AS18413 — GBTC-TW
AS Name: GBTC-TW
Description: Great Taipei Broadband Company Ltd. Internet Service Provider 8F, 33, Lane 11, Kwang Fu N. Rd.,Taipei,Taiwan 105,R.O.C.
Registry: APNIC
⚠️ CIRCL BGP Security Rank: 0.0234% (position 7234)
aut-num: AS18413
as-name: GBTC-TW
descr: Great Taipei Broadband Company Ltd.
descr: Internet Service Provider
descr: 8F, 33, Lane 11, Kwang Fu N. Rd.,Taipei,Taiwan 105,R.O.C.
country: TW
import: from AS4780 action pref=200; accept ANY
import: from AS4747 action pref=100; accept AS413
import: from AS4747 action pref=300; accept ANY
import: from AS9416 action pref=400; accept ANY
export: to AS4780 announce as18413
export: to AS4747 announce as18413
export: to AS9416 announce as18413
default: to AS4780 action pref=100;networks ANY
admin-c: TK223-AP
admin-c: TK223-AP
tech-c: TK223-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-GTBC-TW
last-modified: 2025-11-06T09:25:34Z
source: APNIC
Direct Membership
Macros that directly list AS18413 as a member:
AS-GTBC-TW(1 members)
AS-TTN(6 members)
AS-DFT-TRANSIT(20 members)
AS-SPARQ(47 members)
AS-EBIX-TRANSIT(70 members)
AS-CHIEF-TRANSIT(209 members)
AS-SEEDNET(240 members)
AS-HINET(364 members)
AS-IIJ(1639 members)
AS-TWIG(2292 members)
AS-ANC-CUSTOMER-PROXY-REGISTER(2405 members)
AS3491:AS-CUSTOMERS-AP(3895 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-RETN-ACTUAL-V4(12045 members)
Expanded Membership
All macros containing AS18413 (directly or via nested macros): 332
Show 100 macros
AS-GTBC-TW(1 ASNs)
AS-TTN(6 ASNs)
AS-DFT-TRANSIT(20 ASNs)
AS140096:AS-STUIX(37 ASNs)
AS-SPARQ(47 ASNs)
AS-EBIX-TRANSIT(73 ASNs)
AS-EBT(79 ASNs)
AS-TFN-TRANSIT1(103 ASNs)
AS-SEEDNET(279 ASNs)
AS-HINET(364 ASNs)
AS-ANC-CUSTOMER-PROXY-REGISTER(2,405 ASNs)
AS-CTGNET-CUT(2,544 ASNs)
AS-TWIG(2,914 ASNs)
AS-IIJ(3,162 ASNs)
AS-PACNET(4,289 ASNs)
AS-ANC(4,335 ASNs)
AS-SGGS(5,288 ASNs)
AS-FALCORE-AU(5,305 ASNs)
AS-FALCORE-AU-CUST(5,305 ASNs)
AS-CHIEF-TRANSIT(6,746 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-RETN-ACTUAL-V4(12,045 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-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-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-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS-DECIX-LIS-V6(32,541 ASNs)
AS43729:AS-DECIX-LIS-V6(32,541 ASNs)
AS-DECIX-LIS(34,749 ASNs)
AS43729:AS-DECIX-LIS(34,749 ASNs)
AS48193:AS-PITER-IX-FRA(36,250 ASNs)
AS-TTK(36,818 ASNs)
AS702:AS-SE-CUSTOMER(37,142 ASNs)
AS-TORIX(37,868 ASNs)
AS-LSC-IXP-RS(38,302 ASNs)
AS-LSC-IXP(38,312 ASNs)
AS5413:AS-ROUTE-SERVER-DE-CIX(39,681 ASNs)
AS-LUCIX-RS(40,498 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)
AS201376:AS-PEERS(42,984 ASNs)
AS702:AS-CUSTOMER(43,022 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)
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)
... and 232 more
Upstream AS Paths
44 unique paths, avg length 3.4
AS Looking Glass
Upstream paths (matching graph above)
All 44 Upstream Paths
Complete list of all observed paths
AS18413 IPv4 Address Subnets (8)
| 61.65.192.0/20 | 🇹🇼 TW | Customer Route | GBTC-TW |
| 61.67.0.0/20 | 🇹🇼 TW | Taiwan Telecommunication Network Services Co. Ltd.… | GBTC-TW |
| 61.67.0.0/22 | 🇹🇼 TW | Registered for Route | GBTC-TW |
| 61.67.12.0/22 | 🇹🇼 TW | Registered for Route | GBTC-TW |
| 61.67.4.0/22 | 🇹🇼 TW | Registered for Route | GBTC-TW |
| 61.67.8.0/22 | 🇹🇼 TW | Registered for Route | GBTC-TW |
| 61.67.4.0/24 | 🇹🇼 TW | Proxy-registered route object | GBTC-TW |
| 61.67.9.0/24 | 🇹🇼 TW | Proxy-registered route object | GBTC-TW |