asn.dev

Address space

AS17511 OPTAGE OPTAGE Inc.

IPv4 prefixes 61 2.99M addresses
IPv6 prefixes 12
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/13
/13: 1
1
/14
/14: 5
5
/15
/15: 2
2
/16
/16: 9
9
/17
/17: 5
5
/18
/18: 3
3
/19
/19: 4
4
/20
/20: 10
10
/21
/21: 3
3
/22
/22: 11
11
/23
/23: 5
5
/24
/24: 3
3

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
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 2
2

Geography

Where the space lands

CountryNamePrefixes
JPJapan73

Inventory

All prefixes

73 total
PrefixFamilyAddressesCountryFlags
58.70.0.0/16IPv465,536JP
58.188.0.0/16IPv465,536JP
58.189.0.0/17IPv432,768JP
58.189.128.0/18IPv416,384JP
58.189.192.0/18IPv416,384JP
58.190.0.0/15IPv4131,072JP
59.190.0.0/16IPv465,536JP
60.56.0.0/15IPv4131,072JP
61.122.240.0/20IPv44,096JP
61.195.96.0/19IPv48,192JP
61.205.0.0/20IPv44,096JP
61.205.80.0/20IPv44,096JP
61.205.96.0/19IPv48,192JP
61.213.128.0/20IPv44,096JP
101.140.0.0/14IPv4262,144JP
103.65.208.0/22IPv41,024JP
103.84.124.0/22IPv41,024JP
103.95.206.0/24IPv4256JP
103.97.232.0/21IPv42,048JP
103.99.124.0/22IPv41,024JP
103.112.180.0/22IPv41,024JP
103.116.152.0/22IPv41,024JP
103.124.200.0/22IPv41,024JP
103.142.132.0/23IPv4512JP
103.199.132.0/22IPv41,024JP
112.68.0.0/14IPv4262,144JP
119.228.0.0/14IPv4262,144JP
121.80.0.0/13IPv4524,288JP
122.100.24.0/21IPv42,048JP
128.22.0.0/16IPv465,536JP
128.27.0.0/16IPv465,536JP
138.248.64.0/22IPv41,024JP
150.57.0.0/16IPv465,536JP
150.66.0.0/16IPv465,536JP
158.198.0.0/16IPv465,536JP
160.25.92.0/23IPv4512JP
160.233.0.0/16IPv465,536JP
180.144.0.0/14IPv4262,144JP
182.164.0.0/14IPv4262,144JP
192.51.144.0/21IPv42,048JP
202.8.48.0/20IPv44,096JP
202.19.159.0/24IPv4256JP
202.26.228.0/22IPv41,024JP
202.34.10.0/23IPv4512JP
202.34.12.0/23IPv4512JP
202.60.32.0/20IPv44,096JP
202.62.253.0/24IPv4256JP
202.216.48.0/20IPv44,096JP
202.223.48.0/22IPv41,024JP
202.244.138.0/23IPv4512JP
203.140.64.0/19IPv48,192JP
203.175.80.0/20IPv44,096JP
210.199.80.0/20IPv44,096JP
218.42.192.0/18IPv416,384JP
218.45.96.0/20IPv44,096JP
218.228.128.0/17IPv432,768JP
218.251.0.0/17IPv432,768JP
219.75.128.0/17IPv432,768JP
219.100.52.0/22IPv41,024JP
219.122.32.0/19IPv48,192JP
219.122.128.0/17IPv432,768JP
2001:ce8::/41IPv6—JP
2001:ce8:80::/43IPv6—JP
2001:ce8:a0::/43IPv6—JP
2001:ce8:c0::/42IPv6—JP
2001:ce8:100::/40IPv6—JP
2001:ce8:200::/39IPv6—JP
2001:ce8:400::/38IPv6—JP
2001:ce8:800::/37IPv6—JP
2001:ce8:1000::/36IPv6—JP
2001:ce8:2000::/35IPv6—JP
2001:ce8:4000::/34IPv6—JP
2001:ce8:8000::/33IPv6—JP