asn.dev

Address space

AS7922 COMCAST-7922

IPv4 prefixes 3,618 42.06M addresses
IPv6 prefixes 1,947
Most common size /24 IPv4
Flagged 1

Shape

Prefix sizes

IPv4
/8
/8: 1
1
/10
/10: 1
1
/11
/11: 1
1
/12
/12: 2
2
/13
/13: 2
2
/14
/14: 14
14
/15
/15: 17
17
/16
/16: 39
39
/17
/17: 48
48
/18
/18: 83
83
/19
/19: 148
148
/20
/20: 233
233
/21
/21: 416
416
/22
/22: 700
700
/23
/23: 903
903
/24
/24: 1,010
1,010

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
/22
/22: 2
2
/24
/24: 2
2
/25
/25: 3
3
/26
/26: 16
16
/27
/27: 2
2
/28
/28: 4
4
/29
/29: 3
3
/30
/30: 4
4
/31
/31: 3
3
/32
/32: 12
12
/33
/33: 4
4
/34
/34: 5
5
/35
/35: 8
8
/36
/36: 12
12
/37
/37: 16
16
/38
/38: 11
11
/39
/39: 14
14
/40
/40: 16
16
/41
/41: 11
11
/42
/42: 13
13
/43
/43: 15
15
/44
/44: 26
26
/45
/45: 25
25
/46
/46: 117
117
/47
/47: 473
473
/48
/48: 1,130
1,130

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America5,565

Review

Flagged prefixes

1 of 5,565
PrefixFamilyAddressesCountryFlags
73.0.0.0/8IPv416,777,216USVery large

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 5,565
PrefixFamilyAddressesCountryFlags
23.25.128.0/20IPv44,096US
23.25.192.0/18IPv416,384US
23.30.64.0/19IPv48,192US
23.30.128.0/18IPv416,384US
23.30.206.0/23IPv4512US
23.68.0.0/14IPv4262,144US
24.2.128.0/17IPv432,768US
24.16.0.0/13IPv4524,288US
24.34.0.0/16IPv465,536US
24.40.0.0/18IPv416,384US
24.40.64.0/20IPv44,096US
24.60.0.0/14IPv4262,144US
24.91.0.0/16IPv465,536US
24.104.0.0/19IPv48,192US
24.104.32.0/22IPv41,024US
24.104.36.0/24IPv4256US
24.104.38.0/23IPv4512US
24.104.40.0/24IPv4256US
24.104.43.0/24IPv4256US
24.104.44.0/23IPv4512US
24.104.49.0/24IPv4256US
24.104.50.0/23IPv4512US
24.104.52.0/22IPv41,024US
24.104.56.0/23IPv4512US
24.104.59.0/24IPv4256US
24.104.60.0/24IPv4256US
24.104.62.0/23IPv4512US
24.104.64.0/21IPv42,048US
24.104.74.0/24IPv4256US
24.104.76.0/22IPv41,024US
24.104.80.0/20IPv44,096US
24.104.96.0/20IPv44,096US
24.104.112.0/21IPv42,048US
24.104.120.0/22IPv41,024US
24.104.126.0/23IPv4512US
24.104.128.0/21IPv42,048US
24.104.136.0/23IPv4512US
24.104.140.0/23IPv4512US
24.104.142.0/24IPv4256US
24.104.144.0/23IPv4512US
24.104.147.0/24IPv4256US
24.104.151.0/24IPv4256US
24.104.152.0/22IPv41,024US
24.104.158.0/23IPv4512US
24.124.128.0/24IPv4256US
24.124.136.0/21IPv42,048US
24.124.150.0/24IPv4256US
24.124.154.0/24IPv4256US
24.124.160.0/23IPv4512US
24.124.164.0/22IPv41,024US
24.124.170.0/23IPv4512US
24.124.174.0/24IPv4256US
24.124.192.0/20IPv44,096US
24.124.208.0/21IPv42,048US
24.147.0.0/16IPv465,536US
24.153.68.0/24IPv4256US
24.153.70.0/23IPv4512US
24.153.72.0/21IPv42,048US
24.153.80.0/21IPv42,048US
24.153.92.0/23IPv4512US
24.218.0.0/16IPv465,536US
48.44.1.0/24IPv4256US
48.44.2.0/24IPv4256US
48.44.4.0/24IPv4256US
48.44.6.0/23IPv4512US
48.44.8.0/23IPv4512US
48.44.28.0/22IPv41,024US
48.44.32.0/23IPv4512US
48.44.34.0/24IPv4256US
48.44.36.0/22IPv41,024US
48.44.51.0/24IPv4256US
48.44.52.0/23IPv4512US
48.44.54.0/24IPv4256US
48.44.64.0/22IPv41,024US
48.44.68.0/23IPv4512US
48.44.71.0/24IPv4256US
48.44.72.0/21IPv42,048US
48.44.81.0/24IPv4256US
48.44.82.0/23IPv4512US
48.44.84.0/24IPv4256US
48.44.86.0/23IPv4512US
48.44.88.0/23IPv4512US
48.44.92.0/22IPv41,024US
48.44.96.0/22IPv41,024US
48.44.101.0/24IPv4256US
48.44.102.0/23IPv4512US
48.44.104.0/22IPv41,024US
48.44.109.0/24IPv4256US
48.44.110.0/23IPv4512US
48.44.113.0/24IPv4256US
48.44.114.0/23IPv4512US
48.44.117.0/24IPv4256US
48.44.118.0/23IPv4512US
48.44.122.0/23IPv4512US
48.44.124.0/24IPv4256US
48.44.126.0/23IPv4512US
48.44.160.0/20IPv44,096US
48.44.192.0/19IPv48,192US
48.45.0.0/22IPv41,024US
48.45.4.0/22IPv41,024US
48.45.8.0/21IPv42,048US
48.45.16.0/20IPv44,096US
48.45.32.0/19IPv48,192US
48.45.64.0/18IPv416,384US
48.45.128.0/23IPv4512US
48.45.131.0/24IPv4256US
48.45.132.0/23IPv4512US
48.45.135.0/24IPv4256US
48.45.136.0/23IPv4512US
48.45.139.0/24IPv4256US
48.45.141.0/24IPv4256US
48.45.143.0/24IPv4256US
48.45.144.0/23IPv4512US
48.45.147.0/24IPv4256US
48.45.148.0/23IPv4512US
48.45.152.0/23IPv4512US
48.45.155.0/24IPv4256US
48.45.156.0/23IPv4512US
48.45.159.0/24IPv4256US
48.45.160.0/23IPv4512US
48.45.163.0/24IPv4256US
48.45.166.0/23IPv4512US
48.45.168.0/23IPv4512US
48.45.171.0/24IPv4256US
48.45.172.0/23IPv4512US
48.45.175.0/24IPv4256US
48.45.176.0/23IPv4512US
48.45.179.0/24IPv4256US
48.45.180.0/23IPv4512US
48.45.183.0/24IPv4256US
48.45.184.0/23IPv4512US
48.45.187.0/24IPv4256US
48.45.188.0/23IPv4512US
48.45.190.0/24IPv4256US
