Top BGP ASNsdata as of 2026-09-25 14:28

Origin ASNs ranked by their announced footprint in the RIPE RIS RRC00 BGP full view.
Total ASNs (any family)
86 642
IPv4 origin ASNs
79 144
IPv6 origin ASNs
37 436

ASN ranges allocated by IANA to each RIR

From the RIRs' delegated-stats (allocated + assigned). Ranges are coalesced where adjacent.
Registry Total ASNs # ranges Top 5 largest ranges
RIPE DB 0 0
ARIN 0 0
APNIC 0 0
AFRINIC 0 0
LACNIC 0 0
Reset
Found 86 642 ASNs · sort: IPv4 addresses (↑) · showing 20501–20600
# ASN v4 networks v4 addresses ↑ v6 networks v6 /48 Links
20501 AS204749 1 256 · · WHOIS ↗ RADAR ↗
20502 AS204752 1 256 · · WHOIS ↗ RADAR ↗
20503 AS204753 1 256 · · WHOIS ↗ RADAR ↗
20504 AS204757 1 256 · · WHOIS ↗ RADAR ↗
20505 AS204767 1 256 · · WHOIS ↗ RADAR ↗
20506 AS204771 1 256 · · WHOIS ↗ RADAR ↗
20507 AS204776 1 256 2 257 WHOIS ↗ RADAR ↗
20508 AS204778 1 256 1 1 WHOIS ↗ RADAR ↗
20509 AS204783 1 256 · · WHOIS ↗ RADAR ↗
20510 AS204784 1 256 · · WHOIS ↗ RADAR ↗
20511 AS204788 1 256 · · WHOIS ↗ RADAR ↗
20512 AS204791 1 256 · · WHOIS ↗ RADAR ↗
20513 AS204797 1 256 · · WHOIS ↗ RADAR ↗
20514 AS204798 1 256 · · WHOIS ↗ RADAR ↗
20515 AS204802 1 256 · · WHOIS ↗ RADAR ↗
20516 AS204803 1 256 · · WHOIS ↗ RADAR ↗
20517 AS204807 1 256 · · WHOIS ↗ RADAR ↗
20518 AS204808 1 256 · · WHOIS ↗ RADAR ↗
20519 AS204810 1 256 1 16.4k WHOIS ↗ RADAR ↗
20520 AS204812 1 256 · · WHOIS ↗ RADAR ↗
20521 AS204815 1 256 · · WHOIS ↗ RADAR ↗
20522 AS204816 1 256 1 524.3k WHOIS ↗ RADAR ↗
20523 AS204820 1 256 · · WHOIS ↗ RADAR ↗
20524 AS204821 1 256 · · WHOIS ↗ RADAR ↗
20525 AS204822 1 256 · · WHOIS ↗ RADAR ↗
20526 AS204825 1 256 · · WHOIS ↗ RADAR ↗
20527 AS204826 1 256 · · WHOIS ↗ RADAR ↗
20528 AS204827 1 256 · · WHOIS ↗ RADAR ↗
20529 AS204828 1 256 1 1 WHOIS ↗ RADAR ↗
20530 AS204829 1 256 · · WHOIS ↗ RADAR ↗
20531 AS204830 1 256 2 2 WHOIS ↗ RADAR ↗
20532 AS204831 1 256 · · WHOIS ↗ RADAR ↗
20533 AS204840 1 256 · · WHOIS ↗ RADAR ↗
20534 AS204841 1 256 3 33 WHOIS ↗ RADAR ↗
20535 AS204842 1 256 · · WHOIS ↗ RADAR ↗
20536 AS204843 1 256 15 7.86M WHOIS ↗ RADAR ↗
20537 AS204846 1 256 · · WHOIS ↗ RADAR ↗
20538 AS204848 1 256 · · WHOIS ↗ RADAR ↗
20539 AS204862 1 256 · · WHOIS ↗ RADAR ↗
20540 AS204863 1 256 · · WHOIS ↗ RADAR ↗
20541 AS204865 1 256 · · WHOIS ↗ RADAR ↗
20542 AS204874 1 256 1 1 WHOIS ↗ RADAR ↗
20543 AS204876 1 256 · · WHOIS ↗ RADAR ↗
