asn.dev

Address space

AS54113 FASTLY

IPv4 prefixes 278 363K addresses
IPv6 prefixes 980
Most common size /24 IPv4
Flagged 62

Shape

Prefix sizes

IPv4
/17
/17: 1
1
/18
/18: 4
4
/19
/19: 10
10
/20
/20: 8
8
/21
/21: 26
26
/22
/22: 51
51
/23
/23: 42
42
/24
/24: 74
74
/25
/25: 18
18
/26
/26: 14
14
/27
/27: 10
10
/28
/28: 20
20

How this network carves its IPv4 space. 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

Prefix sizes

IPv6
/34
/34: 1
1
/35
/35: 4
4
/36
/36: 6
6
/37
/37: 3
3
/38
/38: 9
9
/39
/39: 7
7
/40
/40: 12
12
/41
/41: 9
9
/42
/42: 16
16
/43
/43: 18
18
/44
/44: 145
145
/45
/45: 76
76
/46
/46: 83
83
/47
/47: 182
182
/48
/48: 409
409

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America1,258

Review

Flagged prefixes

62 of 1,258
PrefixFamilyAddressesCountryFlags
104.156.92.0/25IPv4128USToo specific
104.156.92.128/26IPv464USToo specific
104.156.92.192/27IPv432USToo specific
104.156.92.224/28IPv416USToo specific
104.156.92.240/28IPv416USToo specific
140.248.89.192/27IPv432USToo specific
140.248.67.0/25IPv4128USToo specific
140.248.67.128/26IPv464USToo specific
140.248.67.192/27IPv432USToo specific
140.248.67.224/28IPv416USToo specific
140.248.67.240/28IPv416USToo specific
140.248.73.0/25IPv4128USToo specific
140.248.73.128/26IPv464USToo specific
140.248.73.192/27IPv432USToo specific
140.248.73.224/28IPv416USToo specific
140.248.73.240/28IPv416USToo specific
140.248.83.0/25IPv4128USToo specific
140.248.83.128/26IPv464USToo specific
140.248.83.192/27IPv432USToo specific
140.248.83.224/28IPv416USToo specific
140.248.83.240/28IPv416USToo specific
140.248.86.0/25IPv4128USToo specific
140.248.86.128/26IPv464USToo specific
140.248.86.192/27IPv432USToo specific
140.248.86.224/28IPv416USToo specific
140.248.86.240/28IPv416USToo specific
140.248.89.0/25IPv4128USToo specific
140.248.89.128/26IPv464USToo specific
140.248.89.224/28IPv416USToo specific
140.248.89.240/28IPv416USToo specific
157.52.67.0/25IPv4128USToo specific
157.52.67.128/26IPv464USToo specific
157.52.67.192/27IPv432USToo specific
157.52.67.224/28IPv416USToo specific
157.52.67.240/28IPv416USToo specific
157.52.85.0/25IPv4128USToo specific
157.52.85.128/26IPv464USToo specific
157.52.85.192/27IPv432USToo specific
157.52.85.224/28IPv416USToo specific
157.52.85.240/28IPv416USToo specific
157.52.97.0/25IPv4128USToo specific
157.52.97.128/26IPv464USToo specific
157.52.97.192/27IPv432USToo specific
157.52.97.224/28IPv416USToo specific
157.52.97.240/28IPv416USToo specific
172.111.69.0/25IPv4128USToo specific
172.111.69.128/25IPv4128USToo specific
172.111.70.0/26IPv464USToo specific
172.111.70.64/28IPv416USToo specific
172.111.70.80/28IPv416USToo specific
172.111.70.96/27IPv432USToo specific
172.111.70.128/25IPv4128USToo specific
172.111.71.0/25IPv4128USToo specific
172.111.71.128/26IPv464USToo specific
172.111.71.192/26IPv464USToo specific
172.111.76.0/26IPv464USToo specific
172.111.76.64/26IPv464USToo specific
172.111.76.128/25IPv4128USToo specific
172.111.77.0/25IPv4128USToo specific
172.111.77.128/25IPv4128USToo specific
172.111.91.0/25IPv4128USToo specific
172.111.91.128/25IPv4128USToo specific

