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Autonomous System

AS24186 · RailTel Corporation of India Ltd

Overview

AS24186 is announced on the Internet: RIPE RIS route collectors currently see 508 IPv4 prefixes and 133 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 121,088 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 5 upstream neighbours (transit providers or peers) and 25 downstream neighbours (customers or networks it carries). Its most visible upstreams are BHARTI Airtel Ltd. (AS9498), Reliance Jio Infocomm Limited (AS55836), and Vodafone Idea Ltd (AS55410). AS24186 was assigned by APNIC, and its registration country is India.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 1:26 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 112.133.192.1, the first address of 112.133.192.0/18. An address picked inside a prefix may not answer (nothing listens there, or the network filters probes): the trace then shows the path up to the last network that replies.

Announced prefixes

IPv4 prefixes (508 prefixes)

PrefixAddresses
27.0.216.0/221,024
27.0.216.0/24256
27.0.217.0/24256
27.0.220.0/24256
27.0.221.0/24256
27.0.244.0/221,024
27.0.244.0/24256
27.0.245.0/24256
27.0.246.0/24256
27.0.247.0/24256
27.0.249.0/24256
27.111.72.0/221,024
27.111.72.0/24256
27.111.73.0/24256
27.111.74.0/24256
27.112.120.0/221,024
27.112.120.0/24256
27.112.121.0/24256
27.112.122.0/24256
27.112.123.0/24256
27.116.40.0/221,024
27.116.40.0/24256
27.116.41.0/24256
27.116.42.0/24256
27.116.43.0/24256
27.122.60.0/221,024
27.122.60.0/24256
27.122.61.0/24256
27.122.62.0/24256
27.122.63.0/24256
36.255.4.0/221,024
36.255.4.0/24256
36.255.5.0/24256
36.255.6.0/24256
36.255.7.0/24256
36.255.12.0/221,024
36.255.12.0/23512
36.255.12.0/24256
36.255.14.0/24256
36.255.15.0/24256
36.255.16.0/221,024
36.255.16.0/24256
36.255.17.0/24256
36.255.18.0/24256
36.255.19.0/24256
45.115.88.0/221,024
45.115.88.0/24256
45.115.89.0/24256
45.115.90.0/24256
45.115.91.0/24256
45.121.0.0/221,024
45.121.0.0/24256
45.121.1.0/24256
45.121.2.0/24256
45.121.3.0/24256
61.14.230.0/24256
103.15.252.0/221,024
103.15.252.0/24256
103.15.253.0/24256
103.28.244.0/221,024
103.28.244.0/24256
103.28.245.0/24256
103.28.246.0/24256
103.28.247.0/24256
103.30.64.0/221,024
103.30.64.0/24256
103.30.65.0/24256
103.30.66.0/24256
103.30.67.0/24256
103.30.116.0/221,024
103.30.116.0/24256
103.30.117.0/24256
103.30.118.0/24256
103.30.119.0/24256
103.30.176.0/221,024
103.30.176.0/24256
103.30.177.0/24256
103.30.178.0/24256
103.30.179.0/24256
103.55.72.0/221,024
103.55.72.0/24256
103.55.73.0/24256
103.55.74.0/24256
103.55.75.0/24256
103.61.72.0/221,024
103.61.72.0/24256
103.61.73.0/24256
103.61.74.0/24256
103.61.75.0/24256
103.66.72.0/221,024
103.66.72.0/23512
103.66.72.0/24256
103.66.73.0/24256
103.66.74.0/23512
103.66.74.0/24256
103.74.108.0/221,024
103.74.108.0/24256
103.74.110.0/24256
103.76.208.0/221,024
103.76.208.0/24256

Showing the first 100 of 508, in address order. Complete list on RIPEstat

IPv6 prefixes (133 prefixes)

