AS6453 TATA Communications Ltd
AS6453 is operated by TATA Communications Ltd and registered with ARIN (US) since 1996-04-18.
It announces 132 IPv4 and 18 IPv6 prefixes, 73% of them RPKI valid.
RIPE RIS sees 93 upstream and peer networks and 656 downstream networks next to it.
PeeringDB lists it as an NSP network at 104 facilities. Its peering policy is restrictive.
| Name | TATA Communications Ltd |
|---|---|
| Registry handle | AS6453 |
| Registry (RIR) | ARIN |
| Country | United States (US) |
| Delegated on | 1996-04-18 |
| Network type | NSP, Global |
| Peering policy | Restrictive |
| IRR as-set | AS-GLOBEINTERNET |
| Prefixes (IPv4 / IPv6) | 132 / 18 |
| RPKI valid | 73% (110 / 150) |
| Upstreams and peers | 93 |
| Downstream networks | 656 |
| Website | tatacommunications.com |
Routing health
- AS6453 announces 132 IPv4 and 18 IPv6 prefixes.
- 9 of 150 announced prefixes are RPKI invalid: 82.194.37.0/24, 193.188.123.0/24, 197.242.48.0/21, 2001:5a0:3f06::/48, 2001:5a0:4604::/48 (+4).
- 110 of 150 announced prefixes are RPKI valid.
- 31 announced prefixes are not covered by a ROA of AS6453 (they may have none, or another network’s).
- 93 upstreams and peers, 656 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 150
- 5.23.0.0/19
- 41.206.160.0/20
- 41.206.176.0/21
- 41.206.184.0/23
- 41.206.188.0/23
- 43.241.40.0/22
- 43.241.40.0/24
- 43.241.41.0/24
- 43.241.42.0/24
- 45.231.24.0/22
- 45.231.26.0/24
- 59.163.231.0/24
- 63.243.128.0/17
- 64.7.112.0/20
- 64.86.0.0/16
- 66.110.0.0/17
- 66.110.0.0/18
- 66.110.40.0/21
- 66.110.40.0/23
- 66.110.41.0/24
- 66.110.42.0/23
- 66.110.44.0/23
- 66.110.46.0/23
- 66.110.64.0/20
- 66.110.80.0/21
- 66.110.96.0/19
- 66.198.0.0/19
- 66.198.32.0/20
- 66.198.56.0/21
- 66.198.64.0/20
- 66.198.80.0/21
- 66.198.81.0/24
- 66.198.96.0/19
- 66.198.128.0/18
- 77.69.141.0/24
- 77.69.166.0/24
- 77.69.214.0/24
- 80.231.0.0/16
- 80.231.8.0/21
- 80.231.11.0/24
- 80.231.56.0/24
- 80.231.71.0/24
- 80.231.93.0/24
- 80.231.94.0/24
- 80.231.136.0/24
- 80.231.155.0/24
- 80.231.218.0/24
- 80.231.235.0/24
- 82.194.37.0/24
- 88.201.104.0/24
- 103.16.252.0/22
- 103.21.80.0/24
- 104.161.12.0/23
- 115.108.48.0/20
- 115.108.48.0/24
- 115.108.49.0/24
- 115.108.58.0/24
- 115.108.59.0/24
- 115.112.168.0/23
- 116.0.64.0/19
- 116.0.70.0/24
- 116.0.76.0/24
- 116.0.82.0/24
- 116.0.93.0/24
- 120.29.192.0/19
- 120.29.209.0/24
- 120.29.219.0/24
- 138.104.226.0/24
- 138.104.227.0/24
- 138.104.233.0/24
- 138.104.236.0/24
- 162.213.98.0/24
- 162.213.100.0/24
- 174.35.119.0/24
- 180.87.0.0/17
- 180.87.35.0/24
- 180.87.57.0/24
- 180.87.65.0/24
- 180.87.66.0/24
- 180.87.88.0/21
- 180.87.88.0/24
- 180.87.90.0/24
- 180.87.99.0/24
- 180.87.101.0/24
- 180.87.125.0/24
- 180.87.128.0/18
- 180.87.130.0/24
- 180.87.142.0/24
- 180.87.151.0/24
- 180.87.185.0/24
- 185.15.13.0/24
- 185.76.100.0/24
- 185.197.252.0/22
- 192.8.121.0/24
- 193.26.192.0/24
- 193.26.193.0/24
- 193.26.196.0/24
- 193.26.197.0/24
- 193.26.198.0/24
- 193.26.200.0/23
Showing the first 100.
