alloc_per_country.py

#!/usr/bin/env python3

import urllib.request

from collections import defaultdict

DELEGSTATS = "https://ftp.ripe.net/ripe/stats/delegated-ripencc-extended-latest"

def main():
    """
    Count number of IP blocks per country.
    """
    stats = {
        "ipv4": defaultdict(int),
        "ipv6": defaultdict(int),
        "asn": defaultdict(int),
    }
    with urllib.request.urlopen(DELEGSTATS) as s:
        for line in s:
            if b"allocated" not in line:
                continue
            _, country, family, _, count, *_ = line.decode().split("|")
            if family == "ipv6":
                # For IPv6 we count number of /48s
                stats[family][country] += pow(2, 48-int(count))
            else:
                stats[family][country] += int(count)
    print("Country     IPv4       /48s   ASNs")
    print(34*"=")
    for country in sorted(stats["ipv4"],
                          key=lambda x: stats["ipv4"][x],
                          reverse=True):
        print(f'{country:<5} {stats["ipv4"][country]:>10} '
              f'{stats["ipv6"][country]:>10} {stats["asn"][country]:>6}'
        )


if __name__ == '__main__':
    main()

output_2023-07-28.txt

Country     IPv4       /48s   ASNs
==================================
DE      84348288 1547042816   2985
GB      78895360 1493303296   3030
FR      68490752  976683008   1926
IT      44087552  685244416   1287
RU      41206272  938344448   5869
ES      29623808  397803520   1212
NL      29266432  767295488   1515
SE      23370496  455606272    875
PL      18389248  406519808   2547
TR      16298752  244252672    869
IR      12145920  197525504    753
DK      10750720  110231552    454
SA      10290944   30146560    183
CH       9995520  255393792   1043
FI       9849856   96862208    370
BE       8894976  109445120    386
NO       8716800  149094400    374
AT       8441856  154271744    748
CZ       8185856  195624960    683
UA       7829760  171376640   2165
US       7828992  228065280    693
RO       7717888   84082688   1164
PT       6407936   38797312    143
IL       6057600   53542912    350
IE       5716480   69402624    291
HU       5266944   45547520    300
GR       4761600   30801920    226
AE       4701696  200409088    128
BG       4214784   74186752    768
KZ       3171328   24838144    190
LT       2464768  123142144    199
SI       2374912   30277632    293
HR       2304256   22872064    170
SK       2182400   39583744    222
RS       2070528   26083328    202
BY       1779200    9961472    121
KW       1681920   12320768     76
LV       1580800   22478848    307
EE       1264128   57344000    198
SY       1259264    9175040      5
GE       1254912   24510464    152
MD       1213440   96600064    215
CY       1181184  169279488    155
LU        932864   29556736    129
OM        890112    7340032     22
PS        856576   13107200     67
QA        843008    4653056     20
BA        771584   10616832     54
AZ        755200   22937600     81
MK        684288   13565952     62
MT        670464    9043968     54
IS        669696   17301504     90
JO        643840   13238272     50
AM        619520   17629184    120
LB        586752   37945344    173
AL        470528   35520512    108
BH        451072    5111808     28
IQ        445696   52363264    205
HK        306176   38469632     85
CA        268800    9240576     82
SC        265984  132448256     62
GI        244480    5177344     33
UZ        242176   12713984     93
KG        239360    5832704     59
ME        204544    6553600     27
YE        139264    3145728      6
AU        134656    5570560     30
IN        132096   33095680     39
MQ        131328    1245184      5
AG        113920     720896      6
GP        107520     524288      2
LI         88832    5505024     26
JE         77568    3407872     13
IM         74752    4980736     23
TJ         68352    4390912     28
MC         61952    1703936      3
BZ         56320    4653056     17
AD         56320     131072      3
RE         52224     589824      2
VG         51200    6422528     28
CN         49408    3670016    187
FO         44032    1638400      6
SM         36096    2359296     11
GG         36096    1703936      7
GL         34304     655360      1
PA         27648    6946816     13
TM         21760     524288      6
SG         13056    2621440     17
CW         12288    1572864      6
JP         10752    2097152     17
VA         10240    1114112      3
ZA          9472    1245184      7
NZ          9216    3211264      6
FK          7168          0      2
NG          5120     524288      2
BM          4352     131072      2
AX          4096      65536      1
LY          3072     524288      0
TW          2048     524288     56
BD          2048     524288      2
BR          2048     524288     12
VC          2048      65536      1
VN          1536     524288      7
AF          1536          0      0
PK          1280          0      2
DM          1024     524288      2
KY          1024          0      1
TN          1024          0      2
EG          1024          0      4
AO          1024     524288      0
VU          1024     524288      1
KE           256     524288      3
KR           256     524288     18
BQ           256     524288      1
TH           256     524288      3