AS7539 — TaiWan Advanced Research and Education Network TaiWan Advanced Research and Education Network(TWAREN) TWAREN
AS Name: TWAREN-TW
Description: National Center for High-performance Computing HsinChu Taiwan 300
Registry: APNIC
⚠️ CIRCL BGP Security Rank: 0.0033% (position 11633)
aut-num: AS7539
as-name: TWAREN-TW
descr: National Center for High-performance Computing
descr: HsinChu Taiwan 300
country: TW
import: from AS7539 action pref=10; accept ANY
import: from AS1659 action pref=100; accept ANY
import: from AS9264 action pref=100; accept ANY
import: from AS145 action pref=100; accept ANY
import: from AS7610 action pref=100; accept ANY
import: from AS11537 action pref=100; accept ANY
import: from AS293 action pref=100; accept ANY
import: from AS10764 action pref=100; accept ANY
export: to AS7539 announce AS7539
export: to AS1659 announce AS7539
export: to AS9264 announce AS7539
export: to AS145 announce AS7539
export: to AS7610 announce AS7539
export: to AS11537 announce AS7539
export: to AS293 announce AS7539
export: to AS10764 announce AS7539
default: to AS7539 action pref=100; networks ANY
admin-c: nNA6-AP
tech-c: nNA6-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-NCHC-TW
last-modified: 2025-11-06T09:06:40Z
source: APNIC
Direct Membership
Macros that directly list AS7539 as a member:
AS9264:AS-PARTNER-A(10 members)
AS-T-9264(14 members)
AS7539:AS-TWAREN(14 members)
AS-ASNET(19 members)
AS207468:AS-TW(24 members)
AS18424:AS-PEERS(27 members)
AS7575:AS-RESEARCH(36 members)
AS20965:AS-FROM-TEIN-TO-GEANT(600 members)
AS-TPIX(749 members)
AS3303:AS-SWCMPEERS(783 members)
AS-TWIG(2292 members)
AS-TRANSROUTE-SPEC(19556 members)
Expanded Membership
All macros containing AS7539 (directly or via nested macros): 311
Show 100 macros
AS9264:AS-PARTNER-A(10 ASNs)
AS-T-9264(14 ASNs)
AS7539:AS-TWAREN(14 ASNs)
AS-ASNET(19 ASNs)
AS9264:AS-PARTNERS(22 ASNs)
AS207468:AS-TW(24 ASNs)
AS-SEADOG007(25 ASNs)
AS18424:AS-PEERS(27 ASNs)
AS7575:AS-RESEARCH(36 ASNs)
AS204844:AS-AUTO-FREE-TRANSIT(109 ASNs)
AS204844:AS-ALL(142 ASNs)
AS-NRIX(150 ASNs)
AS44937:AS-NRIX(150 ASNs)
AS293:AS-FROM-STARLIGHT-TO-ESNET(265 ASNs)
AS-FASTLINE(366 ASNs)
AS-TWDS(366 ASNs)
AS-TWDS-TRANSIT(366 ASNs)
AS20965:AS-FROM-TEIN-TO-GEANT(639 ASNs)
AS3303:AS-SWCMPEERS(783 ASNs)
AS-TWIG(2,914 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)
AS-TRANSROUTE-SPEC(19,556 ASNs)
AS-TRANSROUTE(23,421 ASNs)
AS-PITER-IX-ROV(23,906 ASNs)
AS-PITER-IX-RIGA(24,405 ASNs)
AS-PITER-IX-FRA(27,939 ASNs)
AS-SOVAM(34,887 ASNs)
AS-CWCCUSTOMERS(34,940 ASNs)
AS-MERCURY(34,969 ASNs)
AS-UUNETEUDE(34,985 ASNs)
AS702:AS-DE-CUSTOMER(34,985 ASNs)
AS-TELARM(35,456 ASNs)
AS-ARMENTEL(35,460 ASNs)
AS-SET-UTG(35,510 ASNs)
AS-AZERSATMEMBERS(35,515 ASNs)
AS-SKYVISION-2(35,554 ASNs)
AS-SKYVISION(35,589 ASNs)
AS702:AS-BE-CUSTOMER(35,695 ASNs)
AS-RASCOM(35,828 ASNs)
AS20764:AS-RASCOM(35,829 ASNs)
AS-PIRIX(36,082 ASNs)
AS-PIRIX-CUSTOM(36,082 ASNs)
AS-ELBA-IX-ROUTESERVER(36,120 ASNs)
AS48193:AS-PITER-IX-FRA(36,250 ASNs)
AS-TTNET(36,321 ASNs)
AS-MF-MGSM(36,444 ASNs)
AS-TTK(36,818 ASNs)
AS702:AS-SE-CUSTOMER(37,142 ASNs)
AS-ECRCCUSTDE(37,596 ASNs)
AS-ECRC(37,597 ASNs)
AS-ECRCDE(37,597 ASNs)
AS-ECRCLINX(37,597 ASNs)
AS-CWE(37,716 ASNs)
AS-UUNETPIPEXLINX(38,009 ASNs)
AS-MTU(38,044 ASNs)
AS-RNDROUTESERVER(38,077 ASNs)
AS-EKTROUTESERVER(38,078 ASNs)
AS-SEABONECUSTMEAF(38,795 ASNs)
AS5413:AS-ROUTE-SERVER-DE-CIX(39,681 ASNs)
AS-STUIX(41,458 ASNs)
AS-IPTT(42,188 ASNs)
AS-PITER-IX(42,188 ASNs)
AS-PITERIX(42,189 ASNs)
AS-PITER-IX-MSK(42,291 ASNs)
AS49869:AS-PITER-IX-MSK(42,438 ASNs)
AS702:AS-CUSTOMER(43,022 ASNs)
AS-INTELSATUS(46,298 ASNs)
AS-BROADNETIL(46,931 ASNs)
AS-DIGICOMMPS(46,931 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 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-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-UAEIX(67,297 ASNs)
... and 211 more
Upstream AS Paths
42 unique paths, avg length 2.6
AS Looking Glass
Upstream paths (matching graph above)
All 42 Upstream Paths
Complete list of all observed paths
AS7539 IPv4 Address Subnets (13)
| 140.110.0.0/16 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 211.73.64.0/19 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 203.145.208.0/20 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 211.79.48.0/20 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 140.110.200.0/21 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 203.145.200.0/21 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 103.124.72.0/22 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 120.101.64.0/22 | 🇹🇼 TW | TWAREN-TW | |
| 103.160.220.0/23 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 103.160.220.0/24 | 🇹🇼 TW | TWAREN-TW |
AS7539 IPv6 Address Subnets (2)
| 2001:4500:1000::/40 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |
| 2001:e10::/32 | 🇹🇼 TW | Taiwan Network Information Center 3F., No. 123, Se… | TWAREN-TW |