AS4637 ASN-TELSTRA-GLOBAL Telstra Global
🇭🇰Org handle: ORG-TIL3-AP
Telstra Global
APNICallocated
Announced Prefixes (BGP)
782total
675 IPv4107 IPv6
IPv4 Addresses
Allocated (RIR)835,584
Announced (BGP)1.4M
IPv6 Addresses
Allocated (RIR)3.9×10²⁹
Announced (BGP)3.9×10²⁹
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
500
Country
🇭🇰 HKRIR
APNICStatus
allocated
Allocated
1995-10-30
Routing hygiene
Score 25/100 · Medium riskRPKI ROA coverage
92.8%
5 prefixes RPKI invalid
IRR route objects
92.3%
53 prefixes registered for another origin
Hijack signals
4
3 announced against others' ROAs, 1 own announced by others
Upstreams
14
diversity 31/100
- 30 prefixes registered in IRR route objects for another active network and not authorized by a ROA
- Routes concentrated on one upstream (82% of routes)
- Announces 3 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 7% of announced prefixes (56 of 782) have no valid ROA, 5 of them RPKI invalid
Based on 782 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained
Announced Prefixes
(BGP)782|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRRRIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | Other IRRRIPE | - | |
| Valid | Other IRRRIPE | - | |
| Valid | Other IRRRIPE | - | |
| Valid | Other IRR | - | |
| Valid | APNICOther IRR | - | |
| Valid | APNIC | - |
1-10 of 782
1 / 79
Allocated Prefixes
(RIR)436Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.226.185.0/24 | 🇪🇸 ES | RIPE | assigned |
| 13.142.0.0/16 | 🇳🇱 NL | RIPE | assigned |
| 13.143.0.0/19 | 🇳🇱 NL | RIPE | assigned |
| 13.143.32.0/20 | 🇳🇱 NL | RIPE | assigned |
| 31.59.76.0/23 | 🇺🇸 US | RIPE | assigned |
| 37.153.152.0/24 | 🇫🇷 FR | RIPE | assigned |
| 42.99.128.0/17 | 🇯🇵 JP | APNIC | allocated |
| 42.99.208.0/24 | 🇭🇰 HK | APNIC | assigned |
| 42.99.209.0/24 | 🇭🇰 HK | APNIC | assigned |
| 42.99.216.0/23 | 🇹🇼 TW | APNIC | assigned |
1-10 of 436
1 / 44
All 782 announced prefixes of AS4637 →
Downstream Customers(13)
| ASN | Name |
|---|---|
| AS1221 | 🇦🇺ASN-TELSTRA Telstra Limited |
| AS7629 | 🇵🇭EPLDT-AS-AP 5F L.V. Locsin Bldg |
| AS18001 | 🇱🇰DIALOG-AS Dialog Axiata PLC. |
| AS19651 | 🇨🇦TTL-LTD - The Trusty Ledger Ltd. |
| AS23930 | 🇵🇭VITROINC-AS-AP VITRO INC. |
| AS24221 | 🇵🇭EPLDT-AZURE-STACK ePLDT Azure Stack |
| AS38491 | 🇵🇭VITROINC-AS-AP VITRO INC. |
| AS45177 | 🇳🇿DEVOLI-AS-AP Devoli |
| AS45355 | 🇫🇯DIGICELPACIFIC-1-AP Digicel Fiji Limited |
| AS132528 | 🇦🇺DIGICELAUSPTYLTD-AS-AP DIGICEL AUS PTY LTD |
| AS138128 | SOLNET-ID PT Solnet Indonesia |
| AS150347 | 🇸🇬PLANISWARE-AS-AP Planisware Singapore Pte. Ltd |
| AS402000 | 🇨🇦ATWAB-INC - Atwab Inc. |
BGP Neighbours
(seen in AS paths)Upstreams (15)
Networks AS4637 hands its own prefixes to: transit providers, or peers at an exchange.
- AS1299TWELVE99 Arelion Sweden AB646
- AS35280F5 Networks SARL59
- AS6461Zayo Bandwidth43
- AS23764CTGNET7
- AS5511Opentransit Orange S.A6
- AS6762SEABONE NET TELECOM ITALIA SPARKLE S.P.A5
- AS6453TATA COMMUNICATIONS AMERICA3
- AS12956TELXIUS TELEFONICA GLOBAL SOLUTIONS SL3
- AS3356Level 3 Parent2
- AS6939Hurricane Electric2
- AS33891CORE BACKBONE Core Backbone2
- AS1221ASN TELSTRA Limited1
- AS9498BBIL AP BHARTI Airtel1
- AS24940HETZNER Online1
- AS132847NETSG AP Network Solutions Group Pty1
Downstreams (100 of 289)
Networks whose own prefixes AS4637 passes on: usually its customers.
