
17908 TCISL Tata Communications, IN
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
AS55441 TTSLMEIS-AS-AP TTSL-ISP DIVISION, IN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 635 AS17908 ORIGIN Originate: 563712 /12.90 Transit: 0 /0.00 TCISL Tata Communications, 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 % 2512 AS17908 TCISL Tata Communications, IN 116 24 2 94 22 18.97% Prefix AS Path Aggregation Suggestion 59.162.88.0/22 4777 2497 6453 4755 17908 59.162.94.0/24 4777 2497 6453 4755 17908 59.162.116.0/22 4777 2497 6453 4755 17908 59.162.122.0/23 4777 2497 6453 4755 17908 59.162.128.0/20 4777 2497 6453 4755 17908 59.162.144.0/22 4777 2516 6453 4755 17908 59.162.148.0/23 4777 2516 6453 4755 17908 59.162.152.0/22 4777 2497 6453 4755 17908 59.162.168.0/21 4777 2497 6453 4755 17908 59.162.172.0/23 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.162.168.0/21 4777 2497 6453 4755 17908 59.162.192.0/21 4777 2497 6453 4755 17908 59.162.208.0/20 4777 2497 6453 4755 17908 59.162.208.0/21 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.162.208.0/20 4777 2497 6453 4755 17908 59.162.222.0/24 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.162.208.0/20 4777 2497 6453 4755 17908 59.162.224.0/19 4777 2497 6453 4755 17908 59.162.224.0/20 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.162.224.0/19 4777 2497 6453 4755 17908 59.162.240.0/20 4777 2516 6453 4755 17908 59.162.252.0/23 4777 2497 6453 4755 17908 59.163.172.0/23 4777 2497 6453 4755 17908 59.164.0.0/16 4777 2497 6453 4755 17908 59.164.0.0/17 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.164.0.0/16 4777 2497 6453 4755 17908 59.164.128.0/17 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.164.0.0/16 4777 2497 6453 4755 17908 59.164.200.0/21 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.164.0.0/16 4777 2497 6453 4755 17908 59.164.208.0/21 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 59.164.0.0/16 4777 2497 6453 4755 17908 59.165.0.0/20 4777 2497 6453 4755 17908 59.165.24.0/21 4777 2516 6453 4755 17908 59.165.56.0/24 4777 2516 6453 4755 45820 55441 17908 59.165.64.0/20 4777 2516 6453 4755 17908 59.165.80.0/20 4777 2497 6453 4755 17908 59.165.104.0/21 4777 2497 6453 4755 17908 61.11.24.0/22 4777 2516 6453 4755 17908 61.11.28.0/24 4777 2516 6453 4755 17908 61.11.30.0/23 4777 2516 6453 4755 17908 61.11.32.0/21 4777 2497 6453 4755 17908 61.11.36.0/22 4777 2516 6453 4755 17908 61.11.48.0/21 4777 2497 6453 4755 17908 61.11.64.0/24 4777 2516 6453 4755 17908 61.11.104.0/23 4777 2516 6453 4755 17908 61.17.0.0/21 4777 2497 6453 4755 17908 61.17.16.0/21 4777 2497 6453 4755 17908 61.17.36.0/22 4777 2497 6453 4755 17908 61.17.48.0/21 4777 2497 6453 4755 17908 61.17.57.0/24 4777 2516 6453 4755 17908 61.17.83.0/24 4777 2516 6453 4755 17908 61.17.108.0/24 4777 2516 6453 4755 17908 61.17.112.0/20 4777 2497 6453 4755 17908 61.17.112.0/21 4777 2516 6453 4755 17908 61.17.124.0/22 4777 2516 6453 4755 17908 61.17.128.0/19 4777 2516 6453 4755 17908 61.17.180.0/22 4777 2497 6453 4755 17908 61.17.208.0/21 4777 2497 6453 4755 17908 61.17.216.0/21 4777 2516 6453 4755 17908 61.17.216.0/22 4777 2497 6453 4755 17908 61.17.224.0/22 4777 2497 6453 4755 17908 61.17.228.0/23 4777 2497 6453 4755 17908 61.17.236.0/23 4777 2516 6453 4755 17908 61.17.238.0/24 4777 2516 6453 4755 17908 61.17.240.0/20 4777 2497 6453 4755 17908 115.108.110.0/23 4777 2497 6453 4755 17908 115.108.192.0/18 