[menog] Weekly Global IPv4 Routing Table Report

Routing Table Analysis Role Account cscora at apnic.net
Fri Jun 28 18:02:14 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 29 Jun, 2024

  BGP Table (Global) as seen in Japan.

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

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

BGP routing table entries examined:                              954419
    Prefixes after maximum aggregation (per Origin AS):          363407
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      464995
Total ASes present in the Internet Routing Table:                 75907
    Prefixes per ASN:                                             12.57
Origin-only ASes present in the Internet Routing Table:           65039
Origin ASes announcing only one prefix:                           26699
Transit ASes present in the Internet Routing Table:               10868
Transit-only ASes present in the Internet Routing Table:            527
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:               998
    Number of instances of unregistered ASNs:                      1000
Number of 32-bit ASNs allocated by the RIRs:                      44897
Number of 32-bit ASNs visible in the Routing Table:               36638
Prefixes from 32-bit ASNs in the Routing Table:                  188462
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            555
Number of addresses announced to Internet:                   3025151616
    Equivalent to 180 /8s, 80 /16s and 38 /24s
    Percentage of available address space announced:               81.7
    Percentage of allocated address space announced:               81.7
    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:      312557

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

Prefixes being announced by APNIC Region ASes:                   255374
    Total APNIC prefixes after maximum aggregation:               74242
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          247350
    Unique aggregates announced from the APNIC address blocks:   101104
APNIC Region origin ASes present in the Internet Routing Table:   14220
    APNIC Prefixes per ASN:                                       17.39
APNIC Region origin ASes announcing only one prefix:               4328
APNIC Region transit ASes present in the Internet Routing Table:   1906
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9628
Number of APNIC addresses announced to Internet:              761694592
    Equivalent to 45 /8s, 102 /16s and 137 /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:                    277700
    Total ARIN prefixes after maximum aggregation:               125420
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:           282299
    Unique aggregates announced from the ARIN address blocks:    134685
ARIN Region origin ASes present in the Internet Routing Table:    19137
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1989
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4933
Number of ARIN addresses announced to Internet:              1266881792
    Equivalent to 75 /8s, 131 /16s and 21 /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:                    266279
    Total RIPE prefixes after maximum aggregation:               127592
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           261045
    Unique aggregates announced from the RIPE address blocks:    165134
RIPE Region origin ASes present in the Internet Routing Table:    28665
    RIPE Prefixes per ASN:                                         9.11
RIPE Region origin ASes announcing only one prefix:               12123
RIPE Region transit ASes present in the Internet Routing Table:    3986
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          41
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11869
Number of RIPE addresses announced to Internet:               713697024
    Equivalent to 42 /8s, 138 /16s and 39 /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:                  122256
    Total LACNIC prefixes after maximum aggregation:              29258
    LACNIC Deaggregation factor:                                   4.18
Prefixes being announced from the LACNIC address blocks:         120330
    Unique aggregates announced from the LACNIC address blocks:   50028
LACNIC Region origin ASes present in the Internet Routing Table:  11112
    LACNIC Prefixes per ASN:                                      10.83
LACNIC Region origin ASes announcing only one prefix:              2640
LACNIC Region transit ASes present in the Internet Routing Table:  2425
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        60
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8993
Number of LACNIC addresses announced to Internet:             176774144
    Equivalent to 10 /8s, 137 /16s and 92 /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:                  31812
    Total AfriNIC prefixes after maximum aggregation:              6233
    AfriNIC Deaggregation factor:                                  5.10
Prefixes being announced from the AfriNIC address blocks:         42840
    Unique aggregates announced from the AfriNIC address blocks:  13592
AfriNIC Region origin ASes present in the Internet Routing Table:  1852
    AfriNIC Prefixes per ASN:                                     23.13
AfriNIC Region origin ASes announcing only one prefix:              660
AfriNIC Region transit ASes present in the Internet Routing Table:  361
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet:            105737728
    Equivalent to 6 /8s, 77 /16s and 110 /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        9875       8746      77  CHINAMOBILE-CN China Mobile Communicati
  7545        5645        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4932       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4207        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3943       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3783        511     265  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3621       1036      71  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3265       1841     105  VNPT-AS-VN VNPT Corp, VN
 24560        2824        862     401  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2285      11522     578  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       10104      11533    3638  AMAZON-02, US
 11492        4641        308     547  CABLEONE, US
  7155        4166        287      88  VIASAT-SP-BACKBONE, US
   174        3705       8790     898  COGENT-174, US
  6327        3594       1320      79  SHAW, CA
 22773        3445       3037     212  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3249      54901    2501  DNIC-AS-00749, US
 16625        3159       1339    2229  AKAMAI-AS, US
  7018        2898      23669    1825  ATT-INTERNET4, US
396982        2767       3611     414  GOOGLE-CLOUD-PLATFORM, 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        7714       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3834       3396     134  AKAMAI-ASN1, NL
  9009        3595        306    1819  M247, RO
 12389        2980       2304     897  ROSTELECOM-AS, RU
 34984        2347        361     579  TELLCOM-AS, TR
  8551        1778        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238        1710        123    1242  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1567       1852      14  TE-AS TE-AS, EG

