asn.dev

Address space

AS21947 BCI

IPv4 prefixes 29 70.14K addresses
IPv6 prefixes 10
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 3
3
/20
/20: 6
6
/21
/21: 6
6
/22
/22: 5
5
/23
/23: 5
5
/24
/24: 4
4

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
/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

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America39

Inventory

All prefixes

39 total
PrefixFamilyAddressesCountryFlags
64.25.128.0/23IPv4512US
64.25.131.0/24IPv4256US
64.25.132.0/22IPv41,024US
64.25.136.0/21IPv42,048US
66.109.128.0/20IPv44,096US
66.109.144.0/22IPv41,024US
66.109.148.0/23IPv4512US
66.109.151.0/24IPv4256US
66.109.152.0/21IPv42,048US
69.51.64.0/22IPv41,024US
69.51.68.0/23IPv4512US
69.51.72.0/21IPv42,048US
69.51.80.0/20IPv44,096US
69.51.96.0/19IPv48,192US
69.165.112.0/20IPv44,096US
192.150.152.0/21IPv42,048US
192.225.176.0/20IPv44,096US
198.60.195.0/24IPv4256US
199.195.120.0/21IPv42,048US
204.11.244.0/22IPv41,024US
205.167.162.0/23IPv4512US
209.137.225.0/24IPv4256US
209.137.226.0/23IPv4512US
209.137.228.0/22IPv41,024US
209.137.232.0/21IPv42,048US
209.137.240.0/20IPv44,096US
209.200.192.0/19IPv48,192US
216.14.224.0/19IPv48,192US
216.47.48.0/20IPv44,096US
2001:1940::/36IPv6—US
2001:1940:1000::/37IPv6—US
2001:1940:1900::/40IPv6—US
2001:1940:1a00::/39IPv6—US
2001:1940:1c00::/38IPv6—US
2001:1940:2000::/35IPv6—US
2001:1940:4000::/34IPv6—US
2001:1940:8000::/33IPv6—US
2604:300::/32IPv6—US
2607:f8e0::/32IPv6—US