- AS13335Cloudflare264
- AS18403FPT VN FPT Telecom Company211
- AS19551Incapsula202
- AS12041Afilias159
- AS53813ZSCALER140
- AS45177DEVOLI AP Devoli133
- AS18186Nebula Global128
- AS21928T Mobile USA121
- AS4809CHINATELECOM CORE WAN CN2 China Telecom Next Generation Carrier Network111
- AS45974NHN KR NHNCLOUD110
- AS138995ANTBOX1 AP Antbox Networks Limited109
- AS9318SKB SK Broadband105
- AS136557HOST AP Host Universal Pty104
- AS4775GLOBE TELECOM Globe Telecoms100
- AS55547WOODSNET PH Unit D,E,F,G 28th Floor100
- AS20940AKAMAI ASN1 Akamai International B.V96
- AS15830Equinix (EMEA) Acquisition Enterprises B.V92
- AS38478SUNNYVISION AP SunnyVision Limited87
- AS6648BAYAN TELECOMMUNICATIONS Bayan Telecommunications83
- AS54113Fastly79
- AS18001DIALOG Axiata PLC74
- AS59253LEASEWEB APAC SIN 11 LEASEWEB SINGAPORE PTE70
- AS16509Amazon.Com66
- AS17511OPTAGE66
- AS2514INFOSPHERE NTT PC Communications62
- AS9658ETPI IDS AP Eastern Telecoms Phils57
- AS133847ICT AP Anpple Tech Enterprise54
- AS714Apple53
- AS63888DATAWINGLIMITED DATAWING LIMITED52
- AS134351LEASEWEB AP Leaseweb Japan K.K51
- AS7522STCN STNet, Incorporated50
- AS45102ALIBABA CN NET Alibaba US Technology49
- AS20473The Constant Company39
- AS10010TOKAI Communications Corporation37
- AS55821RADIUSTELECOMS AP RADIUS TELECOMS37
- AS18046DONGFONG TW DongFong Technology33
- AS55850MERCURYNZ AP Mercury NZ Limited31
- AS58460DIGICELPNG AP Digicel PNG29
- AS36692Cisco OpenDNS27
- AS2527SO NET Sony Network Communications24
- AS7979Servers.Com20
- AS3300BT British Telecommunications Limited19
- AS9500ONENZ TRANSIT One New Zealand Group Limited19
- AS10024LGA SG AP LGA International19
- AS393559WEBBING USA19
- AS10158KAKAO 10158 KR Kakao18
- AS13445Cisco Webex18
- AS57976BLIZZARD Entertainment17
- AS32787Akamai Technologies16
- AS38176ABS AP ABS Agility Beyond Space16
- AS133948DIL AP DONGFONG LIMITED15
- AS55933CLOUDIE AP Cloudie Limited14
- AS133772NELNET AP New Eagle13
- AS8849MELBICOM EU Melbikomas UAB12
- AS9924TFN TW Taiwan Fixed Network, Telco And Network Service Provider12
- AS16276OVH SAS12
- AS17726CAMNET Telecom Cambodia12
- AS26277ServerPoint.Com12
- AS132046SUNBRIDGE PH AP Sunbridge Worldwide12
- AS136462MOOTECHASIA AP Mootech Asia12
- AS17554CITIC HK AP Citic Telecom International Data Limited11
- AS6507Riot Games10
- AS9246GTA AP Teleguam Holdings10
- AS36007Kamatera10
- AS36351IBM Cloud10
- AS45147NAPINFO TRANSIT AP PT. NAP Info Lintas Nusa10
- AS45896MOBIFONEGLOBAL VN Mobifone Global JSC10
- AS202196Booking BV Booking.Com BV10
- AS206264AMARUTU TECHNOLOGY Amarutu Technology10
- AS109CISCO SYSTEMS9
- AS10310Yahoo Holdings9
- AS16552Tiggee9
- AS19679Dropbox9
- AS40627RingCentral9
- AS54253Oracle Corporation9
- AS3257GTT BACKBONE GTT Communications8
- AS3573Accenture LLP8
- AS10204ARCNET NTTMSC MY Arcnet NTT MSC ISP8
- AS12222Akamai Technologies8
- AS40676Psychz Networks8
- AS58653VOLVOITJAPAN UD Trucks Corporation, Volvo Information Technology Japan8
