121.240.0.0/13

TATACOMM-IN IPv4 India ALLOCATED PORTABLE AS4755

Registration

APNIC

Range: 121.240.0.0 to 121.247.255.255
CIDR: 121.240.0.0/13
Addresses: 524,288
Net name: TATACOMM-IN
Description: Internet Service Provider TATA Communications formerly VSNL is Leading ISP, Data and Voice Carrier in India
Holder: Tata Communications Limited ORG-TCL6-AP
Status: ALLOCATED PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Covered by 121.240.0.0/16 from AS4755 TATA Communications formerly VSNL is Leading ISP. RPKI valid

More specific assignments

First 250

Range	Net name	Country
121.240.174.0 - 121.240.174.255	WIPRO-TAATAC	IN
121.241.39.144 - 121.241.39.151	WIPRO-TATAC	IN
121.243.64.0 - 121.243.64.3	NELCO-IDC	IN
121.243.64.4 - 121.243.64.7	MUMBAI-LVSB	IN
121.243.65.0 - 121.243.65.63	COOKE_COMMERCIAL_PVT_LTD_PANJIM	IN
121.243.72.0 - 121.243.72.3	JAYPEE_HOTELS_AGRA	IN
121.243.72.4 - 121.243.72.7	SOFTWARE_TECHNOLOGY_PARKS_OF_INDIA_STPI_DEHRADUN	IN
121.243.72.8 - 121.243.72.11	AGILESERVICE_LUCKNOW	IN
121.243.72.12 - 121.243.72.15	VISNOVA_SOLUTIONS_PVT_LTD_NOIDA	IN
121.243.72.16 - 121.243.72.19	DURABLE_MEDICAL_EQUIPMENT_PVT_LTD_UDAIPUR	IN
121.243.72.48 - 121.243.72.51	INOX_GLOBAL_SERVICES_LTD_GURGAON	IN
121.243.73.0 - 121.243.73.127	JAYPEE_HOTELS_AGRA	IN
121.243.73.128 - 121.243.73.143	SOFTWARE_TECHNOLOGY_PARKS_OF_INDIA_STPI_DEHRADUN	IN
121.243.73.160 - 121.243.73.191	AGILESERVICE_LUCKNOW	IN
121.243.73.192 - 121.243.73.207	VISNOVA_SOLUTIONS_PVT_LTD_NOIDA	IN
121.243.73.208 - 121.243.73.223	PHISTREAM_CONSULTING_LTD_NOIDA	IN
121.243.74.192 - 121.243.74.255	INOX_GLOBAL_SERVICES_LTD_GURGAON	IN
121.243.77.0 - 121.243.77.15	DECISION_SOFTWARE_PVTLTD_NASIK	IN
121.243.80.0 - 121.243.80.63	OLAM_INFORMATION_SERVICES_CHENNAI-VSB	IN
121.243.80.232 - 121.243.80.235	OLAM_INFORMATION_SERVICES_CHENNAI-VSB	IN
121.243.86.0 - 121.243.86.3	GFIVE_SOLUTION_PVT_LTD_BELGAUM	IN
121.243.86.8 - 121.243.86.11	R_R_ETHERNAL_INSTACC_SANJAYNAGAR	IN
121.243.87.0 - 121.243.87.15	GFIVE_SOLUTION_PVT_LTD_BELGAUM	IN
121.243.87.32 - 121.243.87.63	INFOSYS_BPO_LTD_SANJAYNAGAR	IN
121.243.87.64 - 121.243.87.79	R_R_ETHERNAL_INSTACC_SANJAYNAGAR	IN
121.243.96.8 - 121.243.96.11	RELIANCE_INDUSTRIES_LTD_RAJKOT	IN
121.243.96.36 - 121.243.96.39	PHILLIPS_CARBON_BLACK_LTD_RAJKOT	IN
121.243.96.40 - 121.243.96.47	KOTAK_MAHINDRA_AHMEDABAD	IN
121.243.96.48 - 121.243.96.51	HI-TECH_OUTSOURCING_SERVICES_GANDHINAGAR	IN
121.243.96.52 - 121.243.96.55	PCBL_PALEJ_BARODA	IN
121.243.96.60 - 121.243.96.63	KOTAK_SECURITIES_LTD_SURAT	IN
121.243.96.64 - 121.243.96.67	KOTAK_MAHINDRA_BANK_SURAT	IN
121.243.96.68 - 121.243.96.71	TATA_STEEL_SHAPATH	IN
121.243.96.72 - 121.243.96.75	TATA_STEEL_SHAPATH	IN
121.243.96.76 - 121.243.96.79	HI-TECH_OUTSOURCING_SERVICES_AHMEDABAD	IN
121.243.97.128 - 121.243.97.159	RELIANCE_INDUSTRIES_LTD_RAJKOT	IN
121.243.97.192 - 121.243.97.223	RELIANCE_INDUSTRIES_LTD_RAJKOT	IN
121.243.99.36 - 121.243.99.39	KOTAK_MAHINDRA_BANK_LTD_JALANDHAR	IN
121.243.99.40 - 121.243.99.43	KOTAK_MAHINDRA_BANK_LTD_AMRITSAR	IN
121.244.128.232 - 121.244.128.239	WIPRPO-TATAC	IN
121.245.0.0 - 121.245.0.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.1.0 - 121.245.1.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.2.0 - 121.245.2.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.3.0 - 121.245.3.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.4.0 - 121.245.4.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.5.0 - 121.245.5.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.6.0 - 121.245.6.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.7.0 - 121.245.7.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.8.0 - 121.245.8.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.9.0 - 121.245.9.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.10.0 - 121.245.10.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.11.0 - 121.245.11.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.12.0 - 121.245.12.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.13.0 - 121.245.13.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.14.0 - 121.245.14.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.15.0 - 121.245.15.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.16.0 - 121.245.16.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.17.0 - 121.245.17.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.18.0 - 121.245.18.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.19.0 - 121.245.19.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.20.0 - 121.245.20.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.21.0 - 121.245.21.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.22.0 - 121.245.22.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.23.0 - 121.245.23.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.24.0 - 121.245.24.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.25.0 - 121.245.25.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.26.0 - 121.245.26.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.27.0 - 121.245.27.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.28.0 - 121.245.28.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.29.0 - 121.245.29.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.30.0 - 121.245.30.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.31.0 - 121.245.31.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.32.0 - 121.245.32.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.33.0 - 121.245.33.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.34.0 - 121.245.34.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.35.0 - 121.245.35.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.36.0 - 121.245.36.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.37.0 - 121.245.37.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.38.0 - 121.245.38.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.39.0 - 121.245.39.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.40.0 - 121.245.40.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.41.0 - 121.245.41.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.42.0 - 121.245.42.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.43.0 - 121.245.43.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.44.0 - 121.245.44.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.45.0 - 121.245.45.