Top BGP ASNsdata as of 2026-09-26 14:36

Origin ASNs ranked by their announced footprint in the RIPE RIS RRC00 BGP full view.
Total ASNs (any family)
86 634
IPv4 origin ASNs
79 143
IPv6 origin ASNs
37 438

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 86 634 ASNs · sort: IPv4 addresses (↓) · showing 20101–20200
# ASN v4 networks v4 addresses ↓ v6 networks v6 /48 Links
20101 AS25706 5 3.1k · · WHOIS ↗ RADAR ↗
20102 AS25754 12 3.1k · · WHOIS ↗ RADAR ↗
20103 AS26038 6 3.1k · · WHOIS ↗ RADAR ↗
20104 AS26080 2 3.1k 3 18 WHOIS ↗ RADAR ↗
20105 AS26082 4 3.1k · · WHOIS ↗ RADAR ↗
20106 AS26423 5 3.1k · · WHOIS ↗ RADAR ↗
20107 AS26517 12 3.1k 4 64 WHOIS ↗ RADAR ↗
20108 AS26527 12 3.1k 2 2 WHOIS ↗ RADAR ↗
20109 AS26819 6 3.1k · · WHOIS ↗ RADAR ↗
20110 AS27348 12 3.1k · · WHOIS ↗ RADAR ↗
20111 AS27373 7 3.1k 1 256 WHOIS ↗ RADAR ↗
20112 AS27398 4 3.1k 2 4 WHOIS ↗ RADAR ↗
20113 AS27631 12 3.1k · · WHOIS ↗ RADAR ↗
20114 AS27820 7 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20115 AS27930 12 3.1k 8 65.5k WHOIS ↗ RADAR ↗
20116 AS27997 12 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20117 AS28136 11 3.1k 4 8.2k WHOIS ↗ RADAR ↗
20118 AS28505 9 3.1k · · WHOIS ↗ RADAR ↗
20119 AS28536 7 3.1k 12 361 WHOIS ↗ RADAR ↗
20120 AS28538 7 3.1k · · WHOIS ↗ RADAR ↗
20121 AS28592 7 3.1k · · WHOIS ↗ RADAR ↗
20122 AS28610 7 3.1k 7 196.6k WHOIS ↗ RADAR ↗
20123 AS28863 5 3.1k · · WHOIS ↗ RADAR ↗
20124 AS28916 2 3.1k · · WHOIS ↗ RADAR ↗
20125 AS29045 2 3.1k · · WHOIS ↗ RADAR ↗
20126 AS29245 2 3.1k · · WHOIS ↗ RADAR ↗
20127 AS29407 12 3.1k · · WHOIS ↗ RADAR ↗
20128 AS29512 2 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20129 AS29575 7 3.1k · · WHOIS ↗ RADAR ↗
20130 AS29705 5 3.1k 1 1 WHOIS ↗ RADAR ↗
20131 AS29886 4 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20132 AS29898 9 3.1k · · WHOIS ↗ RADAR ↗
20133 AS30021 12 3.1k 1 1 WHOIS ↗ RADAR ↗
20134 AS30396 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20135 AS30813 2 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20136 AS30856 4 3.1k · · WHOIS ↗ RADAR ↗
20137 AS30893 9 3.1k 5 524.3k WHOIS ↗ RADAR ↗
20138 AS31000 3 3.1k · · WHOIS ↗ RADAR ↗
20139 AS31256 2 3.1k · · WHOIS ↗ RADAR ↗
20140 AS31276 3 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20141 AS31277 7 3.1k · · WHOIS ↗ RADAR ↗
20142 AS31328 6 3.1k · · WHOIS ↗ RADAR ↗
20143 AS31438 2 3.1k 1 262.1k WHOIS ↗ RADAR ↗
20144 AS31525 12 3.1k · · WHOIS ↗ RADAR ↗
20145 AS31572 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20146 AS31914 9 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20147 AS31915 2 3.1k · · WHOIS ↗ RADAR ↗
