asn.dev

Address space

AS4694 IDCF IDC Frontier Inc.

IPv4 prefixes 286 1.04M addresses
IPv6 prefixes 4
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 3
3
/17
/17: 3
3
/18
/18: 13
13
/19
/19: 18
18
/20
/20: 46
46
/21
/21: 48
48
/22
/22: 60
60
/23
/23: 52
52
/24
/24: 43
43

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: 4
4

Geography

Where the space lands

CountryNamePrefixes
JPJapan290

Inventory

All prefixes

290 total
PrefixFamilyAddressesCountryFlags
61.115.224.0/20IPv44,096JP
61.121.198.0/24IPv4256JP
61.121.200.0/24IPv4256JP
61.121.240.0/20IPv44,096JP
61.195.160.0/20IPv44,096JP
61.203.176.0/20IPv44,096JP
61.206.32.0/20IPv44,096JP
61.215.208.0/20IPv44,096JP
64.56.160.0/19IPv48,192JP
103.241.128.0/22IPv41,024JP
153.124.236.0/23IPv4512JP
154.33.0.0/16IPv465,536JP
154.34.64.0/18IPv416,384JP
154.34.128.0/17IPv432,768JP
158.205.0.0/18IPv416,384JP
158.205.64.0/19IPv48,192JP
158.205.96.0/20IPv44,096JP
158.205.112.0/21IPv42,048JP
158.205.120.0/23IPv4512JP
158.205.122.0/23IPv4512JP
158.205.124.0/22IPv41,024JP
158.205.128.0/18IPv416,384JP
158.205.192.0/22IPv41,024JP
158.205.196.0/23IPv4512JP
158.205.198.0/24IPv4256JP
158.205.199.0/24IPv4256JP
158.205.200.0/21IPv42,048JP
158.205.208.0/20IPv44,096JP
158.205.224.0/22IPv41,024JP
158.205.228.0/23IPv4512JP
158.205.230.0/23IPv4512JP
158.205.232.0/22IPv41,024JP
158.205.236.0/23IPv4512JP
158.205.238.0/24IPv4256JP
158.205.239.0/24IPv4256JP
158.205.240.0/20IPv44,096JP
160.239.20.0/23IPv4512JP
160.239.31.0/24IPv4256JP
160.239.32.0/22IPv41,024JP
164.46.0.0/16IPv465,536JP
182.54.252.0/22IPv41,024JP
202.33.0.0/21IPv42,048JP
202.33.64.0/22IPv41,024JP
202.33.92.0/22IPv41,024JP
202.33.102.0/23IPv4512JP
202.33.104.0/21IPv42,048JP
202.33.200.0/21IPv42,048JP
202.33.216.0/21IPv42,048JP
202.58.1.0/24IPv4256JP
202.218.0.0/21IPv42,048JP
202.218.8.0/22IPv41,024JP
202.218.12.0/23IPv4512JP
202.218.15.0/24IPv4256JP
202.218.16.0/20IPv44,096JP
202.218.32.0/22IPv41,024JP
202.218.36.0/22IPv41,024JP
202.218.40.0/21IPv42,048JP
202.218.48.0/22IPv41,024JP
202.218.52.0/22IPv41,024JP
202.218.56.0/21IPv42,048JP
202.218.64.0/20IPv44,096JP
202.218.80.0/20IPv44,096JP
202.218.96.0/21IPv42,048JP
202.218.104.0/22IPv41,024JP
202.218.108.0/23IPv4512JP
202.218.110.0/23IPv4512JP
202.218.112.0/21IPv42,048JP
202.218.120.0/21IPv42,048JP
202.218.128.0/18IPv416,384JP
202.218.192.0/19IPv48,192JP
202.218.224.0/20IPv44,096JP
202.218.240.0/21IPv42,048JP
202.218.248.0/22IPv41,024JP
202.218.252.0/23IPv4512JP
202.218.254.0/23IPv4512JP
202.228.192.0/22IPv41,024JP
202.228.196.0/23IPv4512JP
202.228.198.0/23IPv4512JP
202.228.200.0/21IPv42,048JP
202.228.208.0/20IPv44,096JP
202.228.224.0/22IPv41,024JP
202.228.228.0/23IPv4512JP
202.228.230.0/24IPv4256JP
202.228.231.0/24IPv4256JP
202.228.232.0/23IPv4512JP