RPKI problems
- Invalid 82.194.37.0/24
- Invalid 193.188.123.0/24
- Invalid 197.242.48.0/21
- Invalid 2001:5a0:3f06::/48
- Invalid 2001:5a0:4604::/48
- Invalid 2001:5a0:9000::/36
- Invalid 2405:2000:2001::/48
- Invalid 2405:2000:2104::/48
- Invalid 2405:2000:fe00::/40
Upstreams and peers 93
The networks RIPE RIS sees next to AS6453 in BGP paths, the most visible first.
- AS1299 Arelion (Twelve99)
- AS174 Cogent Communications, Inc.
- AS3356 Lumen AS3356
- AS6939 Hurricane Electric
- AS2914 NTT Global IP Network
- AS4755 Tata Communications AS4755
- AS37282 MainOne Cable Company
- AS49434 FBW Networks
- AS35280 F5 Inc.
- AS9002 RETN
- AS3257 GTT Communications (AS3257)
- AS3320 Deutsche Telekom
Peering
Peering policy: Restrictive. Suggested max-prefix limits: 500,000 IPv4, 160,000 IPv6. PeeringDB record
Facilities 104
| Facility | City | Country |
|---|---|---|
| 1-DC EU | Warsaw | PL |
| 165 Halsey Meet-Me Room | Newark | US |
| 1GServers Data Center PHX1 | Phoenix | US |
| AIMS Kuala Lumpur | Kuala Lumpur | MY |
| AT TOKYO (CC1/CC2) | Tokyo | JP |
| C21 | Milan | IT |
| CE Colo Prague | Prague | CZ |
| Chief LY Building Taipei | Taipei | TW |
| CHT Taipei Banqiao IDC | New Taipei City | TW |
| Cologix JAX1 | Jacksonville | US |
| Cologix MTL11 | Montreal | CA |
| Cologix MTL3 | Montreal | CA |
| CoreSite - Denver (DE1) | Denver | US |
| CoreSite - Los Angeles (LA1) One Wilshire | Los Angeles | US |
| CoreSite - Secaucus (NY2) | Secaucus | US |
| Dataplex Budapest | Budapest | HU |
| DigiCo Sydney SYD1 (formerly Global Switch Australia) | Sydney | AU |
| Digital Realty AMS9 - Amsterdam | Amsterdam | NL |
| Digital Realty ATL13 - Atlanta | Atlanta | US |
| Digital Realty BRU1 - Brussels | Brussels | BE |
| Digital Realty Copenhagen CPH1-3 | Copenhagen | DK |
| Digital Realty Frankfurt FRA1-27 | Frankfurt | DE |
| Digital Realty Madrid MAD1-2 | Madrid | ES |
| Digital Realty Marseille MRS1/2/3/4 | Marseille | FR |
| Digital Realty NYC (111 8th Ave) | New York | US |
| Digital Realty NYC (60 Hudson) | New York | US |
| Digital Realty Seattle SEA10 | Seattle | US |
| Digital Realty Singapore SIN10 | Singapore | SG |
| Digital Realty VIE1/2 - Vienna | Vienna | AT |
| EdgeConneX Portland (EDCPOR01) | Hillsboro | US |
| Equinix AM7 - Amsterdam, Kuiperberweg | Amsterdam | NL |
| Equinix BA1 - Barcelona | Barcelona | ES |
| Equinix CH1/CH2/CH4 - Chicago | Chicago | US |
| Equinix DA2 - Dallas | Dallas | US |
| Equinix DA4 - Dallas | Dallas | US |
| Equinix DC1-DC15,DC21-DC22 - Ashburn | Ashburn | US |
| Equinix FR5 - Frankfurt, KleyerStrasse | Frankfurt | DE |
| Equinix HK1 - Hong Kong | Tsuen Wan | HK |
| Equinix JH1 - Johor | Iskandar Puteri | MY |
| Equinix LA1 - Los Angeles | Los Angeles | US |
| Equinix LD5 - London, Slough | Slough | GB |
| Equinix LD8 - London, Docklands | London | GB |
| Equinix LS1 - Lisbon | Lisbon | PT |
| Equinix MD2 - Madrid | Alcobendas | ES |
