$ query “AS20940” --type=asn → 1 result(s)

AS20940 · AKAMAI-ASN1

Akamai International B.V.

AS20940 is owned by Akamai International B.V. and is a mid-size transit provider, based in the Netherlands since 2002. The system announces a whopping 13.9 million IPv4 addresses (0.37% of routable IPv4 space), including a /10, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in the Netherlands and Australia, and smaller footprints in 23 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 29, 2002
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
3 922 / 112
IPv6 Prefixes (raw / aggregated)
761 / 20
IPv4 Addresses
13 882 368
Largest IPv4 Prefix
/10 (4 194 304 addresses)
Largest IPv6 Prefix
/24
Geolocated Countries
🇺🇸 United States (24 604 928 IPs), 🇳🇱 Netherlands (1 142 784 IPs), 🇦🇺 Australia (1 100 288 IPs) and 23 more
Prefix Changed
April 30, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
107 upstreams providing transit
Peers
1 227 networks exchanging traffic without transit
Downstream Customers
14 downstreams buying transit
Unclassified
12 unclassified BGP neighbors
Degree
1 360 unique BGP neighbors
Reach
14 networks in customer cone

Upstream Providers (107)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS9002 — RETN-AS
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS3216 — SOVAM-AS
  • AS33891 — CORE-BACKBONE
  • AS8220 — COLT
  • AS37100 — SEACOM-AS
  • and 97 more

Prefix Lists

IPv4 Prefixes (3 922 total)

  • 104.64.0.0/10 (4 194 304 addresses (/10 prefix))
  • 23.32.0.0/11 (2 097 152 addresses (/11 prefix))
  • 23.192.0.0/11 (2 097 152 addresses (/11 prefix))
  • 23.0.0.0/12 (1 048 576 addresses (/12 prefix))
  • 172.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 184.24.0.0/13 (524 288 addresses (/13 prefix))
  • 23.72.0.0/13 (524 288 addresses (/13 prefix))
  • 2.16.0.0/13 (524 288 addresses (/13 prefix))
  • 23.64.0.0/14 (262 144 addresses (/14 prefix))
  • 184.84.0.0/14 (262 144 addresses (/14 prefix))
  • 173.222.0.0/15 (131 072 addresses (/15 prefix))
  • 96.6.0.0/15 (131 072 addresses (/15 prefix))
  • 95.100.0.0/15 (131 072 addresses (/15 prefix))
  • 96.16.0.0/15 (131 072 addresses (/15 prefix))
  • 92.122.0.0/15 (131 072 addresses (/15 prefix))
  • 72.246.0.0/15 (131 072 addresses (/15 prefix))
  • 184.50.0.0/15 (131 072 addresses (/15 prefix))
  • 69.192.0.0/16 (65 536 addresses (/16 prefix))
  • 88.221.0.0/16 (65 536 addresses (/16 prefix))
  • 118.214.0.0/16 (65 536 addresses (/16 prefix))
  • 118.215.0.0/17 (32 768 addresses (/17 prefix))
  • 60.254.128.0/18 (16 384 addresses (/18 prefix))
  • 84.53.128.0/18 (16 384 addresses (/18 prefix))
  • 125.56.192.0/18 (16 384 addresses (/18 prefix))
  • 125.252.192.0/18 (16 384 addresses (/18 prefix))
  • 118.215.128.0/18 (16 384 addresses (/18 prefix))
  • 59.151.128.0/18 (16 384 addresses (/18 prefix))
  • 122.252.32.0/19 (8 192 addresses (/19 prefix))
  • 80.67.64.0/19 (8 192 addresses (/19 prefix))
  • 122.252.128.0/20 (4 096 addresses (/20 prefix))
  • 193.108.88.0/21 (2 048 addresses (/21 prefix))
  • 189.247.204.0/22 (1 024 addresses (/22 prefix))
  • 204.10.28.0/22 (1 024 addresses (/22 prefix))
  • 204.8.48.0/22 (1 024 addresses (/22 prefix))
  • 103.238.148.0/22 (1 024 addresses (/22 prefix))
  • 43.254.120.0/22 (1 024 addresses (/22 prefix))
  • 195.245.124.0/22 (1 024 addresses (/22 prefix))
  • 193.108.152.0/22 (1 024 addresses (/22 prefix))
  • 187.210.208.0/22 (1 024 addresses (/22 prefix))
  • 168.143.242.0/23 (512 addresses (/23 prefix))
  • 173.205.76.0/23 (512 addresses (/23 prefix))
  • 125.56.184.0/23 (512 addresses (/23 prefix))
  • 210.61.248.0/23 (512 addresses (/23 prefix))
  • 204.237.186.0/23 (512 addresses (/23 prefix))
  • 204.237.142.0/23 (512 addresses (/23 prefix))
  • 49.231.116.0/23 (512 addresses (/23 prefix))
  • 165.254.40.0/23 (512 addresses (/23 prefix))
  • 165.254.44.0/23 (512 addresses (/23 prefix))
  • 204.2.164.0/23 (512 addresses (/23 prefix))
  • 204.2.158.0/23 (512 addresses (/23 prefix))
  • and 62 more

IPv6 Prefixes (761 total)

  • 2600:1400::/24
  • 2405:9600::/32
  • 2a02:26f7::/32
  • 2a02:26f0::/32
  • 2806:1030:cefe::/48
  • 2806:1070:cefe::/48
  • 2403:c780:7203::/48
  • 2001:4546:1003::/48
  • 2620:11b:d021::/48
  • 2800:280:4001::/48
  • 2001:c38:500a::/48
  • 2404:c800:8203::/48
  • 2806:1080:cefe::/48
  • 2806:10b0:cefe::/48
  • 2001:4457:ff0::/48
  • 2a02:26f6::/48
  • 2001:4450:40::/48
  • 2a10:f783:23::/48
  • 2a10:fa44::/48
  • 2c0f:fc00:b011::/48