AS151100 RailTel Corporation is an Internet Service Provider

RAILTEL-AS-IN - RailTel Corporation is an Internet Service Provider · registered in India

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in India#1,131largest network in IN by IPv4 space, of 2,914 · <0.01% of IN

Rank worldwide#39,331of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryIndia2,940 ASNs registered there

Open AS151100 in ASN lookup Look up an IP in this network (218.185.252.1) All networks in India

IPv4 prefixes

All 1 prefix, in address order.

218.185.252.0/22

Other ASNs named RailTel Corporation is an Internet Service Provider

1 other network uses the same organisation name; together with AS151100 they announce 7,936 IPv4 addresses.

ASNNameIPv4 addresses

AS135750RAILTEL-IN - RailTel Corporation is an Internet Service Provider. IN6,912

Similar-sized networks in India

ASNNameIPv4 addresses

AS150015#1128 AS150015-9 - IRINN AS-BLOCK1,024

AS150609#1129 TELEIND-AS-IN - TELEINDIA NETWORKS PRIVATE LIMITED1,024

AS150650#1130 NEXOTEL-AS-IN - Nexotel Pvt Ltd1,024

AS151768#1132 GSMART-AS-IN - Green Smart Infracon Private Limited1,024

AS152502#1133 OSVPL-AS-IN - OS VENTURES PRIVATE LIMITED1,024

AS153228#1134 WEBTELEN-AS-IN - WEBTEL ENTERPRISE SOLUTIONS PRIVATE LIMITED1,024

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