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

Inventory

All prefixes

showing 400 of 1,258
PrefixFamilyAddressesCountryFlags
23.154.64.0/24IPv4256US
23.185.0.0/24IPv4256US
23.235.32.0/23IPv4512US
23.235.35.0/24IPv4256US
23.235.36.0/22IPv41,024US
23.235.40.0/24IPv4256US
23.235.42.0/23IPv4512US
23.235.44.0/22IPv41,024US
43.249.72.0/22IPv41,024US
45.56.195.0/24IPv4256US
45.58.212.0/22IPv41,024US
45.58.232.0/21IPv42,048US
45.58.240.0/22IPv41,024US
63.141.63.0/24IPv4256US
63.245.216.0/22IPv41,024US
63.245.220.0/23IPv4512US
63.245.222.0/24IPv4256US
64.251.201.0/24IPv4256US
66.43.1.0/24IPv4256US
66.211.168.0/24IPv4256US
87.81.224.0/19IPv48,192US
103.245.222.0/24IPv4256US
104.156.80.0/21IPv42,048US
104.156.89.0/24IPv4256US
104.156.90.0/23IPv4512US
104.156.92.0/25IPv4128USToo specific
104.156.92.128/26IPv464USToo specific
104.156.92.192/27IPv432USToo specific
104.156.92.224/28IPv416USToo specific
104.156.92.240/28IPv416USToo specific
104.156.93.0/24IPv4256US
104.156.94.0/24IPv4256US
104.238.251.0/24IPv4256US
104.244.43.0/24IPv4256US
140.248.89.192/27IPv432USToo specific
140.248.0.0/20IPv44,096US
140.248.16.0/22IPv41,024US
140.248.20.0/23IPv4512US
140.248.22.0/23IPv4512US
140.248.24.0/24IPv4256US
140.248.25.0/24IPv4256US
140.248.26.0/23IPv4512US
140.248.28.0/22IPv41,024US
140.248.32.0/19IPv48,192US
140.248.65.0/24IPv4256US
140.248.66.0/24IPv4256US
140.248.67.0/25IPv4128USToo specific
140.248.67.128/26IPv464USToo specific
140.248.67.192/27IPv432USToo specific
140.248.67.224/28IPv416USToo specific
140.248.67.240/28IPv416USToo specific
140.248.68.0/22IPv41,024US
140.248.72.0/24IPv4256US
140.248.73.0/25IPv4128USToo specific
140.248.73.128/26IPv464USToo specific
140.248.73.192/27IPv432USToo specific
140.248.73.224/28IPv416USToo specific
140.248.73.240/28IPv416USToo specific
140.248.74.0/23IPv4512US
140.248.77.0/24IPv4256US
140.248.78.0/23IPv4512US
140.248.80.0/24IPv4256US
140.248.82.0/24IPv4256US
140.248.83.0/25IPv4128USToo specific
140.248.83.128/26IPv464USToo specific
140.248.83.192/27IPv432USToo specific
140.248.83.224/28IPv416USToo specific
140.248.83.240/28IPv416USToo specific
140.248.84.0/23IPv4512US
140.248.86.0/25IPv4128USToo specific
140.248.86.128/26IPv464USToo specific
140.248.86.192/27IPv432USToo specific
140.248.86.224/28IPv416USToo specific
140.248.86.240/28IPv416USToo specific
140.248.87.0/24IPv4256US
140.248.88.0/24IPv4256US
140.248.89.0/25IPv4128USToo specific
140.248.89.128/26IPv464USToo specific
140.248.89.224/28IPv416USToo specific
140.248.89.240/28IPv416USToo specific
140.248.90.0/23IPv4512US
140.248.97.0/24IPv4256US
140.248.98.0/24IPv4256US
140.248.104.0/22IPv41,024US
140.248.108.0/23IPv4512US
140.248.110.0/24IPv4256US
140.248.112.0/21IPv42,048US
140.248.120.0/22IPv41,024US
140.248.124.0/23IPv4512US
140.248.128.0/19IPv48,192US
140.248.160.0/19IPv48,192US