202.228.234.0/23IPv4512JP
202.228.236.0/22IPv41,024JP
202.230.0.0/20IPv44,096JP
202.230.16.0/23IPv4512JP
202.230.18.0/24IPv4256JP
202.230.20.0/22IPv41,024JP
202.230.24.0/21IPv42,048JP
202.230.32.0/20IPv44,096JP
202.230.48.0/21IPv42,048JP
202.230.56.0/23IPv4512JP
202.230.58.0/24IPv4256JP
202.230.60.0/22IPv41,024JP
202.230.64.0/18IPv416,384JP
202.230.128.0/18IPv416,384JP
202.230.192.0/21IPv42,048JP
202.230.200.0/23IPv4512JP
202.230.202.0/23IPv4512JP
202.230.204.0/23IPv4512JP
202.230.206.0/23IPv4512JP
202.230.208.0/20IPv44,096JP
202.230.224.0/21IPv42,048JP
202.230.232.0/22IPv41,024JP
202.230.236.0/22IPv41,024JP
202.230.240.0/20IPv44,096JP
202.234.0.0/18IPv416,384JP
202.234.129.0/24IPv4256JP
202.234.130.0/24IPv4256JP
202.234.132.0/22IPv41,024JP
202.234.137.0/24IPv4256JP
202.234.138.0/23IPv4512JP
202.234.140.0/22IPv41,024JP
202.234.144.0/24IPv4256JP
202.234.147.0/24IPv4256JP
202.234.148.0/22IPv41,024JP
202.234.153.0/24IPv4256JP
202.234.155.0/24IPv4256JP
202.234.156.0/22IPv41,024JP
202.234.160.0/19IPv48,192JP
202.239.16.0/22IPv41,024JP
202.239.20.0/23IPv4512JP
202.239.22.0/23IPv4512JP
202.239.24.0/21IPv42,048JP
202.239.32.0/21IPv42,048JP
202.239.40.0/22IPv41,024JP
202.239.44.0/24IPv4256JP
202.239.45.0/24IPv4256JP
202.239.46.0/23IPv4512JP
202.239.48.0/20IPv44,096JP
202.241.192.0/18IPv416,384JP
203.137.0.0/16IPv465,536JP
203.145.224.0/19IPv48,192JP
203.183.0.0/18IPv416,384JP
203.183.64.0/19IPv48,192JP
203.183.96.0/19IPv48,192JP
203.183.128.0/20IPv44,096JP
203.183.144.0/21IPv42,048JP
203.183.152.0/24IPv4256JP
203.183.156.0/22IPv41,024JP
203.183.160.0/19IPv48,192JP
203.183.192.0/20IPv44,096JP
203.183.208.0/21IPv42,048JP
203.183.216.0/22IPv41,024JP
203.183.220.0/22IPv41,024JP
203.183.224.0/21IPv42,048JP
203.183.232.0/21IPv42,048JP
203.183.240.0/20IPv44,096JP
203.216.128.0/19IPv48,192JP
206.3.0.0/19IPv48,192JP
210.129.32.0/19IPv48,192JP
210.129.0.0/19IPv48,192JP
210.129.64.0/18IPv416,384JP
210.129.128.0/19IPv48,192JP
210.129.160.0/20IPv44,096JP
210.129.176.0/21IPv42,048JP
210.129.184.0/24IPv4256JP
210.129.186.0/23IPv4512JP
210.129.188.0/22IPv41,024JP
210.129.192.0/18IPv416,384JP
210.140.0.0/21IPv42,048JP
210.140.8.0/23IPv4512JP
210.140.10.0/23IPv4512JP
210.140.12.0/22IPv41,024JP
210.140.16.0/20IPv44,096JP
210.140.34.0/23IPv4512JP
210.140.36.0/22IPv41,024JP
210.140.40.0/21IPv42,048JP
210.140.48.0/20IPv44,096JP
210.140.64.0/18IPv416,384JP
210.140.128.0/17IPv432,768JP
210.152.0.0/20IPv44,096JP
210.152.16.0/22IPv41,024JP
210.152.20.0/22IPv41,024JP
210.152.24.0/21IPv42,048JP
210.152.32.0/20IPv44,096JP
210.152.48.0/21IPv42,048JP
210.152.56.0/21IPv42,048JP
210.152.64.0/20IPv44,096JP
210.152.80.0/20IPv44,096JP
210.152.96.0/19IPv48,192JP
210.152.128.0/18IPv416,384JP
210.152.192.0/21IPv42,048JP
