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AS numbers

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.

NameSingTel Optus
Registry handleOPTUSCOM-AS01-AU
Registry (RIR)APNIC
CountryAustralia (AU)
Delegated on1997-02-03
Network typeNSP, Australia
Peering policySelective
IRR as-setAPNIC::AS7474:AS-OPTUS
Prefixes (IPv4 / IPv6)158 / 6
RPKI valid52% (86 / 164)
Upstreams and peers13
Downstream networks192
Websiteoptus.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.

Peering

Peering policy: Selective. Suggested max-prefix limits: 80,000 IPv4, 20,000 IPv6. PeeringDB record

Facilities 12
FacilityCityCountry
DigiCo Sydney SYD1 (formerly Global Switch Australia)SydneyAU
Equinix ME1/ME2 - MelbourneMelbourneAU
Equinix SY1/SY2 - SydneySydneyAU
Equinix SY3 - SydneySydneyAU
NEXTDC B1BrisbaneAU
NEXTDC B2Fortitude ValleyAU
NEXTDC M1MelbourneAU
NEXTDC P2PerthAU
NEXTDC S1SydneyAU
NEXTDC S2Macquarie ParkAU
NEXTDC S3ArtarmonAU
Optus UltimoSydneyAU

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.