mp-export:      afi ipv4.unicast to AS41230 announce AS-TELEDATAUK
remarks:        AS42353 SIMWOOD
mp-import:      afi ipv4.unicast from AS42353 accept AS-SIMWOOD
mp-export:      afi ipv4.unicast to AS42353 announce AS-TELEDATAUK
remarks:        AS44948 LASTFM
mp-import:      afi ipv4.unicast from AS44948 accept AS44948
mp-export:      afi ipv4.unicast to AS44948 announce AS-TELEDATAUK
remarks:        AS47622 DATATECH
mp-import:      afi ipv4.unicast from AS47622 accept AS-DATATECHUK
mp-export:      afi ipv4.unicast to AS47622 announce AS-TELEDATAUK
admin-c:        DG7885-RIPE
tech-c:         DG7885-RIPE
status:         ASSIGNED
remarks:        Notify email
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DATUM-MNT
created:        2007-08-20T12:39:26Z
last-modified:  2026-10-22T14:22:54Z
source:         RIPE # Filtered

organisation:   ORG-DDL7-RIPE
org-name:       Datum Datacentres Limited
country:        GB
reg-nr:         07954217
org-type:       LIR
address:        A54 Cody Technology Park
address:        GU14 0LX
address:        Farnborough
address:        UNITED KINGDOM
phone:          +441784211100
fax-no:         +441784211200
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        DATUM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DATUM-MNT
admin-c:        DG7885-RIPE
abuse-c:        DACR1-RIPE
created:        2012-07-04T10:26:34Z
last-modified:  2026-05-13T07:34:20Z
source:         RIPE # Filtered

