| 2001:c00::/23 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 2001:c20::/32 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20::/32 | WHOIS (APNIC) | SingNet Pte Ltd | SG |
| 2001:c20::/32 | APNIC assigned | — | SG |
| 2001:c20::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:3c00::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:4c00::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:6c00::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:4800::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:5000::/38 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:10::/48 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:18::/48 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:48a0::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48a4::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48a6::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48aa::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48ab::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48ab::/48 | WHOIS (APNIC) | AAREON DEUTSCHLAND GMBH | SG |
| 2001:c20:48ae::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48af::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48b0::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48b5::/48 | WHOIS (APNIC) | SINGAPORE CIVIL DEFENCE FORCE | SG |
| 2001:c20:48b8::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48b9::/48 | BGP route | AS65564 | — |
| 2001:c20:48c2::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48c4::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48c6::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48cc::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48d6::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48d8::/48 | BGP route | AS400696 MIBURA, INC. | — |
| 2001:c20:48da::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48db::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48dc::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48e6::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48e7::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48e8::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:48e9::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:485e::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:485f::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:486c::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:487e::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:488c::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:488d::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:488e::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:488f::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:489a::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:2006::/48 | BGP route | AS3758 SingNet Pte Ltd | — |
| 2001:c20:4849::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4863::/48 | WHOIS (APNIC) | GLOBAL TELECOM SERVICES B.V. | GLOBALINTER.NET | SG |
| 2001:c20:4868::/48 | WHOIS (APNIC) | GLOBAL TELECOM SERVICES B.V. | GLOBALINTER.NET | SG |
| 2001:c20:4871::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4874::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4884::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4887::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4892::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4894::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:4895::/48 | BGP route | AS9255 Singapore Telecom, ConnectPlus | — |
| 2001:c20:7009::/48 | WHOIS (APNIC) | CONTINENTAL AUTOMOTIVE SINGAPORE PTE LTD | SG |
| 2001:c20:8406::/48 | WHOIS (APNIC) | CPG CORPORATION PTE LTD | SG |
| 2001:c20:7800::2/127 | WHOIS (APNIC) | SINGAPORE INSTITUTE TECHNOLOGY | SG |