asn.dev

Address space

AS7671 MCNET NTT SmartConnect Corporation

IPv4 prefixes 45 454K addresses
IPv6 prefixes 2
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 3
3
/17
/17: 1
1
/18
/18: 6
6
/19
/19: 8
8
/20
/20: 11
11
/21
/21: 4
4
/22
/22: 4
4
/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
/30
/30: 1
1
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
JPJapan47

Inventory

All prefixes

47 total
PrefixFamilyAddressesCountryFlags
58.147.192.0/18IPv416,384JP
103.28.236.0/22IPv41,024JP
114.129.0.0/21IPv42,048JP
114.129.48.0/20IPv44,096JP
117.58.224.0/20IPv44,096JP
122.50.16.0/20IPv44,096JP
122.100.16.0/21IPv42,048JP
124.241.192.0/18IPv416,384JP
124.245.0.0/16IPv465,536JP
125.252.128.0/18IPv416,384JP
157.3.0.0/16IPv465,536JP
157.4.0.0/16IPv465,536JP
192.218.14.0/24IPv4256JP
202.62.176.0/20IPv44,096JP
202.71.64.0/19IPv48,192JP
202.78.208.0/23IPv4512JP
202.78.210.0/23IPv4512JP
202.78.212.0/23IPv4512JP
202.78.214.0/23IPv4512JP
202.78.216.0/22IPv41,024JP
202.78.220.0/22IPv41,024JP
202.189.176.0/21IPv42,048JP
202.211.112.0/20IPv44,096JP
202.242.245.0/24IPv4256JP
202.255.103.0/24IPv4256JP
203.78.224.0/19IPv48,192JP
203.184.96.0/19IPv48,192JP
203.211.160.0/19IPv48,192JP
203.211.192.0/18IPv416,384JP
210.89.192.0/18IPv416,384JP
210.172.32.0/19IPv48,192JP
210.233.240.0/20IPv44,096JP
210.247.0.0/23IPv4512JP
210.247.4.0/22IPv41,024JP
210.247.8.0/21IPv42,048JP
210.247.16.0/20IPv44,096JP
210.247.32.0/19IPv48,192JP
210.247.64.0/18IPv416,384JP
211.1.224.0/19IPv48,192JP
219.96.64.0/19IPv48,192JP
219.103.32.0/20IPv44,096JP
219.111.224.0/20IPv44,096JP
219.113.64.0/20IPv44,096JP
219.124.32.0/20IPv44,096JP
222.231.128.0/17IPv432,768JP
2001:350::/32IPv6—JP
2001:d70::/30IPv6—JP