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

AS18426 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS18426"
JSON Docs

Warning: AS18426 (STPI-AS-TW) announces 1 IPv4 and 0 IPv6 prefixes. 2 warnings

AS pageAS18426
HolderSTPI-AS-TW - National Applied Research Laboratories
AllocationAPNIC, Taiwan (TW), allocated 2002-12-20
Prefixes (IPv4 / IPv6)1 / 0
RPKI valid100% (1 / 1)
Upstreams and peers2

What to fix

  1. Warning

    No IPv6 prefixes announced.

    Networks without IPv6 force their users through NAT64 or leave them unreachable from IPv6-only networks.

    Fix: Get an IPv6 allocation from your RIR (usually free with your IPv4 membership) and announce it.

    Open in ASN & BGP prefix lookup

  2. Warning

    PeeringDB did not answer: HTTP 404

    Fix: Try again in a minute.

    Open in PeeringDB lookup

Checks

Routing and RPKI No IPv6 prefixes announced.
  • Pass: AS18426 announces 1 IPv4 and 0 IPv6 prefixes.
  • Warning: No IPv6 prefixes announced.
  • Pass: All 1 announced prefixes are RPKI valid.
  • Pass: Every announced prefix has an IRR route object.
  • Info: 2 upstreams and peers, 0 downstream networks seen.
HolderSTPI-AS-TW - National Applied Research Laboratories
IPv4 prefixes1
IPv6 prefixes0
RPKI1 valid
Downstream networks0

Upstreams and peers seen to the left 2

AS7539 TaiWan Advanced Research and Education … AS18183 NCREE

Announced prefixes 1

203.145.192.0/21

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.
NameSTPI-AS-TW
HandleAS18426
RangeAS18426
CountryTW
Statusactive
Registered2008-09-04T06:40:38Z
Last changed2025-11-06T09:26:25Z
Abuse contactnoc@twaren.net
Allocation
Registry (RIR)APNIC
CountryTaiwan (TW)
Delegated on2002-12-20
StatusAllocated
Delegated rangeAS18410 – AS18429

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

Contacts
RoleNameEmail
abuse IRT-NARL-TW noc@twaren.net
administrative, technical nchc Network Administrator noc@twaren.net

Source: https://rdap.apnic.net/autnum/18426. 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 PeeringDB did not answer: HTTP 404
  • Warning: PeeringDB did not answer: HTTP 404

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup