AS20940 AKAMAI-ASN1 Akamai International B.V.
Everything the routing table and the registries say about AS20940: who holds it, which registry issued it, and which address blocks it advertises.
Content deliveryAS20940
3952 IPv4 and 775 IPv6 prefixes announced.
Registry facts
- AS number
- AS20940
- Holder
- AKAMAI-ASN1 Akamai International B.V.
- Country
- Not published
- Regional registry
- RIPE — RIPE Network Coordination Centre
- Registry block
- 20480-21503 (IANA 16-bit Autonomous System (AS) Numbers Registry)
- Announced today
- Yes
- IPv4 prefixes
- 3952
- IPv6 prefixes
- 775
- Observed at
- 2026-09-05T16:00:00
Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by RIPE RDAP.
Announced prefixes
- 100 IPv4 shown
- 100 IPv6 shown
- 2.16.0.0/13
- 2.16.0.0/24
- 2.16.1.0/24
- 2.16.2.0/24
- 2.16.4.0/23
- 2.16.6.0/24
- 2.16.7.0/24
- 2.16.8.0/24
- 2.16.10.0/24
- 2.16.11.0/24
- 2.16.14.0/24
- 2.16.15.0/24
- 2.16.16.0/24
- 2.16.22.0/24
- 2.16.23.0/24
- 2.16.24.0/23
- 2.16.27.0/24
- 2.16.28.0/24
- 2.16.29.0/24
- 2.16.34.0/24
- 2.16.41.0/24
- 2.16.45.0/24
- 2.16.48.0/24
- 2.16.50.0/23
- 2.16.52.0/24
- 2.16.54.0/24
- 2.16.55.0/24
- 2.16.56.0/24
- 2.16.57.0/24
- 2.16.60.0/23
- 2.16.62.0/24
- 2.16.63.0/24
- 2.16.64.0/24
- 2.16.65.0/24
- 2.16.66.0/23
- 2.16.72.0/23
- 2.16.74.0/23
- 2.16.76.0/24
- 2.16.77.0/24
- 2.16.78.0/24
- 2.16.79.0/24
- 2.16.80.0/23
- 2.16.84.0/23
- 2.16.88.0/24
- 2.16.89.0/24
- 2.16.92.0/24
- 2.16.93.0/24
- 2.16.96.0/22
- 2.16.100.0/23
- 2.16.103.0/24
- 2.16.106.0/24
- 2.16.107.0/24
- 2.16.108.0/24
- 2.16.109.0/24
- 2.16.110.0/24
- 2.16.111.0/24
- 2.16.114.0/23
- 2.16.116.0/24
- 2.16.118.0/24
- 2.16.119.0/24
- 2.16.120.0/24
- 2.16.121.0/24
- 2.16.128.0/24
- 2.16.129.0/24
- 2.16.131.0/24
- 2.16.132.0/23
- 2.16.135.0/24
- 2.16.136.0/24
- 2.16.137.0/24
- 2.16.138.0/23
- 2.16.140.0/24
- 2.16.141.0/24
- 2.16.142.0/24
- 2.16.143.0/24
- 2.16.144.0/24
- 2.16.145.0/24
- 2.16.146.0/24
- 2.16.147.0/24
- 2.16.152.0/24
- 2.16.153.0/24
- 2.16.154.0/24
- 2.16.155.0/24
- 2.16.156.0/23
- 2.16.158.0/24
- 2.16.159.0/24
- 2.16.160.0/23
- 2.16.162.0/24
- 2.16.163.0/24
- 2.16.164.0/24
- 2.16.165.0/24
- 2.16.166.0/24
- 2.16.167.0/24
- 2.16.168.0/24
- 2.16.169.0/24
- 2.16.170.0/24
- 2.16.171.0/24
- 2.16.172.0/24
- 2.16.173.0/24
- 2.16.180.0/24
- 2.16.181.0/24
- 2001:418:1401:18::/64
- 2001:418:1401:21::/64
- 2001:418:1401:25::/64
- 2001:418:1401:4::/64
- 2001:418:1401:6a::/64
- 2001:418:1401:7::/64
- 2001:418:1401:71::/64
- 2001:418:1401:7d::/64
- 2001:418:4001:2::/64
- 2001:418:4001:4::/64
- 2001:4450:40::/48
- 2001:4457:ff0::/48
- 2001:4546:1003::/48
- 2001:590:2005:200::/56
- 2001:c38:500a::/48
- 2401:fdc0:a000::/48
- 2403:c780:7203::/48
- 2404:c800:8203::/48
- 2405:2000:2c02::/48
- 2405:9600::/32
- 2600:1400::/24
- 2600:1400:1800::/48
- 2600:1400:2800::/48
- 2600:1400:800::/48
- 2600:1400:9000::/48
