A list of all Sri Lanka ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS9329 | ISP & Mobile | 170 | 10 | Sri Lanka Telecom Ltd |
| AS18001 | ISP & Mobile | 138 | 120 | Dialog Axiata Plc |
| AS5087 | ISP & Mobile | 89 | 1 | Lanka Communication Services (Pvt) Ltd. |
| AS45356 | ISP & Mobile | 59 | 6 | Mobitel Pvt Ltd |
| AS17470 | ISP & Mobile | 15 | 6 | Hutchison Telecommunications Lanka (Private) Limited |
| AS38229 | ISP & Mobile | 11 | 1 | Lanka Education and Research Network |
| AS132447 | ISP & Mobile | 8 | 7 | Hutchison Telecommunications Lanka (Private) Limited |
| AS17904 | ISP & Mobile | 4 | 0 | Sri Lanka Telecom Ltd |
| AS132124 | Government | 3 | 0 | Information and Communication Technology Agency of Sri Lanka |
| AS133051 | Other Business | 2 | 0 | COMMERCIAL BANK OF CEYLON PLC |
| AS134824 | Hosting Provider | 2 | 0 | Tekki Pvt Ltd |
| AS139032 | Other Business | 2 | 0 | Nations Trust Banks Plc |
| AS45489 | ISP & Mobile | 1 | 1 | Sri Lanka Telecom Ltd |
| AS136934 | Other Business | 1 | 0 | Bank Of Ceylon |
| AS138984 | ISP & Mobile | 1 | 0 | Sri Lanka Telecom Ltd |
| AS139731 | Other Business | 1 | 0 | Hatton National Bank PLC |
| AS151197 | Hosting Provider | 1 | 0 | OREL I T Private Limited |
| AS151485 | Government | 1 | 0 | CEYLON ELECTRICITY BOARD |
| AS152325 | Other Business | 1 | 0 | LankaPay Pvt Ltd |
| AS153563 | Hosting Provider | 1 | 0 | OREL I T Private Limited |