IPAS

IP prefix and autonomous system archive

AS16509

IPv4 prefixes
18,849
Unique IPv4 addresses
174,774,272
IPv6 prefixes
6,019
Unique IPv6 /48 equivalents
63,554,812

Route freshness

Age since last updateTotalIPv4IPv6Share
< 5 min137120170.6%
5-15 min12211750.5%
15-60 min5,7964,0991,69723.3%
1-6 h15,45513,7491,70662.1%
6-24 h2,574142,56010.4%
1-3 d226214120.9%
3-7 d25324671.0%
7-30 d305290151.2%
30-90 d0000.0%
> 90 d0000.0%

IPv4 CIDR distribution

/10
7   0.0%
/11
6   0.0%
/12
17   0.1%
/13
31   0.2%
/14
103   0.5%
/15
186   1.0%
/16
1,038   5.5%
/17
285   1.5%
/18
209   1.1%
/19
226   1.2%
/20
349   1.9%
/21
940   5.0%
/22
1,318   7.0%
/23
1,635   8.7%
/24
12,499   66.3%
Bar length uses logarithmic scale; values and percentages are exact.

IPv6 CIDR distribution

/24
3   0.0%
/25
1   0.0%
/28
1   0.0%
/29
5   0.1%
/32
15   0.2%
/34
7   0.1%
/35
11   0.2%
/36
112   1.9%
/37
52   0.9%
/38
170   2.8%
/39
4   0.1%
/40
274   4.6%
/41
2   0.0%
/42
25   0.4%
/43
14   0.2%
/44
598   9.9%
/45
21   0.3%
/46
688   11.4%
/47
157   2.6%
/48
3,859   64.1%
Bar length uses logarithmic scale; values and percentages are exact.

Unique space removes overlap between prefixes announced by the same ASN. Update range: 2026-08-19 15:59:19 to 2026-09-17 01:11:23.