140.248.192.0/23IPv4512US
140.248.194.0/24IPv4256US
140.248.195.0/24IPv4256US
140.248.196.0/22IPv41,024US
140.248.200.0/22IPv41,024US
140.248.204.0/22IPv41,024US
140.248.208.0/20IPv44,096US
140.248.224.0/19IPv48,192US
146.75.0.0/19IPv48,192US
146.75.32.0/20IPv44,096US
146.75.48.0/21IPv42,048US
146.75.56.0/21IPv42,048US
146.75.64.0/18IPv416,384US
146.75.128.0/19IPv48,192US
146.75.160.0/22IPv41,024US
146.75.164.0/23IPv4512US
146.75.166.0/24IPv4256US
146.75.167.0/24IPv4256US
146.75.168.0/21IPv42,048US
146.75.176.0/22IPv41,024US
146.75.180.0/24IPv4256US
146.75.181.0/24IPv4256US
146.75.182.0/24IPv4256US
146.75.183.0/24IPv4256US
146.75.184.0/21IPv42,048US
146.75.192.0/23IPv4512US
146.75.194.0/23IPv4512US
146.75.196.0/22IPv41,024US
146.75.200.0/22IPv41,024US
146.75.204.0/22IPv41,024US
146.75.208.0/22IPv41,024US
146.75.212.0/24IPv4256US
146.75.213.0/24IPv4256US
146.75.214.0/23IPv4512US
146.75.216.0/21IPv42,048US
146.75.224.0/22IPv41,024US
146.75.228.0/22IPv41,024US
146.75.232.0/21IPv42,048US
146.75.240.0/20IPv44,096US
149.143.160.0/23IPv4512US
149.143.171.0/24IPv4256US
149.143.184.0/23IPv4512US
149.143.186.0/23IPv4512US
151.101.0.0/20IPv44,096US
151.101.16.0/21IPv42,048US
151.101.24.0/21IPv42,048US
151.101.32.0/19IPv48,192US
151.101.64.0/19IPv48,192US
151.101.96.0/21IPv42,048US
151.101.104.0/22IPv41,024US
151.101.108.0/22IPv41,024US
151.101.112.0/22IPv41,024US
151.101.116.0/22IPv41,024US
151.101.120.0/21IPv42,048US
151.101.128.0/17IPv432,768US
157.52.64.0/23IPv4512US
157.52.66.0/24IPv4256US
157.52.67.0/25IPv4128USToo specific
157.52.67.128/26IPv464USToo specific
157.52.67.192/27IPv432USToo specific
157.52.67.224/28IPv416USToo specific
157.52.67.240/28IPv416USToo specific
157.52.68.0/23IPv4512US
157.52.72.0/21IPv42,048US
157.52.80.0/23IPv4512US
157.52.83.0/24IPv4256US
157.52.84.0/24IPv4256US
157.52.85.0/25IPv4128USToo specific
157.52.85.128/26IPv464USToo specific
157.52.85.192/27IPv432USToo specific
157.52.85.224/28IPv416USToo specific
157.52.85.240/28IPv416USToo specific
157.52.87.0/24IPv4256US
157.52.88.0/22IPv41,024US
157.52.92.0/24IPv4256US
157.52.95.0/24IPv4256US
157.52.96.0/24IPv4256US
157.52.97.0/25IPv4128USToo specific
157.52.97.128/26IPv464USToo specific
157.52.97.192/27IPv432USToo specific
157.52.97.224/28IPv416USToo specific
157.52.97.240/28IPv416USToo specific
157.52.98.0/23IPv4512US
157.52.100.0/23IPv4512US
157.52.103.0/24IPv4256US
157.52.104.0/23IPv4512US
157.52.106.0/24IPv4256US
157.52.109.0/24IPv4256US
157.52.110.0/23IPv4512US
157.52.112.0/24IPv4256US
157.52.114.0/24IPv4256US
157.52.116.0/22IPv41,024US
157.52.121.0/24IPv4256US
157.52.122.0/23IPv4512US
157.52.124.0/23IPv4512US
157.52.126.0/24IPv4256US
159.242.243.0/24IPv4256US
162.219.224.0/22IPv41,024US
162.247.243.0/24IPv4256US
167.82.0.0/18IPv416,384US
167.82.64.0/18IPv416,384US
167.82.130.0/23IPv4512US
167.82.133.0/24IPv4256US
