asn.dev

Address space

AS2518 BIGLOBE BIGLOBE Inc.

IPv4 prefixes 36 3.67M addresses
IPv6 prefixes 2
Most common size /16 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/13
/13: 2
2
/14
/14: 4
4
/15
/15: 5
5
/16
/16: 10
10
/17
/17: 7
7
/18
/18: 1
1
/19
/19: 1
1
/20
/20: 1
1
/21
/21: 1
1
/22
/22: 1
1
/23
/23: 1
1
/24
/24: 2
2

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
/29
/29: 1
1
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
JPJapan38

Inventory

All prefixes

38 total
PrefixFamilyAddressesCountryFlags
27.127.0.0/17IPv432,768JP
49.129.0.0/16IPv465,536JP
60.236.0.0/14IPv4262,144JP
61.193.0.0/17IPv432,768JP
61.203.0.0/17IPv432,768JP
110.233.0.0/16IPv465,536JP
111.168.0.0/15IPv4131,072JP
118.108.0.0/14IPv4262,144JP
119.238.0.0/15IPv4131,072JP
119.240.0.0/14IPv4262,144JP
119.244.0.0/16IPv465,536JP
122.130.0.0/15IPv4131,072JP
122.132.0.0/14IPv4262,144JP
125.192.0.0/13IPv4524,288JP
133.200.0.0/13IPv4524,288JP
133.208.0.0/15IPv4131,072JP
202.225.0.0/16IPv465,536JP
202.247.0.0/18IPv416,384JP
202.247.64.0/21IPv42,048JP
202.247.72.0/22IPv41,024JP
202.247.76.0/23IPv4512JP
202.247.78.0/24IPv4256JP
202.247.79.0/24IPv4256JP
202.247.80.0/20IPv44,096JP
202.247.96.0/19IPv48,192JP
203.136.0.0/16IPv465,536JP
210.147.0.0/16IPv465,536JP
210.151.128.0/17IPv432,768JP
211.13.0.0/17IPv432,768JP
211.135.128.0/17IPv432,768JP
218.42.0.0/17IPv432,768JP
218.227.0.0/16IPv465,536JP
219.107.0.0/16IPv465,536JP
220.102.0.0/16IPv465,536JP
220.144.0.0/16IPv465,536JP
221.170.0.0/15IPv4131,072JP
2001:260::/32IPv6—JP
2404:7a80::/29IPv6—JP