person:         Darren Green
address:        One London Road
address:        Staines
address:        Surrey TW18 4EX
phone:          +441784211124
nic-hdl:        DG7885-RIPE
mnt-by:         ATTENDA-MNT
created:        2012-11-13T09:51:31Z
last-modified:  2012-11-13T09:57:11Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS43075 - AS44168",
    "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" : "2023-12-11",
    "date_updated" : "2023-12-11",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS43545",
    "as_name" : "TELEDATA",
    "status" : "ASSIGNED",
    "mp_import" : [ "afi ipv4.unicast from AS174 accept ANY AND NOT {0.0.0.0/0}", "afi ipv6.unicast from AS174 accept ANY", "afi ipv4.unicast from AS3257 accept ANY AND NOT {0.0.0.0/0}", "afi ipv6.unicast from AS3257 accept ANY", "afi ipv4.unicast from AS3356 accept ANY AND NOT {0.0.0.0/0}", "afi ipv6.unicast from AS3356 accept ANY", "afi ipv4.unicast from AS9009 accept ANY AND NOT {0.0.0.0/0}", "afi ipv6.unicast from AS9009 accept ANY", "afi ipv4.unicast from AS21177 accept AS21177", "afi ipv4.unicast from AS49229 accept AS49229", "afi ipv4.unicast from AS198382 accept AS198382", "afi ipv4.unicast from AS207195 accept AS207195", "afi ipv4.unicast from AS209082 accept AS209082", "afi ipv6.unicast from AS209082 accept AS209082", "afi ipv4.unicast from AS42 accept AS-PCH", "afi ipv4.unicast from AS3856 accept AS-PCH", "afi ipv4.unicast from AS13285 accept AS-13285", "afi ipv4.unicast from AS2818 accept AS-BBC", "afi ipv4.unicast from AS20562 accept AS-20562", "afi ipv4.unicast from AS42973 accept AS-METRONETUK", "afi ipv4.unicast from AS5089 accept AS-NTLI", "afi ipv4.unicast from AS6939 accept AS-HURRICANE", "afi ipv4.unicast from AS8075 accept AS-8075", "afi ipv4.unicast from AS8468 accept AS-ENTANET", "afi ipv4.unicast from AS8553 accept AS-AVENSYS", "afi ipv4.unicast from AS8586 accept AS-OBSL", "afi ipv4.unicast from AS15692 accept AS15692", "afi ipv4.unicast from AS21055 accept AS-WEBTAPESTRY", "afi ipv4.unicast from AS25376 accept AS-NETNORTH", "afi ipv4.unicast from AS34119 accept AS-WILDCARD", "afi ipv4.unicast from AS34555 accept AS-CCSLEEDS", "afi ipv4.unicast from AS34660 accept AS-IDAQ", "afi ipv4.unicast from AS34934 accept AS34934", "afi ipv4.unicast from AS35425 accept AS-BYTEMARK", "afi ipv4.unicast from AS39925 accept AS-OPTINIUM", "afi ipv4.unicast from AS41230 accept AS-ASK4", "afi ipv4.unicast from AS42353 accept AS-SIMWOOD", "afi ipv4.unicast from AS44948 accept AS44948", "afi ipv4.unicast from AS47622 accept AS-DATATECHUK" ],
    "mp_export" : [ "afi ipv4.unicast to AS174 announce AS-TELEDATAUK", "afi ipv6.unicast to AS174 announce AS-TELEDATAUK", "afi ipv4.unicast to AS3257 announce AS-TELEDATAUK", "afi ipv6.unicast to AS3257 announce AS-TELEDATAUK", "afi ipv4.unicast to AS3356 announce AS-TELEDATAUK", "afi ipv6.unicast to AS3356 announce AS-TELEDATAUK", "afi ipv4.unicast to AS9009 announce AS-TELEDATAUK", "afi ipv6.unicast to AS9009 announce AS-TELEDATAUK", "afi ipv4.unicast to AS21177 announce ANY", "afi ipv4.unicast to AS49229 announce ANY", "afi ipv4.unicast to AS198382 announce ANY", "afi ipv4.unicast to AS207195 announce ANY", "afi ipv4.unicast to AS209082 announce ANY", "afi ipv6.unicast to AS209082 announce ANY", "afi ipv4.unicast to AS42 announce AS-TELEDATAUK", "afi ipv4.unicast to AS3856 announce AS-TELEDATAUK", "afi ipv4.unicast to AS13285 announce AS-TELEDATAUK", "afi ipv4.unicast to AS2818 announce AS-TELEDATAUK", "afi ipv4.unicast to AS20562 announce AS-TELEDATAUK", "afi ipv4.unicast to AS42973 announce AS-TELEDATAUK", "afi ipv4.unicast to AS5089 announce AS-TELEDATAUK", "afi ipv4.unicast to AS6939 announce AS-TELEDATAUK", "afi ipv4.unicast to AS8075 announce AS-TELEDATAUK", "afi ipv4.unicast to AS8468 announce AS-TELEDATAUK", "afi ipv4.unicast to AS8553 announce AS-TELEDATAUK", "afi ipv4.unicast to AS8586 announce AS-TELEDATAUK", "afi ipv4.unicast to AS15692 announce AS-TELEDATAUK", "afi ipv4.unicast to AS21055 announce AS-TELEDATAUK", "afi ipv4.unicast to AS25376 announce AS-TELEDATAUK", "afi ipv4.unicast to AS34119 announce AS-TELEDATAUK", "afi ipv4.unicast to AS34555 announce AS-TELEDATAUK", "afi ipv4.unicast to AS34660 announce AS-TELEDATAUK", "afi ipv4.unicast to AS34934 announce AS-TELEDATAUK", "afi ipv4.unicast to AS35425 announce AS-TELEDATAUK", "afi ipv4.unicast to AS31523 announce AS-TELEDATAUK", "afi ipv4.unicast to AS41230 announce AS-TELEDATAUK", "afi ipv4.unicast to AS42353 announce AS-TELEDATAUK", "afi ipv4.unicast to AS44948 announce AS-TELEDATAUK", "afi ipv4.unicast to AS47622 announce AS-TELEDATAUK" ],
    "organization" : "ORG-DDL7-RIPE",
    "admin_contacts" : [ "DG7885-RIPE" ],