Prefix
2401:b200::/32
2401:b200:9::/48
2401:b200:10::/48
2401:b200:11::/48
2401:b200:12::/48
2401:b200:40::/48
2401:b200:41::/48
2401:b200:42::/48
2401:b200:43::/48
2401:b200:45::/48
2401:b200:4d::/48
2401:b200:4e::/48
2401:b200:4f::/48
2401:b200:54::/48
2401:b200:55::/48
2401:b200:56::/48
2401:b200:57::/48
2401:b200:5c::/48
2401:b200:5e::/48
2401:b200:61::/48
2401:b200:62::/48
2401:b200:64::/48
2401:b200:65::/48
2401:b200:93::/48
2401:b200:94::/48
2401:b200:9a::/48
2401:b200:9c::/48
2401:b200:100::/45
2401:b200:108::/45
2401:b200:110::/45
2401:b200:118::/45
2401:b200:120::/45
2401:b200:128::/45
2401:b200:130::/45
2401:b200:138::/45
2401:b200:140::/45
2401:b200:148::/45
2401:b200:150::/45
2401:b200:158::/45
2401:b200:160::/45
2401:b200:168::/45
2401:b200:170::/45
2401:b200:178::/45
2401:b200:180::/45
2401:b200:188::/45
2401:b200:190::/45
2401:b200:198::/45
2401:b200:2000::/45
2401:b200:2000::/48
2401:b200:2003::/48
2401:b200:2004::/48
2401:b200:2005::/48
2401:b200:2006::/48
2401:b200:2007::/48
2401:b200:2008::/48
2401:b200:2009::/48
2401:b200:200a::/48
2401:b200:200b::/48
2401:b200:200c::/48
2401:b200:200d::/48
2401:b200:200e::/48
2401:b200:200f::/48
2401:b200:2010::/48
2401:b200:2012::/48
2401:b200:2014::/48
2401:b200:2015::/48
2401:b200:2016::/48
2401:b200:2017::/48
2401:b200:2018::/48
2401:b200:201a::/48
2401:b200:201b::/48
2401:b200:201c::/48
2401:b200:201d::/48
2401:b200:201e::/48
2401:b200:201f::/48
2401:b200:2020::/48
2401:b200:2021::/48
2401:b200:2023::/48
2401:b200:2024::/48
2401:b200:2026::/48
2401:b200:2028::/48
2401:b200:202a::/48
2401:b200:202b::/48
2401:b200:202c::/48
2401:b200:202d::/48
2401:b200:202e::/48
2401:b200:202f::/48
2401:b200:2030::/48
2401:b200:2032::/48
2401:b200:2034::/48
2401:b200:2035::/48
2401:b200:2036::/48
2401:b200:2037::/48
2401:b200:2038::/48
2401:b200:2039::/48
2401:b200:203a::/48
2401:b200:203c::/48
2401:b200:203d::/48
2401:b200:203e::/48
2401:b200:203f::/48

Showing the first 100 of 133, in address order. Complete list on RIPEstat

Neighbours

Upstreams (transit or peers) (5)

ASNetworkVisibility
AS9498BHARTI Airtel Ltd.8,586
AS55836Reliance Jio Infocomm Limited3,020
AS55410Vodafone Idea Ltd266
AS9583Sify Limited1
AS9829National Internet Backbone1

Downstreams (customers) (25)

ASNetworkVisibility
AS135750RailTel Corporation is an Internet Service Provider.1,110
AS134334LOTUS BROADBAND PVT LTD644
AS151100RailTel Corporation is an Internet Service Provider541
AS153723MOOGAMBIGAI CHAIRITABLE AND EDUCATIONAL TRUST461
AS135769U R Rao Satellite Centre397
AS134909THE SOUTH INDIAN BANK LTD364
AS133287Andhra Pradesh State FiberNet Limited302
AS151702TAMILNADU FIBRENET CORPORATION LIMITED276
AS152533NATIONAL INSTITUTE OF TECHNOLOGY KARNATAKA273
AS134251EMPLOYEES PROVIDENT FUND ORGANISATION271
AS154966-270
AS154024-269
AS38185-268
AS140704-268
AS151626-268
AS154108-267
AS38799-260
AS140170-251
AS149546-219
AS150638-202
AS132989-189
AS153288-188
AS135764-184
AS140110-72
AS45927-58

5 more neighbours appear on both sides of this network depending on the path, so they are counted in neither list.

Visibility is RIPEstat's count of how often the route collectors observed the link. It compares neighbours with each other; it is not a traffic volume.

How to read this page

An Autonomous System (AS) is a network run under one routing policy: an internet provider, a cloud, a content network, a university. Each one has a number, its ASN, assigned by a regional registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC), and uses BGP, the protocol networks use to tell each other where addresses are, to announce the blocks of addresses it delivers to.

A prefix such as 203.0.113.0/24 is a block of addresses: the number after the slash says how many bits are fixed, so a /24 holds 256 IPv4 addresses and a /16 holds 65,536. Networks often announce a large block and smaller pieces of it at the same time, which is why the address total counts each address once.

Neighbours come from the paths themselves. A network that appears just before this one in a path, on the collector's side, is an upstream: a transit provider or a peer. One that appears just after it is a downstream, usually a customer. Peering at an internet exchange also shows up as an upstream, so the upstream list is not a list of paid transit.

The data comes from RIPEstat, run by the RIPE NCC, which gathers the routing tables of hundreds of networks through its RIS route collectors. This page reads it when it is visited and keeps it for 12 hours at most; the BGP viewer reads it live.

Frequently asked questions

How do I find the ASN of an IP address?
Type the address in the BGP viewer: it shows the prefix that covers it, the AS that originates that prefix and the paths seen towards it. A traceroute also names the network of each hop, so you can see every AS a connection crosses.
Why does one company have several ASNs?
Large operators split their network by region, by activity or by history: a cloud may use one number for its backbone and another for a region, and every acquisition brings its own numbers. Each number has its own page, with its own prefixes and neighbours.
Why do prefix counts differ from one site to another?
Each source sees the routing table from different collectors, at a different time, and counts differently: some include prefixes withdrawn in recent weeks, some merge a block and its pieces. This page counts the prefixes RIPE RIS collectors see originated by the network at the end of the latest two-week window, and counts each IPv4 address once.
Is this the list of IP ranges of a cloud provider?
It is what its networks announce, which is what the Internet routes to them. Many providers also publish an official list of ranges per service and region; that list is the reference for firewall rules, because a range can be announced before it is used, or announced by another of their AS numbers.