| Equinix MI1 - Miami, NOTA | Miami | US |
| Equinix NY9 - New York, 111 8th Avenue | New York | US |
| Equinix OS1 - Osaka | Osaka | JP |
| Equinix PA2 - Paris, Saint-Denis | Paris | FR |
| Equinix SG1 - Singapore | Singapore | SG |
| Equinix SG2 - Singapore | Singapore | SG |
| Equinix SG3 - Singapore | Singapore | SG |
| Equinix SK1 - Stockholm, Bromma | Stockholm | SE |
| Equinix SP2 - São Paulo | Barueri | BR |
| Equinix SP4 - São Paulo | Barueri | BR |
| Equinix SV1/SV5/SV10 - Silicon Valley, San Jose | San Jose | US |
| Equinix SV8 - Silicon Valley, Palo Alto | Palo Alto | US |
| Equinix SY1/SY2 - Sydney | Sydney | AU |
| Equinix TR1 - Toronto | Toronto | CA |
| Equinix TY2 - Tokyo | Tokyo | JP |
| Equinix TY9 - Tokyo | Tokyo | JP |
| Equinix ZH2 - Zurich | Zurich | CH |
| Espanix Datacenter | Madrid | ES |
| EvoSwitch WDC1 | Manassas | US |
| Global Switch Singapore | Singapore | SG |
| Internexa Bogota Bog Zetta | Bogota | CO |
| Iron Mountain Data Center - Amsterdam (AMS-1) | Amsterdam | NL |
| ITENOS Frankfurt (FRA1) | Frankfurt | DE |
| JasTel Data Center (Thailand) | Nonthaburi | TH |
| KINX Bundang | Seongnam | KR |
| KINX Dogok | Seoul | KR |
| Laredo VTX | Laredo | US |
| LuxConnect DC1.1 - Bettembourg | Bettembourg | LU |
| MDC McAllen | McAllen | US |
| MEGA Two (iAdvantage Hong Kong) | Hong Kong | HK |
| MEGA-i (iAdvantage Hong Kong) | Hong Kong | HK |
| Namex Datacenter Rome | Rome | IT |
| Netia Warsaw (WARSC001) | Warsaw | PL |
| Netrality Kansas City - 1102 Grand | Kansas City | US |
| Netrality St. Louis - 210 N Tucker | St. Louis | US |
| NeutraDC SNG-3 | Singapore | SG |
| NIKHEF Amsterdam | Amsterdam | NL |
| NJFX | Wall | US |
| NXDATA-1 Bucharest (BUH1) | Bucharest | RO |
| PhoenixNAP | Phoenix | US |
| Retelit Avalon 1 | Milan | IT |
| STTGDC BKK1 | Bangkok | TH |
| STTGDC SIN5 | Singapore | SG |
| Switch Las Vegas | Las Vegas | US |
| TATA Communications - Emi Cable Landing Station | Emi | JP |
| TATA Communications - Piti Cable Landing Station | Piti | GU |
| TATA Communications - Toyohashi Cable Landing Station | Toyohashi City | JP |
| TATA Communications Chennai | Chennai | IN |
| TATA Communications Mumbai | Mumbai | IN |
| TATA Communications Stratford | London | GB |
| Telehouse - London (Docklands East) | London | GB |
| Telehouse - London (Docklands North) | London | GB |
| Telehouse - Paris 1 (Jeûneurs) | Paris | FR |
| Telehouse - Paris 2 (Voltaire - Léon Frot) | Paris | FR |
| Telehouse – TOKYO Otemachi (KDDI Otemachi) | Tokyo | JP |
| TELEPOINT Sofia Centre | Sofia | BG |
| Teraco Johannesburg Campus, South Africa | Johannesburg | ZA |
| TM ONE KVDC, Cyberjaya | Cyberjaya | MY |
| UltraEdge Paris - Courbevoie | Paris | FR |
| Vaultica Data Centers | OSL01 | Oslo | NO |
More about AS6453
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 19:22 UTC. The country is where the AS number was registered, not necessarily where the network operates.