210.152.200.0/22IPv41,024JP
210.152.204.0/24IPv4256JP
210.152.205.0/24IPv4256JP
210.152.206.0/23IPv4512JP
210.152.208.0/20IPv44,096JP
210.152.224.0/21IPv42,048JP
210.152.232.0/22IPv41,024JP
210.152.236.0/24IPv4256JP
210.152.237.0/24IPv4256JP
210.152.238.0/23IPv4512JP
210.152.240.0/21IPv42,048JP
210.152.248.0/22IPv41,024JP
210.152.252.0/22IPv41,024JP
210.158.192.0/21IPv42,048JP
210.158.200.0/22IPv41,024JP
210.158.204.0/23IPv4512JP
210.158.206.0/24IPv4256JP
210.158.208.0/20IPv44,096JP
210.168.0.0/17IPv432,768JP
210.171.96.0/20IPv44,096JP
210.171.112.0/21IPv42,048JP
210.171.120.0/23IPv4512JP
210.171.122.0/24IPv4256JP
210.171.124.0/22IPv41,024JP
210.189.64.0/20IPv44,096JP
210.189.80.0/22IPv41,024JP
210.189.84.0/23IPv4512JP
210.189.86.0/23IPv4512JP
210.189.88.0/21IPv42,048JP
210.189.208.0/20IPv44,096JP
210.189.224.0/20IPv44,096JP
210.189.240.0/21IPv42,048JP
210.189.248.0/24IPv4256JP
210.189.250.0/23IPv4512JP
210.189.252.0/22IPv41,024JP
210.235.0.0/22IPv41,024JP
210.235.4.0/23IPv4512JP
210.235.8.0/21IPv42,048JP
210.235.16.0/20IPv44,096JP
210.236.224.0/21IPv42,048JP
210.236.232.0/23IPv4512JP
210.236.236.0/22IPv41,024JP
210.236.240.0/20IPv44,096JP
210.239.32.0/23IPv4512JP
210.239.34.0/23IPv4512JP
210.239.36.0/22IPv41,024JP
210.239.40.0/21IPv42,048JP
210.239.48.0/20IPv44,096JP
210.239.64.0/21IPv42,048JP
210.239.74.0/23IPv4512JP
210.239.76.0/22IPv41,024JP
210.239.80.0/21IPv42,048JP
210.239.88.0/22IPv41,024JP
210.239.92.0/24IPv4256JP
210.239.94.0/23IPv4512JP
210.250.192.0/19IPv48,192JP
210.252.96.0/22IPv41,024JP
210.252.100.0/23IPv4512JP
210.252.102.0/24IPv4256JP
210.252.104.0/21IPv42,048JP
210.252.112.0/20IPv44,096JP
211.2.192.0/21IPv42,048JP
211.2.200.0/22IPv41,024JP
211.2.204.0/23IPv4512JP
211.2.206.0/24IPv4256JP
211.2.207.0/24IPv4256JP
211.2.208.0/20IPv44,096JP
211.2.224.0/19IPv48,192JP
211.10.0.0/20IPv44,096JP
211.10.16.0/23IPv4512JP
211.10.18.0/23IPv4512JP
211.10.20.0/22IPv41,024JP
211.10.24.0/21IPv42,048JP
211.13.224.0/19IPv48,192JP
211.14.128.0/22IPv41,024JP
211.14.132.0/23IPv4512JP
211.14.134.0/24IPv4256JP
211.14.135.0/24IPv4256JP
211.14.136.0/21IPv42,048JP
211.14.144.0/20IPv44,096JP
211.14.160.0/20IPv44,096JP
211.14.176.0/20IPv44,096JP
211.120.0.0/19IPv48,192JP
211.120.32.0/22IPv41,024JP
211.120.36.0/22IPv41,024JP
211.120.40.0/21IPv42,048JP
211.120.48.0/20IPv44,096JP
211.133.128.0/23IPv4512JP
211.133.130.0/24IPv4256JP
211.133.131.0/24IPv4256JP
211.133.132.0/24IPv4256JP
211.133.133.0/24IPv4256JP
211.133.134.0/24IPv4256JP
211.133.135.0/24IPv4256JP
211.133.136.0/22IPv41,024JP
211.133.140.0/22IPv41,024JP
211.133.240.0/21IPv42,048JP
211.133.248.0/22IPv41,024JP
211.133.252.0/22IPv41,024JP
216.255.224.0/20IPv44,096JP
2001:310::/32IPv6—JP
2001:d88::/32IPv6—JP
2406:600::/32IPv6—JP
2406:a00::/32IPv6—JP