[afnog] Weekly Global IPv4 Routing Table Report

Routing Table Analysis Role Account cscora at apnic.net
Fri Aug 9 18:02:30 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 10 Aug, 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:                              956786
    Prefixes after maximum aggregation (per Origin AS):          364736
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      465729
Total ASes present in the Internet Routing Table:                 76071
    Prefixes per ASN:                                             12.58
Origin-only ASes present in the Internet Routing Table:           65153
Origin ASes announcing only one prefix:                           26760
Transit ASes present in the Internet Routing Table:               10918
Transit-only ASes present in the Internet Routing Table:            529
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     120
    Max AS path prepend of ASN (150315)                             115
Prefixes from unregistered ASNs in the Routing Table:               988
    Number of instances of unregistered ASNs:                       998
Number of 32-bit ASNs allocated by the RIRs:                      45141
Number of 32-bit ASNs visible in the Routing Table:               36874
Prefixes from 32-bit ASNs in the Routing Table:                  190757
Number of bogon 32-bit ASNs visible in the Routing Table:            53
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            552
Number of addresses announced to Internet:                   3027458432
    Equivalent to 180 /8s, 115 /16s and 89 /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:      312692

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

Prefixes being announced by APNIC Region ASes:                   256521
    Total APNIC prefixes after maximum aggregation:               75053
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          248479
    Unique aggregates announced from the APNIC address blocks:   102350
APNIC Region origin ASes present in the Internet Routing Table:   14307
    APNIC Prefixes per ASN:                                       17.37
APNIC Region origin ASes announcing only one prefix:               4358
APNIC Region transit ASes present in the Internet Routing Table:   1908
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                        120
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9715
Number of APNIC addresses announced to Internet:              761957760
    Equivalent to 45 /8s, 106 /16s and 141 /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:                    279014
    Total ARIN prefixes after maximum aggregation:               125831
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:           283326
    Unique aggregates announced from the ARIN address blocks:    135002
ARIN Region origin ASes present in the Internet Routing Table:    19132
    ARIN Prefixes per ASN:                                        14.81
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1985
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:    4958
Number of ARIN addresses announced to Internet:              1266590464
    Equivalent to 75 /8s, 126 /16s and 163 /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:                    266451
    Total RIPE prefixes after maximum aggregation:               128218
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           262059
    Unique aggregates announced from the RIPE address blocks:    165841
RIPE Region origin ASes present in the Internet Routing Table:    28693
    RIPE Prefixes per ASN:                                         9.13
RIPE Region origin ASes announcing only one prefix:               12120
RIPE Region transit ASes present in the Internet Routing Table:    3996
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          42
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11925
Number of RIPE addresses announced to Internet:               716145152
    Equivalent to 42 /8s, 175 /16s and 130 /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:                  122114
    Total LACNIC prefixes after maximum aggregation:              28705
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120026
    Unique aggregates announced from the LACNIC address blocks:   48148
LACNIC Region origin ASes present in the Internet Routing Table:  11148
    LACNIC Prefixes per ASN:                                      10.77
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2459
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:  9046
Number of LACNIC addresses announced to Internet:             177918464
    Equivalent to 10 /8s, 154 /16s and 210 /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:                  31698
    Total AfriNIC prefixes after maximum aggregation:              6282
    AfriNIC Deaggregation factor:                                  5.05
Prefixes being announced from the AfriNIC address blocks:         42344
    Unique aggregates announced from the AfriNIC address blocks:  13926
AfriNIC Region origin ASes present in the Internet Routing Table:  1871
    AfriNIC Prefixes per ASN:                                     22.63
AfriNIC Region origin ASes announcing only one prefix:              671
AfriNIC Region transit ASes present in the Internet Routing Table:  365
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1230
Number of AfriNIC addresses announced to Internet:            104542720
    Equivalent to 6 /8s, 59 /16s and 50 /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        9894       8747      80  CHINAMOBILE-CN China Mobile Communication
  7545        5670        841     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4935       4192      74  ERX-CERNET-BKB China Education and Resear
 18403        4224        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3960       1331      22  VIETEL-AS-AP Viettel Group, VN
  9498        3787        507     259  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3649       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3243       1841     105  VNPT-AS-VN VNPT Corp, VN
 24560        2812        856     450  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2267      11520     576  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       10509      11593    3743  AMAZON-02, US
 11492        4626        307     548  CABLEONE, US
  7155        4167        287      89  VIASAT-SP-BACKBONE, US
   174        3891       8786     887  COGENT-174, US
  6327        3596       1320      79  SHAW, CA
 22773        3423       3035     188  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54897    2506  DNIC-AS-00749, US
 16625        3087       1291    2167  AKAMAI-AS, US
  7018        2938      23675    1845  ATT-INTERNET4, US
396982        2770       3585     416  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        4539        273      57  ALJAWWALSTC-AS, SA
 20940        3837       3396     133  AKAMAI-ASN1, NL
  9009        3610        307    1848  M247, RO
 12389        2937       2301     886  ROSTELECOM-AS, RU
 34984        2338        361     584  TELLCOM-AS, TR
  8551        1787        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 
212238        1742        124    1276  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1579       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       11846       3292     514  UNINET, MX
 10620        3532        493     935  Telmex Colombia S.A., CO
 13999        2549        619      39  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad y
 28573        1342       2310     258  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        777     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
  6503        1121        313     480  Axtel, S.A.B. de C.V., MX
 26615        1085       2503      53  TIM SA, BR
  6147        1068        369      22  Telefonica del Peru S.A.A., PE
 22884        1068         98     368  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
 24863        1615        389      16  LINKdotNET-AS, EG
 24835        1555        593      29  RAYA-AS, EG
 36992        1412       1519     283  ETISALAT-MISR, EG
 29571        1317         83      76  ORANGE-COTE-IVOIRE, CI
 36903        1249        554      96  MT-MPLS, MA
 36935         939        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         541         82       3  KENET-AS, KE
 15399         513         56      58  WANANCHI-, KE
 24757         434         73       5  EthioNet-AS, ET

