ASN pages
Selective ASN landing pages
These pages highlight major ASNs within the current monthly release so visitors can review visible network operators more easily.
Selective ASN landing pages for release 2026-07
These ASN pages are intentionally selective. They highlight major current-release networks so visitors can review visible operators without scanning a much larger directory.
The page below surfaces the current release footprint through representative ASN extremes and registry-level distribution rather than attempting a mechanically generated page for every autonomous system.
Observed ASNs
80,461
Distinct autonomous systems represented in the current published release.
Largest ASN profiles
5
Largest ASNs surfaced on this selective landing page.
Smallest ASN profiles
5
Smallest ASNs surfaced for contrast within the current release.
Registry groupings
5
Registry-level ASN footprint buckets represented in the current ASN summary.
Largest ASNs in the current release
AS749 AS749 · United States · ISP
870,112 /24 prefixes
AS16509 AS16,509 · United States · Business
582,607 /24 prefixes
AS4134 AS4,134 · China · ISP
385,386 /24 prefixes
AS7018 AS7,018 · United States · ISP
353,774 /24 prefixes
AS8075 AS8,075 · United States · Hosting
322,312 /24 prefixes
Smallest ASNs in the current release
AS151578 AS151,578 · Indonesia · Business
1 /24 prefixes
AS135131 AS135,131 · Bangladesh · ISP
1 /24 prefixes
AS142044 AS142,044 · Bangladesh · ISP
1 /24 prefixes
AS150519 AS150,519 · Indonesia · ISP
1 /24 prefixes
AS137364 AS137,364 · Indonesia · Business
1 /24 prefixes
Release coverage by registry
ARIN 23,829 ASNs represented in this summary bucket.
6,448,810 1.7B IPv4 est.
APNIC 16,667 ASNs represented in this summary bucket.
3,485,500 892.3M IPv4 est.
RIPE 31,783 ASNs represented in this summary bucket.
3,340,608 855.2M IPv4 est.
LACNIC 10,968 ASNs represented in this summary bucket.
713,393 182.6M IPv4 est.
AFRINIC 2,752 ASNs represented in this summary bucket.
473,634 121.3M IPv4 est.