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.46.0 - 121.245.46.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.47.0 - 121.245.47.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.48.0 - 121.245.48.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.49.0 - 121.245.49.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.50.0 - 121.245.50.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.51.0 - 121.245.51.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.52.0 - 121.245.52.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.53.0 - 121.245.53.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.54.0 - 121.245.54.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.55.0 - 121.245.55.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.56.0 - 121.245.56.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.57.0 - 121.245.57.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.58.0 - 121.245.58.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.59.0 - 121.245.59.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.60.0 - 121.245.60.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.61.0 - 121.245.61.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.62.0 - 121.245.62.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.63.0 - 121.245.63.255	TATA_TELESERVICES_LTD_HYDERABAD-VSB	IN
121.245.64.0 - 121.245.64.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.65.0 - 121.245.65.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.66.0 - 121.245.66.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.67.0 - 121.245.67.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.68.0 - 121.245.68.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.69.0 - 121.245.69.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.70.0 - 121.245.70.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.71.0 - 121.245.71.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.72.0 - 121.245.72.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.73.0 - 121.245.73.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.74.0 - 121.245.74.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.75.0 - 121.245.75.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.76.0 - 121.245.76.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.77.0 - 121.245.77.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.78.0 - 121.245.78.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.79.0 - 121.245.79.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.80.0 - 121.245.80.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.81.0 - 121.245.81.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.82.0 - 121.245.82.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.83.0 - 121.245.83.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.84.0 - 121.245.84.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.85.0 - 121.245.85.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.86.0 - 121.245.86.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.87.0 - 121.245.87.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.88.0 - 121.245.88.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.89.0 - 121.245.89.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.90.0 - 121.245.90.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.91.0 - 121.245.91.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.92.0 - 121.245.92.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.93.0 - 121.245.93.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.94.0 - 121.245.94.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.95.0 - 121.245.95.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.96.0 - 121.245.96.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.97.0 - 121.245.97.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.98.0 - 121.245.98.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.99.0 - 121.245.99.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.100.0 - 121.245.100.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.101.0 - 121.245.101.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.102.0 - 121.245.102.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.103.0 - 121.245.103.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.104.0 - 121.245.104.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.105.0 - 121.245.105.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.106.0 - 121.245.106.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.107.0 - 121.245.107.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.108.0 - 121.245.108.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.109.0 - 121.245.109.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.110.0 - 121.245.110.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.111.0 - 121.245.111.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.112.0 - 121.245.112.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.113.0 - 121.245.113.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.114.0 - 121.245.114.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.115.0 - 121.245.115.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.116.0 - 121.245.116.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.117.0 - 121.245.117.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.118.0 - 121.245.118.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.119.0 - 121.245.119.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.120.0 - 121.245.120.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.121.0 - 121.245.121.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.122.0 - 121.245.122.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.123.0 - 121.245.123.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.124.0 - 121.245.124.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.125.0 - 121.245.125.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.126.0 - 121.245.126.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.127.0 - 121.245.127.255	TATA_TELESERVICES_LTD_DELHI-VSB	IN
