Autonomous System

AS38031 OptiMax Communication Ltd

ISPActiveBangladeshAPNIC

AS38031 (OPTIMAX-BD-AS-AP) is an ISP network operated by OptiMax Communication Ltd in Bangladesh, registered with APNIC. It has 66 IPv4 prefixes with 34,816 addresses and 18 IPv6 prefixes, which makes it the 5,099th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses34,816in 66 prefixes
IPv6 prefixes18≈ 1.6 × 10²⁹ addresses
Size rank#5,099of 82,200 active ASNs
Abuser scoreElevated1.07% of its addresses flagged · method

Details

OrganizationOptiMax Communication Ltd
AS nameOPTIMAX-BD-AS-AP
Websiteoptimaxbd.net
Country Bangladesh (BD)
Network typeISP
RegistryAPNIC
Abuse contactemdad@optimaxbd.net
Registered—
Last updated2020-05-27

IPv4 prefixes

66 prefixes · 34,816 addresses
NetworkAddressesFirst – last address
61.247.176.0/204,09661.247.176.0 – 61.247.191.255
61.247.176.0/212,04861.247.176.0 – 61.247.183.255
111.221.0.0/212,048111.221.0.0 – 111.221.7.255
114.134.88.0/212,048114.134.88.0 – 114.134.95.255
203.112.72.0/212,048203.112.72.0 – 203.112.79.255
111.221.0.0/221,024111.221.0.0 – 111.221.3.255
111.221.4.0/221,024111.221.4.0 – 111.221.7.255
203.112.72.0/221,024203.112.72.0 – 203.112.75.255
203.112.76.0/221,024203.112.76.0 – 203.112.79.255
61.247.176.0/2351261.247.176.0 – 61.247.177.255
61.247.180.0/2351261.247.180.0 – 61.247.181.255
61.247.182.0/2351261.247.182.0 – 61.247.183.255
61.247.184.0/2351261.247.184.0 – 61.247.185.255
61.247.186.0/2351261.247.186.0 – 61.247.187.255
61.247.188.0/2351261.247.188.0 – 61.247.189.255
103.245.98.0/23512103.245.98.0 – 103.245.99.255
114.134.88.0/23512114.134.88.0 – 114.134.89.255
114.134.90.0/23512114.134.90.0 – 114.134.91.255
114.134.92.0/23512114.134.92.0 – 114.134.93.255
114.134.94.0/23512114.134.94.0 – 114.134.95.255
203.112.72.0/23512203.112.72.0 – 203.112.73.255
203.112.74.0/23512203.112.74.0 – 203.112.75.255
203.112.76.0/23512203.112.76.0 – 203.112.77.255
203.112.78.0/23512203.112.78.0 – 203.112.79.255
61.247.176.0/2425661.247.176.0 – 61.247.176.255
The 25 largest of 66. The API and the database have all of them.

IPv6 prefixes

18 prefixes
  • 2401:d380::/33
  • 2401:d380:8000::/33
  • 2401:d380::/36
  • 2401:d380:1000::/36
  • 2401:d380:2000::/36
  • 2401:d380:3000::/36
  • 2401:d380:4000::/36
  • 2401:d380:5000::/36
  • 2401:d380:6000::/36
  • 2401:d380:7000::/36
  • 2401:d380:8000::/36
  • 2401:d380:9000::/36
  • 2401:d380:a000::/36
  • 2401:d380:b000::/36
  • 2401:d380:c000::/36
  • 2401:d380:d000::/36
  • 2401:d380:e000::/36
  • 2401:d380:f000::/36

Query AS38031 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=AS38031&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS38031, with or without a key:

curl "https://api.ipapi.is/?q=61.247.176.1"

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