ResearchRouting table, RPKI, IRR & looking glass

AS4657 StarHub Ltd

AS4657 (STARHUB-INTERNET) is registered to StarHub Ltd in SG. It originates 297 prefixes in the global routing table.

208
IPv4 prefixes
89
IPv6 prefixes
715,264
IPv4 addresses
99%
RPKI valid
Registration

Who holds AS4657

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS4657
Handle
STARHUB-INTERNET
Organization
StarHub Ltd
Country
SG
ASPA
None published
Routing

What AS4657 announces

Prefixes originated by AS4657 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
208
IPv6 prefixes
89
IPv4 addresses
715,264 (2,794 /24s)
RPKI valid
296 99%
RPKI invalid
0
RPKI not found
1
ROAs naming AS4657
73
With an IRR route object
296 99%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (208)
23.206.180.0/2227.54.0.0/1827.54.53.0/2427.54.59.0/2427.54.60.0/2427.54.61.0/2427.54.62.0/2438.46.202.0/2438.46.203.0/2439.109.128.0/1743.227.228.0/2345.65.0.0/2261.8.192.0/1961.8.196.0/2261.8.205.0/2461.8.207.0/2461.8.208.0/2461.8.216.0/2461.8.224.0/1961.8.224.0/24101.127.0.0/16101.127.192.0/18101.127.224.0/24101.127.250.0/24103.17.144.0/22103.28.208.0/22103.149.23.0/24103.254.252.0/23103.254.254.0/24111.223.64.0/18111.223.64.0/24113.10.64.0/18117.20.128.0/18122.11.128.0/17122.11.128.0/18122.11.132.0/24122.11.133.0/24122.11.134.0/24122.11.135.0/24122.11.136.0/24122.11.137.0/24122.11.138.0/24122.11.139.0/24122.11.140.0/24122.11.141.0/24122.11.144.0/24122.11.146.0/24122.11.147.0/24122.11.149.0/24122.11.161.0/24122.11.163.0/24122.11.164.0/24122.11.173.0/24122.11.174.0/24122.11.176.0/24122.11.177.0/24122.11.178.0/24122.11.179.0/24122.11.180.0/24122.11.192.0/18122.11.193.0/24122.11.194.0/24122.11.195.0/24122.11.199.0/24122.11.200.0/24122.11.201.0/24122.11.202.0/24122.11.210.0/24122.11.220.0/24122.11.222.0/24122.11.223.0/24122.11.230.0/24122.11.231.0/24122.11.232.0/24122.11.233.0/24122.11.242.0/24122.11.243.0/24122.11.244.0/24122.11.250.0/24124.155.192.0/19124.155.204.0/24124.155.205.0/24124.155.206.0/24124.155.207.0/24124.155.208.0/24124.155.209.0/24124.155.214.0/24124.155.215.0/24124.155.218.0/24124.155.222.0/24171.0.0.0/15171.207.0.0/16182.19.128.0/17182.19.252.0/24182.55.0.0/16182.55.245.0/24183.90.0.0/17183.90.64.0/18202.156.4.0/24202.156.10.0/24202.156.16.0/20202.156.16.0/24202.156.17.0/24202.156.18.0/24202.156.19.0/24202.156.22.0/24202.156.23.0/24202.156.24.0/24202.156.25.0/24202.156.26.0/24202.156.27.0/24202.156.28.0/24202.156.29.0/24202.156.32.0/19202.156.49.0/24202.156.53.0/24202.156.55.0/24202.156.58.0/24202.156.59.0/24202.156.60.0/24
Show 88 more
