121.243.0.0/17

Currently announced by AS4755 Tata Communications AS4755, in the routed prefix 121.243.0.0/17.

Current ASN
AS4755
Tata Communications AS4755
Routed prefix
121.243.0.0/17
Most specific route covering this prefix
ASNs over time
1
1 announcement record
RIR allocation
APNIC
India · 121.240.0.0/13

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 121.243.0.0/17

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
121.243.0.0/17AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing

More specific routes49 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
121.243.0.0/21AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.2.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.3.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.5.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.11.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.12.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.15.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.16.0/21AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.24.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.32.0/21AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.38.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.39.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.40.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.40.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.41.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.44.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.48.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.50.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.59.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.60.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.64.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.66.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.68.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.72.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.76.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.76.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.78.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.80.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.82.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.84.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.86.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.86.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.89.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.94.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.96.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.96.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.98.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.98.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.99.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.100.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.104.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.110.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.112.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.116.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.118.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.120.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.121.0/24AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.126.0/23AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-08 10:26Announcing
121.243.28.0/22AS4755Tata Communications AS4755IndiaBefore monitoring2026-11-05 16:24Stopped

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.