asn.dev

Address space

AS18126 CTCX Chubu Telecommunications Company, Inc.

IPv4 prefixes 45 1.51M addresses
IPv6 prefixes 2
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/14
/14: 2
2
/15
/15: 2
2
/16
/16: 8
8
/17
/17: 3
3
/18
/18: 1
1
/19
/19: 2
2
/20
/20: 11
11
/21
/21: 4
4
/22
/22: 9
9
/23
/23: 2
2
/24
/24: 1
1

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: 2
2

Geography

Where the space lands

CountryNamePrefixes
JPJapan47

Inventory

All prefixes

47 total
PrefixFamilyAddressesCountryFlags
14.132.0.0/15IPv4131,072JP
14.192.32.0/20IPv44,096JP
45.114.16.0/22IPv41,024JP
45.119.164.0/22IPv41,024JP
59.130.0.0/16IPv465,536JP
103.2.20.0/22IPv41,024JP
103.41.136.0/22IPv41,024JP
103.44.84.0/22IPv41,024JP
103.64.132.0/22IPv41,024JP
112.137.56.0/21IPv42,048JP
113.155.0.0/16IPv465,536JP
115.36.0.0/14IPv4262,144JP
118.104.0.0/15IPv4131,072JP
118.106.0.0/16IPv465,536JP
123.1.0.0/17IPv432,768JP
123.48.0.0/16IPv465,536JP
124.18.0.0/16IPv465,536JP
133.88.227.0/24IPv4256JP
133.88.228.0/22IPv41,024JP
133.88.232.0/21IPv42,048JP
133.88.240.0/20IPv44,096JP
150.49.0.0/17IPv432,768JP
150.49.128.0/18IPv416,384JP
150.49.192.0/19IPv48,192JP
150.49.224.0/20IPv44,096JP
150.49.240.0/21IPv42,048JP
150.49.248.0/22IPv41,024JP
150.49.252.0/23IPv4512JP
162.4.98.0/23IPv4512JP
163.46.0.0/16IPv465,536JP
180.196.0.0/14IPv4262,144JP
202.41.208.0/20IPv44,096JP
202.62.160.0/20IPv44,096JP
202.124.0.0/20IPv44,096JP
202.124.208.0/20IPv44,096JP
202.142.224.0/19IPv48,192JP
202.150.48.0/21IPv42,048JP
203.129.112.0/20IPv44,096JP
203.209.176.0/22IPv41,024JP
210.173.144.0/20IPv44,096JP
218.216.176.0/20IPv44,096JP
219.8.0.0/16IPv465,536JP
219.117.32.0/20IPv44,096JP
222.9.0.0/16IPv465,536JP
223.29.0.0/17IPv432,768JP
2001:f58::/32IPv6—JP
2402:6b00::/32IPv6—JP