[afnog] Weekly Global IPv4 Routing Table Report

Routing Table Analysis Role Account cscora at apnic.net
Fri Oct 25 18:02:40 UTC 2024


This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net.

For historical data, please see https://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

IPv4 Routing Table Report   04:00 +10GMT Sat 26 Oct, 2024

  IPv4 BGP Table (Global) as seen at Japan.

Report Website:     https://thyme.apnic.net
Detailed Analysis:  https://thyme.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              965668
    Prefixes after maximum aggregation (per Origin AS):          367154
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      468685
    Number of IPv4 prefixes with a valid ROA:                    208958
    Number of IPv4 prefixes with an invalid ROA:                    497
    Number of IPv4 prefixes with no ROA:                         756213
Total ASes present in the Internet Routing Table:                 76408
    Prefixes per ASN:                                             12.64
Origin-only ASes present in the Internet Routing Table:           65447
Origin ASes announcing only one prefix:                           26834
Transit ASes present in the Internet Routing Table:               10961
Transit-only ASes present in the Internet Routing Table:            529
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      62
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1022
    Number of instances of unregistered ASNs:                      1033
Number of 32-bit ASNs allocated by the RIRs:                      45629
Number of 32-bit ASNs visible in the Routing Table:               37334
Prefixes from 32-bit ASNs in the Routing Table:                  193810
Number of bogon 32-bit ASNs visible in the Routing Table:            51
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            545
Number of addresses announced to Internet:                   3028000256
    Equivalent to 180 /8s, 123 /16s and 158 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      315615

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   258303
    Total APNIC prefixes after maximum aggregation:               75618
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          250085
    Unique aggregates announced from the APNIC address blocks:   101196
APNIC Region origin ASes present in the Internet Routing Table:   14418
    APNIC Prefixes per ASN:                                       17.35
APNIC Region origin ASes announcing only one prefix:               4386
APNIC Region transit ASes present in the Internet Routing Table:   1909
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9854
Number of APNIC addresses announced to Internet:              756757632
    Equivalent to 45 /8s, 27 /16s and 52 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    282230
    Total ARIN prefixes after maximum aggregation:               126197
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285692
    Unique aggregates announced from the ARIN address blocks:    135666
ARIN Region origin ASes present in the Internet Routing Table:    19208
    ARIN Prefixes per ASN:                                        14.87
ARIN Region origin ASes announcing only one prefix:                6981
ARIN Region transit ASes present in the Internet Routing Table:    2010
Average ARIN Region AS path length visible:                         4.6
    Max ARIN Region AS path length visible:                          36
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5056
Number of ARIN addresses announced to Internet:              1267086080
    Equivalent to 75 /8s, 134 /16s and 51 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    268248
    Total RIPE prefixes after maximum aggregation:               129602
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           265030
    Unique aggregates announced from the RIPE address blocks:    168662
RIPE Region origin ASes present in the Internet Routing Table:    28790
    RIPE Prefixes per ASN:                                         9.21
RIPE Region origin ASes announcing only one prefix:               12130
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         5.3
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12080
Number of RIPE addresses announced to Internet:               722097280
    Equivalent to 43 /8s, 10 /16s and 84 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  122678
    Total LACNIC prefixes after maximum aggregation:              28486
    LACNIC Deaggregation factor:                                   4.31
Prefixes being announced from the LACNIC address blocks:         120248
    Unique aggregates announced from the LACNIC address blocks:   48442
LACNIC Region origin ASes present in the Internet Routing Table:  11166
    LACNIC Prefixes per ASN:                                      10.77
LACNIC Region origin ASes announcing only one prefix:              2646
LACNIC Region transit ASes present in the Internet Routing Table:  2485
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9082
Number of LACNIC addresses announced to Internet:             177488640
    Equivalent to 10 /8s, 148 /16s and 67 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  33187
    Total AfriNIC prefixes after maximum aggregation:              6593
    AfriNIC Deaggregation factor:                                  5.03
Prefixes being announced from the AfriNIC address blocks:         44068
    Unique aggregates announced from the AfriNIC address blocks:  14265
AfriNIC Region origin ASes present in the Internet Routing Table:  1900
    AfriNIC Prefixes per ASN:                                     23.19
AfriNIC Region origin ASes announcing only one prefix:              691
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       62
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262
Number of AfriNIC addresses announced to Internet:            104279296
    Equivalent to 6 /8s, 55 /16s and 45 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808       10088       8752      85  CHINAMOBILE-CN China Mobile Communication
  7545        5993        840     654  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4872       4192      74  ERX-CERNET-BKB China Education and Resear
 18403        4546        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3938       1331      25  VIETEL-AS-AP Viettel Group, VN
  9498        3854        513     271  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3653       1036      71  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3264       1871     101  VNPT-AS-VN VNPT Corp, VN
 24560        2783        829     542  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2285      11519     586  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10920      11917    3811  AMAZON-02, US
 11492        4660        310     547  CABLEONE, US
   174        4432       8760     836  COGENT-174, US
  7155        4163        287      85  VIASAT-SP-BACKBONE, US
  6327        3603       1320      79  SHAW, CA
 22773        3414       3035     188  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54896    2509  DNIC-AS-00749, US
  7018        3170      23668    1970  ATT-INTERNET4, US
396982        2866       3654     420  GOOGLE-CLOUD-PLATFORM, US
 16625        2849       1245    2122  AKAMAI-AS, US

Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7646       1709     143  UNI2-AS, ES
 39891        4652        281      59  ALJAWWALSTC-AS, SA
 20940        3871       3395     129  AKAMAI-ASN1, NL
  9009        3707        320    1893  M247, RO
 12389        2953       2294     881  ROSTELECOM-AS, RU
 34984        2342        359     579  TELLCOM-AS, TR
212238        1807        133    1342  CDNEXT, GB
 13188        1606        100      30  TRIOLAN, UA
  8452        1579       1852      14  TE-AS TE-AS, EG
  8551        1475        366      32  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11564       3237     506  UNINET, MX
 10620        3545        494     939  Telmex Colombia S.A., CO
 13999        2529        533     358  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad y
 28573        1338       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1319        779     200  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1156        374     163  Axtel, S.A.B. de C.V., MX
 11664        1155        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1113        369      22  Telefonica del Peru S.A.A., PE
 22884        1061         97     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1637        593      29  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 36992        1414       1519     283  ETISALAT-MISR, EG
 29571        1355         86      58  ORANGE-COTE-IVOIRE, CI
 36903        1249        554      96  MT-MPLS, MA
 36935         992        523      47  Vodafone-, EG
 20011         781        153     343  INTERNET-SOLUTIONS, ZA
 37069         595       1099      13  MOBINIL, EG
  6713         554       1861      35  IAM-AS, MA
 36914         526         82       3  KENET-AS, KE

Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11564       3237     506  UNINET, MX
 16509       10920      11917    3811  AMAZON-02, US
  9808       10088       8752      85  CHINAMOBILE-CN China Mobile Communication
 12479        7646       1709     143  UNI2-AS, ES
  7545        5993        840     654  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4872       4192      74  ERX-CERNET-BKB China Education and Resear
 11492        4660        310     547  CABLEONE, US
 39891        4652        281      59  ALJAWWALSTC-AS, SA
 18403        4546        347      23  FPT-AS-AP FPT Telecom Company, VN
   174        4432       8760     836  COGENT-174, US

Complete listing at https://thyme.apnic.net/current/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808       10088        10003  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7646         7503  UNI2-AS, ES
 16509       10920         7109  AMAZON-02, US
  7545        5993         5339  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4872         4798  ERX-CERNET-BKB China Education and Research Net
 39891        4652         4593  ALJAWWALSTC-AS, SA
 18403        4546         4523  FPT-AS-AP FPT Telecom Company, VN
 11492        4660         4113  CABLEONE, US
  7155        4163         4078  VIASAT-SP-BACKBONE, US
  7552        3938         3913  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://thyme.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://thyme.apnic.net/current/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://thyme.apnic.net/current/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.137.192.0/24      Origin:     31798  DATACITY, CA
23.137.192.0/24     Transit:     21949  BEANFIELD, CA
23.139.88.0/24       Origin:    397244  RESERVED, ZZ
23.139.88.0/24      Transit:     33387  NOCIX, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US

