Address space

AS391 AFCONC-BLOCK1-AS

IPv4 prefixes 40 284K addresses

IPv6 prefixes 0

Most common size /24 IPv4

Flagged 0

Shape

Prefix sizes

IPv4

/16

/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.

Geography

Where the space lands

Country	Name	Prefixes
US	United States of America	40

Inventory

All prefixes

40 total

Prefix	Family	Addresses	Country
128.202.0.0/16	IPv4	65,536	US
128.236.0.0/16	IPv4	65,536	US
131.15.38.0/23	IPv4	512	US
131.15.40.0/22	IPv4	1,024	US
131.15.44.0/23	IPv4	512	US
131.15.46.0/24	IPv4	256	US
131.15.48.0/21	IPv4	2,048	US
131.15.56.0/22	IPv4	1,024	US
131.15.60.0/23	IPv4	512	US
131.15.62.0/24	IPv4	256	US
131.15.65.0/24	IPv4	256	US
131.15.68.0/22	IPv4	1,024	US
131.15.73.0/24	IPv4	256	US
131.15.74.0/23	IPv4	512	US
131.15.76.0/22	IPv4	1,024	US
131.15.80.0/24	IPv4	256	US
131.15.88.0/24	IPv4	256	US
131.15.90.0/23	IPv4	512	US
131.15.92.0/24	IPv4	256	US
131.15.98.0/23	IPv4	512	US
131.15.120.0/24	IPv4	256	US
131.15.136.0/24	IPv4	256	US
131.15.144.0/21	IPv4	2,048	US
131.15.160.0/21	IPv4	2,048	US
131.15.208.0/24	IPv4	256	US
131.15.233.0/24	IPv4	256	US
131.15.234.0/23	IPv4	512	US
131.15.236.0/22	IPv4	1,024	US
131.15.252.0/23	IPv4	512	US
137.0.0.0/16	IPv4	65,536	US
137.11.0.0/16	IPv4	65,536	US
143.141.96.0/22	IPv4	1,024	US
199.31.2.0/23	IPv4	512	US
199.251.155.0/24	IPv4	256	US
199.251.156.0/24	IPv4	256	US
204.34.211.0/24	IPv4	256	US
206.39.56.0/24	IPv4	256	US
206.39.58.0/24	IPv4	256	US
207.133.179.0/24	IPv4	256	US
207.133.189.0/24	IPv4	256	US