4777 2497 6453 4755 17908 115.108.209.0/24 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 115.108.192.0/18 4777 2497 6453 4755 17908 115.108.210.0/23 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 115.108.192.0/18 4777 2497 6453 4755 17908 115.108.216.0/21 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 115.108.192.0/18 4777 2497 6453 4755 17908 115.108.226.0/23 4777 2516 6453 4755 17908 115.108.240.0/21 4777 2516 6453 4755 17908 115.108.250.0/23 4777 2516 6453 4755 17908 115.109.0.0/17 4777 2497 6453 4755 17908 115.109.6.0/23 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 115.109.0.0/17 4777 2497 6453 4755 17908 115.109.128.0/21 4777 2497 6453 4755 17908 115.109.136.0/23 4777 2497 6453 4755 17908 115.109.144.0/22 4777 2516 6453 4755 17908 115.109.148.0/23 4777 2516 6453 4755 17908 115.109.150.0/24 4777 2516 6453 4755 17908 115.109.152.0/21 4777 2497 6453 4755 17908 + Announce - aggregate of 115.109.152.0/22 (4777 2497 6453 4755 17908) and 115.109.156.0/22 (4777 2497 6453 4755 17908) 115.109.152.0/22 4777 2497 6453 4755 17908 - Withdrawn - aggregated with 115.109.156.0/22 (4777 2497 6453 4755 17908) 115.109.156.0/22 4777 2497 6453 4755 17908 - Withdrawn - aggregated with 115.109.152.0/22 (4777 2497 6453 4755 17908) 115.109.166.0/23 4777 2497 6453 4755 17908 115.109.176.0/20 4777 2497 6453 4755 17908 115.109.192.0/20 4777 2497 6453 4755 17908 + Announce - aggregate of 115.109.192.0/21 (4777 2497 6453 4755 17908) and 115.109.200.0/21 (4777 2497 6453 4755 17908) 115.109.192.0/21 4777 2497 6453 4755 17908 - Withdrawn - aggregated with 115.109.200.0/21 (4777 2497 6453 4755 17908) 115.109.200.0/21 4777 2497 6453 4755 17908 - Withdrawn - aggregated with 115.109.192.0/21 (4777 2497 6453 4755 17908) 115.109.208.0/20 4777 2516 6453 4755 17908 115.109.212.0/23 4777 2497 6453 4755 17908 115.109.224.0/21 4777 2497 6453 4755 17908 115.109.248.0/21 4777 2516 6453 4755 17908 121.243.128.0/17 4777 2497 6453 4755 17908 121.243.128.0/20 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 121.243.128.0/17 4777 2497 6453 4755 17908 121.243.160.0/20 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 121.243.128.0/17 4777 2497 6453 4755 17908 121.243.176.0/20 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 121.243.128.0/17 4777 2497 6453 4755 17908 121.243.192.0/18 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 121.243.128.0/17 4777 2497 6453 4755 17908 121.243.216.0/21 4777 2516 6453 4755 17908 121.245.192.0/19 4777 2516 6453 4755 17908 121.245.224.0/22 4777 2516 6453 4755 17908 121.245.232.0/21 4777 2516 6453 4755 17908 121.246.0.0/15 4777 2497 6453 4755 17908 202.9.128.0/24 4777 2497 6453 4755 17908 202.9.166.0/24 4777 2497 6453 4755 17908 202.9.180.0/23 4777 2497 6453 4755 17908 202.9.188.0/22 4777 2497 6453 4755 17908 202.9.188.0/23 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 202.9.188.0/22 4777 2497 6453 4755 17908 202.9.190.0/24 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 202.9.188.0/22 4777 2497 6453 4755 17908 202.54.48.0/23 4777 2497 6453 4755 17908 202.54.131.0/24 4777 2497 6453 4755 17908 203.199.227.0/24 4777 2497 6453 4755 17908 203.199.228.0/24 4777 2497 6453 4755 17908 210.211.176.0/20 4777 2497 6453 4755 17908 210.211.192.0/20 4777 2497 6453 4755 17908 210.211.212.0/22 4777 2516 6453 4755 17908 210.211.224.0/21 4777 2497 6453 4755 17908 210.211.248.0/21 4777 2497 6453 4755 17908 219.64.80.0/20 4777 2497 6453 4755 17908 219.64.80.0/21 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 219.64.80.0/20 4777 2497 6453 4755 17908 219.64.88.0/23 4777 2497 6453 4755 17908 - Withdrawn - matching aggregate 219.64.80.0/20 4777 2497 6453 4755 17908 219.64.120.0/21 4777 2497 6453 4755 17908 219.64.196.0/22 4777 2497 6453 4755 17908 219.65.159.0/24 4777 2516 6453 4755 17908 219.65.172.0/22 4777 2497 6453 4755 17908 219.65.192.0/18 4777 2497 6453 4755 17908
