RIR by IPv4 Prefix

This is a statistical page summarizing the IPv4 address prefix distribution for each RIR (Regional Internet Registry). You can check the occupancy rate of the address space managed and advertised by each RIR (APNIC,RIPE NCC,ARIN,LACNIC,AFRINIC) and network usage trends.

Mask	CIDR
/1	0
/2	0
/3	0
/4	0
/5	0
/6	0
/7	0
/8	215

Mask	CIDR
/9	14
/10	58
/11	148
/12	369
/13	641
/14	1,347
/15	2,228
/16	12,551

Mask	CIDR
/17	4,019
/18	6,325
/19	12,897
/20	16,970
/21	17,845
/22	70,640
/23	33,492
/24	76,916

Mask	CIDR
/25	73
/26	104
/27	34
/28	8
/29	11
/30	2
/31	0
/32	0

Total:256,907