以下列表显示了分配给斯里兰卡的 ASN，点击 ASN 以获取更多 IP 地址信息、whois 详细信息。
| ASN | 名称 | IP 数量 |
|---|---|---|
| AS9329 | SLTINT-AS-AP Sri Lanka Telecom Internet | 443648 |
| AS18001 | DIALOG-AS Dialog Axiata PLC. | 333568 |
| AS38229 | LEARN-LK Lanka Education & Research Network | 68608 |
| AS5087 | LANKA-COM Lanka Communication Services | 40448 |
| AS132045 | AIRTEL-AS-ISP Bharti Airtel Lanka Pvt. Limited | 35840 |
| AS45356 | MOBITEL-LK Mobitel Pvt Ltd | 35584 |
| AS45224 | BELLNET-AS-AP Lanka Bell Limited | 30976 |
| AS17904 | SLTASUL-LK Sri Lankan Airlines | 21760 |
| AS17470 | HUTCHISON-LK Hutchison Telecommunications Lanka Private Limited | 7680 |
| AS132447 | HUTCHISON-LK 234 | 4096 |
| AS132124 | ICTA-LK Information and Communication Technology Agency of Sri Lanka | 2304 |
| AS18066 | TCLL-AS-AP Tata Communications Lanka Ltd | 2048 |
| AS45489 | SLT-GLOBAL Sri Lanka Telecom PLC | 1536 |
| AS133051 | CBOCP-AS-AP COMMERCIAL BANK OF CEYLON PLC | 512 |
| AS139032 | NTBP-AS-AP Nations Trust Banks Plc | 512 |
| AS151197 | OITPL-AS-AP OREL I T Private Limited | 512 |
| AS152325 | LANKAPAY-AS-AP LankaPay Pvt Ltd | 256 |
| AS136934 | BOC-AS-AP Bank Of Ceylon | 256 |
| AS131218 | INNODATA-ISOGEN-AS-LK Innodata Lanka Pvt Ltd | 256 |
| AS139731 | HNBP-AS-AP Hatton National Bank PLC | 256 |
| AS204307 | RISHIKESHAN - Rishikeshan Lavakumar | None |
| AS17627 | MTT-AS-AP Dialog Broadband Networks Pvt. Ltd. | None |
| AS17770 | DIALOG-LK Dialog Telekom Plc | None |
| AS45338 | SLIX Sri Lanka Internet Exchange point | None |
| AS45517 | AIRTEL-AS-AP Bharti Airtel Lanka Pvt. Limited | None |
| AS131173 | COLOCIX-IX-AS COLOCIX Internet Exchange | None |
| AS136420 | CUMULUS-AS-AP Dialog Broadband Networks Pvt Ltd. | None |
| AS138984 | SLT-IP-TRANSPORT Sri Lanka Telecom Ltd | None |
| AS151362 | DTV-AS-AP DTV | None |
| AS151485 | CEB-AS-AP CEYLON ELECTRICITY BOARD | None |
自治系统号（ASN）分配给诸如 Internet 服务提供商之类的实体以及控制 IP 地址块的其他大型组织。