Autonomous System details
AS9505
Chunghwa Telecom Co., Ltd. — cht.com.tw
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Summary
| Country |
 Taiwan
|
| Organization | Chunghwa Telecom Co., Ltd. |
| Domain | cht.com.tw |
| Number of IPv4 | 31,232 |
| Number of IPv6 | 4.0735× 1031 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | June 10, 2020 (about 5 years ago) |
IP Ranges
AS9505 announces 34 IPv4 ranges and 10 IPv6 ranges.
That's a total of 31,232 IPv4 addresses and 4.0735× 1031 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 66.171.112.0/21 |
CHUNGHWA TELECOM TWGATE
|
2,048 | ARIN | REASSIGNMENT |
| 175.41.48.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.48.0/20 |
Chunghwa Telecom CO.,LTD.
|
4,096 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.49.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.50.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.51.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.52.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.54.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.55.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.56.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.57.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.58.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.61.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.62.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.41.63.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.224.0/20 |
Chunghwa Telecom CO.,LTD.
|
4,096 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.235.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.236.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.237.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.238.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.239.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 175.111.240.0/21 |
Chunghwa Telecom CO.,LTD.
|
2,048 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.78.176.0/20 |
Chunghwa Telecom CO.,LTD.
|
4,096 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.78.179.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.78.180.0/24 |
International Business Group,
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.78.182.0/24 |
International Business Group,
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.160.224.0/20 |
Chunghwa Telecom CO.,LTD.
|
4,096 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.160.231.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.160.232.0/24 |
International Business Group,
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.160.233.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 203.160.235.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 208.70.200.0/21 |
 John Shieh
|
2,048 | ARIN | REASSIGNMENT |
| 220.128.48.0/21 |
Chunghwa Telecom CO.,LTD.
|
2,048 | TWNIC | ASSIGNED NON-PORTABLE |
| 220.128.48.0/24 |
Chunghwa Telecom CO.,LTD.
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:b200::/32 |
Hinet Taiwan
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
| 2001:b200::/23 |
Hinet Taiwan
|
4.0565× 1031 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:600::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:1e00::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:1f00::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:2000::/35 |
Hinet Taiwan
|
9.9035× 1027 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:2200::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:3e00::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:b200:3f00::/40 |
Hinet Taiwan
|
3.0949× 1026 | APNIC | ALLOCATED PORTABLE |
| 2606:c00::/32 |
Chunghwa Telecom Global, INC
|
7.9228× 1028 | ARIN | ALLOCATION |
Peers
AS9505 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS42
AS714
AS917
AS955
AS983
AS984
AS1267
AS1280
AS1410
AS1828
AS2152
AS2381
AS2497
AS2500
AS2516
AS2518
AS2603
AS2635
AS2734
AS2818
AS2856
AS2906
AS2907
AS3223
AS3462
AS3491
AS3605
AS3786
AS4004
AS4058
AS4134
AS4181
AS4229
AS4455
AS4608
AS4618
AS4621
AS4637
AS4648
AS4764
AS4766
AS4809
AS4818
AS4826
AS4844
AS4862
AS6079
AS6325
AS6327
AS6453
AS6663
AS6939
AS7195
AS7342
AS7473
AS7481
AS7540
AS7568
AS7575
AS7598
AS7632
AS7693
AS7713
AS8095
AS8220
AS8359
AS8426
AS8468
AS8529
AS8560
AS8607
AS8796
AS8966
AS9002
AS9009
AS9145
AS9299
AS9457
AS9507
AS9848
AS9886
AS9908
AS9930
AS10024
AS10075
AS10099
AS10111
AS10226
AS11164
AS12200
AS12552
AS12654
AS12713
AS13150
AS13237
AS13335
AS14340
AS14537
AS15412
AS15557
AS15802
AS15830
AS15967
AS16164
AS16265
AS16276
AS16509
AS16552
AS17433
AS17476
AS17497
AS17639
AS17645
AS17660
AS17676
AS17683
AS17806
AS17922
AS17976
AS18001
AS18013
AS18046
AS18106
AS18403
AS18678
AS19151
AS20326
AS20473
AS20485
AS20804
AS20940
AS21396
AS21859
AS21928
AS22697
AS23367
AS23470
AS23473
AS23673
AS23764
AS23775
AS23778
AS23805
AS23930
AS23932
AS23947
AS24088
AS24173
AS24271
AS24429
AS24441
AS24482
AS24516
AS25577
AS26042
AS26464
AS26496
AS26744
AS27281
AS28554
AS29550
AS30058
AS30598
AS30844
AS30999
AS31500
AS32590
AS32934
AS33891
AS35280
AS35908
AS35916
AS35985
AS36351
AS36530
AS37342
AS37468
AS38001
AS38090
AS38496
AS38623
AS38631
AS38740
AS38757
AS38794
AS38880
AS39120
AS39351
AS40065
AS41095
AS41378
AS44444
AS45102
AS45265
AS45296
AS45352
AS45356
AS45430
AS45437
AS45474
AS45489
AS45498
AS45899
AS45903
AS49544
AS51847
AS53828
AS53991
AS54825
AS55655
AS55720
AS55944
AS56038
AS56258
AS57976
AS58325
AS58453
AS58511
AS58879
AS58945
AS58952
AS59105
AS59139
AS59318
AS59378
AS59692
AS59796
AS60068
AS63199
AS63927
AS63949
AS63956
AS64315
AS131267
AS131447
AS131642
AS132146
AS132167
AS132203
AS132280
AS132337
AS132602
AS132825
AS132876
AS133372
AS133385
AS133424
AS133543
AS133847
AS133880
AS134176
AS134187
AS134363
AS134578
AS134654
AS134734
AS135069
AS135126
AS135391
AS135529
AS136255
AS136557
AS136744
AS136907
AS137263
AS137367
AS137409
AS137491
AS137753
AS137897
AS138089
AS138128
AS138915
AS139009
AS140227
AS140627
AS140719
AS140951
AS141109
AS146762
AS148968
AS149485
AS149513
AS150150
AS150161
AS150178
AS150369
AS150748
AS151326
AS152144
AS152672
AS153371
AS198781
AS199524
AS207841
AS213241
AS216211
AS216444
AS271253
AS328126
AS394749
AS396356
AS397849
AS398465
AS398704
AS400514
Upstreams
AS9505 connects to the global Internet via at least 4 upstream providers. In this setup, AS9505 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS9505 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS9505's role in extending Internet access beyond its own infrastructure.