AS142005 NC Taiwan Co., Ltd.
AS142005 (NCTAIWANCOLTD-AS-AP) is registered to NC Taiwan Co., Ltd. in TW, through APNIC. It originates 29 prefixes in the global routing table.
29
IPv4 prefixes
0
IPv6 prefixes
13,568
IPv4 addresses
100%
RPKI valid
Registration
Who holds AS142005
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS142005
Handle
NCTAIWANCOLTD-AS-AP
Organization
NC Taiwan Co., Ltd.
Country
TW
Registry
APNIC
ASPA
None published
WHOIS recordAPNIC
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to 'AS141626 - AS142649' as-block: AS141626 - AS142649 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2020-10-21T04:09:48Z source: APNIC role: APNIC Hostmaster address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:00Z source: APNIC % Information related to 'AS142005' % Abuse contact for 'AS142005' is 'network_service@ncsoft.com' aut-num: AS142005 as-name: NCTAIWANCOLTD-AS-AP descr: NC Taiwan Co., Ltd. country: TW org: ORG-NTCL2-AP admin-c: NTCL4-AP tech-c: NTCL4-AP abuse-c: AN2895-AP mnt-lower: MAINT-NCCORPORATION-MNT mnt-routes: MAINT-NCCORPORATION-MNT mnt-by: APNIC-HM mnt-irt: IRT-NCTAIWANCOLTD-TW last-modified: 2026-04-06T08:05:19Z source: APNIC irt: IRT-NCTAIWANCOLTD-TW address: 12 Daewangpangyoro 644beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea e-mail: network_service@ncsoft.com abuse-mailbox: network_service@ncsoft.com admin-c: NET2-AP tech-c: NET2-AP auth: # Filtered remarks: network_service@ncsoft.com was validated on 2026-04-21 mnt-by: MAINT-NCTAIWANCOLTD-TW mnt-by: MAINT-NCCORPORATION-MNT last-modified: 2026-04-21T06:20:15Z source: APNIC organisation: ORG-NTCL2-AP org-name: NC Taiwan Co., Ltd. org-type: LIR country: TW address: No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist phone: +886-8964-9100 e-mail: network_service@ncsoft.com mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:18:31Z source: APNIC role: ABUSE NCTAIWANCOLTDTW country: ZZ address: 12 Daewangpangyoro 644beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea phone: +000000000 e-mail: network_service@ncsoft.com admin-c: NET2-AP tech-c: NET2-AP nic-hdl: AN2895-AP remarks: Generated from irt object IRT-NCTAIWANCOLTD-TW remarks: network_service@ncsoft.com was validated on 2026-04-21 abuse-mailbox: network_service@ncsoft.com mnt-by: APNIC-ABUSE last-modified: 2026-04-21T06:20:41Z source: APNIC role: NC Taiwan Co Ltd administrator address: No. 157-17, Sec. 1, Zhongshan Rd., Banqiao Dist, Taipei New Taipei City 220 220242 country: KR phone: +886-8964-9100 e-mail: network_service@ncsoft.com admin-c: NET2-AP tech-c: NET2-AP nic-hdl: NTCL4-AP mnt-by: MAINT-NCTAIWANCOLTD-TW last-modified: 2026-04-06T06:16:53Z source: APNIC % Information related to 'AS141626 - AS142649' as-block: AS141626 - AS142649 descr: APNIC ASN block admin-c: IA55-AP tech-c: IH123-AP mnt-by: MNT-APJII-ID mnt-lower: MNT-APJII-ID last-modified: 2026-09-02T04:13:51Z source: IDNIC role: ID-NIC ADMINISTRATORS address: Indonesian Network Information Center address: ID-NIC address: Cyber Building 11th Floor address: Jakarta 12710 country: ID phone: +62-21-52960634 fax-no: +62-21-52960635 e-mail: hostmaster@idnic.net admin-c: IH288-AP tech-c: IH288-AP nic-hdl: IA55-AP notify: hostmaster@idnic.net mnt-by: MNT-APJII-ID last-modified: 2026-02-25T04:06:45Z source:
Routing
What AS142005 announces
Prefixes originated by AS142005 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
29
IPv6 prefixes
0
IPv4 addresses
13,568 (53 /24s)
RPKI valid
29 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS142005
18
With an IRR route object
29 100%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (29)
64.25.32.0/2364.25.34.0/2364.25.36.0/2364.25.37.0/2464.25.38.0/2364.25.41.0/2485.113.86.0/23103.164.130.0/24103.164.131.0/24193.149.158.0/23193.149.166.0/23206.127.144.0/22206.127.144.0/23206.127.148.0/23206.127.152.0/23206.127.154.0/23206.127.156.0/23206.127.157.0/24209.35.96.0/23209.35.97.0/24209.35.114.0/23209.35.115.0/24209.35.156.0/23209.35.188.0/23216.107.240.0/22216.107.240.0/24216.107.244.0/22216.107.248.0/22216.107.252.0/22
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS142005 is reached through
The AS just before AS142005 in the paths our looking glass collectors hold, for 29 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| APNIC | NCTAIWANCOLTD-AS-AP | APNIC-HM |
| RADB | NCSOFT-GLOBAL | MAINT-AS142005 |
Route objects with origin AS142005: APNIC 117 · RADB 18
as-sets that list AS142005 (8)