24539 SYNOPSYS-INDC-AS Synopsys Inc., IN
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9583 SIFY-AS-IN Sify Limited, IN
AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 24748 AS24539 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 SYNOPSYS-INDC-AS Synopsys Inc., IN
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 % 16345 AS24539 SYNOPSYS-INDC-AS Synopsys Inc., IN 5 3 1 3 2 40.00% Prefix AS Path Aggregation Suggestion 149.117.223.0/24 4777 2497 2914 9583 24539 149.117.224.0/22 4608 24115 9583 24539 149.117.224.0/23 4777 2516 6453 4755 24539 + Announce - aggregate of 149.117.224.0/24 (4777 2516 6453 4755 24539) and 149.117.225.0/24 (4777 2516 6453 4755 24539) 149.117.224.0/24 4777 2516 6453 4755 24539 - Withdrawn - aggregated with 149.117.225.0/24 (4777 2516 6453 4755 24539) 149.117.225.0/24 4777 2516 6453 4755 24539 - Withdrawn - aggregated with 149.117.224.0/24 (4777 2516 6453 4755 24539) 149.117.226.0/24 4608 24115 9583 24539 - Withdrawn - matching aggregate 149.117.224.0/22 4608 24115 9583 24539
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS24539 5 More Specifics 5 Total Advertisements SYNOPSYS-INDC-AS Synopsys Inc., IN
149.117.223.0/24 149.117.0.0/16
149.117.224.0/22 149.117.0.0/16
149.117.224.0/24 149.117.0.0/16
149.117.225.0/24 149.117.0.0/16
149.117.226.0/24 149.117.0.0/16
whois: 402332
IANA has recorded AS24539 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS24539\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS24538 - AS24575'
as-block: AS24538 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2008-09-04T06:40:26Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS24539'
% Abuse contact for 'AS24539' is 'Ben.Tsui@synopsys.com'
aut-num: AS24539
as-name: SYNOPSYS-INDC-AS
descr: Synopsys Inc.
descr: Tansit AS
descr: EDA software provider
descr: USA
country: IN
import: from AS18101 action pref=100; accept ANY
import: from AS9498 action pref=100; accept ANY
export: to AS18101 announce AS24539
export: to AS9498 announce AS24539
default: to AS18101 action pref=10; networks ANY
remarks: For routing problem with this ASN contact the admin-c
remarks: Network located in IN
org: ORG-SA29-AP
admin-c: HK670-AP
tech-c: HK670-AP
abuse-c: AS2162-AP
notify: hlkim@synopsys.com
mnt-lower: MAINT-IN-SYNOPSYS-INC
mnt-routes: MAINT-IN-SYNOPSYS-INC
mnt-by: APNIC-HM
mnt-irt: IRT-SNPS-INDC-NON-AP
last-modified: 2020-05-26T15:26:23Z
source: APNIC
irt: IRT-SNPS-INDC-NON-AP
address: 700 E. Middlefield Rd
address: Mt. View, CA 94043 USA
e-mail: network-core@synopsys.com
abuse-mailbox: Ben.Tsui@synopsys.com
admin-c: HK670-AP
tech-c: HK670-AP
auth: # Filtered
remarks: ben.tsui@synopsys.com was validated on 2025-11-11
remarks: network-core@synopsys.com was validated on 2026-02-10
mnt-by: MAINT-IN-SYNOPSYS-INC
last-modified: 2026-02-10T14:23:50Z
source: APNIC
organisation: ORG-SA29-AP
org-name: Synopsys
org-type: LIR
country: US
address: 690 E. Middlefield Rd
phone: +1-650-584-5000
fax-no: +1-650-584-4343
e-mail: network-core@synopsys.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:07Z
source: APNIC
role: ABUSE SNPSINDCNONAP
country: ZZ
address: 700 E. Middlefield Rd
address: Mt. View, CA 94043 USA
phone: +000000000
e-mail: network-core@synopsys.com
admin-c: HK670-AP
tech-c: HK670-AP
nic-hdl: AS2162-AP
remarks: Generated from irt object IRT-SNPS-INDC-NON-AP
remarks: ben.tsui@synopsys.com was validated on 2025-11-11
remarks: network-core@synopsys.com was validated on 2026-02-10
abuse-mailbox: Ben.Tsui@synopsys.com
mnt-by: APNIC-ABUSE
last-modified: 2026-02-10T14:24:28Z
source: APNIC
person: Hong Kim
nic-hdl: HK670-AP
e-mail: hlkim@synopsys.com
address: 700 E. Middlefield Rd
address: Mt. View, CA 94043 USA
phone: +1-650-584-4697
fax-no: +1-650-584-4343
country: US
mnt-by: MAINT-NEW
last-modified: 2008-09-04T07:29:24Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)