20148 AS31957 12 3.1k · · WHOIS ↗ RADAR ↗
20149 AS31978 12 3.1k · · WHOIS ↗ RADAR ↗
20150 AS32027 5 3.1k · · WHOIS ↗ RADAR ↗
20151 AS32217 5 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20152 AS32270 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20153 AS32289 8 3.1k · · WHOIS ↗ RADAR ↗
20154 AS32372 10 3.1k · · WHOIS ↗ RADAR ↗
20155 AS32473 10 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20156 AS32688 12 3.1k · · WHOIS ↗ RADAR ↗
20157 AS32800 7 3.1k · · WHOIS ↗ RADAR ↗
20158 AS33383 7 3.1k · · WHOIS ↗ RADAR ↗
20159 AS33556 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20160 AS33921 12 3.1k 1 256 WHOIS ↗ RADAR ↗
20161 AS33967 3 3.1k · · WHOIS ↗ RADAR ↗
20162 AS34215 2 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20163 AS34312 4 3.1k · · WHOIS ↗ RADAR ↗
20164 AS34342 5 3.1k · · WHOIS ↗ RADAR ↗
20165 AS34402 3 3.1k · · WHOIS ↗ RADAR ↗
20166 AS34409 12 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20167 AS34476 12 3.1k · · WHOIS ↗ RADAR ↗
20168 AS34568 5 3.1k 3 65.5k WHOIS ↗ RADAR ↗
20169 AS34832 7 3.1k · · WHOIS ↗ RADAR ↗
20170 AS34941 4 3.1k 6 25.3k WHOIS ↗ RADAR ↗
20171 AS34955 12 3.1k · · WHOIS ↗ RADAR ↗
20172 AS35055 3 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20173 AS35162 2 3.1k · · WHOIS ↗ RADAR ↗
20174 AS35640 8 3.1k · · WHOIS ↗ RADAR ↗
20175 AS35703 3 3.1k 1 32.8k WHOIS ↗ RADAR ↗
20176 AS35721 3 3.1k · · WHOIS ↗ RADAR ↗
20177 AS35773 5 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20178 AS35834 9 3.1k · · WHOIS ↗ RADAR ↗
20179 AS35924 3 3.1k · · WHOIS ↗ RADAR ↗
20180 AS35960 4 3.1k · · WHOIS ↗ RADAR ↗
20181 AS36645 3 3.1k · · WHOIS ↗ RADAR ↗
20182 AS36867 12 3.1k · · WHOIS ↗ RADAR ↗
20183 AS36881 12 3.1k · · WHOIS ↗ RADAR ↗
20184 AS36945 5 3.1k · · WHOIS ↗ RADAR ↗
20185 AS37102 9 3.1k · · WHOIS ↗ RADAR ↗
20186 AS37125 12 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20187 AS37205 9 3.1k · · WHOIS ↗ RADAR ↗
20188 AS37302 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20189 AS37336 7 3.1k · · WHOIS ↗ RADAR ↗
20190 AS37398 5 3.1k · · WHOIS ↗ RADAR ↗
20191 AS37587 7 3.1k · · WHOIS ↗ RADAR ↗
20192 AS37593 7 3.1k · · WHOIS ↗ RADAR ↗
20193 AS37627 2 3.1k · · WHOIS ↗ RADAR ↗
20194 AS38008 10 3.1k 20 74.9k WHOIS ↗ RADAR ↗
20195 AS38015 6 3.1k · · WHOIS ↗ RADAR ↗
20196 AS38058 9 3.1k · · WHOIS ↗ RADAR ↗
20197 AS38066 10 3.1k · · WHOIS ↗ RADAR ↗
20198 AS38148 12 3.1k · · WHOIS ↗ RADAR ↗
20199 AS38227 3 3.1k · · WHOIS ↗ RADAR ↗
20200 AS38428 18 3.1k · · WHOIS ↗ RADAR ↗