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS17908 116 More Specifics 116 Total Advertisements TCISL Tata Communications, IN
59.162.88.0/22 59.160.0.0/14
59.162.94.0/24 59.160.0.0/14
59.162.116.0/22 59.160.0.0/14
59.162.122.0/23 59.160.0.0/14
59.162.128.0/20 59.160.0.0/14
59.162.144.0/22 59.160.0.0/14
59.162.148.0/23 59.160.0.0/14
59.162.152.0/22 59.160.0.0/14
59.162.168.0/21 59.160.0.0/14
59.162.172.0/23 59.160.0.0/14
59.162.192.0/21 59.160.0.0/14
59.162.208.0/20 59.160.0.0/14
59.162.208.0/21 59.160.0.0/14
59.162.222.0/24 59.160.0.0/14
59.162.224.0/19 59.160.0.0/14
59.162.224.0/20 59.160.0.0/14
59.162.240.0/20 59.160.0.0/14
59.162.252.0/23 59.160.0.0/14
59.163.172.0/23 59.160.0.0/14
59.164.0.0/16 59.164.0.0/15
59.164.0.0/17 59.164.0.0/15
59.164.128.0/17 59.164.0.0/15
59.164.200.0/21 59.164.0.0/15
59.164.208.0/21 59.164.0.0/15
59.165.0.0/20 59.164.0.0/15
59.165.24.0/21 59.164.0.0/15
59.165.56.0/24 59.164.0.0/15
59.165.64.0/20 59.164.0.0/15
59.165.80.0/20 59.164.0.0/15
59.165.104.0/21 59.164.0.0/15
61.11.24.0/22 61.11.0.0/19
61.11.28.0/24 61.11.0.0/19
61.11.30.0/23 61.11.0.0/19
61.11.32.0/21 61.11.32.0/19
61.11.36.0/22 61.11.32.0/19
61.11.48.0/21 61.11.32.0/19
61.11.64.0/24 61.11.64.0/18
61.11.104.0/23 61.11.64.0/18
61.17.0.0/21 61.17.0.0/17
61.17.16.0/21 61.17.0.0/17
61.17.36.0/22 61.17.0.0/17
61.17.48.0/21 61.17.0.0/17
61.17.57.0/24 61.17.0.0/17
61.17.83.0/24 61.17.0.0/17
61.17.108.0/24 61.17.0.0/17
61.17.112.0/20 61.17.0.0/17
61.17.112.0/21 61.17.0.0/17
61.17.124.0/22 61.17.0.0/17
61.17.128.0/19 61.17.128.0/17
61.17.180.0/22 61.17.128.0/17
61.17.208.0/21 61.17.128.0/17
61.17.216.0/21 61.17.128.0/17
61.17.216.0/22 61.17.128.0/17
61.17.224.0/22 61.17.128.0/17
61.17.228.0/23 61.17.128.0/17
61.17.236.0/23 61.17.128.0/17
61.17.238.0/24 61.17.128.0/17
61.17.240.0/20 61.17.128.0/17
115.108.110.0/23 115.108.0.0/14
115.108.192.0/18 115.108.0.0/14
115.108.209.0/24 115.108.0.0/14
115.108.210.0/23 115.108.0.0/14
115.108.216.0/21 115.108.0.0/14
115.108.226.0/23 115.108.0.0/14
115.108.240.0/21 115.108.0.0/14
115.108.250.0/23 115.108.0.0/14
115.109.0.0/17 115.108.0.0/14
115.109.6.0/23 115.108.0.0/14
115.109.128.0/21 115.108.0.0/14
115.109.136.0/23 115.108.0.0/14
115.109.144.0/22 115.108.0.0/14
115.109.148.0/23 115.108.0.0/14
115.109.150.0/24 115.108.0.0/14
115.109.152.0/22 115.108.0.0/14
115.109.156.0/22 115.108.0.0/14
115.109.166.0/23 115.108.0.0/14
115.109.176.0/20 115.108.0.0/14
115.109.192.0/21 115.108.0.0/14
115.109.200.0/21 115.108.0.0/14
115.109.208.0/20 115.108.0.0/14
115.109.212.0/23 115.108.0.0/14
115.109.224.0/21 115.108.0.0/14
115.109.248.0/21 115.108.0.0/14
121.243.128.0/17 121.240.0.0/13
121.243.128.0/20 121.240.0.0/13
121.243.160.0/20 121.240.0.0/13
121.243.176.0/20 121.240.0.0/13
121.243.192.0/18 121.240.0.0/13
121.243.216.0/21 121.240.0.0/13
121.245.192.0/19 121.240.0.0/13
121.245.224.0/22 121.240.0.0/13
121.245.232.0/21 121.240.0.0/13
121.246.0.0/15 121.240.0.0/13