    "tech_contacts" : [ "DG7885-RIPE" ],
    "remarks" : [ "Transit Peering", "________________________________________________________", "Cogent", "GTT", "Level 3", "GlobalAXS", "Customer Peering", "________________________________________________________", "AS21177", "AS49229", "AS198382", "AS207195", "AS209082", "Peering", "________________________________________________________", "AS42 PCH", "AS3856 PCH", "AS13285 TALKTALK", "AS2818 BBC", "AS20562 OPENPEERING", "AS42973", "AS5089 VIRGIN MEDIA", "AS6939 HURRICANE ELECTRIC", "AS8075 MICROSOFT", "AS8468 ENTA", "AS8553 AVENSYS", "AS8586 OPAL", "AS15692 RAZORBLUE", "AS21055 AXAMBA", "AS25376 NETNORTH", "AS34119 WILDCARD", "AS34555 CCS", "AS34660 IDAQ", "AS34934 UKFAST", "AS35425 BYTEMARK", "AS39925 OPTINIUM", "AS41230 ASK4", "AS42353 SIMWOOD", "AS44948 LASTFM", "AS47622 DATATECH", "Notify email" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "DATUM-MNT" ],
    "date_created" : "2007-08-20",
    "date_updated" : "2026-10-22",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-DDL7-RIPE",
    "name" : "Datum Datacentres Limited",
    "type" : "LIR",
    "address" : [ "A54 Cody Technology Park", "GU14 0LX", "Farnborough", "UNITED KINGDOM" ],
    "street" : "Cody Technology Park",
    "city" : "Farnborough",
    "zip_code" : "GU14 0LX",
    "country" : [ "GB" ],
    "phone" : [ "+441784211100" ],
    "fax_no" : [ "+441784211200" ],
    "admin_contacts" : [ "DG7885-RIPE" ],
    "abuse_contacts" : [ "DACR1-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "DATUM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "DATUM-MNT" ],
    "date_created" : "2012-07-04",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "DG7885-RIPE",
    "name" : "Darren Green",
    "address" : [ "One London Road", "Staines", "Surrey TW18 4EX" ],
    "street" : "London Road",
    "city" : "Staines",
    "district" : "Surrey",
    "zip_code" : "TW18 4EX",
    "phone" : [ "+441784211124" ],
    "mnt_by" : [ "ATTENDA-MNT" ],
    "date_created" : "2012-11-13",
    "date_updated" : "2012-11-13",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "DG7885-RIPE",
    "name" : "Darren Green",
    "address" : [ "One London Road", "Staines", "Surrey TW18 4EX" ],
    "street" : "London Road",
    "city" : "Staines",
    "district" : "Surrey",
    "zip_code" : "TW18 4EX",
    "phone" : [ "+441784211124" ],
    "mnt_by" : [ "ATTENDA-MNT" ],
    "date_created" : "2012-11-13",
    "date_updated" : "2012-11-13",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS28792	Public Internet Ltd	GB
AS39925	RIPE Network Coordination Centre	NL
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	US
AS53779	Bomgar Corporation	US
AS21055	RIPE Network Coordination Centre	NL
AS2818	BBC	GB
AS5089	Virgin Media Limited	GB
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS35425	Iomart Managed Services Limited	GB
AS3856	Packet Clearing House, Inc.	US
AS3170	VeloxServ Communications Ltd	GB
AS207195	Intelligent Exchanges Limited	GB
AS208035	Venom IT Ltd	GB
AS6461	Zayo Bandwidth	US
AS13237	euNetworks GmbH	DE
AS49229	ANS Group Limited	GB
AS59410	Barritel Ltd	GB
AS41811	CONVERGENCE GROUP NETWORKS LIMITED	GB
AS31523	RIPE Network Coordination Centre	NL
AS8553	Avensys Networks Ltd	GB
AS8801	Rocket Fibre Ltd	GB
AS8075	Microsoft Corporation	US
AS8468	Cityfibre Limited	GB
AS25376	RIPE Network Coordination Centre	NL
AS44948	Kevin Buehl	DE
AS209082	Swlines Ltd	GB
AS3257	GTT Communications Inc.	US
AS24482	SG.GS	SG
AS51048	WIFINITY LIMITED	GB
AS42973	Convergence Group Wireless Networks Limited	GB
AS8586	TalkTalk Communications Limited	GB
AS47622	Chillishot Ltd	GB
AS36236	NetActuate, Inc	US
AS4455	IX Reach Ltd	GB
AS15692	Razorblue Ltd	GB
AS34555	C.C.S. Leeds Ltd	GB
AS61049	Exascale Ltd	GB
AS48070	DSM GB Limited	GB
AS21177	RIPE Network Coordination Centre	NL
AS34119	Wildcard UK Limited	GB
AS41230	ASK4 Limited	GB
AS13285	TalkTalk Communications Limited	GB
AS202359	AS207960 Cyfyngedig	GB
AS9002	RETN Limited	GB
AS42353	Simwood eSMS Limited	GB
AS34934	ANS ACADEMY LIMITED	GB
AS198382	Datum Datacentres Limited	GB
AS174	Cogent Communications, LLC	US
AS42	WoodyNet, Inc.	US
AS20562	Broadband Hosting B.V.	NL
AS34660	Roebuck Group Limited	GB
AS3356	Level 3 Parent, LLC	US
AS9009	M247 Europe SRL	RO

Upstreams

AS Number	Description	Country
AS51048	WIFINITY LIMITED	GB
AS9002	RETN Limited	GB
AS4455	IX Reach Ltd	GB
AS6939	Hurricane Electric LLC	US
AS61049	Exascale Ltd	GB
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS174	Cogent Communications, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS59410	Barritel Ltd	GB
AS53779	Bomgar Corporation	US
AS208035	Venom IT Ltd	GB

ASN Lookup Tool

ASN Summary