asn.dev

Address space

AS20940 AKAMAI-ASN1

Hosting RIPE Content

IPv4 prefixes 4,426 8.20M addresses
IPv6 prefixes 12,084
Most common size /22 IPv4
Flagged 21

Shape

IPv4 prefix sizes

All IPv4
/14
/14: 1
1
/16
/16: 2
2
/17
/17: 16
16
/18
/18: 61
61
/19
/19: 179
179
/20
/20: 398
398
/21
/21: 594
594
/22
/22: 1,163
1,163
/23
/23: 1,038
1,038
/24
/24: 964
964
/25
/25: 6
6
/26
/26: 3
3
/30
/30: 1
1

A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

IPv6 prefix sizes

All IPv6
/27
/27: 2
2
/28
/28: 5
5
/29
/29: 4
4
/30
/30: 6
6
/31
/31: 7
7
/32
/32: 9
9
/33
/33: 7
7
/34
/34: 17
17
/35
/35: 30
30
/36
/36: 70
70
/37
/37: 147
147
/38
/38: 331
331
/39
/39: 555
555
/40
/40: 687
687
/41
/41: 745
745
/42
/42: 778
778
/43
/43: 1,069
1,069
/44
/44: 1,033
1,033
/45
/45: 935
935
/46
/46: 1,144
1,144
/47
/47: 1,840
1,840
/48
/48: 2,652
2,652
/64
/64: 11
11

Geography

Where the space lands

CountryNamePrefixes
NLNetherlands16,510

Review

Flagged prefixes

21 of 16,510
PrefixFamilyAddressesCountryFlags
109.69.136.36/30IPv44NLToo specific
165.254.26.128/26IPv464NLToo specific
165.254.58.0/25IPv4128NLToo specific
165.254.119.128/25IPv4128NLToo specific
165.254.145.64/26IPv464NLToo specific
165.254.203.192/26IPv464NLToo specific
165.254.237.128/25IPv4128NLToo specific
165.254.238.128/25IPv4128NLToo specific
165.254.247.128/25IPv4128NLToo specific
198.87.182.0/25IPv4128NLToo specific
2001:418:1401:4::/64IPv6/64NLToo specific
2001:418:1401:7::/64IPv6/64NLToo specific
2001:418:1401:18::/64IPv6/64NLToo specific
2001:418:1401:21::/64IPv6/64NLToo specific
2001:418:1401:25::/64IPv6/64NLToo specific
2001:418:1401:6a::/64IPv6/64NLToo specific
2001:418:1401:71::/64IPv6/64NLToo specific
2001:418:1401:7d::/64IPv6/64NLToo specific
2001:418:4001:2::/64IPv6/64NLToo specific
2001:418:4001:4::/64IPv6/64NLToo specific
2404:a800:3200:19::/64IPv6/64NLToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.