202.9.128.0/24 202.9.128.0/19
202.9.166.0/24 202.9.164.0/22
202.9.180.0/23 202.9.176.0/20
202.9.188.0/22 202.9.176.0/20
202.9.188.0/23 202.9.176.0/20
202.9.190.0/24 202.9.176.0/20
202.54.48.0/23 202.54.32.0/19
202.54.131.0/24 202.54.128.0/17
203.199.227.0/24 203.199.0.0/16
203.199.228.0/24 203.199.0.0/16
210.211.176.0/20 210.211.128.0/17
210.211.192.0/20 210.211.128.0/17
210.211.212.0/22 210.211.128.0/17
210.211.224.0/21 210.211.128.0/17
210.211.248.0/21 210.211.128.0/17
219.64.80.0/20 219.64.0.0/15
219.64.80.0/21 219.64.0.0/15
219.64.88.0/23 219.64.0.0/15
219.64.120.0/21 219.64.0.0/15
219.64.196.0/22 219.64.0.0/15
219.65.159.0/24 219.64.0.0/15
219.65.172.0/22 219.64.0.0/15
219.65.192.0/18 219.64.0.0/15
whois: 402332
IANA has recorded AS17908 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS17908\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
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: 2019-01-08T23:19:07Z
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 'AS17908'
% Abuse contact for 'AS17908' is '4755abuse@tatacommunications.com'
aut-num: AS17908
as-name: TCISL
descr: Tata Communications
descr: Mumbai, India
country: IN
import: from AS4755 action pref=1; accept ANY
import: from AS11919 action pref=1; accept ANY
export: to AS4755 announce AS17908
export: to AS11919 announce AS17908
default: to AS4755 action pref=1; networks ANY
org: ORG-TCL6-AP
admin-c: IA15-AP
tech-c: IA15-AP
abuse-c: AT1356-AP
notify: milind.sonawane@tatacommunications.com
mnt-lower: MAINT-TATACOMM-IN
mnt-routes: MAINT-TATACOMM-IN
mnt-by: APNIC-HM
mnt-irt: IRT-TATACOMM-IN
last-modified: 2020-12-08T14:35:54Z
source: APNIC
irt: IRT-TATACOMM-IN
address: 6th Floor, LVSB, VSNL
address: Kashinath Dhuru marg, Prabhadevi
address: Dadar(W), Mumbai 400028
address: India
e-mail: ip.admin@tatacommunications.com
abuse-mailbox: 4755abuse@tatacommunications.com
admin-c: IA15-AP
tech-c: IA15-AP
auth: # Filtered
remarks: ip.admin@tatacommunications.com was validated on 2026-02-17
remarks: 4755abuse@tatacommunications.com was validated on 2026-02-17
mnt-by: MAINT-TATACOMM-IN
last-modified: 2026-02-17T10:21:33Z
source: APNIC
organisation: ORG-TCL6-AP
org-name: Tata Communications Limited
org-type: LIR
country: IN
address: Customer Service & Operations
address: Plot Nos. C-21 & C-36
address: 'G' Block, Bandra Kurla Complex,
phone: +91-22-66502826
fax-no: +91-22-66502039
e-mail: ip-addr@tatacommunications.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:43Z
source: APNIC
role: ABUSE TATACOMMIN
country: ZZ
address: 6th Floor, LVSB, VSNL
address: Kashinath Dhuru marg, Prabhadevi
address: Dadar(W), Mumbai 400028
address: India
phone: +000000000
e-mail: ip.admin@tatacommunications.com
admin-c: IA15-AP
tech-c: IA15-AP
nic-hdl: AT1356-AP
remarks: Generated from irt object IRT-TATACOMM-IN
remarks: ip.admin@tatacommunications.com was validated on 2026-02-17
remarks: 4755abuse@tatacommunications.com was validated on 2026-02-17
abuse-mailbox: 4755abuse@tatacommunications.com
mnt-by: APNIC-ABUSE
last-modified: 2026-02-17T10:21:44Z
source: APNIC
person: IP Administrator
nic-hdl: IA15-AP
e-mail: ip.admin@tatacommunications.com
address: GCSC
address: Alandhi Road, Dighi
address: Pune, Maharashtra,India
phone: +91 20 66144444
country: IN
mnt-by: MAINT-TATACOMM-IN
abuse-mailbox: 4755abuse@tatacommunications.com
last-modified: 2024-12-05T12:35:35Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)