IPAS

IP prefix and autonomous system archive

AS18403

IPv4 prefixes
4,718
Unique IPv4 addresses
1,422,080
IPv6 prefixes
3,764
Unique IPv6 /48 equivalents
262,144

Route freshness

Age since last updateTotalIPv4IPv6Share
< 5 min342680.4%
5-15 min1100.0%
15-60 min9900.1%
1-6 h1,0131,013011.9%
6-24 h4,1713,63853349.2%
1-3 d3,18303,18337.5%
3-7 d288200.3%
7-30 d4323200.5%
30-90 d0000.0%
> 90 d0000.0%

IPv4 CIDR distribution

/13
1   0.0%
/14
2   0.0%
/15
2   0.0%
/16
11   0.2%
/17
3   0.1%
/18
86   1.8%
/20
336   7.1%
/21
36   0.8%
/22
41   0.9%
/23
404   8.6%
/24
3,796   80.5%
Bar length uses logarithmic scale; values and percentages are exact.

IPv6 CIDR distribution

/30
1   0.0%
/32
4   0.1%
/36
6   0.2%
/41
1   0.0%
/43
50   1.3%
/44
1,270   33.7%
/45
21   0.6%
/46
751   20.0%
/47
1,637   43.5%
/48
23   0.6%
Bar length uses logarithmic scale; values and percentages are exact.

Unique space removes overlap between prefixes announced by the same ASN. Update range: 2026-08-20 09:04:18 to 2026-09-17 01:10:49.