- AS137445PFLINK JP PF LINK SYSTEMS8
- AS138128SOLNET ID PT Solnet Indonesia8
- AS2519VECTANT ARTERIA Networks Corporation7
- AS3758SINGNET7
- AS4673INTERVIA NTT DATA CORPORATION7
- AS17802MACQUARIE BANK AP Macquarie Bank7
- AS44444Forcepoint Cloud Forcepoint UK Limited7
- AS63949AKAMAI LINODE AP Akamai Connected Cloud7
- AS133398TELE Asia Limited7
- AS7468CYBEREC AP Cyber Express Communication6
- AS7862Chevron Corporation6
- AS10100UBSGROUPAG AP UBS Group6
- AS33619Advanced Micro Devices6
- AS34414NOKIA APAC Nokia Oyj6
- AS55720GIGABIT MY Gigabit Hosting Sdn Bhd6
- AS63399Dialpad6
- AS64022KAMATERAINC AP Kamatera6
- AS141190JTPL AP Jindun Technology PTE6
- AS3360DXC US Latin America Corporation5
Other adjacent networks (50 of 53)
Adjacent to AS4637 in the transit part of AS paths: peers, providers or customers.
- AS64049RJIPL SG Reliance Jio Infocomm Pte Singapore1,543
- AS6797GLOBALCONNECT NET GlobalConnect AB346
- AS137831SHOPEE AP SEA IX137
- AS37468ANGOLA CABLES125
- AS8529OMANTEL Zain Omantel International FZ73
- AS13030INIT7 (Switzerland)67
- AS45489SLT GLOBAL Sri Lanka Telecom PLC, GLobal Peering59
- AS9457DREAMX DREAMLINE48
- AS9002RETN Limited35
- AS63927RISE HK RISE33
- AS17557PKTELECOM PK Pakistan Telecommunication Company Limited27
- AS3491PCCWG APAC HK PCCW Global HK24
- AS17717MOECC IPV6 Ministry Of Education Computer Center Taipei, Taiwan22
- AS45349TFL AP Telecom Fiji20
- AS1280Internet Systems Consortium18
- AS15802DU AS1 Emirates Integrated Telecommunications Company PJSC17
- AS1273CW Vodafone Group PLC15
- AS8781QA ISP Ooredoo Q.S.C15
- AS47147ANX Anexia Cloud Solutions15
- AS140627ONEQODEASSETS AP OneQode12
- AS24482SGGS AP SG.GS10
- AS137409GSLNETWORKS AP GSL Networks Pty10
- AS199524GCORE G Core Labs S.A9
- AS135069FEENIX AP Feenix Communications Limited8
- AS5413Wavenet AS5413 Wavenet Limited7
- AS36224HCL AMERICA7
- AS45474NEXUSGUARD AP Nexusguard Pte7
- AS12552GlobalConnect AS12552 GlobalConnect AB6
- AS17709APT Asia Pacific Telecom6
- AS38442VODAFONEFIJI FJ Vodafone Fiji Limited6
- AS7473SINGTEL AP Singapore Telecommunications5
- AS9957KINX5
- AS15412FLAG Telecom UK Limited5
- AS42156GNX B.V5
- AS139327UCLOUD AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED5
- AS2497IIJ Internet Initiative Japan3
- AS2516KDDI CORPORATION3
- AS49915MEGAPORT (UK) Limited3
- AS132203TENCENT NET AP CN Tencent Building, Kejizhongyi Avenue3
- AS7195EDGEUNO S.A.S2
- AS7342VeriSign Infrastructure & Operations2
- AS38040GLOBAL TRANSIT TOT IIG TH TOT Public Company Limited2
- AS38193TWA AP Transworld Associates Pvt2
- AS133448CHGPL AP Korea2
- AS198949Radware2
- AS2914NTT America1
- AS4766KIXS KR Korea Telecom1
- AS7568CSLOX IIG AP CS LOXINFO Public Company Limited1
- AS9153BURSTFIRE EU Burstfire Networks1
- AS37271Workonline1
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/4637Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4637" | jq