Top BGP ASNsdata as of 2026-09-27 14:45

Origin ASNs ranked by their announced footprint in the RIPE RIS RRC00 BGP full view.
Total ASNs (any family)
86 614
IPv4 origin ASNs
79 118
IPv6 origin ASNs
37 446

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 86 614 ASNs · sort: IPv4 addresses (↑) · showing 27001–27100
# ASN v4 networks v4 addresses ↑ v6 networks v6 /48 Links
27001 AS400075 1 256 · · WHOIS ↗ RADAR ↗
27002 AS400077 1 256 · · WHOIS ↗ RADAR ↗
27003 AS400085 1 256 · · WHOIS ↗ RADAR ↗
27004 AS400089 1 256 · · WHOIS ↗ RADAR ↗
27005 AS400090 1 256 · · WHOIS ↗ RADAR ↗
27006 AS400093 1 256 · · WHOIS ↗ RADAR ↗
27007 AS400095 1 256 1 1 WHOIS ↗ RADAR ↗
27008 AS400096 1 256 · · WHOIS ↗ RADAR ↗
27009 AS400102 1 256 · · WHOIS ↗ RADAR ↗
27010 AS400113 1 256 1 1 WHOIS ↗ RADAR ↗
27011 AS400116 1 256 · · WHOIS ↗ RADAR ↗
27012 AS400121 1 256 · · WHOIS ↗ RADAR ↗
27013 AS400131 1 256 · · WHOIS ↗ RADAR ↗
27014 AS400134 1 256 · · WHOIS ↗ RADAR ↗
27015 AS400140 1 256 · · WHOIS ↗ RADAR ↗
27016 AS400142 1 256 · · WHOIS ↗ RADAR ↗
27017 AS400147 1 256 · · WHOIS ↗ RADAR ↗
27018 AS400151 1 256 · · WHOIS ↗ RADAR ↗
27019 AS400152 1 256 · · WHOIS ↗ RADAR ↗
27020 AS400153 1 256 · · WHOIS ↗ RADAR ↗
27021 AS400154 1 256 1 65.5k WHOIS ↗ RADAR ↗
27022 AS400160 1 256 · · WHOIS ↗ RADAR ↗
27023 AS400161 1 256 · · WHOIS ↗ RADAR ↗
27024 AS400162 1 256 · · WHOIS ↗ RADAR ↗
27025 AS400165 1 256 · · WHOIS ↗ RADAR ↗
27026 AS400166 1 256 · · WHOIS ↗ RADAR ↗
27027 AS400172 1 256 · · WHOIS ↗ RADAR ↗
27028 AS400176 1 256 · · WHOIS ↗ RADAR ↗
27029 AS400179 1 256 2 2 WHOIS ↗ RADAR ↗
27030 AS400181 1 256 1 4.1k WHOIS ↗ RADAR ↗
27031 AS400185 1 256 · · WHOIS ↗ RADAR ↗
27032 AS400188 1 256 · · WHOIS ↗ RADAR ↗
27033 AS400189 1 256 · · WHOIS ↗ RADAR ↗
27034 AS400198 1 256 · · WHOIS ↗ RADAR ↗
27035 AS400203 1 256 · · WHOIS ↗ RADAR ↗
27036 AS400208 1 256 · · WHOIS ↗ RADAR ↗
27037 AS400209 1 256 · · WHOIS ↗ RADAR ↗
27038 AS400216 1 256 · · WHOIS ↗ RADAR ↗
27039 AS400219 1 256 · · WHOIS ↗ RADAR ↗
27040 AS400225 1 256 · · WHOIS ↗ RADAR ↗
27041 AS400228 1 256 1 8 WHOIS ↗ RADAR ↗
27042 AS400233 1 256 · · WHOIS ↗ RADAR ↗
27043 AS400239 1 256 · · WHOIS ↗ RADAR ↗
27044 AS400240 1 256 1 1 WHOIS ↗ RADAR ↗
27045 AS400257 1 256 · · WHOIS ↗ RADAR ↗
27046 AS400262 1 256 · · WHOIS ↗ RADAR ↗
