ResearchRouting table, RPKI, IRR & looking glass

AS1659 Taiwan Academic Network (TANet) Information Center

AS1659 (ERX-TANET-ASN1) is registered to Taiwan Academic Network (TANet) Information Center in TW, through APNIC. It originates 223 prefixes in the global routing table.

222
IPv4 prefixes
1
IPv6 prefixes
6,004,480
IPv4 addresses
32%
RPKI valid

Who holds AS1659

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

AS number
AS1659
Handle
ERX-TANET-ASN1
Organization
Taiwan Academic Network (TANet) Information Center
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 'AS1659'

% Abuse contact for 'AS1659' is 'noc@mail.moe.gov.tw'

aut-num:        AS1659
as-name:        ERX-TANET-ASN1
descr:          Taiwan Academic Network (TANet) Information Center
descr:          Ministry of Education Computer Center
descr:          12th Fl, 106. Hoping E. Road. Sec 2.
descr:          Taipei
country:        TW
remarks:        This aut-num object created as part of
remarks:        the ER-Transfer fromARIN
admin-c:        TA61-AP
tech-c:         TA61-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TANET-TW
last-modified:  2025-11-06T09:05:32Z
source:         APNIC

irt:            IRT-TANET-TW
address:        Ministry of Education computer Center
address:        12F, No 106, Sec. 2, Heping E. Rd., Taipei
e-mail:         noc@mail.moe.gov.tw
abuse-mailbox:  noc@mail.moe.gov.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2026-07-16T02:54:43Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         TANET ADMIN
nic-hdl:        TA61-AP
e-mail:         noc@mail.moe.gov.tw
address:        12F, No 106, Sec. 2, Heping E. Rd., Taipei
address:        Taipei, 106, R.O.C
phone:          +886-2-7712-9079
fax-no:         +886-2-2737-7043
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-08-28T08:29:03Z
source:         APNIC
remarks:        (hid:K92-TW)

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)


What AS1659 announces

Prefixes originated by AS1659 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
222
IPv6 prefixes
1
IPv4 addresses
6,004,480 (23,455 /24s)
RPKI valid
72 32%
RPKI invalid
151
RPKI not found
0
ROAs naming AS1659
149
With an IRR route object
39 17%

Announced prefixes

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

IPv4 (222)
120.96.0.0/11120.96.144.0/20120.96.160.0/19120.96.192.0/20120.96.208.0/20120.96.224.0/20120.107.0.0/18120.108.56.0/21120.108.64.0/18120.109.0.0/18120.109.64.0/20120.110.64.0/19120.110.96.0/20120.110.112.0/22120.110.116.0/23120.113.64.0/18120.118.0.0/18120.118.64.0/19120.118.96.0/20120.118.118.0/23120.119.176.0/20120.124.0.0/18120.124.64.0/19120.124.96.0/19120.124.128.0/18120.124.200.0/23120.124.204.0/22120.124.208.0/20120.124.224.0/19120.125.0.0/18120.125.64.0/20120.125.80.0/21120.125.88.0/23120.125.128.0/18134.208.0.0/16140.92.0.0/16140.92.0.0/17140.92.128.0/17140.110.0.0/15140.112.0.0/12140.119.88.0/21140.120.0.0/16140.125.0.0/16140.127.36.0/24140.127.37.0/24140.127.38.0/24140.127.39.0/24140.127.40.0/24140.127.41.0/24140.127.42.0/24140.127.43.0/24140.127.44.0/24140.127.45.0/24140.127.46.0/24140.127.47.0/24140.127.48.0/24140.127.50.0/24140.127.51.0/24140.127.52.0/24140.127.53.0/24140.127.56.0/24140.127.57.0/24140.127.58.0/24140.127.59.0/24140.127.60.0/24140.127.61.0/24140.127.63.0/24140.127.64.0/24140.127.65.0/24140.127.67.0/24140.127.68.0/24140.127.69.0/24140.127.70.0/24140.127.71.0/24140.127.72.0/24140.127.73.0/24140.127.74.0/24140.127.75.0/24140.127.76.0/24140.127.77.0/24140.127.78.0/24140.127.79.0/24140.127.80.0/24140.127.82.0/23140.127.84.0/23140.127.176.0/20140.127.192.0/22140.127.196.0/24140.128.0.0/13140.128.1.0/24140.128.2.0/23140.128.4.0/22140.128.8.0/21140.128.16.0/20140.128.32.0/20140.128.48.0/23140.128.50.0/24140.130.1.0/24140.130.2.0/23140.130.4.0/22140.130.8.0/21140.130.16.0/20140.130.32.0/21140.130.40.0/24140.130.101.0/24140.130.102.0/23140.130.104.0/21140.130.112.0/20140.130.128.0/23140.130.130.0/24140.130.171.0/24140.130.175.0/24140.131.1.0/24140.131.2.0/23140.131.4.0/22140.131.8.0/21140.131.16.0/22140.131.20.0/24140.131.150.0/23140.131.152.0/21
Show 102 more
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS1659 is reached through

The AS just before AS1659 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.