asn.dev

Address space

AS12271 TWC-12271-NYC

IPv4 prefixes 166 2.85M addresses
IPv6 prefixes 25
Most common size /19 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/15
/15: 2
2
/16
/16: 19
19
/17
/17: 20
20
/18
/18: 20
20
/19
/19: 30
30
/20
/20: 14
14
/21
/21: 15
15
/22
/22: 15
15
/23
/23: 13
13
/24
/24: 18
18

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
/28
/28: 1
1
/32
/32: 2
2
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 3
3
/44
/44: 2
2
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America191

Inventory

All prefixes

191 total
PrefixFamilyAddressesCountryFlags
23.246.64.0/18IPv416,384US
24.29.96.0/19IPv48,192US
24.29.128.0/19IPv48,192US
24.30.224.0/20IPv44,096US
24.39.104.0/21IPv42,048US
24.39.112.0/20IPv44,096US
24.39.128.0/19IPv48,192US
24.90.0.0/16IPv465,536US
24.97.123.0/24IPv4256US
24.97.124.0/22IPv41,024US
24.97.184.0/23IPv4512US
24.97.200.0/21IPv42,048US
24.102.64.0/18IPv416,384US
24.103.0.0/17IPv432,768US
24.103.224.0/19IPv48,192US
24.104.192.0/18IPv416,384US
24.105.128.0/19IPv48,192US
24.136.96.0/19IPv48,192US
24.161.0.0/17IPv432,768US
24.164.128.0/18IPv416,384US
24.168.0.0/17IPv432,768US
24.168.128.0/19IPv48,192US
24.193.0.0/16IPv465,536US
24.213.160.0/20IPv44,096US
24.213.176.0/21IPv42,048US
47.230.0.0/16IPv465,536US
50.74.0.0/18IPv416,384US
50.74.64.0/20IPv44,096US
50.74.80.0/23IPv4512US
50.74.82.0/24IPv4256US
50.74.84.0/22IPv41,024US
50.74.88.0/21IPv42,048US
50.74.96.0/19IPv48,192US
50.74.128.0/17IPv432,768US
50.75.192.0/18IPv416,384US
66.65.0.0/17IPv432,768US
66.65.128.0/18IPv416,384US
66.108.0.0/16IPv465,536US
66.110.97.0/24IPv4256US
67.243.0.0/16IPv465,536US
67.244.0.0/19IPv48,192US
67.244.64.0/18IPv416,384US
67.245.0.0/16IPv465,536US
67.247.0.0/18IPv416,384US
67.247.96.0/19IPv48,192US
67.250.0.0/16IPv465,536US
67.251.128.0/19IPv48,192US
67.251.192.0/18IPv416,384US
67.254.0.0/16IPv465,536US
68.172.208.0/20IPv44,096US
68.172.224.0/19IPv48,192US
68.173.0.0/16IPv465,536US
68.174.0.0/16IPv465,536US
68.175.0.0/17IPv432,768US
69.193.128.0/17IPv432,768US
69.200.64.0/19IPv48,192US
69.200.224.0/20IPv44,096US
69.200.240.0/21IPv42,048US
69.200.248.0/21IPv42,048US
69.201.128.0/17IPv432,768US
69.202.128.0/17IPv432,768US
69.203.0.0/17IPv432,768US
69.203.128.0/19IPv48,192US
69.203.192.0/18IPv416,384US
69.204.224.0/19IPv48,192US
69.206.0.0/16IPv465,536US
72.43.96.0/20IPv44,096US
72.43.112.0/21IPv42,048US
72.43.120.0/22IPv41,024US
72.43.125.0/24IPv4256US
72.43.126.0/23IPv4512US
72.43.128.0/18IPv416,384US
72.225.64.0/18IPv416,384US
72.225.128.0/17IPv432,768US
72.226.0.0/17IPv432,768US
72.227.128.0/17IPv432,768US
72.229.0.0/16IPv465,536US
72.231.0.0/17IPv432,768US
74.64.0.0/16IPv465,536US
74.65.192.0/18IPv416,384US
74.66.0.0/16IPv465,536US
74.68.0.0/16IPv465,536US
74.71.0.0/16IPv465,536US
74.72.0.0/15IPv4131,072US
