Address space

AS5774 USPS-001

IPv4 prefixes 40 197K addresses

IPv6 prefixes 2

Most common size /20 IPv4

Flagged 0

Shape

Prefix sizes

IPv4

/16

/18

/19

/20

/21

/22

/23

/24

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

Geography

Where the space lands

Country	Name	Prefixes
US	United States of America	42

Inventory

All prefixes

42 total

Prefix	Family	Addresses	Country
56.0.0.0/19	IPv4	8,192	US
56.0.32.0/20	IPv4	4,096	US
56.0.48.0/20	IPv4	4,096	US
56.0.64.0/20	IPv4	4,096	US
56.0.80.0/21	IPv4	2,048	US
56.0.88.0/22	IPv4	1,024	US
56.0.92.0/22	IPv4	1,024	US
56.0.96.0/21	IPv4	2,048	US
56.0.104.0/21	IPv4	2,048	US
56.0.112.0/20	IPv4	4,096	US
56.0.128.0/20	IPv4	4,096	US
56.0.144.0/23	IPv4	512	US
56.0.146.0/24	IPv4	256	US
56.0.147.0/24	IPv4	256	US
56.0.148.0/22	IPv4	1,024	US
56.0.152.0/22	IPv4	1,024	US
56.0.156.0/22	IPv4	1,024	US
56.0.160.0/19	IPv4	8,192	US
56.0.192.0/20	IPv4	4,096	US
56.0.208.0/20	IPv4	4,096	US
56.0.224.0/19	IPv4	8,192	US
56.105.0.0/18	IPv4	16,384	US
56.105.64.0/23	IPv4	512	US
56.105.66.0/23	IPv4	512	US
56.105.68.0/22	IPv4	1,024	US
56.105.72.0/21	IPv4	2,048	US
56.105.80.0/22	IPv4	1,024	US
56.105.84.0/23	IPv4	512	US
56.105.86.0/23	IPv4	512	US
56.105.88.0/21	IPv4	2,048	US
56.105.96.0/20	IPv4	4,096	US
56.105.112.0/21	IPv4	2,048	US
56.105.120.0/22	IPv4	1,024	US
56.105.124.0/22	IPv4	1,024	US
56.105.128.0/19	IPv4	8,192	US
56.105.160.0/21	IPv4	2,048	US
56.105.168.0/21	IPv4	2,048	US
56.105.176.0/20	IPv4	4,096	US
56.105.192.0/18	IPv4	16,384	US
56.235.0.0/16	IPv4	65,536	US
2610:68::/33	IPv6	—	US
2610:68:8000::/33	IPv6	—	US