subnet.im

AS18229CtrlS

IndiaRegistryAPNICTypeEyeball

As of 10th November 2026, AS18229 (CtrlS), an access network registered in India with APNIC, originates 508 IPv4 prefixes covering 131k addresses and 22 IPv6 prefixes. By IPv4 address space that makes it the 2,068th-largest of the 80,733 networks we see originating IPv4, and the 32nd-largest of 2,964 in India. It is seen behind 19 upstream networks, most often AS9498 (Bharti Airtel Ltd.) and AS4755 (TATA Communications (formerly VSNL)), and in front of 245 downstream networks. 96% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. Over 99% of its routes reach at least 90% of full-feed peers, and 3 prefixes are also originated by another network.

At a glance

IPv4 prefixes

508

IPv6 prefixes

22

IPv4 addresses

131k

IPv6 /64s

270M

Upstream graph

The networks AS18229 is seen behind, one and two hops out, drawn from real AS paths.

AS18229Toward the internet core
Upstream graph for AS18229: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS18229CtrlSThis networkAS174Cogent Communicat…AS4755TATA Communicatio…AS9498Bharti Airtel Ltd.AS55410Vodafone Idea LtdAS55836Reliance Jio Info…AS6453TATA Communicatio…AS35280F5 Networks SARLAS1299Arelion (fka. Tel…AS3491PCCW Global (HK) …AS6939Hurricane Electri…AS1273Vodafone Group PLCAS64049Reliance Jio Info…

Networks observed one and two hops upstream of AS18229 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

544

adjacent networks

Upstreams
193%
Peers
28051%
Downstreams
24545%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS18229
NetworkCountryRelationshipPathsVantage pts
AS9498Bharti Airtel Ltd.INPeer64,488139
AS4755TATA Communications (formerly VSNL)INPeer30,053138
AS55836Reliance Jio Infocomm LimitedINPeer22,840138
AS55410Vodafone Idea LtdINPeer1,811122
AS174Cogent Communications, LLCUSPeer1,51263
AS17660DrukNet ISPBTAdjacent1,2562
AS35280F5 Networks SARLFRPeer1,0576
AS17754ExcellmediaINPeer13158
AS9583Sify LimitedINPeer12175
AS35819Etihad Etisalat (Mobily)SAPeer7575

Prefixes

All 530

The largest blocks AS18229 originates, widest first.

Largest prefixes originated by AS18229
PrefixAddressesVisibility
45.194.2.0/2351276/76
45.194.46.0/2351276/76
154.201.126.0/2351276/76
36.255.3.0/2425676/76
38.31.128.0/2425676/76
38.31.129.0/2425676/76
38.31.131.0/2425676/76
38.31.132.0/2425676/76
38.31.133.0/2425676/76
38.31.134.0/2425676/76

Routing health

How AS18229's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid96.4%511
  • Invalid0.0%0
  • No ROA3.6%19

Propagation

  • Globally propagated90% of full-feed peers or more99.1%525
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.9%5

Prefix sizes

IPv4 — 508 prefixes

IPv6 — 22 prefixes

  • /36268M × /644.5%1
  • /4865.5k × /6495.5%21

Recent changes

Announcements that started or stopped since 12th Oct 2026.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.