202.156.61.0/24202.156.62.0/24202.156.63.0/24203.116.0.0/16203.116.27.0/24203.116.30.0/24203.116.55.0/24203.116.60.0/24203.116.76.0/24203.116.78.0/24203.116.79.0/24203.116.82.0/24203.116.95.0/24203.116.98.0/24203.116.105.0/24203.116.120.0/24203.116.121.0/24203.116.127.0/24203.116.128.0/24203.116.129.0/24203.116.130.0/24203.116.134.0/24203.116.135.0/24203.116.136.0/24203.116.140.0/24203.116.142.0/24203.116.153.0/24203.116.154.0/24203.116.155.0/24203.116.175.0/24203.116.182.0/24203.116.185.0/24203.116.186.0/24203.116.204.0/24203.116.217.0/24203.116.221.0/24203.116.240.0/21203.117.0.0/16203.117.16.0/20203.117.22.0/24203.117.24.0/24203.117.49.0/24203.117.54.0/24203.117.73.0/24203.117.97.0/24203.117.108.0/24203.117.126.0/24203.117.127.0/24203.117.153.0/24203.117.208.0/21203.117.212.0/22203.117.216.0/21203.117.228.0/22203.117.228.0/24203.117.229.0/24203.117.230.0/24203.117.231.0/24203.117.232.0/24203.117.233.0/24203.117.234.0/24203.117.235.0/24203.117.242.0/24203.118.0.0/18203.118.10.0/24203.118.13.0/24203.118.18.0/24203.118.19.0/24203.118.20.0/24203.118.21.0/24203.118.22.0/24203.118.23.0/24203.118.24.0/24203.118.25.0/24203.118.28.0/22203.118.29.0/24203.118.31.0/24203.118.32.0/20203.118.32.0/24203.118.38.0/24203.118.39.0/24203.118.41.0/24203.118.42.0/24203.118.44.0/24203.118.45.0/24203.118.46.0/24203.118.48.0/20203.118.52.0/24203.118.57.0/24
IPv6 (89)
2404:e800:de00::/642404:e800:de00:1::/642406:3000::/302406:3000::/322406:3000::/482406:3000:2::/482406:3000:2:109::/642406:3000:3::/482406:3000:3:8::/642406:3000:3:9::/642406:3000:3:b::/642406:3000:3:13::/642406:3000:3:15::/642406:3000:3:17::/642406:3000:3:19::/642406:3000:3:23::/642406:3000:3:29::/642406:3000:3:31::/642406:3000:3:34::/642406:3000:3:35::/642406:3000:3:36::/642406:3000:3:37::/642406:3000:3:38::/642406:3000:3:39::/642406:3000:3:3a::/642406:3000:3:3e::/642406:3000:3:4e::/642406:3000:3:4f::/642406:3000:6::/482406:3000:a::/642406:3000:a:1::/642406:3000:a:7::/642406:3000:a:8::/642406:3000:a:a::/642406:3000:a:b::/642406:3000:a:c::/642406:3000:a:e::/642406:3000:a:f::/642406:3000:a:13::/642406:3000:a:14::/642406:3000:a:19::/642406:3000:a:1c::/642406:3000:b::/482406:3000:c::/562406:3000:c:100::/562406:3000:f::/482406:3000:10::/482406:3000:11:6::/642406:3000:11:1000::/642406:3000:11:1003::/642406:3000:11:100b::/642406:3000:11:100f::/642406:3000:11:1012::/642406:3000:11:1013::/642406:3000:11:1014::/642406:3000:11:1017::/642406:3000:11:1018::/642406:3000:11:101a::/642406:3000:11:102a::/642406:3000:11:2000::/642406:3000:11:2003::/642406:3000:11:2005::/642406:3000:11:2006::/642406:3000:11:2008::/642406:3000:16::/482406:3000:2a::/482406:3000:31::/482406:3000:33::/482406:3000:34::/482406:3000:35::/562406:3000:42::/482406:3000:4c::/482406:3000:50::/482406:3000:53::/482406:3000:1000::/562406:3000:1000:100::/562406:3001:20:6::/642406:3001:20:75::/642406:3001:20:76::/642406:3001:20:78::/642406:3001:22:4::/642406:3001:22:5::/642406:3001:22:6::/642406:3001:22:7::/642406:3001:22:8::/642406:3001:22:9::/642406:3001:22:16::/642406:3001:22:17::/642406:3001:22:18::/64

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS4657 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 12 upstreams.

AS1299 TWELVE99AS2914 NTT-DATA-2914AS6939 HURRICANEAS4637 ASN-TELSTRA-GLOBALAS9002 RETN-ASAS37100 SEACOM LimitedAS174 COGENT-174AS6453 AS6453AS12637 SEEWEBAS6461 ZAYO-6461AS23764 CTGNetAS2518 BIGLOBE
Peers

Who AS4657 exchanges routes with

5 peers: networks of comparable size it swaps its own and its customers’ routes with. Most peerings never reach a route collector, so this is the visible part.

AS2497 IIJAS3741 Dimension DataAS12552 GlobalConnect-AS12552AS3303 SWISSCOMAS2516 KDDI
Downstreams

Who buys transit from AS4657

115 downstreams, its customers; those marked ASPA name AS4657 as a provider in theirs.

AS55430 STARHUB-NGNBNAS132132 REPUBLICTELECOM-SGAS138345 STARHUB-MOBILE2AS58621 VODIEN-AS-AP-LOC2AS140928 STARHUB-T20025AAS137831 SHOPEE-AS-APAS38719 DREAMSCAPE-AS-APAS23856 SPTEL-AS-AP ASPAAS4058 CITICTEL-CPC-AS4058AS45474 NEXUSGUARD-AS-APAS45938 NUCLEUS-CONNECT-SGAS140929 STARHUB-T20025BAS3300 BTAS63199 CDSC-AS1AS56039 SPHMEDIALIMITED-AS-APAS55855 PLAYPARK-AS-APAS56197 KDDI-SGAS10100 UBSGROUPAG-AS-APAS17547 M1NET-SG-APAS10794 BANKAMERICAAS140592 GOVTECH-AS-WOG-NCAS141697 CRIMSONLOGIC-AS-SGAS55781 FAPLNET-AS-SOPAS11245 AS11245AS210873 Hewlett-Packard-Enterprise-APJ-LR4AS4773 MOBILEONELTD-AS-APAS14398 AUTODESKAS24467 DB-APAC-RHO-ASAS22717 HALLIBURTONAS138948 NTC-AS-APDAS203651 FR-CAIAS10099 UNICOM-GlobalAS133134 ATPL-AS-APAS4628 PACIFICINTERNET-AS-APAS55415 MBS-SGAS3614 DELL-BLKAS109 CISCOSYSTEMSAS138459 NAPPL-PROJECTC-AS-APAS139690 DBS-NET-1-AS-APAS132236 NAPPL-AS-AP
Show 75 more
AS20464 HP-POLYAS59326 DEFENSCIENORGAN-ASAS132690 NETS-AS-APAS23763 FTID-MELB-AS-APAS132253 CPFBOARD-SGAS142066 NPTPL-AS-APAS9226 SGIX-AS-APAS204284 NESTLEAS138610 SAP_SE_SINAS18106 VIEWQWEST-SG-APAS133471 SYNAPXE-AS-APAS133470 SYNAPXE-AS-APAS135048 SINGAPORE-AS-APAS138458 NAPPL-PROJECTJ-AS-APAS17733 SMU-AS-APAS136772 DSAPAC-AS-APAS9890 ATOSINFOTECH-SG-APAS134078 NETPLUZ-AS-APAS133891 FIDESSA-AS-SGAS5580 GTT-ASIAAS3573 ACCENTUREAS16625 AKAMAI-ASAS24429 TaobaoAS132356 CAG-IT-SGAS18228 NCSHUB-SG-APAS9419 NTU-AS-APAS5091 STRIPEAS12257 EMC-AS12257AS15695 ExpereoAS16669 APPLIED-MATERIALSAS17903 COGNIZANT-IN-APAS23154 SANMINA-SCIAS35030 COMFONE_GRX_ASAS59451 ARABBANK-ASAS132016 IRESS-NET-AUAS132242 HOGARTHWW-SGAS136169 DBS-NET-AS-APAS136439 DSTA-DMZ-AS-APAS138481 LEAR-AS-APAS138539 JEWEL-AS-APAS140661 PSACORPORATIONLTD-AS-APAS154316 OBCL-AS-APAS154319 OBCL-AS-APAS154405 VAWTPL-AS-APAS199877 KENNAMETALAS207308 BJB2-ASAS18224 ASN-CRIMSONLOGIC-AP # AS-CRIMSONLOGIC-AP converted to ASN-CRIMSONLOGIC-AP for RPSL complianceAS132265 SIANET-AS-APAS212459 CELERTECH-SG1AS17060 E-NETWORKSAS140845 TISL-AS-APAS134349 PSPL-AS-APAS13945 PRISMTECHNOLOGIESABQAS138433 GLOBALSIGN-AS-APAS135066 SIML-AS-APAS202053 UPCLOUDAS13167 Merck-KGaAAS25108 IOMART-APAC-ASAS28959 VITOL-ASAS138947 NTC-AS-APCAS16037 TETRAPAK-ASAS55487 GLOBALFOUNDRIES-SGAS36819 MELALEUCA-INCAS38001 NEWMEDIAEXPRESS-AS-APAS203818 mwamAS132576 WORLEYLIMITED-AS-APAS45165 GREYAP-AS-APAS131337 MANULIFE-HKAS133622 Bottomline-AS-APAS30613 CME-TESTLABAS142250 OBCL-AS-APAS136471 OPTIVERPTYLTD-AS-APAS40513AS13631 CIG-ASAS55426 FCIASIA-AS-AP
ASPA

Provider authorization

AS4657 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS4657 as a provider
AS23856 SPTEL-AS-AP
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICSTARHUB-INTERNETAPNIC-HM

Route objects with origin AS4657: APNIC 17,589 · REACH 685 · LEVEL3 96 · NTTCOM 15 · RADB 5 · ARIN 3

as-sets that list AS4657 (69)first 40 shown
AS-10099AS-133777-TRANSITAS-17444AS-ANC-CUSTOMER-PROXY-REGISTERAS-BTN-CUSTOMERSAS-CAMBRIUM-AMSIX-RS-DENYAS-CHTR-SYNCAS-CNAS-CN2AS-CTBC-CUSTOMERS109AS-CTBC-TOOLS-6AS-EQUINIX-9989-PEERSAS-GBLXAS-HKTCUSTOMERAS-HURRICANEV6AS-HWNG-DOWNSTREAMSAS-ITXBR1AS-KDDCUSTOMER2AS-LEVEL3-CUSTOMERS-NAAS-LEVEL3-IPV6AS-LEVEL3-ORIGINS-NAAS-LUMEN-CUSTOMERS-ASNSAS-M1NET-TRANSITAS-MANDA-AMSIX-PEERS-V4AS-MANDA-AMSIX-PEERS-V6AS-MANDA-DECIX-PEERS-V4AS-MANDA-DECIX-PEERS-V6AS-MANDA-LINX-PEERS-V4AS-MANDA-LINX-PEERS-V6AS-MFNXAS-NEXUSGUARD-CLIENTSAS-NWN-TRANSITAS-REACH-CUSTOMERSAS-RETN-ACTUAL-V4AS-RETN-ACTUAL-V6AS-RR-SYNCAS-SEABONECUSTASAS-SET-NGENAAS-SKBROADBANDAS-STARHUB
Tools

Check AS4657 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup