23770 NCBS-IN Tata Institute of Fundamental Research, IN
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS55824 NKN-CORE-NW NKN Core Network, IN
AS45820 TTSL-MEISISP Tata Teleservices ISP AS, IN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 44560 AS23770 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 NCBS-IN Tata Institute of Fundamental Research, 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 % 21192 AS23770 NCBS-IN Tata Institute of Fundamental Researc 3 2 1 2 1 33.33% Prefix AS Path Aggregation Suggestion 158.144.174.0/23 4777 2516 6453 4755 45820 23770 + Announce - aggregate of 158.144.174.0/24 (4777 2516 6453 4755 45820 23770) and 158.144.175.0/24 (4777 2516 6453 4755 45820 23770) 158.144.174.0/24 4777 2516 6453 4755 45820 23770 - Withdrawn - aggregated with 158.144.175.0/24 (4777 2516 6453 4755 45820 23770) 158.144.175.0/24 4777 2516 6453 4755 45820 23770 - Withdrawn - aggregated with 158.144.174.0/24 (4777 2516 6453 4755 45820 23770) 158.144.176.0/24 4777 2516 6453 4755 45820 23770
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23770 3 More Specifics 3 Total Advertisements NCBS-IN Tata Institute of Fundamental Research, IN
158.144.174.0/24 158.144.0.0/16
158.144.175.0/24 158.144.0.0/16
158.144.176.0/24 158.144.0.0/16
whois: 402332
IANA has recorded AS23770 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23770\n % [whois.apnic.net]
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% 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 'AS23701 - AS23772'
as-block: AS23701 - AS23772
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 'AS23770'
% Abuse contact for 'AS23770' is 'postmaster@ncbs.res.in'
aut-num: AS23770
as-name: NCBS-IN
descr: Tata Institute of Fundamental Research
country: IN
org: ORG-NCFB1-AP
admin-c: NCFB1-AP
tech-c: NCFB1-AP
abuse-c: AN1157-AP
mnt-routes: MAINT-NCBS-IN
mnt-by: APNIC-HM
mnt-irt: IRT-NCBS-IN
last-modified: 2021-01-18T23:08:16Z
source: APNIC
irt: IRT-NCBS-IN
address: GKVK Campus, Bellary Road, Bangalore - 560065
e-mail: postmaster@ncbs.res.in
abuse-mailbox: postmaster@ncbs.res.in
admin-c: NCFB1-AP
tech-c: NCFB1-AP
auth: # Filtered
remarks: postmaster@ncbs.res.in was validated on 2025-10-28
mnt-by: MAINT-IN-NCBS
last-modified: 2025-11-18T00:28:31Z
source: APNIC
organisation: ORG-NCFB1-AP
org-name: National Centre for Biological Sciences
org-type: LIR
country: IN
address: Tata Institute of Fundamental Research
address: GKVK Campus, Bellary Road
phone: +91-080-23666421
fax-no: +91-080-23636662
e-mail: domain@ncbs.res.in
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:35Z
source: APNIC
role: ABUSE NCBSIN
country: ZZ
address: GKVK Campus, Bellary Road, Bangalore - 560065
phone: +000000000
e-mail: postmaster@ncbs.res.in
admin-c: NCFB1-AP
tech-c: NCFB1-AP
nic-hdl: AN1157-AP
remarks: Generated from irt object IRT-NCBS-IN
remarks: postmaster@ncbs.res.in was validated on 2025-10-28
abuse-mailbox: postmaster@ncbs.res.in
mnt-by: APNIC-ABUSE
last-modified: 2025-10-28T04:28:48Z
source: APNIC
role: NATIONAL CENTRE FOR BIOLOGICAL SCIENCES - Network
address: GKVK Campus, Bellary Road, Bangalore - 560065
country: IN
phone: +91-080-23666421
fax-no: +91-080-23636662
e-mail: prasanta@ncbs.res.in
admin-c: NCFB1-AP
tech-c: NCFB1-AP
nic-hdl: NCFB1-AP
mnt-by: MAINT-NCBS-IN
last-modified: 2009-09-25T04:45:40Z
source: APNIC
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