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 2026-08

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
80,778
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
869,490 /24 prefixes
AS16509 AS16,509 · United States · Business
583,710 /24 prefixes
AS4134 AS4,134 · China · ISP
380,615 /24 prefixes
AS7018 AS7,018 · United States · ISP
353,743 /24 prefixes
AS8075 AS8,075 · United States · Hosting
322,346 /24 prefixes

Smallest ASNs in the current release

AS56848 AS56,848 · Sweden · Hosting
1 /24 prefixes
AS152020 AS152,020 · Indonesia · ISP
1 /24 prefixes
AS215883 AS215,883 · Albania · Business
1 /24 prefixes
AS137843 AS137,843 · Bangladesh · Business
1 /24 prefixes
AS133552 AS133,552 · India · Business
1 /24 prefixes

Release coverage by registry

ARIN 23,942 ASNs represented in this summary bucket.
6,448,348 1.7B IPv4 est.
APNIC 16,726 ASNs represented in this summary bucket.
3,485,511 892.3M IPv4 est.
RIPE 31,906 ASNs represented in this summary bucket.
3,341,574 855.4M IPv4 est.
LACNIC 10,986 ASNs represented in this summary bucket.
712,878 182.5M IPv4 est.
AFRINIC 2,768 ASNs represented in this summary bucket.
473,634 121.3M IPv4 est.