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       11857       3310     502  UNINET, MX
 10620        3518        492     938  Telmex Colombia S.A., CO
 13999        2553        357     677  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1343       2311     258  Claro NXT Telecomunicacoes Ltda, BR
  3816        1315        775     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1128        314     478  Axtel, S.A.B. de C.V., MX
  6147        1093        369      22  Telefonica del Peru S.A.A., PE
 26615        1081       2503      53  TIM SA, BR
 22884        1056         97     363  TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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
 24863        1622        389      16  LINKdotNET-AS, EG
 24835        1570        593      29  RAYA-AS, EG
 36992        1380       1520     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1235         78      74  ORANGE-COTE-IVOIRE, CI
 36935         940        521      43  Vodafone-, EG
  6713         555       1861      35  IAM-AS, MA
 36914         531         82       3  KENET-AS, KE
 15399         518         56      56  WANANCHI-, KE
 37342         478         32       1  MOVITEL, MZ

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       11857       3310     502  UNINET, MX
 16509       10104      11533    3638  AMAZON-02, US
  9808        9875       8746      77  CHINAMOBILE-CN China Mobile Communicati
 12479        7714       1708     145  UNI2-AS, ES
  7545        5645        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4932       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4641        308     547  CABLEONE, US
 18403        4207        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4166        287      88  VIASAT-SP-BACKBONE, 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        9875         9798  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7714         7569  UNI2-AS, ES
 16509       10104         6466  AMAZON-02, US
  7545        5645         4973  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4932         4858  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4207         4184  FPT-AS-AP FPT Telecom Company, VN
 11492        4641         4094  CABLEONE, US
  7155        4166         4078  VIASAT-SP-BACKBONE, US
  7552        3943         3922  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-DDOS-M
     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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, 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

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
23.140.216.0/24      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
23.170.224.0/24      Origin:     30168  RESERVED, ZZ
23.170.224.0/24     Transit:    397095  SETSONLLC, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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       /9:14      /10:37      /11:93      /12:296     
/13:573     /14:1171    /15:2064    /16:13268   /17:8269    /18:13767   
/19:24728   /20:44343   /21:51904   /22:111747  /23:99963   /24:581472  
/25:694     /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        6802        7714  UNI2-AS, ES
  8151        5939       11857  UNINET, MX
 11492        3548        4641  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3111        4166  VIASAT-SP-BACKBONE, US
 22773        2558        3445  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2148        2488  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2147        3518  Telmex Colombia S.A., CO
 16509        2123       10104  AMAZON-02, US

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

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

   1:2324      2:1539      3:364       4:6         5:4358      6:164    
   7:6         8:1518      9:1        11:172      12:1446     13:360    
  14:2400     15:318      16:219      17:369      18:770      20:387    
  21:4        22:188      23:6893     24:2716     25:2        27:2560   
  29:19       31:2583     32:48       34:63       35:135      36:2337   
  37:4478     38:7964     39:899      40:143      41:4079     42:2001   
  43:2370     44:323      45:17278    46:4498     47:303      49:1976   
  50:1882     51:582      52:1583     54:313      55:910      56:8      
  57:213      58:2166     59:1253     60:1039     61:2597     62:2749   
  63:1875     64:5481     65:2309     66:4617     67:2993     68:1299   
  69:4075     70:1174     71:577      72:2877     74:2593     75:1550   
  76:624      77:2500     78:1862     79:1782     80:2188     81:2020   
  82:1643     83:1355     84:1686     85:3179     86:911      87:2302   
  88:1228     89:4163     90:684      91:8150     92:2337     93:2702   
  94:3730     95:4196     96:1286     97:317      98:1022     99:738    
 100:73      101:1175    102:3522    103:32352   104:4822    105:701    
 106:1002    107:2503    108:1153    109:4048    110:2129    111:3268   
 112:2047    113:1826    114:1824    115:2087    116:1899    117:2657   
 118:2799    119:1967    120:1805    121:1364    122:2697    123:2242   
 124:1627    125:2874    126:32      128:1434    129:933     130:1176   
 131:1861    132:818     133:413     134:1735    135:323     136:1123   
 137:1081    138:2873    139:1514    140:1408    141:1375    142:1667   
 143:1554    144:999     145:372     146:2095    147:1984    148:2536   
 149:2753    150:1033    151:1367    152:2228    153:520     154:6989   
 155:1490    156:2292    157:1872    158:1164    159:2314    160:2759   
 161:1693    162:3539    163:1698    164:1663    165:2145    166:1278   
 167:1813    168:4059    169:797     170:4951    171:1046    172:3870   
 173:3049    174:893     175:1230    176:3462    177:4811    178:3680   
 179:2240    180:2410    181:3782    182:3346    183:1988    184:2257   
 185:20883   186:5028    187:4415    188:4062    189:4203    190:9455   
 191:1490    192:11044   193:9159    194:7509    195:5314    196:3186   
 197:2713    198:6040    199:7952    200:8132    201:6314    202:10454  
 203:10207   204:4577    205:3689    206:4479    207:3607    208:4155   
 209:5049    210:4647    211:2623    212:4356    213:3566    214:1057   
 215:49      216:6750    217:3048    218:1361    219:585     220:2024   
 221:1038    222:853     223:2248   

End of report


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