AS55566 Inter University Centre for Astronomy and Astrophysics

IUCAA-IN - Inter University Centre for Astronomy and Astrophysics · registered in India

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in India#1,184largest network in IN by IPv4 space, of 2,914 · <0.01% of IN

Rank worldwide#44,736of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryIndia2,940 ASNs registered there

Open AS55566 in ASN lookup Look up an IP in this network (103.117.200.1) All networks in India

IPv4 prefixes

All 2 prefixes, in address order.

103.117.200.0/23
202.52.53.0/24

Similar-sized networks in India

ASNNameIPv4 addresses

AS46068#1181 ZENSAR-TECH-09-AS-AP - Zensar Technologies Ltd768

AS55360#1182 HEADSTRONG-INDIA-AS-AP - Headstrong Services India Pvt. Ltd.768

AS55433#1183 CDAC-NON-AS-AP - Centre for Development of Advanced Computing768

AS55764#1185 BERKMEER-AS-AP - Berkmeer India Private Limited768

AS56290#1186 SOARG-AS-AP - SOARG TECHNOLOGIES PRIVATE LIMITED768

AS58457#1187 GITAM-NETWORK-IN - Gandhi Nagar768

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources