AS Name: SYSTEX

Description: Systex Corporation SYSTEX CORPORATION SYSNET BUSINESS UINT Taipei Taiwan R.O.C.

Registry: NTTCOM

Imports from (5)

Exports to (7)

AS2914 AS-SYSTEX AS4778 AS4780 AS7481 AS7483 AS9311

aut-num:        AS4783
as-name:        SYSTEX
descr:          Systex Corporation
admin-c:        ST6-TW
tech-c:         ST6-TW
import:         from as7481  accept as7481
export:         to as2914  announce AS-SYSTEX
remarks:        NTT Taiwan Customer
notify:         ntt@mail.sysnet.net.tw
mnt-by:         MAINT-SYSTEX
changed:        lisa.ko@ntt.com 20020611
source:         NTTCOM

aut-num:        AS4783
as-name:        SYSNET-AS1
descr:          SYSTEX CORPORATION
descr:          SYSNET BUSINESS UINT
descr:          Taipei Taiwan R.O.C.
country:        TW
import:         from AS4778 action pref=101; accept ANY
import:         from AS4780 action pref=102; accept ANY
import:         from AS7481 action pref=103; accept ANY
import:         from AS7483 action pref=104; accept ANY
import:         from AS9311 action pref=105; accept ANY
export:         to AS4778 announce ANY
export:         to AS4780 announce ANY
export:         to AS7481 announce ANY
export:         to AS7483 announce ANY
export:         to AS9311 announce ANY
default:        to AS4780 action pref=101; networks ANY
admin-c:        JC4-AP
tech-c:         JC4-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-SYSNET-TW
last-modified:  2025-11-06T09:06:02Z
source:         APNIC

Direct Membership

Macros that directly list AS4783 as a member:

AS-SYSTEX(1 members)
AS-TFN-TRANSIT1(102 members)
AS-HKTCUSTOMER(196 members)
AS-SEEDNET(240 members)
AS-TWIG(2292 members)
AS-ANC-CUSTOMER-PROXY-REGISTER(2405 members)
AS58453:AS-ASIAASCUST(2512 members)
AS3491:AS-CUSTOMERS-NA(2785 members)
AS3491:AS-CUSTOMERS-AP(3895 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)

Expanded Membership

All macros containing AS4783 (directly or via nested macros): 285

Show 100 macros

AS-SYSTEX(1 ASNs)
AS-TFN-TRANSIT1(103 ASNs)
AS-HKTCUSTOMER(196 ASNs)
AS-SEEDNET(279 ASNs)
AS-ANC-CUSTOMER-PROXY-REGISTER(2,405 ASNs)
AS-TWIG(2,914 ASNs)
AS-PACNET(4,289 ASNs)
AS-ANC(4,335 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS58453:AS-ASIAASCUST(15,313 ASNs)
AS58453:AS-CMI-ALL(18,020 ASNs)
AS-CMI-ALL(18,021 ASNs)
AS-SEABONECUSTAS(19,767 ASNs)
AS-XO(23,361 ASNs)
AS-VSNL-IN(23,661 ASNs)
AS-FLAGP(25,034 ASNs)
AS-FLAGT(25,034 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS-MFNX(26,187 ASNs)
AS-RETN-HK(26,343 ASNs)
AS47214:AS-LILLIX(26,738 ASNs)
AS43100:AS-MEMBERS(26,826 ASNs)
AS-SFINX-RS-MEMBERS-IPV6(26,914 ASNs)
AS-SFINX-RS-MEMBERS(26,976 ASNs)
AS-STUIX(41,458 ASNs)
AS201376:AS-PEERS(42,984 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-NIXSK-RSCLIENTS(55,989 ASNs)
AS47627:AS-NIXSK-RSCLIENTS(56,033 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)
AS-TOPIX-RS(57,252 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)
... and 185 more

Upstream AS Paths

19 unique paths, avg length 3.3

AS Looking Glass

Upstream paths (matching graph above)

AS14537 → AS13786 → AS9002 → AS4780 → AS4783
AS61573 → AS174 → AS3491 → AS9924 → AS4783
AS136557 → AS174 → AS3491 → AS9924 → AS4783
AS262427 → AS174 → AS3491 → AS9924 → AS4783
AS52320 → AS1299 → AS3491 → AS9924 → AS4783
AS2497 → AS3491 → AS9924 → AS4783
AS199524 → AS3356 → AS3491 → AS9924 → AS4783
AS25091 → AS6762 → AS3491 → AS9924 → AS4783
AS8298 → AS8283 → AS3491 → AS9924 → AS4783
AS32590 → AS12956 → AS3491 → AS9924 → AS4783
AS49544 → AS3491 → AS9924 → AS4783
AS2734 → AS6939 → AS9924 → AS4783
AS11399 → AS6939 → AS9924 → AS4783
AS148968 → AS6939 → AS9924 → AS4783
AS142271 → AS9304 → AS9924 → AS4783
AS24482 → AS9924 → AS4783
AS137409 → AS9924 → AS4783

AS4783 IPv4 Address Subnets (7)

210.63.0.0/19	🇹🇼 TW		SYSTEX
210.63.32.0/19	🇹🇼 TW	Taiwan Fixed Network	SYSTEX
210.67.32.0/19	🇹🇼 TW		SYSTEX
202.39.96.0/20	🇹🇼 TW	SeedNet (Customer Route, SYSNET-NET)	SYSTEX
210.67.0.0/20	🇹🇼 TW		SYSTEX
210.67.112.0/20	🇹🇼 TW	SeedNet (Customer Route, SYSNET-NET)	SYSTEX
210.67.16.0/20	🇹🇼 TW		SYSTEX