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 2026-10
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
81,202
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
867,990 /24 prefixes
AS16509 AS16,509 · United States · Business
598,030 /24 prefixes
AS4134 AS4,134 · China · ISP
379,612 /24 prefixes
AS7018 AS7,018 · United States · ISP
356,299 /24 prefixes
AS8075 AS8,075 · United States · Hosting
322,401 /24 prefixes
Smallest ASNs in the current release
AS213277 AS213,277 · Portugal · Business
1 /24 prefixes
AS207451 AS207,451 · Czechia · Hosting
1 /24 prefixes
AS211585 AS211,585 · United States · Education
1 /24 prefixes
AS150256 AS150,256 · Indonesia · ISP
1 /24 prefixes
AS200227 AS200,227 · Australia · ISP
1 /24 prefixes
Release coverage by registry
ARIN 24,106 ASNs represented in this summary bucket.
6,443,527 1.6B IPv4 est.
APNIC 16,853 ASNs represented in this summary bucket.
3,486,915 892.7M IPv4 est.
RIPE 32,139 ASNs represented in this summary bucket.
3,346,745 856.8M IPv4 est.
LACNIC 10,975 ASNs represented in this summary bucket.
711,124 182M IPv4 est.
AFRINIC 2,780 ASNs represented in this summary bucket.
473,634 121.3M IPv4 est.