AS131660 — CHTCDN
AS Name: CHTCDN
Description: Data Communication Business Group, Chunghwa Telecom Co.,Ltd. No.21, Sec.1, Xinyi Rd., Taipei City 10048, Taiwan
Registry: APNIC
aut-num: AS131660
as-name: CHTCDN
descr: Data Communication Business Group,
descr: Chunghwa Telecom Co.,Ltd.
descr: No.21, Sec.1, Xinyi Rd., Taipei City
descr: 10048, Taiwan
country: TW
import: from AS7481 action pref=100; accept ANY AND NOT {0.0.0.0/0}
import: from AS3462 action pref=80; accept ANY AND NOT {0.0.0.0/0}
export: to AS7481 announce AS131660
export: to AS3462 announce AS131660
default: to AS3462 action pref=80; networks ANY
admin-c: HN27-AP
tech-c: HN27-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-HINET-AP
last-modified: 2025-11-07T01:10:43Z
source: APNIC
Direct Membership
Macros that directly list AS131660 as a member:
AS-TWIG(2292 members)
Expanded Membership
All macros containing AS131660 (directly or via nested macros): 235
Show 100 macros
AS-TWIG(2,914 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 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)
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)
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)
AS61374:AS-UAEIX-V6(71,954 ASNs)
AS-SIXSK-SETS-V6(71,982 ASNs)
AS-INTERLANRO(72,156 ASNs)
AS43289:AS-PEERS(72,157 ASNs)
AS-PEERINGCZ-RS(72,214 ASNs)
AS-DECIX-PMO-V6(72,294 ASNs)
AS25083:AS-DECIX-PMO-V6(72,294 ASNs)
AS-DECIX-PMO(72,297 ASNs)
AS25083:AS-DECIX-PMO(72,297 ASNs)
AS29535:AS-TPIX(72,365 ASNs)
AS-DTAG(72,392 ASNs)
AS3320:AS-DTAG(72,392 ASNs)
AS-DECIX-DUS(73,592 ASNs)
AS56890:AS-DECIX-DUS(73,592 ASNs)
AS2914:AS-EUROPE-V6(73,647 ASNs)
AS-EBONE(73,672 ASNs)
AS-ST1-UPSTREAMS(73,733 ASNs)
AS-DECIX-HAM(73,753 ASNs)
AS-WORKIX(73,753 ASNs)
AS43252:AS-DECIX-HAM(73,753 ASNs)
AS-DECIX-MRS(73,755 ASNs)
AS20717:AS-DECIX-MRS(73,755 ASNs)
AS-DECIX-IST-V6(73,807 ASNs)
AS20715:AS-DECIX-IST-V6(73,807 ASNs)
AS-DECIX-IST(73,942 ASNs)
AS20715:AS-DECIX-IST(73,942 ASNs)
AS-PL-IX(74,048 ASNs)
AS-PLIX(74,048 ASNs)
AS-VERIO-EUROPE(74,186 ASNs)
AS2914:AS-EUROPE(74,186 ASNs)
AS-BALCANIX(74,900 ASNs)
AS-SWISSIX-RS(75,248 ASNs)
AS42476:AS-SWISSIX(75,248 ASNs)
AS6881:AS-NIXCZ-CLIENTS(75,302 ASNs)
AS-NIXCZ-CLIENTS(75,315 ASNs)
AS-MIRONET-SWISSIX-PEERS(75,488 ASNs)
AS-SIX6(76,016 ASNs)
... and 135 more
Upstream AS Paths
61 unique paths, avg length 2.7
AS Looking Glass
Upstream paths (matching graph above)
All 61 Upstream Paths
Complete list of all observed paths
AS131660 IPv4 Address Subnets (5)
| 168.95.245.0/24 | 🇹🇼 TW | (HiNet) Chunghwa Telecom Co., Ltd. | HiNet |
| 168.95.246.0/24 | 🇹🇼 TW | CHTCDN | |
| 203.74.220.0/24 | 🇹🇼 TW | CHTCDN | |
| 203.74.221.0/24 | 🇹🇼 TW | CHTCDN | |
| 203.74.222.0/24 | 🇹🇼 TW | CHTCDN |
AS131660 IPv6 Address Subnets (5)
| 2001:b000:570::/48 | 🇹🇼 TW | CHTCDN | |
| 2001:b000:571::/48 | 🇹🇼 TW | CHTCDN | |
| 2001:b000:590::/48 | 🇹🇼 TW | CHTCDN | |
| 2001:b000:591::/48 | 🇹🇼 TW | CHTCDN | |
| 2001:b000:594::/48 | 🇹🇼 TW | CHTCDN |