27047 AS400263 1 256 · · WHOIS ↗ RADAR ↗
27048 AS400265 1 256 · · WHOIS ↗ RADAR ↗
27049 AS400266 1 256 · · WHOIS ↗ RADAR ↗
27050 AS400272 1 256 · · WHOIS ↗ RADAR ↗
27051 AS400273 1 256 · · WHOIS ↗ RADAR ↗
27052 AS400278 1 256 · · WHOIS ↗ RADAR ↗
27053 AS400282 1 256 2 65.5k WHOIS ↗ RADAR ↗
27054 AS400283 1 256 1 256 WHOIS ↗ RADAR ↗
27055 AS400284 1 256 · · WHOIS ↗ RADAR ↗
27056 AS400290 1 256 · · WHOIS ↗ RADAR ↗
27057 AS400295 1 256 1 4.1k WHOIS ↗ RADAR ↗
27058 AS400297 1 256 · · WHOIS ↗ RADAR ↗
27059 AS400299 1 256 · · WHOIS ↗ RADAR ↗
27060 AS400305 1 256 · · WHOIS ↗ RADAR ↗
27061 AS400312 1 256 1 65.5k WHOIS ↗ RADAR ↗
27062 AS400315 1 256 · · WHOIS ↗ RADAR ↗
27063 AS400316 1 256 1 1 WHOIS ↗ RADAR ↗
27064 AS400319 1 256 · · WHOIS ↗ RADAR ↗
27065 AS400321 1 256 · · WHOIS ↗ RADAR ↗
27066 AS400323 1 256 · · WHOIS ↗ RADAR ↗
27067 AS400326 1 256 1 1 WHOIS ↗ RADAR ↗
27068 AS400327 1 256 · · WHOIS ↗ RADAR ↗
27069 AS400340 1 256 · · WHOIS ↗ RADAR ↗
27070 AS400343 1 256 · · WHOIS ↗ RADAR ↗
27071 AS400344 1 256 · · WHOIS ↗ RADAR ↗
27072 AS400345 1 256 · · WHOIS ↗ RADAR ↗
27073 AS400352 1 256 · · WHOIS ↗ RADAR ↗
27074 AS400354 1 256 1 1 WHOIS ↗ RADAR ↗
27075 AS400355 1 256 · · WHOIS ↗ RADAR ↗
27076 AS400358 1 256 1 256 WHOIS ↗ RADAR ↗
27077 AS400359 1 256 · · WHOIS ↗ RADAR ↗
27078 AS400362 1 256 1 1 WHOIS ↗ RADAR ↗
27079 AS400363 1 256 1 65.5k WHOIS ↗ RADAR ↗
27080 AS400364 1 256 · · WHOIS ↗ RADAR ↗
27081 AS400365 1 256 · · WHOIS ↗ RADAR ↗
27082 AS400366 1 256 1 4.1k WHOIS ↗ RADAR ↗
27083 AS400369 1 256 · · WHOIS ↗ RADAR ↗
27084 AS400373 1 256 · · WHOIS ↗ RADAR ↗
27085 AS400375 1 256 · · WHOIS ↗ RADAR ↗
27086 AS400376 1 256 · · WHOIS ↗ RADAR ↗
27087 AS400379 1 256 · · WHOIS ↗ RADAR ↗
27088 AS400386 1 256 · · WHOIS ↗ RADAR ↗
27089 AS400392 1 256 · · WHOIS ↗ RADAR ↗
27090 AS400396 1 256 · · WHOIS ↗ RADAR ↗
27091 AS400403 1 256 · · WHOIS ↗ RADAR ↗
27092 AS400407 1 256 · · WHOIS ↗ RADAR ↗
27093 AS400410 1 256 · · WHOIS ↗ RADAR ↗
27094 AS400415 1 256 · · WHOIS ↗ RADAR ↗
27095 AS400417 1 256 · · WHOIS ↗ RADAR ↗
27096 AS400420 1 256 · · WHOIS ↗ RADAR ↗
27097 AS400422 1 256 1 1 WHOIS ↗ RADAR ↗
27098 AS400431 1 256 · · WHOIS ↗ RADAR ↗
27099 AS400435 1 256 · · WHOIS ↗ RADAR ↗
27100 AS400448 1 256 · · WHOIS ↗ RADAR ↗