AS9430 — STPI-NOIDA Software Technology Parks of India,Block-IV
AS9430 announces 29 IPv4 prefixes covering 8,960 addresses and 4 IPv6 prefixes.
About this network
AS9430 (STPI-NOIDA) is held by Software Technology Parks of India, an autonomous body under India's Ministry of Electronics and Information Technology. STPI is unusual in being a government organisation that also holds an all-India ISP licence: it has provided data-communications, internet and leased-line services to IT and software-export units since the early 1990s. The handle points at its Noida (Block-IV) facility.
What it's used for
The AS originates 34 IPv4 prefixes totalling 8,704 addresses, plus 4 IPv6 prefixes (2402:ef09::/32, 2402:ef0f::/32, 2402:ef15::/32 and a /48). Every single IPv4 announcement is a /24, and they are scattered across a wide set of unrelated ranges — 164.164.x, 203.100.x, 203.129.x, 203.190.x, 203.193.x, 161.248.26.0/24, 103.35.120.0/24. That pattern fits STPI's role precisely: it hands small blocks to the IT companies sitting in its parks and gateways around the country, and announces each one individually. The sampled reverse DNS is consistent with that — the two PTRs seen resolve under pugmarks.in, a third-party Indian provider, which is what customer-assigned space looks like rather than the operator's own infrastructure. Only 7 BGP neighbours are observed, so this is a modest gateway network buying transit, not a national carrier.
Notable
- Every IPv4 route is a /24; there is no aggregate anywhere in the announcement set.
- The rDNS that does exist points at a third party's naming, reinforcing that the space is delegated out to hosted units rather than used by STPI itself.
- STPI is a government body with a commercial ISP licence, so it sits on the government/ISP boundary rather than cleanly on either side.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 103.35.120.0/23
- 103.60.156.0/24
- 103.171.96.0/24
- 161.248.26.0/24
- 164.164.32.0/24
- 164.164.126.0/23
- 164.164.184.0/24
- 164.164.187.0/24
- 164.164.190.0/24
- 164.164.192.0/24
- 203.100.66.0/24
- 203.100.68.0/24
- 203.100.70.0/24
- 203.100.78.0/23
- 203.129.208.0/24
- 203.129.220.0/24
- 203.190.128.0/24
- 203.190.131.0/24
- 203.190.132.0/22
- 203.190.136.0/24
- 203.190.139.0/24
- 203.190.144.0/24
- 203.190.150.0/24
- 203.190.153.0/24
- 203.190.154.0/24
- 203.193.132.0/24
- 203.193.166.0/24
- 203.193.170.0/24
- 203.193.179.0/24
- 2402:ef09::/32
- 2402:ef0f::/32
- 2402:ef13:1::/48
- 2402:ef15::/32
Upstream networks
- AS9498 BHARTI Airtel Ltd.
- AS55836 Reliance Jio Infocomm Limited
- AS4755 TATA Communications formerly VSNL is Leading ISP
- AS9730 Bharti Telesonic Ltd
- AS9829 National Internet Backbone
Downstream networks
Adjacent networks
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