76.58.52.0/23IPv4512US
98.0.128.0/20IPv44,096US
98.0.144.0/21IPv42,048US
98.0.152.0/23IPv4512US
98.0.155.0/24IPv4256US
98.0.156.0/22IPv41,024US
98.0.160.0/19IPv48,192US
98.0.192.0/19IPv48,192US
98.0.224.0/21IPv42,048US
98.0.232.0/22IPv41,024US
98.0.237.0/24IPv4256US
98.0.238.0/23IPv4512US
98.0.240.0/20IPv44,096US
98.7.0.0/17IPv432,768US
98.7.192.0/18IPv416,384US
98.12.0.0/16IPv465,536US
98.13.128.0/17IPv432,768US
98.14.0.0/15IPv4131,072US
108.176.0.0/18IPv416,384US
108.176.128.0/18IPv416,384US
142.105.0.0/18IPv416,384US
142.105.64.0/24IPv4256US
142.105.66.0/24IPv4256US
142.105.68.0/22IPv41,024US
142.105.72.0/23IPv4512US
142.105.74.0/24IPv4256US
142.105.76.0/22IPv41,024US
142.105.80.0/20IPv44,096US
142.105.96.0/19IPv48,192US
142.255.0.0/17IPv432,768US
149.89.0.0/16IPv465,536US
150.221.96.0/19IPv48,192US
150.224.177.0/24IPv4256US
158.222.128.0/17IPv432,768US
168.148.128.0/19IPv48,192US
172.254.0.0/24IPv4256US
172.254.2.0/23IPv4512US
172.254.4.0/22IPv41,024US
172.254.8.0/21IPv42,048US
172.254.16.0/21IPv42,048US
172.254.24.0/22IPv41,024US
172.254.28.0/24IPv4256US
172.254.30.0/24IPv4256US
172.254.32.0/19IPv48,192US
172.254.64.0/20IPv44,096US
172.254.80.0/21IPv42,048US
172.254.88.0/22IPv41,024US
172.254.92.0/24IPv4256US
172.254.94.0/23IPv4512US
172.254.96.0/19IPv48,192US
172.254.128.0/22IPv41,024US
172.254.132.0/24IPv4256US
172.254.134.0/23IPv4512US
172.254.136.0/21IPv42,048US
172.254.144.0/20IPv44,096US
172.254.160.0/19IPv48,192US
172.254.192.0/18IPv416,384US
184.74.128.0/18IPv416,384US
184.74.192.0/19IPv48,192US
184.74.224.0/20IPv44,096US
184.74.240.0/21IPv42,048US
184.74.248.0/23IPv4512US
184.74.250.0/24IPv4256US
184.74.252.0/22IPv41,024US
184.75.0.0/17IPv432,768US
184.152.0.0/16IPv465,536US
184.153.0.0/17IPv432,768US
192.61.128.0/19IPv48,192US
192.131.40.0/22IPv41,024US
198.151.199.0/24IPv4256US
198.151.200.0/22IPv41,024US
198.179.64.0/19IPv48,192US
204.210.128.0/19IPv48,192US
207.251.238.0/23IPv4512US
208.105.0.0/19IPv48,192US
208.105.32.0/20IPv44,096US
208.105.48.0/21IPv42,048US
208.105.56.0/22IPv41,024US
208.105.60.0/24IPv4256US
208.105.62.0/23IPv4512US
208.105.64.0/19IPv48,192US
208.125.0.0/19IPv48,192US
2600:6000::/33IPv6—US
2600:6000:8000::/34IPv6—US
2600:6000:c000::/35IPv6—US
2600:6000:e000::/36IPv6—US
2600:6000:f000::/37IPv6—US
2600:6000:f800::/39IPv6—US
2600:6000:fa00::/40IPv6—US
2600:6000:fb00::/43IPv6—US
2600:6000:fb20::/44IPv6—US
2600:6000:fb30::/46IPv6—US
2600:6000:fb35::/48IPv6—US
2600:6000:fb36::/47IPv6—US
2600:6000:fb38::/45IPv6—US
2600:6000:fb40::/42IPv6—US
2600:6000:fb80::/41IPv6—US
2600:6000:fc00::/38IPv6—US
2600:6c7f:9360::/44IPv6—US
2602:107:6300::/43IPv6—US
2602:107:6320::/43IPv6—US
2602:107:6340::/42IPv6—US
2602:107:6380::/41IPv6—US
2602:107:e400::/40IPv6—US
2603:7000::/28IPv6—US
2603:90be::/32IPv6—US
2604:2000::/32IPv6—US