28939 ARM-AS AS for ARM Ltd
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS174 COGENT Cogent/PSI
AS209 ASN-QWEST - Qwest
AS9105 TISCALI-UK Tiscali UK
AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe
AS703 UNSPECIFIED UUNET
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8669 AS28939 ORIGIN Originate: 5376 /19.61 Transit: 0 /0.00 ARM-AS AS for ARM Ltd
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 5880 AS28939 ARM-AS AS for ARM Ltd 8 1 0 7 1 12.50% Prefix AS Path Aggregation Suggestion 193.131.176.0/24 4637 3491 701 702 28939 217.140.96.0/22 4637 3491 701 702 28939 217.140.100.0/22 4637 174 28939 217.140.100.0/23 4637 209 28939 217.140.102.0/23 4637 174 28939 - Withdrawn - matching aggregate 217.140.100.0/22 4637 174 28939 217.140.104.0/22 4637 703 28939 217.140.108.0/23 4637 3491 3561 3257 9105 28939 217.140.110.0/23 4637 209 28939
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28939 8 More Specifics 8 Total Advertisements ARM-AS AS for ARM Ltd
193.131.176.0/24 193.131.0.0/16
217.140.96.0/22 217.140.96.0/20
217.140.100.0/22 217.140.96.0/20
217.140.100.0/23 217.140.96.0/20
217.140.102.0/23 217.140.96.0/20
217.140.104.0/22 217.140.96.0/20
217.140.108.0/23 217.140.96.0/20
217.140.110.0/23 217.140.96.0/20
whois: 402332
IANA has recorded AS28939 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28939\n % 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.
% Information related to 'AS28914 - AS29090'
as-block: AS28914 - AS29090
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: 2018-11-22T15:27:31Z
last-modified: 2018-11-22T15:27:31Z
source: RIPE
% Information related to 'AS28939'
% Abuse contact for 'AS28939' is 'hostmaster@arm.com'
aut-num: AS28939
as-name: ARM-AS
org: ORG-AL29-RIPE
import: from AS702 action pref=100; accept ANY
import: from AS1290 action pref=100; accept ANY
import: from AS9105 action pref=100; accept ANY
export: to AS702 announce AS28939
export: to AS1290 announce AS28939
export: to AS9105 announce AS28939
admin-c: ARH9-RIPE
admin-c: JMC296-RIPE
tech-c: ARH9-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ARM
created: 2003-04-14T14:48:15Z
last-modified: 2021-02-23T13:57:51Z
source: RIPE
organisation: ORG-AL29-RIPE
org-name: ARM Ltd
country: GB
org-type: LIR
address: 110 FULBORN ROAD
address: CB1 9NJ
address: CAMBRIDGE
address: UNITED KINGDOM
phone: +44 1223 400400
fax-no: +44 1223 400410
reg-nr: 02557590
abuse-c: AR17502-RIPE
admin-c: AN32952-RIPE
mnt-ref: MNT-ARM
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-ARM
created: 2004-11-24T14:47:17Z
last-modified: 2026-04-29T05:19:48Z
source: RIPE # Filtered
role: ARM RIPE Hostmaster
abuse-mailbox: hostmaster@arm.com
address: ARM Ltd
address: 110 Fulbourn Road
address: Cherry Hinton
address: Cambridge
address: CB1 9NJ
address: England, UK
phone: +44 1223 400400
fax-no: +44 1223 400410
admin-c: CM2806-RIPE
admin-c: AN32952-RIPE
tech-c: CM2806-RIPE
tech-c: AN32952-RIPE
nic-hdl: ARH9-RIPE
mnt-by: MNT-ARM
created: 2005-07-17T19:41:57Z
last-modified: 2022-07-05T13:40:12Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122 (SHETLAND)