AS131591 — AMBIT-AS-TW
AS Name: AMBIT-AS-TW
Description: Ambit Microsystem Corporation No. 32, Jihu Rd., Neihu Dist., Taipei 11492, Taiwan, R.O.C. Taipei Taiwan 114 Asia Pacific Telecom (GT4G)
Registry: APNIC
⚠️ CIRCL BGP Security Rank: 0.0013% (position 11185)
aut-num: AS131591
as-name: GT4G-NET
descr: Asia Pacific Telecom (GT4G)
admin-c: SY2644-AP
tech-c: SY2644-AP
mnt-by: MAINT-AS17709
changed: kiayang@aptg.com.tw 20160406 #03:56:49Z
source: RADB
last-modified: 2023-11-13T15:49:06Z
aut-num: AS131591
as-name: AMBIT-AS-TW
descr: Ambit Microsystem Corporation
descr: No. 32, Jihu Rd., Neihu Dist., Taipei 11492, Taiwan, R.O.C.
descr: Taipei Taiwan 114
country: TW
admin-c: SY2644-AP
tech-c: SY2644-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-FET-TW
last-modified: 2025-11-06T09:30:18Z
source: APNIC
Direct Membership
Macros that directly list AS131591 as a member:
AS-EBIX-TRANSIT(70 members)
AS-TWIG(2292 members)
AS58453:AS-ASIAASCUST(2512 members)
AS3491:AS-CUSTOMERS-AP(3895 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-HURRICANEV6(20402 members)
Expanded Membership
All macros containing AS131591 (directly or via nested macros): 341
Show 100 macros
AS-EBIX-TRANSIT(73 ASNs)
AS-EBT(79 ASNs)
AS-SEEDNET(279 ASNs)
AS-TWIG(2,914 ASNs)
AS-SGGS(5,288 ASNs)
AS-FALCORE-AU(5,305 ASNs)
AS-FALCORE-AU-CUST(5,305 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 ASNs)
AS58453:AS-ASIAASCUST(15,313 ASNs)
AS58453:AS-CMI-ALL(18,020 ASNs)
AS-CMI-ALL(18,021 ASNs)
AS-HURRICANEV6(20,402 ASNs)
AS-SEECIX-V6(20,691 ASNs)
AS56858:AS-SEECIX-V6(20,691 ASNs)
AS-DECIX-RIC-V6(20,721 ASNs)
AS393752:AS-DECIX-RIC-V6(20,721 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-TIX(21,568 ASNs)
AS-LITIX-V6(22,027 ASNs)
AS-T-CIX-V6(22,807 ASNs)
AS-VSNL-IN(23,661 ASNs)
AS-BALT-IX-V6(23,949 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-CIXP(24,509 ASNs)
AS-FLAGP(25,034 ASNs)
AS-FLAGT(25,034 ASNs)
AS-FIXO-V6(25,776 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-PITER-IX-FRA(27,939 ASNs)
AS-SET-STHIX-RS(28,136 ASNs)
AS-DECIX-BCN-V6(28,476 ASNs)
AS57802:AS-DECIX-BCN-V6(28,476 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-SWISS-IX(28,564 ASNs)
AS-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-DECIX-LIS-V6(32,541 ASNs)
AS43729:AS-DECIX-LIS-V6(32,541 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-EQUINIX-PA(34,681 ASNs)
AS-DECIX-LIS(34,749 ASNs)
AS43729:AS-DECIX-LIS(34,749 ASNs)
AS48193:AS-PITER-IX-FRA(36,250 ASNs)
AS-MONIX-PEERS(37,180 ASNs)
AS-TAHOEIX-MEMBERS(37,370 ASNs)
AS-MBIX-RS-MEMBERS(37,425 ASNs)
AS-ONIX(37,766 ASNs)
AS-TORIX(37,868 ASNs)
AS211776:AS-CRAFTBYTE-UPSTREAMS(37,882 ASNs)
AS-LSC-IXP-RS(38,302 ASNs)
AS-LSC-IXP(38,312 ASNs)
AS-VSIX-RS(38,411 ASNs)
AS207800:AS-RTIX-SET(39,194 ASNs)
AS33495:AS-MEMBERS(39,231 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-LUCIX-RS(40,498 ASNs)
AS7606:AS-QLD-IX(40,666 ASNs)
AS7606:AS-WA-IX(40,872 ASNs)
AS-STUIX(41,458 ASNs)
AS-SONIX(41,963 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)
AS-VANIX-RS-PARTICIPANTS(42,555 ASNs)
AS201376:AS-PEERS(42,984 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-FRANCE-IX-MARSEILLE(44,422 ASNs)
AS-RETN6(44,950 ASNs)
AS-ECIX-BER(45,114 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-ECIX-HAM(46,249 ASNs)
AS-INTELSATUS(46,298 ASNs)
AS7606:AS-NSW-IX(46,591 ASNs)
AS7606:AS-ALL(47,090 ASNs)
AS-RETN(47,667 ASNs)
AS-ECIX-MUC(48,469 ASNs)
AS-ECIX-DUS(48,854 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)
... and 241 more
Upstream AS Paths
67 unique paths, avg length 3.8
AS Looking Glass
Upstream paths (matching graph above)
All 67 Upstream Paths
Complete list of all observed paths
AS131591 IPv4 Address Subnets (277)
| 101.136.0.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.136.128.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.136.192.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.136.64.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.137.0.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.137.128.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.137.192.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.137.64.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.138.0.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
| 101.138.128.0/18 | 🇹🇼 TW | Proxy-registered route object | AMBIT-AS-TW |
AS131591 IPv6 Address Subnets (28)
| 2404:0:8000::/36 | 🇹🇼 TW | Asia Pacific Telecom | AMBIT-AS-TW |
| 2404:0:8210::/44 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8410::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8414::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8418::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:841c::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8420::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8424::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8510::/46 | 🇹🇼 TW | AMBIT-AS-TW | |
| 2404:0:8514::/46 | 🇹🇼 TW | AMBIT-AS-TW |