167.82.134.0/23IPv4512US
167.82.136.0/22IPv41,024US
167.82.141.0/24IPv4256US
167.82.142.0/23IPv4512US
167.82.160.0/22IPv41,024US
167.82.164.0/24IPv4256US
167.82.166.0/23IPv4512US
167.82.168.0/23IPv4512US
167.82.173.0/24IPv4256US
167.82.224.0/23IPv4512US
167.82.227.0/24IPv4256US
167.82.228.0/22IPv41,024US
167.82.232.0/23IPv4512US
167.82.235.0/24IPv4256US
167.82.236.0/22IPv41,024US
172.111.64.0/22IPv41,024US
172.111.68.0/24IPv4256US
172.111.69.0/25IPv4128USToo specific
172.111.69.128/25IPv4128USToo specific
172.111.70.0/26IPv464USToo specific
172.111.70.64/28IPv416USToo specific
172.111.70.80/28IPv416USToo specific
172.111.70.96/27IPv432USToo specific
172.111.70.128/25IPv4128USToo specific
172.111.71.0/25IPv4128USToo specific
172.111.71.128/26IPv464USToo specific
172.111.71.192/26IPv464USToo specific
172.111.72.0/22IPv41,024US
172.111.76.0/26IPv464USToo specific
172.111.76.64/26IPv464USToo specific
172.111.76.128/25IPv4128USToo specific
172.111.77.0/25IPv4128USToo specific
172.111.77.128/25IPv4128USToo specific
172.111.78.0/23IPv4512US
172.111.80.0/21IPv42,048US
172.111.88.0/23IPv4512US
172.111.90.0/24IPv4256US
172.111.91.0/25IPv4128USToo specific
172.111.91.128/25IPv4128USToo specific
172.111.92.0/22IPv41,024US
172.111.96.0/20IPv44,096US
172.111.112.0/21IPv42,048US
172.111.120.0/23IPv4512US
172.111.122.0/24IPv4256US
172.111.123.0/24IPv4256US
172.111.124.0/24IPv4256US
172.111.125.0/24IPv4256US
172.111.126.0/23IPv4512US
185.31.16.0/22IPv41,024US
185.199.108.0/22IPv41,024US
185.221.87.0/24IPv4256US
198.54.216.0/24IPv4256US
198.145.136.0/22IPv41,024US
198.145.144.0/24IPv4256US
199.27.74.0/23IPv4512US
199.27.77.0/24IPv4256US
199.36.158.0/24IPv4256US
199.232.0.0/21IPv42,048US
199.232.8.0/21IPv42,048US
199.232.16.0/20IPv44,096US
199.232.32.0/20IPv44,096US
199.232.48.0/21IPv42,048US
199.232.56.0/22IPv41,024US
199.232.60.0/22IPv41,024US
199.232.64.0/21IPv42,048US
199.232.72.0/22IPv41,024US
199.232.76.0/22IPv41,024US
199.232.80.0/22IPv41,024US
199.232.84.0/22IPv41,024US
199.232.88.0/21IPv42,048US
199.232.96.0/19IPv48,192US
199.232.128.0/18IPv416,384US
199.232.192.0/21IPv42,048US
199.232.200.0/21IPv42,048US
199.232.208.0/21IPv42,048US
199.232.216.0/22IPv41,024US
199.232.220.0/22IPv41,024US
199.232.224.0/21IPv42,048US
199.232.232.0/22IPv41,024US
199.232.236.0/22IPv41,024US
199.232.240.0/22IPv41,024US
199.232.244.0/22IPv41,024US
199.232.248.0/21IPv42,048US
209.102.206.0/24IPv4256US
2001:df0:45f::/48IPv6—US
2001:df0:461::/48IPv6—US
2001:df0:462::/48IPv6—US
2401:7c60:1::/48IPv6—US
2602:816:5001::/48IPv6—US
2606:2cc0::/46IPv6—US
2606:50c0:8000::/46IPv6—US
2607:71c0:fff0::/45IPv6—US
2607:71c0:fff8::/46IPv6—US
2620:0:890::/48IPv6—US
2620:11a:c004::/48IPv6—US
2620:11a:c010::/48IPv6—US
2620:11a:c012::/48IPv6—US
2620:11a:c014::/48IPv6—US
2620:11a:c016::/48IPv6—US
2620:11a:c018::/46IPv6—US
2620:11a:c01c::/47IPv6—US
