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August 25, 2019 07:14
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Just to show how huge IPv6 is
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from collections import defaultdict | |
import requests | |
import csv | |
import ipaddress | |
import datetime | |
print(f'# {datetime.datetime.utcnow()}') | |
assignmentsFile = requests.get('https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.csv') | |
assignmentsFile.raise_for_status() | |
globalNetwork = ipaddress.ip_network('2000::/3') | |
totals = defaultdict(int) | |
for line in csv.DictReader(assignmentsFile.text.split('\n')): | |
prefixed = ipaddress.ip_network(line['Prefix']) | |
if not globalNetwork.supernet_of(prefixed): | |
continue | |
totals[line['Status']] += prefixed.num_addresses | |
allv6 = ipaddress.ip_network('::/0') | |
for status, n in totals.items(): | |
perc = (n / globalNetwork.num_addresses) * 100 | |
percAll = (n / allv6.num_addresses) * 100 | |
print(f'{perc:.5}% of {globalNetwork} has been {status} (which is only {percAll:.5} of ::/0!)') |
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# 2019-08-25 07:13:39.908520 | |
1.1948% of 2000::/3 has been ALLOCATED (which is only 0.14935 of ::/0!) | |
59.387% of 2000::/3 has been RESERVED (which is only 7.4234 of ::/0!) |
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