Autonomous System

AS45773 HEC

GovernmentActivePakistanAPNIC

AS45773 (HECPERN-AS-PK) is a government network operated by HEC in Pakistan, registered with APNIC. It has 51 IPv4 prefixes with 14,080 addresses and 45 IPv6 prefixes, which makes it the 8,507th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses14,080in 51 prefixes
IPv6 prefixes45≈ 1.6 × 10²⁹ addresses
Size rank#8,507of 82,200 active ASNs
Abuser scoreElevated1.46% of its addresses flagged · method

Details

OrganizationHEC
AS nameHECPERN-AS-PK
Websitehec.gov.pk
Country Pakistan (PK)
Network typeGovernment
RegistryAPNIC
Abuse contactwakhan@hec.gov.pk
Registered—
Last updated2026-08-22

IPv4 prefixes

51 prefixes · 14,080 addresses
NetworkAddressesFirst – last address
121.52.152.0/23512121.52.152.0 – 121.52.153.255
121.52.158.0/23512121.52.158.0 – 121.52.159.255
165.99.206.0/23512165.99.206.0 – 165.99.207.255
165.101.126.0/23512165.101.126.0 – 165.101.127.255
45.64.24.0/2425645.64.24.0 – 45.64.24.255
45.64.25.0/2425645.64.25.0 – 45.64.25.255
45.64.26.0/2425645.64.26.0 – 45.64.26.255
45.64.27.0/2425645.64.27.0 – 45.64.27.255
103.4.92.0/24256103.4.92.0 – 103.4.92.255
103.4.93.0/24256103.4.93.0 – 103.4.93.255
103.4.94.0/24256103.4.94.0 – 103.4.94.255
103.4.95.0/24256103.4.95.0 – 103.4.95.255
103.139.122.0/24256103.139.122.0 – 103.139.122.255
103.139.124.0/24256103.139.124.0 – 103.139.124.255
103.139.125.0/24256103.139.125.0 – 103.139.125.255
111.68.96.0/24256111.68.96.0 – 111.68.96.255
111.68.97.0/24256111.68.97.0 – 111.68.97.255
111.68.98.0/24256111.68.98.0 – 111.68.98.255
111.68.99.0/24256111.68.99.0 – 111.68.99.255
111.68.100.0/24256111.68.100.0 – 111.68.100.255
111.68.101.0/24256111.68.101.0 – 111.68.101.255
111.68.102.0/24256111.68.102.0 – 111.68.102.255
111.68.103.0/24256111.68.103.0 – 111.68.103.255
111.68.104.0/24256111.68.104.0 – 111.68.104.255
111.68.105.0/24256111.68.105.0 – 111.68.105.255
The 25 largest of 51. The API and the database have all of them.

IPv6 prefixes

45 prefixes
  • 2400:fc00::/32
  • 2404:e2c0::/32
  • 2400:fc00:20::/44
  • 2400:fc00:60::/44
  • 2400:fc00:e40::/44
  • 2400:fc00:4000::/44
  • 2400:fc00:4010::/44
  • 2400:fc00:4020::/44
  • 2400:fc00:40b0::/44
  • 2400:fc00:4100::/44
  • 2400:fc00:42c0::/44
  • 2400:fc00:4310::/44
  • 2400:fc00:4540::/44
  • 2400:fc00:45d0::/44
  • 2400:fc00:4a00::/44
  • 2400:fc00:4bf0::/44
  • 2400:fc00:4c00::/44
  • 2400:fc00:8010::/44
  • 2400:fc00:8030::/44
  • 2400:fc00:8060::/44
  • 2400:fc00:8070::/44
  • 2400:fc00:80b0::/44
  • 2400:fc00:8120::/44
  • 2400:fc00:82f0::/44
  • 2400:fc00:8540::/44
The 25 largest of 45. The API and the database have all of them.

Query AS45773 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=AS45773&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS45773, with or without a key:

curl "https://api.ipapi.is/?q=121.52.152.1"

Largest networks in Pakistan