Complete listing at https://thyme.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:36      /11:91      /12:295     
/13:576     /14:1171    /15:2060    /16:13194   /17:8270    /18:13764   
/19:24584   /20:44917   /21:52263   /22:112238  /23:100209  /24:591239  
/25:729     /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6700        7646  UNI2-AS, ES
  8151        5750       11564  UNINET, MX
 11492        3555        4660  CABLEONE, US
 39891        3412        4652  ALJAWWALSTC-AS, SA
  6327        3398        3603  SHAW, CA
  7155        3107        4163  VIASAT-SP-BACKBONE, US
 22773        2545        3414  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2221       10920  AMAZON-02, US
 30036        2188        2527  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2174        3545  Telmex Colombia S.A., CO

Complete listing at https://thyme.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2295      2:1547      3:505       4:8         5:4414      6:168    
   7:6         8:1513      9:1        11:172      12:1422     13:363    
  14:2475     15:331      16:264      17:359      18:900      20:441    
  21:4        22:188      23:6953     24:2645     25:2        27:2597   
  29:19       31:2934     32:48       34:70       35:142      36:2366   
  37:4489     38:8769     39:917      40:150      41:4118     42:2196   
  43:2469     44:333      45:17699    46:4702     47:300      49:2026   
  50:1861     51:580      52:1584     54:315      55:953      56:8      
  57:223      58:2265     59:1265     60:1145     61:2741     62:2835   
  63:1859     64:5418     65:2278     66:4662     67:2998     68:1334   
  69:4014     70:1129     71:565      72:2857     74:2781     75:1630   
  76:638      77:2575     78:1876     79:1656     80:2193     81:2030   
  82:1782     83:1380     84:1754     85:3093     86:960      87:2410   
  88:1245     89:4372     90:701      91:8278     92:2625     93:2815   
  94:3809     95:4296     96:1265     97:315      98:1072     99:740    
 100:73      101:1167    102:3435    103:32300   104:4403    105:701    
 106:986     107:2398    108:1165    109:4027    110:2206    111:3322   
 112:2045    113:1790    114:1932    115:2129    116:1990    117:2716   
 118:2880    119:1962    120:1896    121:1410    122:2715    123:2153   
 124:1638    125:2858    126:64      128:1426    129:944     130:1247   
 131:1863    132:808     133:446     134:1527    135:316     136:1262   
 137:1126    138:2888    139:1541    140:1475    141:1565    142:1808   
 143:1605    144:1022    145:396     146:2110    147:2048    148:2537   
 149:2818    150:1121    151:1377    152:2116    153:499     154:6930   
 155:1562    156:2603    157:1840    158:1230    159:2442    160:3232   
 161:1737    162:3563    163:1766    164:1937    165:2140    166:1335   
 167:1855    168:4076    169:786     170:4934    171:1022    172:3909   
 173:3125    174:909     175:1254    176:3474    177:4752    178:3551   
 179:2204    180:2487    181:3919    182:3318    183:2055    184:2263   
 185:21169   186:5008    187:4244    188:4253    189:4091    190:9560   
 191:1513    192:11243   193:9272    194:7612    195:5402    196:3229   
 197:3364    198:6064    199:8202    200:8142    201:6281    202:10559  
 203:10405   204:4644    205:3710    206:4620    207:3683    208:4219   
 209:5174    210:4792    211:2671    212:4505    213:3656    214:1074   
 215:48      216:6639    217:3036    218:1383    219:558     220:2068   
 221:1048    222:837     223:2299   

End of report



More information about the afnog mailing list