48.45.204.0/22IPv41,024US
48.45.208.0/24IPv4256US
48.45.210.0/23IPv4512US
48.45.212.0/23IPv4512US
48.45.215.0/24IPv4256US
48.45.216.0/23IPv4512US
48.45.218.0/24IPv4256US
48.45.227.0/24IPv4256US
48.45.228.0/23IPv4512US
48.45.230.0/24IPv4256US
48.45.232.0/22IPv41,024US
48.45.237.0/24IPv4256US
48.45.238.0/24IPv4256US
48.45.240.0/23IPv4512US
48.45.243.0/24IPv4256US
48.45.244.0/22IPv41,024US
48.45.249.0/24IPv4256US
48.45.250.0/23IPv4512US
48.45.252.0/23IPv4512US
48.45.255.0/24IPv4256US
48.46.0.0/18IPv416,384US
48.46.65.0/24IPv4256US
48.46.66.0/23IPv4512US
48.46.68.0/23IPv4512US
48.46.71.0/24IPv4256US
48.46.72.0/23IPv4512US
48.46.76.0/22IPv41,024US
48.46.81.0/24IPv4256US
48.46.82.0/23IPv4512US
48.46.84.0/22IPv41,024US
48.46.88.0/23IPv4512US
48.46.91.0/24IPv4256US
48.46.92.0/22IPv41,024US
48.46.96.0/22IPv41,024US
48.46.101.0/24IPv4256US
48.46.102.0/23IPv4512US
48.46.104.0/22IPv41,024US
48.46.108.0/23IPv4512US
48.46.112.0/22IPv41,024US
48.46.116.0/23IPv4512US
48.46.119.0/24IPv4256US
48.46.120.0/22IPv41,024US
48.46.124.0/23IPv4512US
48.46.127.0/24IPv4256US
48.46.128.0/21IPv42,048US
48.46.136.0/21IPv42,048US
48.46.144.0/21IPv42,048US
48.46.152.0/21IPv42,048US
48.46.160.0/19IPv48,192US
48.46.192.0/21IPv42,048US
48.46.200.0/21IPv42,048US
48.46.208.0/21IPv42,048US
48.46.216.0/21IPv42,048US
48.46.232.0/21IPv42,048US
48.46.240.0/20IPv44,096US
48.47.1.0/24IPv4256US
48.47.2.0/23IPv4512US
48.47.4.0/23IPv4512US
48.47.6.0/24IPv4256US
48.47.8.0/22IPv41,024US
48.47.12.0/23IPv4512US
48.47.15.0/24IPv4256US
48.47.16.0/22IPv41,024US
48.47.20.0/24IPv4256US
48.47.22.0/23IPv4512US
48.47.24.0/22IPv41,024US
48.47.29.0/24IPv4256US
48.47.30.0/23IPv4512US
48.47.32.0/23IPv4512US
48.47.34.0/24IPv4256US
48.47.36.0/22IPv41,024US
48.47.40.0/23IPv4512US
48.47.43.0/24IPv4256US
48.47.44.0/22IPv41,024US
48.47.48.0/24IPv4256US
48.47.50.0/23IPv4512US
48.47.52.0/22IPv41,024US
48.47.57.0/24IPv4256US
48.47.58.0/23IPv4512US
48.47.60.0/23IPv4512US
48.47.62.0/24IPv4256US
48.47.64.0/22IPv41,024US
48.47.68.0/23IPv4512US
48.47.71.0/24IPv4256US
48.47.72.0/22IPv41,024US
48.47.76.0/24IPv4256US
48.47.78.0/23IPv4512US
48.47.80.0/22IPv41,024US
48.47.85.0/24IPv4256US
48.47.86.0/23IPv4512US
48.47.88.0/23IPv4512US
48.47.90.0/24IPv4256US
48.47.92.0/22IPv41,024US
48.47.96.0/23IPv4512US
48.47.99.0/24IPv4256US
48.47.100.0/22IPv41,024US
48.47.104.0/24IPv4256US
48.47.106.0/23IPv4512US
48.47.108.0/22IPv41,024US
48.47.113.0/24IPv4256US
48.47.114.0/23IPv4512US
48.47.116.0/23IPv4512US
48.47.118.0/24IPv4256US
48.47.120.0/21IPv42,048US
48.47.128.0/18IPv416,384US
48.47.192.0/19IPv48,192US
48.47.224.0/21IPv42,048US
48.47.232.0/22IPv41,024US
48.47.240.0/21IPv42,048US
48.47.248.0/23IPv4512US
48.47.252.0/22IPv41,024US
50.77.24.0/21IPv42,048US
50.78.0.0/19IPv48,192US
50.78.32.0/20IPv44,096US
50.78.160.0/20IPv44,096US
50.78.216.0/21IPv42,048US
50.78.240.0/20IPv44,096US
50.79.136.0/21IPv42,048US
50.79.160.0/19IPv48,192US
50.79.240.0/20IPv44,096US
50.128.0.0/12IPv41,048,576US
50.144.0.0/20IPv44,096US
50.144.18.0/23IPv4512US
50.144.20.0/22IPv41,024US
50.144.24.0/21IPv42,048US
50.144.32.0/19IPv48,192US
50.144.64.0/21IPv42,048US
50.144.72.0/23IPv4512US
50.144.74.0/24IPv4256US
50.144.76.0/22IPv41,024US
50.144.80.0/20IPv44,096US
50.144.96.0/23IPv4512US
50.144.99.0/24IPv4256US
50.144.100.0/22IPv41,024US
50.144.104.0/22IPv41,024US
50.144.108.0/24IPv4256US
50.144.110.0/23IPv4512US
