asn.dev

Address space

AS1659 ERX-TANET-ASN1 Taiwan Academic Network TANet Information Center

IPv4 prefixes 131 5.53M addresses
IPv6 prefixes 1
Most common size /16 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/13
/13: 1
1
/14
/14: 6
6
/15
/15: 10
10
/16
/16: 20
20
/17
/17: 12
12
/18
/18: 11
11
/19
/19: 16
16
/20
/20: 16
16
/21
/21: 12
12
/22
/22: 11
11
/23
/23: 8
8
/24
/24: 8
8

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
TWTaiwan, Province of China132

Inventory

All prefixes

132 total
PrefixFamilyAddressesCountryFlags
120.96.32.0/19IPv48,192TW
120.96.64.0/18IPv416,384TW
120.96.128.0/18IPv416,384TW
120.96.192.0/19IPv48,192TW
120.96.224.0/20IPv44,096TW
120.96.252.0/22IPv41,024TW
120.97.0.0/16IPv465,536TW
120.98.0.0/15IPv4131,072TW
120.100.0.0/14IPv4262,144TW
120.104.0.0/15IPv4131,072TW
120.106.0.0/16IPv465,536TW
120.107.0.0/18IPv416,384TW
120.107.64.0/18IPv416,384TW
120.107.128.0/17IPv432,768TW
120.108.0.0/14IPv4262,144TW
120.112.0.0/16IPv465,536TW
120.113.0.0/17IPv432,768TW
120.113.128.0/17IPv432,768TW
120.114.0.0/15IPv4131,072TW
120.116.0.0/14IPv4262,144TW
120.120.0.0/14IPv4262,144TW
120.124.0.0/15IPv4131,072TW
120.126.0.0/19IPv48,192TW
120.126.112.0/20IPv44,096TW
120.126.128.0/17IPv432,768TW
120.127.0.0/17IPv432,768TW
120.127.128.0/19IPv48,192TW
120.127.192.0/18IPv416,384TW
134.208.0.0/16IPv465,536TW
140.92.0.0/16IPv465,536TW
140.111.0.0/16IPv465,536TW
140.116.0.0/16IPv465,536TW
140.118.0.0/15IPv4131,072TW
140.120.0.0/16IPv465,536TW
140.121.0.0/16IPv465,536TW
140.122.0.0/15IPv4131,072TW
140.124.0.0/14IPv4262,144TW
140.128.0.0/16IPv465,536TW
140.129.0.0/19IPv48,192TW
140.129.32.0/20IPv44,096TW
140.129.48.0/23IPv4512TW
140.129.50.0/24IPv4256TW
140.129.81.0/24IPv4256TW
140.129.82.0/23IPv4512TW
140.129.84.0/22IPv41,024TW
140.129.88.0/21IPv42,048TW
140.129.96.0/19IPv48,192TW
140.129.128.0/17IPv432,768TW
140.130.0.0/15IPv4131,072TW
140.132.0.0/15IPv4131,072TW
140.134.0.0/16IPv465,536TW
140.135.0.0/16IPv465,536TW
140.136.0.0/17IPv432,768TW
140.137.0.0/16IPv465,536TW
140.138.0.0/16IPv465,536TW
163.13.0.0/16IPv465,536TW
163.14.0.0/15IPv4131,072TW
163.16.0.0/13IPv4524,288TW
163.24.0.0/14IPv4262,144TW
163.28.0.0/16IPv465,536TW
163.30.0.0/15IPv4131,072TW
163.32.0.0/16IPv465,536TW
192.83.166.0/23IPv4512TW
192.83.168.0/21IPv42,048TW
192.83.176.0/20IPv44,096TW
192.83.192.0/22IPv41,024TW
192.83.196.0/24IPv4256TW
192.192.0.0/20IPv44,096TW
192.192.16.0/22IPv41,024TW
192.192.20.0/23IPv4512TW
192.192.22.0/23IPv4512TW
192.192.24.0/21IPv42,048TW
192.192.32.0/20IPv44,096TW
192.192.49.0/24IPv4256TW
192.192.50.0/23IPv4512TW
192.192.52.0/22IPv41,024TW
192.192.56.0/21IPv42,048TW
192.192.64.0/19IPv48,192TW
192.192.96.0/20IPv44,096TW
192.192.112.0/22IPv41,024TW
192.192.116.0/22IPv41,024TW
192.192.120.0/21IPv42,048TW
192.192.128.0/18IPv416,384TW
192.192.192.0/19IPv48,192TW
192.192.224.0/20IPv44,096TW
192.192.240.0/21IPv42,048TW
192.192.248.0/22IPv41,024TW
192.192.252.0/22IPv41,024TW
203.64.0.0/20IPv44,096TW
203.64.16.0/20IPv44,096TW
203.64.32.0/19IPv48,192TW
203.64.64.0/18IPv416,384TW
203.64.128.0/17IPv432,768TW
203.68.0.0/16IPv465,536TW
203.71.0.0/16IPv465,536TW
203.72.0.0/21IPv42,048TW
203.72.8.0/21IPv42,048TW
203.72.16.0/20IPv44,096TW
203.72.32.0/19IPv48,192TW
203.72.64.0/18IPv416,384TW
203.72.128.0/17IPv432,768TW
210.59.0.0/17IPv432,768TW
210.60.0.0/19IPv48,192TW
210.60.32.0/19IPv48,192TW
210.60.64.0/20IPv44,096TW
210.60.80.0/21IPv42,048TW
210.60.88.0/22IPv41,024TW
210.60.92.0/24IPv4256TW
210.60.93.0/24IPv4256TW
210.60.94.0/23IPv4512TW
210.60.96.0/20IPv44,096TW
210.60.112.0/21IPv42,048TW
210.60.120.0/22IPv41,024TW
210.60.124.0/23IPv4512TW
210.60.126.0/24IPv4256TW
210.60.127.0/24IPv4256TW
210.60.128.0/18IPv416,384TW
210.60.192.0/19IPv48,192TW
210.60.224.0/19IPv48,192TW
210.62.64.0/19IPv48,192TW
210.62.224.0/20IPv44,096TW
210.62.240.0/21IPv42,048TW
210.67.248.0/21IPv42,048TW
210.70.0.0/18IPv416,384TW
210.70.64.0/20IPv44,096TW
210.70.80.0/20IPv44,096TW
210.70.96.0/19IPv48,192TW
210.70.128.0/17IPv432,768TW
210.71.0.0/17IPv432,768TW
210.240.0.0/16IPv465,536TW
210.243.0.0/18IPv416,384TW
2001:288::/32IPv6—TW