121.245.128.0 - 121.245.128.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.129.0 - 121.245.129.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.130.0 - 121.245.130.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.131.0 - 121.245.131.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.132.0 - 121.245.132.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.133.0 - 121.245.133.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.134.0 - 121.245.134.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.135.0 - 121.245.135.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.136.0 - 121.245.136.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.137.0 - 121.245.137.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.138.0 - 121.245.138.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.139.0 - 121.245.139.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.140.0 - 121.245.140.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.141.0 - 121.245.141.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.142.0 - 121.245.142.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.143.0 - 121.245.143.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.144.0 - 121.245.144.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.145.0 - 121.245.145.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.146.0 - 121.245.146.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.147.0 - 121.245.147.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.148.0 - 121.245.148.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.149.0 - 121.245.149.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.150.0 - 121.245.150.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.151.0 - 121.245.151.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.152.0 - 121.245.152.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.153.0 - 121.245.153.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.154.0 - 121.245.154.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.155.0 - 121.245.155.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.156.0 - 121.245.156.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.157.0 - 121.245.157.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.158.0 - 121.245.158.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.159.0 - 121.245.159.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.160.0 - 121.245.160.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.161.0 - 121.245.161.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.162.0 - 121.245.162.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.163.0 - 121.245.163.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.164.0 - 121.245.164.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.165.0 - 121.245.165.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.166.0 - 121.245.166.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.167.0 - 121.245.167.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.168.0 - 121.245.168.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.169.0 - 121.245.169.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.170.0 - 121.245.170.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.171.0 - 121.245.171.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.172.0 - 121.245.172.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.173.0 - 121.245.173.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.174.0 - 121.245.174.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.175.0 - 121.245.175.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.176.0 - 121.245.176.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.177.0 - 121.245.177.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.178.0 - 121.245.178.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.179.0 - 121.245.179.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.180.0 - 121.245.180.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.181.0 - 121.245.181.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.182.0 - 121.245.182.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.183.0 - 121.245.183.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.184.0 - 121.245.184.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.185.0 - 121.245.185.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.186.0 - 121.245.186.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.187.0 - 121.245.187.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.188.0 - 121.245.188.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.189.0 - 121.245.189.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.190.0 - 121.245.190.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.245.191.0 - 121.245.191.255	TATA_TELESERVICES_LTD_MUMBAI-LVSB	IN
121.246.4.0 - 121.246.4.255	RBU-DYNAMIC_TTSL-KLK	IN
121.246.5.0 - 121.246.5.255	RBU-DYNAMIC_TOLLYGUNGE	IN
121.246.6.0 - 121.246.6.255	RBU-DYNAMIC_TIDELPARK	IN
121.246.7.0 - 121.246.7.255	RBU-DYNAMIC_KARAN-I	IN
121.246.8.0 - 121.246.8.255	RBU-DYNAMIC_DELHI-VSB	IN
121.246.9.0 - 121.246.9.255	RBU-DYNAMIC_PRATIKSHA	IN
121.246.10.0 - 121.246.10.255	RBU-DYNAMIC_TATACENTRE	IN
121.246.11.0 - 121.246.11.255	RBU-DYNAMIC_KORMANGALAMSU	IN
121.246.12.0 - 121.246.12.255	RBU-DYNAMIC_CHENNAI-VSB	IN
121.246.13.0 - 121.246.13.255	RBU-DYNAMIC_CHENNAI-VSB	IN
121.246.14.0 - 121.246.14.255	RBU-DYNAMIC_TTSL-KLK	IN
121.246.15.0 - 121.246.15.255	RBU-DYNAMIC_AIRPORTROAD	IN
121.246.16.0 - 121.246.16.255	RBU-DYNAMIC_KORMANGALAMSU	IN
121.246.17.0 - 121.246.17.255	RBU-DYNAMIC_VASANTHNAGAR	IN
121.246.24.0 - 121.246.24.255	RBU-DYNAMIC_CHENNAI-VSB	IN
121.246.25.0 - 121.246.25.255	RBU-DYNAMIC_CHENNAI-VSB	IN
121.246.26.0 - 121.246.26.255	RBU-DYNAMIC_CHENNAI-VSB	IN
121.246.27.0 - 121.246.27.255	RBU-DYNAMIC_CHENNAI-VSB	IN

WHOIS

inetnum:        121.240.0.0 - 121.247.255.255
netname:        TATACOMM-IN
descr:          Internet Service Provider
descr:          TATA Communications formerly VSNL is Leading ISP,
descr:          Data and Voice Carrier in India
country:        IN
org:            ORG-TCL6-AP
status:         ALLOCATED PORTABLE
source:         APNIC

organisation:   ORG-TCL6-AP
org-name:       Tata Communications Limited
country:        IN

Location of the first address

India

Registry country

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/121.240.0.0/13

const res = await fetch('https://ip-fd.net/api/v1/network/121.240.0.0/13', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/network/121.240.0.0/13', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/121.240.0.0/13');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/network/121.240.0.0/13", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.