2620:11a:c020::/48IPv6—US
2620:11a:c024::/47IPv6—US
2620:12a:8000::/44IPv6—US
2a00:8c40:f000::/42IPv6—US
2a00:8c40:f040::/43IPv6—US
2a00:8c40:f060::/44IPv6—US
2a00:8c40:f080::/41IPv6—US
2a00:8c40:f100::/42IPv6—US
2a00:8c40:f140::/43IPv6—US
2a00:8c40:f170::/44IPv6—US
2a00:8c40:f180::/43IPv6—US
2a00:8c40:f1b0::/44IPv6—US
2a00:8c40:f1c0::/43IPv6—US
2a00:8c40:f1e0::/44IPv6—US
2a00:8c40:f200::/42IPv6—US
2a00:8c40:f240::/43IPv6—US
2a04:4e40::/48IPv6—US
2a04:4e40:40::/44IPv6—US
2a04:4e40:100::/44IPv6—US
2a04:4e40:200::/48IPv6—US
2a04:4e40:210::/48IPv6—US
2a04:4e40:220::/48IPv6—US
2a04:4e40:230::/48IPv6—US
2a04:4e40:240::/44IPv6—US
2a04:4e40:2f0::/48IPv6—US
2a04:4e40:300::/44IPv6—US
2a04:4e40:400::/48IPv6—US
2a04:4e40:410::/44IPv6—US
2a04:4e40:430::/48IPv6—US
2a04:4e40:440::/48IPv6—US
2a04:4e40:4f0::/48IPv6—US
2a04:4e40:500::/44IPv6—US
2a04:4e40:600::/48IPv6—US
2a04:4e40:610::/44IPv6—US
2a04:4e40:620::/48IPv6—US
2a04:4e40:640::/48IPv6—US
2a04:4e40:6f0::/48IPv6—US
2a04:4e40:700::/44IPv6—US
2a04:4e40:800::/48IPv6—US
2a04:4e40:810::/44IPv6—US
2a04:4e40:820::/48IPv6—US
2a04:4e40:821::/48IPv6—US
2a04:4e40:822::/47IPv6—US
2a04:4e40:824::/46IPv6—US
2a04:4e40:828::/45IPv6—US
2a04:4e40:840::/44IPv6—US
2a04:4e40:900::/44IPv6—US
2a04:4e40:a00::/48IPv6—US
2a04:4e40:a10::/44IPv6—US
2a04:4e40:a20::/48IPv6—US
2a04:4e40:a21::/48IPv6—US
2a04:4e40:a22::/47IPv6—US
2a04:4e40:a24::/46IPv6—US
2a04:4e40:a28::/45IPv6—US
2a04:4e40:a30::/48IPv6—US
2a04:4e40:a31::/48IPv6—US
2a04:4e40:a32::/47IPv6—US
2a04:4e40:a34::/46IPv6—US
2a04:4e40:a38::/45IPv6—US
2a04:4e40:a40::/48IPv6—US
2a04:4e40:a41::/48IPv6—US
2a04:4e40:a42::/47IPv6—US
2a04:4e40:a44::/46IPv6—US
2a04:4e40:a48::/45IPv6—US
2a04:4e40:a50::/48IPv6—US
2a04:4e40:a51::/48IPv6—US
2a04:4e40:a52::/47IPv6—US
2a04:4e40:a54::/46IPv6—US
2a04:4e40:a58::/45IPv6—US
2a04:4e40:af0::/48IPv6—US
2a04:4e40:b00::/44IPv6—US
2a04:4e40:d00::/44IPv6—US
2a04:4e40:e00::/48IPv6—US
2a04:4e40:e10::/48IPv6—US
2a04:4e40:e20::/48IPv6—US
2a04:4e40:e40::/44IPv6—US
2a04:4e40:ef0::/48IPv6—US
2a04:4e40:f00::/48IPv6—US
2a04:4e40:f10::/48IPv6—US
2a04:4e40:f40::/48IPv6—US
2a04:4e40:1000::/48IPv6—US
2a04:4e40:1010::/48IPv6—US
2a04:4e40:1020::/48IPv6—US
2a04:4e40:1030::/44IPv6—US
2a04:4e40:1040::/48IPv6—US
2a04:4e40:1041::/48IPv6—US
2a04:4e40:1042::/47IPv6—US
2a04:4e40:1044::/46IPv6—US
2a04:4e40:1048::/45IPv6—US
2a04:4e40:1050::/48IPv6—US
2a04:4e40:10f0::/48IPv6—US
2a04:4e40:1100::/48IPv6—US
2a04:4e40:1110::/48IPv6—US
2a04:4e40:1140::/48IPv6—US
2a04:4e40:1200::/48IPv6—US
2a04:4e40:1220::/44IPv6—US
2a04:4e40:1240::/44IPv6—US
2a04:4e40:1300::/44IPv6—US
2a04:4e40:1500::/44IPv6—US
2a04:4e40:1600::/48IPv6—US
2a04:4e40:1620::/44IPv6—US
2a04:4e40:1640::/44IPv6—US
2a04:4e40:16f0::/48IPv6—US
2a04:4e40:1700::/48IPv6—US
2a04:4e40:1720::/44IPv6—US

Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.