Skip to content
thenetworkery

AS numbers

AS4637 Telstra (International)

AS4637 is operated by Telstra (International) and registered with APNIC (HK) since 1995-10-30.

It announces 669 IPv4 and 103 IPv6 prefixes, 93% of them RPKI valid.

RIPE RIS sees 102 upstream and peer networks and 548 downstream networks next to it.

PeeringDB lists it as an NSP network at 44 internet exchanges and 42 facilities. Its peering policy is selective.

Run the full network report BGP lookup WHOIS PeeringDB lookup
NameTelstra (International)
Registry handleASN-TELSTRA-GLOBAL
Registry (RIR)APNIC
CountryHong Kong SAR China (HK)
Delegated on1995-10-30
Network typeNSP, Global
Peering policySelective
IRR as-setRADB::AS-TELSTRA-INTL-CUSTOMERS
Prefixes (IPv4 / IPv6)669 / 103
RPKI valid93% (720 / 772)
Upstreams and peers102
Downstream networks548
Websitetelstrainternational.com

Routing health

  • AS4637 announces 669 IPv4 and 103 IPv6 prefixes.
  • 720 of 772 announced prefixes are RPKI valid.
  • 52 announced prefixes are not covered by a ROA of AS4637 (they may have none, or another network’s).
  • 102 upstreams and peers, 548 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 772

  • 5.226.185.0/24
  • 13.142.0.0/16
  • 13.143.0.0/20
  • 13.143.32.0/20
  • 31.58.172.0/23
  • 31.58.174.0/23
  • 31.59.76.0/23
  • 37.153.152.0/24
  • 42.99.128.0/17
  • 42.99.144.0/21
  • 42.99.152.0/21
  • 42.99.168.0/21
  • 42.99.176.0/21
  • 42.99.216.0/23
  • 42.99.224.0/20
  • 42.99.254.0/24
  • 58.145.195.0/24
  • 58.145.196.0/24
  • 58.145.198.0/24
  • 58.145.199.0/24
  • 58.145.200.0/24
  • 58.145.201.0/24
  • 58.145.202.0/24
  • 58.145.203.0/24
  • 58.145.225.0/24
  • 58.145.228.0/24
  • 58.145.234.0/24
  • 61.8.32.0/19
  • 61.8.32.0/22
  • 61.8.32.0/24
  • 61.8.36.0/22
  • 61.8.37.0/24
  • 61.8.40.0/22
  • 61.14.128.0/18
  • 61.14.139.0/24
  • 61.14.165.0/24
  • 61.14.166.0/24
  • 61.14.171.0/24
  • 61.14.186.0/24
  • 61.87.128.0/18
  • 63.133.192.0/21
  • 63.133.200.0/21
  • 63.160.0.0/24
  • 63.160.4.0/23
  • 63.160.32.0/21
  • 63.160.224.0/19
  • 63.161.16.0/20
  • 63.161.224.0/19
  • 63.164.160.0/19
  • 63.172.128.0/19
  • 63.175.32.0/19
  • 64.32.152.0/21
  • 64.50.136.0/21
  • 64.145.128.0/19
  • 64.145.160.0/19
  • 64.145.192.0/19
  • 64.145.224.0/19
  • 65.160.160.0/19
  • 65.161.96.0/19
  • 65.163.96.0/19
  • 65.166.32.0/19
  • 65.166.192.0/19
  • 65.167.0.0/19
  • 65.167.160.0/19
  • 65.170.224.0/19
  • 65.171.32.0/19
  • 65.171.192.0/19
  • 65.173.160.0/19
  • 65.174.32.0/19
  • 66.17.72.0/21
  • 66.200.240.0/20
  • 74.3.0.0/19
  • 74.3.32.0/19
  • 74.3.64.0/19
  • 74.3.96.0/19
  • 81.172.116.0/24
  • 82.21.101.0/24
  • 82.21.134.0/23
  • 82.21.144.0/24
  • 82.29.26.0/24
  • 82.29.75.0/24
  • 88.223.47.0/24
  • 91.209.48.0/24
  • 95.134.136.0/24
  • 95.134.137.0/24
  • 95.134.138.0/24
  • 95.134.139.0/24
  • 95.170.21.0/24
  • 95.170.24.0/24
  • 95.170.31.0/24
  • 95.173.55.0/24
  • 101.167.176.0/23
  • 101.167.178.0/23
  • 101.167.180.0/23
  • 101.167.182.0/23
  • 101.167.184.0/23
  • 101.167.186.0/23
  • 101.167.188.0/22
  • 101.167.192.0/21
  • 101.167.192.0/22

Showing the first 100.

