Autonomous System
AS4758 National Informatics Centre
GovernmentActiveIndiaAPNIC
AS4758 (NICNET-VSNL-BOARDER-AP) is a government network operated by National Informatics Centre in India, registered with APNIC. It has 173 IPv4 prefixes with 299,520 addresses and 60 IPv6 prefixes, which makes it the 956th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses299,520in 173 prefixes
IPv6 prefixes60≈ 8.7 × 10²⁸ addresses
Size rank#956of 82,200 active ASNs
Details
OrganizationNational Informatics Centre
AS nameNICNET-VSNL-BOARDER-AP
Websitenic.in
Country India (IN)
Network typeGovernment
RegistryAPNIC
Abuse contactabuse@nic.in
Registered—
Last updated2025-07-31
IPv4 prefixes
173 prefixes · 299,520 addresses| Network | Addresses | First – last address |
|---|---|---|
| 164.100.0.0/16 | 65,536 | 164.100.0.0 – 164.100.255.255 |
| 164.100.0.0/17 | 32,768 | 164.100.0.0 – 164.100.127.255 |
| 164.100.128.0/17 | 32,768 | 164.100.128.0 – 164.100.255.255 |
| 164.100.0.0/19 | 8,192 | 164.100.0.0 – 164.100.31.255 |
| 164.100.32.0/19 | 8,192 | 164.100.32.0 – 164.100.63.255 |
| 164.100.64.0/19 | 8,192 | 164.100.64.0 – 164.100.95.255 |
| 164.100.96.0/19 | 8,192 | 164.100.96.0 – 164.100.127.255 |
| 164.100.128.0/19 | 8,192 | 164.100.128.0 – 164.100.159.255 |
| 164.100.160.0/19 | 8,192 | 164.100.160.0 – 164.100.191.255 |
| 164.100.192.0/19 | 8,192 | 164.100.192.0 – 164.100.223.255 |
| 164.100.224.0/19 | 8,192 | 164.100.224.0 – 164.100.255.255 |
| 103.195.208.0/20 | 4,096 | 103.195.208.0 – 103.195.223.255 |
| 164.100.0.0/20 | 4,096 | 164.100.0.0 – 164.100.15.255 |
| 164.100.16.0/20 | 4,096 | 164.100.16.0 – 164.100.31.255 |
| 164.100.48.0/20 | 4,096 | 164.100.48.0 – 164.100.63.255 |
| 164.100.64.0/20 | 4,096 | 164.100.64.0 – 164.100.79.255 |
| 164.100.80.0/20 | 4,096 | 164.100.80.0 – 164.100.95.255 |
| 164.100.96.0/20 | 4,096 | 164.100.96.0 – 164.100.111.255 |
| 164.100.112.0/20 | 4,096 | 164.100.112.0 – 164.100.127.255 |
| 164.100.128.0/20 | 4,096 | 164.100.128.0 – 164.100.143.255 |
| 164.100.144.0/20 | 4,096 | 164.100.144.0 – 164.100.159.255 |
| 164.100.160.0/20 | 4,096 | 164.100.160.0 – 164.100.175.255 |
| 164.100.176.0/20 | 4,096 | 164.100.176.0 – 164.100.191.255 |
| 164.100.192.0/20 | 4,096 | 164.100.192.0 – 164.100.207.255 |
| 164.100.208.0/20 | 4,096 | 164.100.208.0 – 164.100.223.255 |
164.100.0.0/16 164.100.0.0/17 164.100.128.0/17 164.100.0.0/19 164.100.32.0/19 164.100.64.0/19 164.100.96.0/19 164.100.128.0/19 164.100.160.0/19 164.100.192.0/19 164.100.224.0/19 103.195.208.0/20 164.100.0.0/20 164.100.16.0/20 164.100.48.0/20 164.100.64.0/20 164.100.80.0/20 164.100.96.0/20 164.100.112.0/20 164.100.128.0/20 164.100.144.0/20 164.100.160.0/20 164.100.176.0/20 164.100.192.0/20 164.100.208.0/20
The 25 largest of 173. The API and the database have all of them.
IPv6 prefixes
60 prefixes- 2001:4408::/32
- 2001:4408:4000::/40
- 2001:4408:4400::/40
- 2001:4408:4800::/40
- 2001:4408:4a00::/40
- 2001:4408:4b00::/40
- 2001:4408:4c00::/40
- 2001:4408:5800::/40
- 2001:4408:5a00::/40
- 2001:4408:5c00::/40
- 2001:4408:5e00::/40
- 2001:4408:6000::/40
- 2001:4408:6200::/40
- 2001:4408:6600::/40
- 2001:4408:6a00::/40
- 2001:4408:6b00::/40
- 2001:4408:6c00::/40
- 2001:4408:6e00::/40
- 2001:4408:7200::/40
- 2001:4408:7600::/40
- 2001:4408:7800::/40
- 2001:4408:7a00::/40
- 2001:4408:7c00::/40
- 2001:4408:7e00::/40
- 2001:4408:8000::/40
2001:4408::/32 2001:4408:4000::/40 2001:4408:4400::/40 2001:4408:4800::/40 2001:4408:4a00::/40 2001:4408:4b00::/40 2001:4408:4c00::/40 2001:4408:5800::/40 2001:4408:5a00::/40 2001:4408:5c00::/40 2001:4408:5e00::/40 2001:4408:6000::/40 2001:4408:6200::/40 2001:4408:6600::/40 2001:4408:6a00::/40 2001:4408:6b00::/40 2001:4408:6c00::/40 2001:4408:6e00::/40 2001:4408:7200::/40 2001:4408:7600::/40 2001:4408:7800::/40 2001:4408:7a00::/40 2001:4408:7c00::/40 2001:4408:7e00::/40 2001:4408:8000::/40
The 25 largest of 60. The API and the database have all of them.
Query AS4758 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS4758&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS4758, with or without a key:
curl "https://api.ipapi.is/?q=164.100.0.1"
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