50.144.112.0/20IPv44,096US
50.144.128.0/20IPv44,096US
50.144.144.0/22IPv41,024US
50.144.148.0/23IPv4512US
50.144.150.0/24IPv4256US
50.144.152.0/21IPv42,048US
50.144.160.0/19IPv48,192US
50.144.192.0/21IPv42,048US
50.144.201.0/24IPv4256US
50.144.203.0/24IPv4256US
50.144.204.0/22IPv41,024US
50.144.208.0/20IPv44,096US
50.144.224.0/20IPv44,096US
50.144.240.0/21IPv42,048US
50.144.252.0/22IPv41,024US
50.145.0.0/21IPv42,048US
50.145.8.0/23IPv4512US
50.145.11.0/24IPv4256US
50.145.12.0/22IPv41,024US
50.145.16.0/20IPv44,096US
50.145.32.0/21IPv42,048US
50.145.40.0/22IPv41,024US
50.145.44.0/24IPv4256US
50.145.46.0/23IPv4512US
50.145.48.0/22IPv41,024US
50.145.52.0/23IPv4512US
50.145.54.0/24IPv4256US
50.145.56.0/21IPv42,048US
50.145.64.0/21IPv42,048US
50.145.73.0/24IPv4256US
50.145.74.0/23IPv4512US
50.145.76.0/22IPv41,024US
50.145.80.0/20IPv44,096US
50.145.96.0/19IPv48,192US
50.145.128.0/20IPv44,096US
50.145.144.0/21IPv42,048US
50.145.152.0/23IPv4512US
50.145.156.0/22IPv41,024US
50.145.160.0/19IPv48,192US
50.145.192.0/20IPv44,096US
50.145.208.0/21IPv42,048US
50.145.216.0/22IPv41,024US
50.145.220.0/24IPv4256US
50.145.222.0/23IPv4512US
50.145.224.0/19IPv48,192US
50.146.0.0/17IPv432,768US
50.146.128.0/18IPv416,384US
50.146.192.0/19IPv48,192US
50.146.224.0/24IPv4256US
50.146.226.0/23IPv4512US
50.146.228.0/22IPv41,024US
50.146.232.0/21IPv42,048US
50.146.241.0/24IPv4256US
50.146.242.0/23IPv4512US
50.146.244.0/22IPv41,024US
50.146.248.0/21IPv42,048US
50.147.0.0/21IPv42,048US
50.147.8.0/22IPv41,024US
50.147.13.0/24IPv4256US
50.147.14.0/23IPv4512US
50.147.16.0/20IPv44,096US
50.147.32.0/19IPv48,192US
50.147.64.0/18IPv416,384US
50.147.128.0/19IPv48,192US
50.147.160.0/21IPv42,048US
50.147.169.0/24IPv4256US
50.147.170.0/23IPv4512US
50.147.172.0/22IPv41,024US
50.147.176.0/20IPv44,096US
50.147.192.0/19IPv48,192US
50.147.224.0/23IPv4512US
50.147.227.0/24IPv4256US
50.147.228.0/22IPv41,024US
50.147.232.0/21IPv42,048US
50.147.240.0/20IPv44,096US
50.148.0.0/17IPv432,768US
50.148.128.0/21IPv42,048US
50.148.136.0/23IPv4512US
50.148.138.0/24IPv4256US
50.148.140.0/22IPv41,024US
50.148.144.0/20IPv44,096US
50.148.160.0/22IPv41,024US
50.148.164.0/24IPv4256US
50.148.166.0/23IPv4512US
50.148.168.0/22IPv41,024US
50.148.172.0/23IPv4512US
50.148.175.0/24IPv4256US
50.148.176.0/20IPv44,096US
50.148.192.0/21IPv42,048US
50.148.200.0/22IPv41,024US
50.148.205.0/24IPv4256US
50.148.206.0/23IPv4512US
50.148.208.0/20IPv44,096US
50.148.224.0/19IPv48,192US
50.149.0.0/22IPv41,024US
50.149.4.0/23IPv4512US
50.149.7.0/24IPv4256US
50.149.8.0/21IPv42,048US
50.149.16.0/20IPv44,096US
50.149.32.0/22IPv41,024US
50.149.36.0/24IPv4256US
50.149.38.0/23IPv4512US
50.149.40.0/21IPv42,048US
50.149.48.0/20IPv44,096US
50.149.64.0/22IPv41,024US
50.149.69.0/24IPv4256US
50.149.70.0/23IPv4512US
50.149.72.0/21IPv42,048US
50.149.80.0/22IPv41,024US
50.149.84.0/24IPv4256US
50.149.86.0/23IPv4512US
50.149.88.0/21IPv42,048US
50.149.96.0/19IPv48,192US
50.149.128.0/21IPv42,048US
50.149.136.0/24IPv4256US
50.149.138.0/23IPv4512US
50.149.140.0/22IPv41,024US
50.149.144.0/20IPv44,096US
50.149.160.0/19IPv48,192US
50.149.192.0/22IPv41,024US
50.149.197.0/24IPv4256US
50.149.198.0/23IPv4512US
50.149.200.0/22IPv41,024US
50.149.204.0/24IPv4256US
50.149.206.0/23IPv4512US
50.149.208.0/24IPv4256US
50.149.210.0/23IPv4512US
50.149.212.0/22IPv41,024US
50.149.216.0/21IPv42,048US

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