Upstreams and peers 102

The networks RIPE RIS sees next to AS4637 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 120,000 IPv4, 30,000 IPv6. PeeringDB record

Internet exchanges 44
ExchangePortsSpeedRoute server
AKL-IX (Auckland NZ): AKL-IX110GYes
AMS-IX2200GYes
Any2West1100GNo
APE11GNo
BBIX Manila110GYes
BBIX Singapore110GNo
BBIX Thailand: Main110GYes
BBIX Tokyo110GNo
BBIX US-West110GNo
DE-CIX Chennai: DE-CIX Chennai Peering LAN110GYes
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN2200GNo
DE-CIX Mumbai: DE-CIX Mumbai Peering LAN150GYes
DE-CIX New York: DE-CIX New York Peering LAN1100GNo
EdgeIX - Auckland110GYes
Equinix Ashburn130GNo
Equinix Hong Kong110GNo
Equinix Los Angeles1100GNo
Equinix Palo Alto1100GNo
Equinix San Jose1100GNo
Equinix Singapore1200GNo
Equinix Tokyo110GNo
Extreme IX Bangalore110GYes
Extreme IX Chennai: Extreme IX LAN110GYes
France-IX Paris110GNo
GetaFIX Manila: Main120GYes
HKIX: HKIX Peering LAN2200GYes
JPIX OSAKA110GNo
JPIX TOKYO120GNo
JPNAP Osaka110GNo
KINX110GYes
LINX LON1: Main1100GNo
LINX LON2130GNo
MyIX110GYes
Netnod Copenhagen BLUE -- MTU9K: 9K-BLUE110GNo
Netnod Copenhagen GREEN -- MTU9K: 9K-GREEN110GNo
NIXI Chennai11GNo
NIXI Delhi110GYes
NIXI Mumbai110GYes
OpenIXP / NiCE110GNo
PhOpenIX-Manila110GYes
SH-IX110GYes
THAILAND IX (TH-IX)110GYes
TPIX-TW120GYes
UAE-IX: UAE-IX Peering LAN110GNo
Facilities 42
FacilityCityCountry
AIMS Kuala LumpurKuala LumpurMY
AT TOKYO (CC1/CC2)TokyoJP
AT TOKYO (DC12 NTT DATA Dojima(building #4))OsakaJP
BDx SIN1 - SingaporeSingaporeSG
Chief LY Building TaipeiTaipeiTW
CoreSite - Los Angeles (LA1) One WilshireLos AngelesUS
CoreSite - Secaucus (NY2)SecaucusUS
DataCentre220AucklandNZ
Digital Edge SEL1 - SeoulGangnam-guKR
Digital Edge TYO2 (ComSpace 1) - TokyoTokyoJP
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUS
Equinix DX1 - DubaiDubaiAE
Equinix FR5 - Frankfurt, KleyerStrasseFrankfurtDE
Equinix HK1 - Hong KongTsuen WanHK
Equinix HK2 - Hong KongKwai ChungHK
Equinix LA1 - Los AngelesLos AngelesUS
Equinix MB2 - Mumbai (GPX Mumbai 2)MumbaiIN
Equinix OS1 - OsakaOsakaJP
Equinix PA4 - Paris, PantinParisFR
Equinix SG1 - SingaporeSingaporeSG
Equinix SL1 - SeoulSeoulKR
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan JoseUS
Equinix SV8 - Silicon Valley, Palo AltoPalo AltoUS
Equinix TY2 - TokyoTokyoJP
Equinix TY4 - TokyoTokyoJP
Global Switch SingaporeSingaporeSG
KINX BundangSeongnamKR
KINX DogokSeoulKR
KINX GasanSeoulKR
London Hosting CentreLondonGB
Mayoral Drive Exchange (MDR)AucklandNZ
MEGA-i (iAdvantage Hong Kong)Hong KongHK
NT Bangrak TowerBangkokTH
NTT DATA Dojima (building #4)OsakaJP
NTT Sonezaki Data Center(Dojima Campus)Osaka-Shi Kita-KuJP
Shin Nikko BldgTokyoJP
SmartHub FujairahFujairahAE
Telehouse - London (Docklands East)LondonGB
Telehouse - London (Docklands North)LondonGB
Telehouse – TOKYO Otemachi (KDDI Otemachi)TokyoJP
VITRO Makati 1 - Yuchengco TowerMakatiPH
VITRO Makati 2MakatiPH

More about AS4637

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 18:38 UTC. The country is where the AS number was registered, not necessarily where the network operates.