AS9916 ā National Yang Ming Chiao Tung University NYCU
AS Name: NCTU-TW
Description: National Yang Ming Chiao Tung University Hsinchu, Taiwan
Registry: APNIC
ā ļø CIRCL BGP Security Rank: 0.0064% (position 9449)
aut-num: AS9916
as-name: NCTU-TW
descr: National Yang Ming Chiao Tung University
descr: Hsinchu, Taiwan
country: TW
import: from AS3462 action pref=10; accept AS3462
import: from AS4780 action pref=20; accept AS4780
import: from AS7482 action pref=20; accept AS7482
import: from AS1659 action pref=20; accept AS1659
import: from AS7539 action pref=20; accept AS7539
import: from AS9415 action pref=20; accept AS9415
import: from AS9414 action pref=20; accept AS9414
import: from AS9310 action pref=20; accept AS9310
export: to AS3462 announce AS9916
export: to AS4780 announce AS9916
export: to AS7482 announce AS9916
export: to AS1659 announce AS9916
export: to AS7539 announce AS9916
export: to AS9415 announce AS9916
export: to AS9414 announce AS9916
export: to AS9310 announce AS9916
default: to AS1659 action pref=5; networks ANY
default: to AS7539 action pref=10; networks ANY
admin-c: LTC10-AP
tech-c: CCS8-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-TANET-TW
last-modified: 2025-11-06T09:07:13Z
source: APNIC
Direct Membership
Macros that directly list AS9916 as a member:
AS-T-9264(14 members)
AS7539:AS-TWAREN(14 members)
AS-TFN-DOMESTIC(17 members)
AS-ASNET(19 members)
AS-SEEDNET(240 members)
AS-TPIX(749 members)
AS-TWIG(2292 members)
AS58453:AS-ASIAASCUST(2512 members)
AS-RETN-ACTUAL-V6(3802 members)
AS-RETN-ACTUAL-V4(12045 members)
Expanded Membership
All macros containing AS9916 (directly or via nested macros): 273
Show 100 macros
AS-T-9264(14 ASNs)
AS7539:AS-TWAREN(14 ASNs)
AS-ASNET(19 ASNs)
AS9264:AS-PARTNERS(22 ASNs)
AS-TFN-DOMESTIC(33 ASNs)
AS293:AS-FROM-STARLIGHT-TO-ESNET(265 ASNs)
AS-SEEDNET(279 ASNs)
AS-TWIG(2,914 ASNs)
AS-RETN-ACTUAL-V6(3,802 ASNs)
AS-RETN-ACTUAL-V4(12,045 ASNs)
AS58453:AS-ASIAASCUST(15,313 ASNs)
AS58453:AS-CMI-ALL(18,020 ASNs)
AS-CMI-ALL(18,021 ASNs)
AS-FLAGP(25,034 ASNs)
AS-FLAGT(25,034 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS-RETN-HK(26,343 ASNs)
AS-STUIX(41,458 ASNs)
AS-RETN6(44,950 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-INTELSATUS(46,298 ASNs)
AS-RETN(47,667 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TELIANETRU(56,840 ASNs)
AS1299:AS-TWELVE99-RU-V4(56,840 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
AS-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-CAIS(61,483 ASNs)
AS213687:AS-ERA-IX-FRANKFURT(61,777 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS206221:AS-ERA-IX-AMSTERDAM(65,700 ASNs)
AS-ERA-IX(65,707 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 ASNs)
AS-CW6(66,853 ASNs)
AS1273:AS-CWW-V6(66,853 ASNs)
AS201561:AS-DECIX-CPH(66,988 ASNs)
AS201561:AS-DECIX-CPH-V6(66,988 ASNs)
AS-SET-INEX-CONNECTED(67,097 ASNs)
AS-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 ASNs)
AS-CW(67,352 ASNs)
AS-SIXSK-SETS(67,561 ASNs)
AS-BIX(68,877 ASNs)
AS2914:AS-ASIA-V6(68,905 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-FRYS-IX-CONNECTED(69,468 ASNs)
AS-BIX-BG(69,751 ASNs)
AS-NETIX-INT(69,913 ASNs)
AS43380:AS-DTEL-IX(69,913 ASNs)
AS-KIVIX(69,914 ASNs)
AS52055:AS-NETIX-GR(69,958 ASNs)
AS-SIX(70,009 ASNs)
AS-UBNIX(70,042 ASNs)
AS-GLOBAL-IX(70,222 ASNs)
AS-EPIX-LOCAL(70,298 ASNs)
AS-EPIX(70,299 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS56584:AS-SET-INTERIX-RS(70,331 ASNs)
AS17645:AS-NTTS(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS-NETIX-NET(71,038 ASNs)
AS-IU-CL(71,146 ASNs)
AS-TSUA-PARITY(71,146 ASNs)
AS-UAIX(71,146 ASNs)
AS-UDC2UTEL(71,146 ASNs)
AS25229:AS-PARITY(71,150 ASNs)
AS-KIKE(71,185 ASNs)
AS21011:AS-PEERS-UA(71,230 ASNs)
AS21011:AS-UA(71,230 ASNs)
AS56584:AS-INTERIX(71,301 ASNs)
AS-SEABONE(71,409 ASNs)
AS3320:AS-DTAG-V6(71,426 ASNs)
AS-ROMANIA(71,783 ASNs)
AS-DECIX-MAD(71,930 ASNs)
AS48793:AS-DECIX-MAD(71,930 ASNs)
AS-UAEIX-V6(71,954 ASNs)
... and 173 more
Upstream AS Paths
43 unique paths, avg length 3.8
AS Looking Glass
Upstream paths (matching graph above)
All 43 Upstream Paths
Complete list of all observed paths
AS9916 IPv4 Address Subnets (45)
| 120.104.0.0/16 | š¹š¼ TW | NCTU-TW | |
| 120.105.0.0/16 | š¹š¼ TW | NCTU-TW | |
| 140.113.0.0/16 | š¹š¼ TW | Far Eastone Telecommunications Co., Ltd No. 220, Gā¦ | NCTU-TW |
| 140.126.0.0/16 | š¹š¼ TW | REACH (Customer Route) | TWGATE-AP |
| 163.19.0.0/16 | š¹š¼ TW | REACH (Customer Route) | TWGATE-AP |
| 120.106.0.0/18 | š¹š¼ TW | NCTU-TW | |
| 120.106.128.0/18 | š¹š¼ TW | NCTU-TW | |
| 120.106.192.0/18 | š¹š¼ TW | NCTU-TW | |
| 120.126.32.0/19 | š¹š¼ TW | Far Eastone Telecommunications Co., Ltd No. 220, Gā¦ | NCTU-TW |
| 120.126.64.0/19 | š¹š¼ TW | Far Eastone Telecommunications Co., Ltd No. 220, Gā¦ | NCTU-TW |
AS9916 IPv6 Address Subnets (1)
| 2001:f18::/32 | š¹š¼ TW | Far Eastone Telecommunications Co., Ltd No. 220, Gā¦ | NCTU-TW |