20544 AS204879 1 256 · · WHOIS ↗ RADAR ↗
20545 AS204883 1 256 · · WHOIS ↗ RADAR ↗
20546 AS204885 1 256 · · WHOIS ↗ RADAR ↗
20547 AS204892 1 256 · · WHOIS ↗ RADAR ↗
20548 AS204894 1 256 1 524.3k WHOIS ↗ RADAR ↗
20549 AS204897 1 256 · · WHOIS ↗ RADAR ↗
20550 AS204905 1 256 · · WHOIS ↗ RADAR ↗
20551 AS204908 1 256 · · WHOIS ↗ RADAR ↗
20552 AS204911 1 256 2 2 WHOIS ↗ RADAR ↗
20553 AS204915 1 256 1 1 WHOIS ↗ RADAR ↗
20554 AS204917 1 256 · · WHOIS ↗ RADAR ↗
20555 AS204919 1 256 · · WHOIS ↗ RADAR ↗
20556 AS204926 1 256 · · WHOIS ↗ RADAR ↗
20557 AS204930 1 256 · · WHOIS ↗ RADAR ↗
20558 AS204932 1 256 · · WHOIS ↗ RADAR ↗
20559 AS204942 1 256 · · WHOIS ↗ RADAR ↗
20560 AS204948 1 256 1 1 WHOIS ↗ RADAR ↗
20561 AS204951 1 256 · · WHOIS ↗ RADAR ↗
20562 AS204952 1 256 · · WHOIS ↗ RADAR ↗
20563 AS204954 1 256 · · WHOIS ↗ RADAR ↗
20564 AS204961 1 256 1 1 WHOIS ↗ RADAR ↗
20565 AS204965 1 256 · · WHOIS ↗ RADAR ↗
20566 AS204967 1 256 · · WHOIS ↗ RADAR ↗
20567 AS204972 1 256 · · WHOIS ↗ RADAR ↗
20568 AS204975 1 256 · · WHOIS ↗ RADAR ↗
20569 AS204977 1 256 · · WHOIS ↗ RADAR ↗
20570 AS204979 1 256 1 1 WHOIS ↗ RADAR ↗
20571 AS204984 1 256 · · WHOIS ↗ RADAR ↗
20572 AS204987 1 256 · · WHOIS ↗ RADAR ↗
20573 AS204991 1 256 · · WHOIS ↗ RADAR ↗
20574 AS204992 1 256 · · WHOIS ↗ RADAR ↗
20575 AS205001 1 256 · · WHOIS ↗ RADAR ↗
20576 AS205003 1 256 · · WHOIS ↗ RADAR ↗
20577 AS205011 1 256 · · WHOIS ↗ RADAR ↗
20578 AS205012 1 256 1 524.3k WHOIS ↗ RADAR ↗
20579 AS205017 1 256 · · WHOIS ↗ RADAR ↗
20580 AS205026 1 256 · · WHOIS ↗ RADAR ↗
20581 AS205034 1 256 · · WHOIS ↗ RADAR ↗
20582 AS205038 1 256 · · WHOIS ↗ RADAR ↗
20583 AS205043 1 256 1 16 WHOIS ↗ RADAR ↗
20584 AS205045 1 256 · · WHOIS ↗ RADAR ↗
20585 AS205047 1 256 · · WHOIS ↗ RADAR ↗
20586 AS205060 1 256 · · WHOIS ↗ RADAR ↗
20587 AS205065 1 256 · · WHOIS ↗ RADAR ↗
20588 AS205069 1 256 · · WHOIS ↗ RADAR ↗
20589 AS205075 1 256 · · WHOIS ↗ RADAR ↗
20590 AS205084 1 256 · · WHOIS ↗ RADAR ↗
20591 AS205087 1 256 1 1 WHOIS ↗ RADAR ↗
20592 AS205095 1 256 · · WHOIS ↗ RADAR ↗
20593 AS205096 1 256 · · WHOIS ↗ RADAR ↗
20594 AS205097 1 256 · · WHOIS ↗ RADAR ↗
20595 AS205100 1 256 6 261 WHOIS ↗ RADAR ↗
20596 AS205107 1 256 · · WHOIS ↗ RADAR ↗
20597 AS205113 1 256 · · WHOIS ↗ RADAR ↗
20598 AS205116 1 256 · · WHOIS ↗ RADAR ↗
20599 AS205125 1 256 3 196.6k WHOIS ↗ RADAR ↗
20600 AS205128 1 256 · · WHOIS ↗ RADAR ↗