ASN AS30900 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS30900?

AS30900 is listed under Sternforth Ltd. trading as WebWorld.

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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AS30900 Sternforth Ltd. trading as WebWorld

Sternforth Ltd. trading as WebWorld webworld.ie

IE 36 Routes

AS Data

AS30900

AS30900 – Sternforth Ltd. trading as WebWorld

AS Number	30900
AS Name	WEBWORLD-AS
Organization	Sternforth Ltd. trading as WebWorld (org-sl7-ripe)
Country	IE
Website	webworld.ie
Number of IPv4 Routes	34
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2004-01-08

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Use ASN data for AS30900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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 'AS30897 - AS30979'

as-block:       AS30897 - AS30979
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:        2018-11-22T15:27:33Z
last-modified:  2018-11-22T15:27:33Z
source:         RIPE

% Information related to 'AS30900'

% Abuse contact for 'AS30900' is 'lir@webworld.ie'

aut-num:        AS30900
org:            ORG-SL7-RIPE
as-name:        WEBWORLD-AS
descr:          t/a Web World Ireland
descr:          www.webworld.ie
descr:          -
descr:          Virgin Media
import:         from AS6830 accept ANY
export:         to AS6830 announce AS-WEBWORLD-SET
descr:          -
descr:          Hurricane Electric
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-WEBWORLD-SET
descr:          -
descr:          Host Ireland
import:         from AS199256 accept ANY
export:         to AS199256 announce AS-WEBWORLD-SET
descr:          -
descr:          AS-ROUTE64
import:         from AS-ROUTE64 accept ANY
export:         to AS-ROUTE64 announce AS-WEBWORLD-SET
descr:          -
descr:          Inex Peers
import:         from AS43760 accept ANY
export:         to AS43760 announce AS30900
import:         from AS1213 accept ANY
export:         to AS1213 announce AS30900
import:         from AS2110 accept ANY
export:         to AS2110 announce AS30900
import:         from AS31458 accept ANY
export:         to AS31458 announce AS30900
import:         from AS8068 accept ANY
export:         to AS8068 announce AS30900
import:         from AS34245 accept ANY
export:         to AS34245 announce AS30900
import:         from AS39122 accept ANY
export:         to AS39122 announce AS30900
import:         from AS39233 accept ANY
export:         to AS39233 announce AS30900
import:         from AS26415 accept ANY
export:         to AS26415 announce AS30900
import:         from AS42310 accept ANY
export:         to AS42310 announce AS30900
import:         from AS39111 accept ANY
export:         to AS39111 announce AS30900
import:         from AS21327 accept ANY
export:         to AS21327 announce AS30900
import:         from AS5466 accept ANY
export:         to AS5466 announce AS30900
import:         from AS2128 accept ANY
export:         to AS2128 announce AS30900
admin-c:        DG862-RIPE
tech-c:         DG862-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         WEBWORLD-MNT
created:        2004-01-08T11:22:42Z
last-modified:  2025-11-05T11:33:00Z
source:         RIPE # Filtered

organisation:   ORG-SL7-RIPE
org-name:       Sternforth Ltd. trading as WebWorld
country:        IE
reg-nr:         261401
org-type:       LIR
address:        Unit B15, South City Business Centre
address:        24
address:        Dublin
address:        IRELAND
phone:          +353 1 4951615
fax-no:         +353 1 4951615
admin-c:        DG862-RIPE
abuse-c:        AR15549-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        WEBWORLD-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         WEBWORLD-MNT
created:        2004-04-17T11:27:24Z
last-modified:  2026-05-13T07:19:03Z
source:         RIPE # Filtered

