AS7474 SingTel Optus
AS7474 is operated by SingTel Optus and registered with APNIC (AU) since 1997-02-03.
It announces 158 IPv4 and 6 IPv6 prefixes, 52% of them RPKI valid.
RIPE RIS sees 13 upstream and peer networks and 192 downstream networks next to it.
PeeringDB lists it as an NSP network at 12 facilities. Its peering policy is selective.
| Name | SingTel Optus |
|---|---|
| Registry handle | OPTUSCOM-AS01-AU |
| Registry (RIR) | APNIC |
| Country | Australia (AU) |
| Delegated on | 1997-02-03 |
| Network type | NSP, Australia |
| Peering policy | Selective |
| IRR as-set | APNIC::AS7474:AS-OPTUS |
| Prefixes (IPv4 / IPv6) | 158 / 6 |
| RPKI valid | 52% (86 / 164) |
| Upstreams and peers | 13 |
| Downstream networks | 192 |
| Website | optus.com.au/business |
Routing health
- AS7474 announces 158 IPv4 and 6 IPv6 prefixes.
- 6 of 164 announced prefixes are RPKI invalid: 1.44.176.0/22, 1.44.180.0/22, 1.44.184.0/22, 1.44.188.0/22, 124.19.73.0/24 (+1).
- 86 of 164 announced prefixes are RPKI valid.
- 72 announced prefixes are not covered by a ROA of AS7474 (they may have none, or another network’s).
- 13 upstreams and peers, 192 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 164
- 1.44.0.0/16
- 1.44.160.0/23
- 1.44.162.0/23
- 1.44.164.0/23
- 1.44.166.0/23
- 1.44.176.0/22
- 1.44.180.0/22
- 1.44.184.0/22
- 1.44.188.0/22
- 43.247.72.0/24
- 59.154.0.0/16
- 59.154.122.0/23
- 59.154.173.0/24
- 59.154.180.0/24
- 59.154.235.0/24
- 59.154.236.0/22
- 59.154.241.0/24
- 59.154.242.0/23
- 59.154.252.0/23
- 59.154.254.0/24
- 61.88.0.0/17
- 61.88.4.0/24
- 61.88.46.0/24
- 61.88.47.0/24
- 61.88.48.0/22
- 61.88.92.0/22
- 61.88.112.0/23
- 61.88.124.0/23
- 61.88.128.0/18
- 61.88.192.0/20
- 61.88.208.0/21
- 61.88.216.0/22
- 103.20.216.0/24
- 103.77.128.0/24
- 103.105.219.0/24
- 103.112.100.0/24
- 103.133.118.0/24
- 103.133.119.0/24
- 103.142.52.0/24
- 103.154.249.0/24
- 103.155.181.0/24
- 103.225.240.0/23
- 103.237.136.0/24
- 103.237.137.0/24
- 119.225.0.0/16
- 122.98.208.0/22
- 122.98.208.0/24
- 122.98.211.0/24
- 124.19.0.0/17
- 124.19.73.0/24
- 124.19.76.0/22
- 124.19.84.0/22
- 124.19.88.0/21
- 124.19.96.0/24
- 124.19.97.0/24
- 125.63.128.0/17
- 129.192.208.0/24
- 146.144.0.0/21
- 156.50.96.0/24
- 156.50.98.0/24
- 156.50.100.0/23
- 156.50.102.0/23
- 156.50.104.0/23
- 156.50.106.0/23
- 156.50.108.0/23
- 156.50.112.0/22
- 156.50.116.0/22
- 157.23.245.0/24
- 159.99.91.0/24
- 159.151.192.0/24
- 161.43.64.0/18
- 161.43.192.0/18
- 161.43.192.0/20
- 163.127.2.0/23
- 163.127.4.0/22
- 163.127.8.0/22
- 163.127.14.0/23
- 163.127.20.0/23
- 163.127.100.0/23
- 163.127.126.0/24
- 163.127.127.0/24
- 168.252.100.0/24
- 168.252.102.0/24
- 168.252.103.0/24
- 168.252.111.0/24
- 168.252.233.0/24
- 192.65.88.0/22
- 202.129.218.0/24
- 202.139.0.0/17
- 202.139.8.0/23
- 202.139.10.0/23
- 202.139.12.0/23
- 202.139.14.0/23
- 202.139.20.0/22
- 202.139.26.0/24
- 202.139.32.0/24
- 202.139.38.0/24
- 202.139.44.0/24
- 202.139.60.0/24
- 202.139.61.0/24
Showing the first 100.
RPKI problems
- Invalid 1.44.176.0/22
- Invalid 1.44.180.0/22
- Invalid 1.44.184.0/22
- Invalid 1.44.188.0/22
- Invalid 124.19.73.0/24
- Invalid 2405:9000:1405::/48
Upstreams and peers 13
The networks RIPE RIS sees next to AS7474 in BGP paths, the most visible first.
- AS7473 Singapore Telecommunications Limited
- AS3257 GTT Communications (AS3257)
- AS1221 Telstra Corporation Ltd
- AS17828 PNG DataCo Limited
- AS286 GTT Communications (AS286)
- AS3356 Lumen AS3356
- AS2914 NTT Global IP Network
- AS137409 Global Secure Layer
- AS7545 TPG Telecom
- AS38195 Superloop
- AS148968 Falcore Australia Pty Ltd
- AS38561 NTT Australian Domestic Peering Network
Peering
Peering policy: Selective. Suggested max-prefix limits: 80,000 IPv4, 20,000 IPv6. PeeringDB record
| Facility | City | Country |
|---|---|---|
| DigiCo Sydney SYD1 (formerly Global Switch Australia) | Sydney | AU |
| Equinix ME1/ME2 - Melbourne | Melbourne | AU |
| Equinix SY1/SY2 - Sydney | Sydney | AU |
| Equinix SY3 - Sydney | Sydney | AU |
| NEXTDC B1 | Brisbane | AU |
| NEXTDC B2 | Fortitude Valley | AU |
| NEXTDC M1 | Melbourne | AU |
| NEXTDC P2 | Perth | AU |
| NEXTDC S1 | Sydney | AU |
| NEXTDC S2 | Macquarie Park | AU |
| NEXTDC S3 | Artarmon | AU |
| Optus Ultimo | Sydney | AU |
More about AS7474
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 18:59 UTC. The country is where the AS number was registered, not necessarily where the network operates.