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       11846       3292     514  UNINET, MX
 16509       10509      11593    3743  AMAZON-02, US
  9808        9894       8747      80  CHINAMOBILE-CN China Mobile Communication
 12479        7714       1708     145  UNI2-AS, ES
  7545        5670        841     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4935       4192      74  ERX-CERNET-BKB China Education and Resear
 11492        4626        307     548  CABLEONE, US
 39891        4539        273      57  ALJAWWALSTC-AS, SA
 18403        4224        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4167        287      89  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        9894         9814  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7714         7569  UNI2-AS, ES
 16509       10509         6766  AMAZON-02, US
  7545        5670         5006  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4935         4861  ERX-CERNET-BKB China Education and Research Net
 39891        4539         4482  ALJAWWALSTC-AS, SA
 18403        4224         4201  FPT-AS-AP FPT Telecom Company, VN
 11492        4626         4078  CABLEONE, US
  7155        4167         4078  VIASAT-SP-BACKBONE, US
  7552        3960         3938  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
23.130.112.0/24      Origin:     62390  NEXONHOST, RO
23.130.112.0/24     Transit:      6939  HURRICANE, US
23.130.240.0/24      Origin:     14315  1GSERVERS, US
23.130.240.0/24     Transit:      2914  NTT-LTD-2914, US
23.137.192.0/24      Origin:     31798  DATACITY, CA
23.137.192.0/24     Transit:     21949  BEANFIELD, CA
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, 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      /10:37      /11:92      /12:294     
/13:576     /14:1163    /15:2056    /16:13179   /17:8257    /18:13708   
/19:24698   /20:44340   /21:51966   /22:111756  /23:100212  /24:583705  
/25:715     /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        6800        7714  UNI2-AS, ES
  8151        5935       11846  UNINET, MX
 11492        3537        4626  CABLEONE, US
  6327        3392        3596  SHAW, CA
 39891        3361        4539  ALJAWWALSTC-AS, SA
  7155        3111        4167  VIASAT-SP-BACKBONE, US
 22773        2560        3423  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2162        2500  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2161        3532  Telmex Colombia S.A., CO
 16509        2142       10509  AMAZON-02, US

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

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

   1:2308      2:1548      3:406       4:6         5:4371      6:162    
   7:6         8:1523      9:1        11:172      12:1432     13:358    
  14:2393     15:324      16:258      17:365      18:862      20:405    
  21:4        22:188      23:6909     24:2702     25:2        27:2572   
  29:19       31:2651     32:47       34:66       35:137      36:2356   
  37:4520     38:8299     39:915      40:147      41:4083     42:2022   
  43:2441     44:332      45:17453    46:4575     47:300      49:1992   
  50:1845     51:579      52:1578     54:317      55:950      56:8      
  57:214      58:2238     59:1258     60:1059     61:2662     62:2773   
  63:1853     64:5443     65:2272     66:4637     67:3010     68:1345   
  69:4020     70:1153     71:555      72:2858     74:2641     75:1562   
  76:613      77:2505     78:1853     79:1793     80:2187     81:2025   
  82:1663     83:1365     84:1707     85:3157     86:958      87:2300   
  88:1250     89:4206     90:699      91:8204     92:2382     93:2706   
  94:3751     95:4216     96:1278     97:317      98:1045     99:738    
 100:73      101:1168    102:3326    103:32311   104:4755    105:694    
 106:1014    107:2481    108:1167    109:4077    110:2141    111:3280   
 112:2058    113:1819    114:1820    115:2096    116:1977    117:2652   
 118:2814    119:1981    120:1826    121:1361    122:2708    123:2286   
 124:1624    125:2864    126:64      128:1399    129:939     130:1195   
 131:1866    132:818     133:429     134:1660    135:312     136:1124   
 137:1101    138:2855    139:1526    140:1416    141:1455    142:1672   
 143:1626    144:1026    145:365     146:2107    147:2037    148:2566   
 149:2788    150:1052    151:1353    152:2239    153:521     154:6514   
 155:1436    156:2406    157:1887    158:1176    159:2434    160:2971   
 161:1697    162:3546    163:1743    164:1684    165:2148    166:1270   
 167:1839    168:4061    169:804     170:4934    171:1048    172:3900   
 173:3083    174:903     175:1239    176:3464    177:4648    178:3647   
 179:2197    180:2424    181:3831    182:3331    183:1982    184:2263   
 185:20971   186:4993    187:4328    188:4099    189:4139    190:9503   
 191:1529    192:11061   193:9242    194:7488    195:5313    196:3211   
 197:2656    198:6022    199:8033    200:8123    201:6285    202:10511  
 203:10385   204:4559    205:3714    206:4509    207:3649    208:4169   
 209:5073    210:4737    211:2636    212:4398    213:3640    214:1062   
 215:49      216:6726    217:2939    218:1401    219:602     220:2027   
 221:1035    222:864     223:2250   

End of report



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