person:         Dave Geoghegan
address:        Web World Ireland Unit B15 South City Business Centre Tallaght Dublin 24
phone:          +353 1 4951112
fax-no:         + 353 1 4951615
nic-hdl:        DG862-RIPE
mnt-by:         WEBWORLD-MNT
created:        2003-08-02T12:26:04Z
last-modified:  2019-01-24T10:45:49Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS30897 - AS30979",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS30900",
    "as_name" : "WEBWORLD-AS",
    "description" : [ "t/a Web World Ireland", "www.webworld.ie", "-", "Virgin Media", "-", "Hurricane Electric", "-", "Host Ireland", "-", "AS-ROUTE64", "-", "Inex Peers" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS6830 accept ANY", "from AS6939 accept ANY", "from AS199256 accept ANY", "from AS-ROUTE64 accept ANY", "from AS43760 accept ANY", "from AS1213 accept ANY", "from AS2110 accept ANY", "from AS31458 accept ANY", "from AS8068 accept ANY", "from AS34245 accept ANY", "from AS39122 accept ANY", "from AS39233 accept ANY", "from AS26415 accept ANY", "from AS42310 accept ANY", "from AS39111 accept ANY", "from AS21327 accept ANY", "from AS5466 accept ANY", "from AS2128 accept ANY" ],
    "export" : [ "to AS6830 announce AS-WEBWORLD-SET", "to AS6939 announce AS-WEBWORLD-SET", "to AS199256 announce AS-WEBWORLD-SET", "to AS-ROUTE64 announce AS-WEBWORLD-SET", "to AS43760 announce AS30900", "to AS1213 announce AS30900", "to AS2110 announce AS30900", "to AS31458 announce AS30900", "to AS8068 announce AS30900", "to AS34245 announce AS30900", "to AS39122 announce AS30900", "to AS39233 announce AS30900", "to AS26415 announce AS30900", "to AS42310 announce AS30900", "to AS39111 announce AS30900", "to AS21327 announce AS30900", "to AS5466 announce AS30900", "to AS2128 announce AS30900" ],
    "organization" : "ORG-SL7-RIPE",
    "admin_contacts" : [ "DG862-RIPE" ],
    "tech_contacts" : [ "DG862-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "WEBWORLD-MNT" ],
    "date_created" : "2004-01-08",
    "date_updated" : "2025-11-05",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SL7-RIPE",
    "name" : "Sternforth Ltd. trading as WebWorld",
    "type" : "LIR",
    "address" : [ "Unit B15, South City Business Centre", "24", "Dublin", "IRELAND" ],
    "city" : "Dublin",
    "country" : [ "IE" ],
    "phone" : [ "+353 1 4951615" ],
    "fax_no" : [ "+353 1 4951615" ],
    "admin_contacts" : [ "DG862-RIPE" ],
    "abuse_contacts" : [ "AR15549-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "WEBWORLD-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "WEBWORLD-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "IRELAND"
  },
  "administrative_contacts" : [ {
    "handle" : "DG862-RIPE",
    "name" : "Dave Geoghegan",
    "address" : [ "Web World Ireland Unit B15 South City Business Centre Tallaght Dublin 24" ],
    "city" : "Tallaght",
    "phone" : [ "+353 1 4951112" ],
    "fax_no" : [ "+ 353 1 4951615" ],
    "mnt_by" : [ "WEBWORLD-MNT" ],
    "date_created" : "2003-08-02",
    "date_updated" : "2019-01-24",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "DG862-RIPE",
    "name" : "Dave Geoghegan",
    "address" : [ "Web World Ireland Unit B15 South City Business Centre Tallaght Dublin 24" ],
    "city" : "Tallaght",
    "phone" : [ "+353 1 4951112" ],
    "fax_no" : [ "+ 353 1 4951615" ],
    "mnt_by" : [ "WEBWORLD-MNT" ],
    "date_created" : "2003-08-02",
    "date_updated" : "2019-01-24",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS20326	TeraSwitch Networks Inc.	US
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS6830	Liberty Global Europe Holding B.V.	NL
AS39233	RIPE Network Coordination Centre	NL
AS212895	Johannes Ernst	DE
AS42310	IE Domain Registry CLG	IE
AS43760	Internet Neutral Exchange Association Company Limited By Guarantee	IE
AS56911	Warian S.R.L.	IT
AS41073	Raidio Teilifis Eireann	IE
AS36236	NetActuate, Inc	US
AS3303	Swisscom Schweiz AG	CH
AS4455	IX Reach Ltd	GB
AS34245	Magnet Networks Limited	IE
AS31458	Digiweb ltd	IE
AS199256	Volt Datacenters B.V.	NL
AS21327	Hutchison 3G UK Limited	GB
AS5466	Eircom Limited	IE
AS39120	Convergenze S.p.A.	IT
AS1213	ASIERA TECHNOLOGY SERVICES CLG	IE
AS12969	Ljosleidarinn ehf	IS
AS13237	euNetworks GmbH	DE
AS9002	RETN Limited	GB
AS39111	Amazon Data Services Ireland Ltd	IE
AS2110	Enet Communications LIMITED	IE
AS39122	Blacknight Internet Solutions Limited	IE
AS26415	VeriSign Global Registry Services	US
AS2128	Internet Neutral Exchange Association Company Limited By Guarantee	IE
AS31122	Digiweb ltd	IE
AS8068	Microsoft Corporation	US
AS20562	Broadband Hosting B.V.	NL

Upstreams

AS Number	Description	Country
AS56911	Warian S.R.L.	IT
AS20326	TeraSwitch Networks Inc.	US
AS9002	RETN Limited	GB
AS3303	Swisscom Schweiz AG	CH
AS4455	IX Reach Ltd	GB
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS6830	Liberty Global Europe Holding B.V.	NL
AS20562	Broadband Hosting B.V.	NL

Downstreams

AS Number	Description	Country
AS212895	Johannes Ernst	DE

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