- 2600:1400:b000::/48
- 2600:1400:f000::/48
- 2600:1401:2000::/48
- 2600:1401:4000::/48
- 2600:1401:6000::/48
- 2600:1401:c000::/48
- 2600:1401:d000::/48
- 2600:1401:f000::/48
- 2600:1402:1400::/48
- 2600:1402:19::/48
- 2600:1402:1c00::/48
- 2600:1402:3000::/48
- 2600:1402:400::/48
- 2600:1402:5000::/48
- 2600:1402:6800::/48
- 2600:1402:7800::/48
- 2600:1402:800::/48
- 2600:1402:8000::/48
- 2600:1402:8800::/48
- 2600:1402:9800::/48
- 2600:1402:a800::/48
- 2600:1402:b800::/48
- 2600:1402:c000::/48
- 2600:1402:c800::/48
- 2600:1402:d800::/48
- 2600:1402:f000::/48
- 2600:1403:4000::/48
- 2600:1403:5400::/48
- 2600:1403:8400::/48
- 2600:1403:9400::/48
- 2600:1403:9c00::/48
- 2600:1403:a400::/48
- 2600:1403:ac00::/48
- 2600:1403:c400::/48
- 2600:1403:cc00::/48
- 2600:1403:d400::/48
- 2600:1403:dc00::/48
- 2600:1404:1200::/48
- 2600:1404:1400::/48
- 2600:1404:1600::/48
- 2600:1404:1800::/48
- 2600:1404:200::/48
- 2600:1404:27::/48
- 2600:1404:2e00::/48
- 2600:1404:5400::/48
- 2600:1404:5c00::/48
- 2600:1404:600::/48
- 2600:1404:6400::/48
- 2600:1404:6c00::/48
- 2600:1404:8400::/48
- 2600:1404:a00::/48
- 2600:1404:b400::/48
- 2600:1404:cc00::/48
- 2600:1404:d400::/48
- 2600:1404:e00::/48
- 2600:1404:e400::/48
- 2600:1404:ec00::/48
- 2600:1404:f400::/48
- 2600:1404:fc00::/48
- 2600:1405:1000::/48
- 2600:1405:401::/48
- 2600:1405:6400::/48
- 2600:1405:6c00::/48
- 2600:1405:7400::/48
- 2600:1405:7c00::/48
- 2600:1405:801::/48
- 2600:1405:8400::/48
- 2600:1405:8c00::/48
- 2600:1405:9000::/48
- 2600:1405:a000::/48
- 2600:1405:b000::/48
- 2600:1405:b400::/48
- 2600:1405:bc00::/48
- 2600:1405:d000::/48
- 2600:1405:d400::/48
A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.
Registry record
| Field | Value |
|---|---|
| aut-num | 20940 |
| as-name | AKAMAI-ASN1 |
| org | ORG-AT1-RIPE |
| import | from AS9126 action pref=50; accept ANY |
| import | from AS6805 action pref=50; accept AS-MWAYS |
| import | from AS3066 action pref=50; accept AS3066 |
| import | from AS12755 action pref=50; accept ANY |
| import | from AS3549 action pref=50; accept ANY |
| import | from AS8220 action pref=50; accept ANY |
| import | from AS8372 action pref=50; accept ANY |
| import | from AS5430 action pref=50; accept AS-FREENETDE |
| import | from AS5466 action pref=50; accept AS-EIRCOM |
| import | from AS3333 action pref=50; accept ANY |
| import | from AS13030 action pref=50; accept ANY |
| import | from AS5413 action pref=50; accept AS5413:AS-PIPEX |
| import | from AS42910 accept ANY |
| import | from AS8928 accept ANY |
| import | from AS15830 accept ANY |
| export | to AS3333 announce AS-AKAMAI |
| export | to AS9126 announce AS-AKAMAI |
| export | to AS6805 announce AS-AKAMAI |
| export | to AS3066 announce AS20940 |
| export | to AS12755 announce AS-AKAMAI |
| export | to AS3549 announce AS-AKAMAI |