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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

AS18042 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS18042"
JSON Docs

Warning: AS18042 (KBT) announces 6 IPv4 and 1 IPv6 prefixes. 1 warning

AS pageAS18042
HolderKBT - Koos Broadband Telecom
AllocationAPNIC, Taiwan (TW), allocated 2001-11-09
Prefixes (IPv4 / IPv6)6 / 1
RPKI valid100% (7 / 7)
Upstreams and peers1
Peering policyOpen

What to fix

  1. Warning

    No public NOC, policy or technical contact.

    Other networks use these addresses to set up peering and to reach you during an incident.

    Fix: Add a role contact (for example noc@ or peering@ an address you monitor) with visibility Public.

    Open in PeeringDB lookup

Checks

Routing and RPKI AS18042 announces 6 IPv4 and 1 IPv6 prefixes.
  • Pass: AS18042 announces 6 IPv4 and 1 IPv6 prefixes.
  • Pass: All 7 announced prefixes are RPKI valid.
  • Pass: Every announced prefix has an IRR route object.
  • Info: One upstream or peer seen (AS9416): an outage there takes the whole network off the internet.
HolderKBT - Koos Broadband Telecom
IPv4 prefixes6
IPv6 prefixes1
RPKI7 valid
Downstream networks2

Upstreams and peers seen to the left 1

AS9416 KBT

Announced prefixes 7

58.86.0.0/16 61.63.0.0/19 61.63.32.0/19 61.63.64.0/19 61.67.128.0/17 103.123.188.0/24 2400:df40::/32

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.
NameKBT
HandleAS18042
RangeAS18042
CountryTW
Statusactive
Registered2008-09-04T06:40:32Z
Last changed2025-11-06T09:08:51Z
Abuse contactjacky.ni@homeplus.net.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-KBT-TW jacky.ni@homeplus.net.tw
administrative, technical Shu Ming Chang maxchang@kbtelecom.net

Source: https://rdap.apnic.net/autnum/18042. 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 No public NOC, policy or technical contact.
  • Pass: AS18042 is in PeeringDB as Koos Broadband Telecom.
  • Info: Peering policy: Open.
  • Info: Present at 1 internet exchanges with 1 ports (10G in total).
  • Warning: No public NOC, policy or technical contact.
  • Info: The record was last updated 2023-03-10.
NetworkKoos Broadband Telecom
AS numberAS18042
TypeCable/DSL/ISP, Not Disclosed
Websitehttps://www.homeplus.net.tw/index.html
IRR as-setAS-CNSKBT
Prefixes (IPv4 / IPv6)0 / 0
TrafficNot Disclosed
Peering policyOpen
LocationsNot Required
Ratio requiredNo
ContractsNot Required
Last updated2023-03-10

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup