Skip to content
thenetworkery

Network report

Who holds an IP address, prefix or AS number, how it is routed (origin AS, RPKI, IRR), its reverse DNS, blocklist listings and PeeringDB record, with what to fix first.

IP address, prefix or AS number

AS18041 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS18041"
JSON Docs

Pass: AS18041 (TWDS-AS-TW) announces 16 IPv4 and 14 IPv6 prefixes. Nothing to fix.

AS pageAS18041
HolderTWDS-AS-TW - Taiwan Digital Streaming Co.
AllocationAPNIC, Taiwan (TW), allocated 2001-11-09
Prefixes (IPv4 / IPv6)16 / 14
RPKI valid100% (30 / 30)
Upstreams and peers7
Peering policyOpen

Checks

Routing and RPKI AS18041 announces 16 IPv4 and 14 IPv6 prefixes.
  • Pass: AS18041 announces 16 IPv4 and 14 IPv6 prefixes.
  • Pass: All 30 announced prefixes are RPKI valid.
  • Pass: Every announced prefix has an IRR route object.
  • Info: 7 upstreams and peers, 73 downstream networks seen.
HolderTWDS-AS-TW - Taiwan Digital Streaming Co.
IPv4 prefixes16
IPv6 prefixes14
RPKI30 valid
Downstream networks73

Upstreams and peers seen to the left 7

AS6939 Hurricane Electric AS137409 Global Secure Layer AS15412 FLAG Telecom AS207705 JK-Network AS174 Cogent Communications, Inc. AS10133 TPIX-TW Route Servers AS7713 Telekomunikasi Indonesia Int (TELIN)

Announced prefixes 30

103.147.22.0/23 103.147.22.0/24 103.158.186.0/24 103.220.218.0/23 103.220.219.0/24 103.236.226.0/23 103.236.226.0/24 103.236.227.0/24 157.15.32.0/23 157.15.32.0/24 157.15.33.0/24 210.79.150.0/23 210.79.150.0/24 211.76.180.0/23 211.76.180.0/24 211.76.181.0/24 2a0e:b107:1310::/44 2a0f:607:1051::/48 2a06:a005:500::/44 2400:70e0::/32 2401:7a60::/32 2401:16a0::/32 2401:55a0::/32 2401:55e0::/32 2401:a60::/32 2405:a640::/32 2406:840:f337::/48 2406:bfc0::/32 2406:ee40::/32 2602:faad:3::/48

Source: RIPEstat (RIPE NCC RIS, Routinator, IRR); AS names: Team Cymru

Open in ASN & BGP prefix lookup
Registration Found at rdap.apnic.net.
  • Pass: Found at rdap.apnic.net.
NameTWDS-AS-TW
HandleAS18041
RangeAS18041
CountryTW
Statusactive
Registered2008-09-04T06:40:32Z
Last changed2026-05-24T08:01:23Z
Abuse contactliheng@twds.tw
Allocation
Registry (RIR)APNIC
CountryTaiwan (TW)
Delegated on2001-11-09
StatusAllocated
Delegated rangeAS18040 – AS18049

Source: RIR delegation data, updated daily. The country is where the range was registered, not necessarily where it is used.

Contacts
RoleNameEmail
abuse IRT-TWDS-1-TW liheng@twds.tw
administrative, technical Li-Heng Yu liheng@twds.tw

Source: https://rdap.apnic.net/autnum/18041. Registration data from rdap.apnic.net, shown under its terms of use (terms): not for marketing or bulk collection.

Open in WHOIS / RDAP lookup
PeeringDB AS18041 is in PeeringDB as Taiwan Digital Streaming Co..
  • Pass: AS18041 is in PeeringDB as Taiwan Digital Streaming Co..
  • Info: Peering policy: Open.
  • Info: Present at 3 internet exchanges with 3 ports (700G in total).
NetworkTaiwan Digital Streaming Co. (TWDS)
AS numberAS18041
TypeNetwork Services, Asia Pacific
Websitehttp://www.twds.com.tw
IRR as-setRIPE::AS-TWDS
Prefixes (IPv4 / IPv6)600 / 600
Traffic200-300Gbps, Mostly Outbound
Peering policyOpen
LocationsNot Required
Ratio requiredNo
ContractsNot Required
Last updated2026-03-12
Contacts
Technicalnoc@twds.tw
NOCnoc@twds.tw

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup