ResearchRouting table, RPKI, IRR & looking glass

AS6453 TATA COMMUNICATIONS (AMERICA) INC

AS6453 (AS6453) is registered to TATA COMMUNICATIONS (AMERICA) INC in US, through ARIN. It originates 141 prefixes in the global routing table.

123
IPv4 prefixes
18
IPv6 prefixes
505,600
IPv4 addresses
76%
RPKI valid

Who holds AS6453

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS6453
Handle
AS6453
Organization
TATA COMMUNICATIONS (AMERICA) INC
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       6453
ASName:         AS6453
ASHandle:       AS6453
RegDate:        1996-04-18
Updated:        2014-04-22
Ref:            https://rdap.arin.net/registry/autnum/6453


OrgName:        TATA COMMUNICATIONS (AMERICA) INC
OrgId:          TCA-51
Address:        2355 Dulles Corner Boulevard Suite 700
City:           Herndon
StateProv:      VA
PostalCode:     20171
Country:        US
RegDate:        2014-01-28
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/TCA-51


OrgAbuseHandle: IPNOC14-ARIN
OrgAbuseName:   IP NOC
OrgAbusePhone:  +15143157888 
OrgAbuseEmail:  6453abuse@tatacommunications.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPNOC14-ARIN

OrgNOCHandle: IPNOC14-ARIN
OrgNOCName:   IP NOC
OrgNOCPhone:  +15143157888 
OrgNOCEmail:  6453abuse@tatacommunications.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IPNOC14-ARIN

OrgTechHandle: IPADM470-ARIN
OrgTechName:   IP Admin
OrgTechPhone:  +1 514 868 7313 
OrgTechEmail:  ip-addr@tatacommunications.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM470-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

What AS6453 announces

Prefixes originated by AS6453 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
123
IPv6 prefixes
18
IPv4 addresses
505,600 (1,975 /24s)
RPKI valid
108 76%
RPKI invalid
7
RPKI not found
26
ROAs naming AS6453
907
With an IRR route object
60 42%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (123)
5.23.0.0/1941.206.160.0/2041.206.176.0/2141.206.184.0/2341.206.188.0/2343.241.40.0/2243.241.40.0/2443.241.41.0/2443.241.42.0/2445.231.24.0/2245.231.26.0/2459.163.231.0/2463.243.128.0/1764.7.112.0/2064.86.0.0/1666.110.0.0/1766.110.0.0/1866.110.40.0/2166.110.40.0/2366.110.41.0/2466.110.42.0/2366.110.44.0/2366.110.46.0/2366.110.64.0/2066.110.80.0/2166.110.96.0/1966.198.0.0/1966.198.32.0/2066.198.56.0/2166.198.64.0/2066.198.80.0/2166.198.81.0/2466.198.96.0/1966.198.128.0/1880.231.0.0/1680.231.8.0/2180.231.11.0/2480.231.56.0/2480.231.71.0/2480.231.93.0/2480.231.94.0/2480.231.136.0/2480.231.155.0/2480.231.235.0/24103.16.252.0/22103.21.80.0/24104.161.12.0/23115.108.48.0/20115.108.48.0/24115.108.49.0/24115.108.58.0/24115.108.59.0/24115.112.168.0/23116.0.64.0/19116.0.70.0/24116.0.76.0/24116.0.82.0/24116.0.93.0/24120.29.192.0/19120.29.209.0/24120.29.219.0/24138.104.226.0/24138.104.227.0/24138.104.233.0/24138.104.236.0/24162.213.98.0/24162.213.100.0/24174.35.119.0/24180.87.0.0/17180.87.35.0/24180.87.57.0/24180.87.65.0/24180.87.66.0/24180.87.88.0/21180.87.88.0/24180.87.90.0/24180.87.99.0/24180.87.101.0/24180.87.125.0/24180.87.128.0/18180.87.130.0/24180.87.142.0/24180.87.151.0/24180.87.185.0/24185.15.13.0/24185.76.100.0/24193.26.192.0/24193.26.193.0/24193.26.196.0/24193.26.197.0/24193.26.198.0/24193.26.200.0/23193.26.204.0/24193.26.206.0/23193.142.125.0/24193.227.133.0/24195.219.0.0/16195.219.22.0/24195.219.38.0/24195.219.40.0/24195.219.41.0/24195.219.43.0/24195.219.45.0/24195.219.47.0/24195.219.96.0/24195.219.204.0/24195.219.240.0/24197.242.32.0/19197.242.48.0/21199.202.32.0/19202.183.64.0/20203.199.243.0/24206.82.128.0/20207.45.192.0/19208.80.250.0/24209.58.0.0/17212.12.160.0/24212.12.182.0/24216.6.0.0/17216.6.72.0/24
Show 3 more
IPv6 (18)

RPKI valid   RPKI invalid   no ROA covers it

Who AS6453 is reached through

The AS just before AS6453 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.