[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon Aug 14 22:41:27 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 14 Aug, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

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

BGP routing table entries examined:                              977958
    Prefixes after maximum aggregation (per Origin AS):          358216
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      452700
Total ASes present in the Internet Routing Table:                 74987
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           64246
Origin ASes announcing only one prefix:                           25864
Transit ASes present in the Internet Routing Table:               10741
Transit-only ASes present in the Internet Routing Table:            465
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     131
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1266
    Number of instances of unregistered ASNs:                      1268
Number of 32-bit ASNs allocated by the RIRs:                      42430
Number of 32-bit ASNs visible in the Routing Table:               35093
Prefixes from 32-bit ASNs in the Routing Table:                  182081
Number of bogon 32-bit ASNs visible in the Routing Table:           195
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            643
Number of addresses announced to Internet:                   3054938794
    Equivalent to 182 /8s, 22 /16s and 170 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      336057

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

Prefixes being announced by APNIC Region ASes:                   255396
    Total APNIC prefixes after maximum aggregation:               71017
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248989
    Unique aggregates announced from the APNIC address blocks:    98705
APNIC Region origin ASes present in the Internet Routing Table:   13664
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               3990
APNIC Region transit ASes present in the Internet Routing Table:   1838
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8960
Number of APNIC addresses announced to Internet:              774390880
    Equivalent to 46 /8s, 40 /16s and 68 /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:                    280840
    Total ARIN prefixes after maximum aggregation:               125352
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           282428
    Unique aggregates announced from the ARIN address blocks:    130943
ARIN Region origin ASes present in the Internet Routing Table:    19139
    ARIN Prefixes per ASN:                                        14.76
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1967
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4835
Number of ARIN addresses announced to Internet:              1276727360
    Equivalent to 76 /8s, 25 /16s and 80 /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, 393216-401308
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:                    279258
    Total RIPE prefixes after maximum aggregation:               126337
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275162
    Unique aggregates announced from the RIPE address blocks:    160044
RIPE Region origin ASes present in the Internet Routing Table:    28492
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12010
RIPE Region transit ASes present in the Internet Routing Table:    4008
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11346
Number of RIPE addresses announced to Internet:               717005278
    Equivalent to 42 /8s, 188 /16s and 161 /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:                  127129
    Total LACNIC prefixes after maximum aggregation:              28730
    LACNIC Deaggregation factor:                                   4.42
Prefixes being announced from the LACNIC address blocks:         126540
    Unique aggregates announced from the LACNIC address blocks:   49783
LACNIC Region origin ASes present in the Internet Routing Table:  11020
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2322
LACNIC Region transit ASes present in the Internet Routing Table:  2361
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8825
Number of LACNIC addresses announced to Internet:             178620704
    Equivalent to 10 /8s, 165 /16s and 137 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  34069
    Total AfriNIC prefixes after maximum aggregation:              5987
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         44195
    Unique aggregates announced from the AfriNIC address blocks:  12678
AfriNIC Region origin ASes present in the Internet Routing Table:  1787
    AfriNIC Prefixes per ASN:                                     24.73
AfriNIC Region origin ASes announcing only one prefix:              586
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                      131
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1127
Number of AfriNIC addresses announced to Internet:            107773440
    Equivalent to 6 /8s, 108 /16s and 126 /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        9538       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5709        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4332        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3726       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3595       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3080        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2485        844     406  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        8847      10967    3193  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3670       3061     300  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3604       6657     608  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3156       1530    2345  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2982       3829    1414  DNIC-ASBLK-00306-00371, US
396982        2685       3596     387  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8285       1142    3285  TTNET, TR
 12479        7348       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4157       3399     187  AKAMAI-ASN1, NL
  8551        3462        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2987       2294     921  ROSTELECOM-AS, RU
  9009        2679        248    1396  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2371        365     592  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11648       3358     610  UNINET, MX
 10620        3534        507     832  Telmex Colombia S.A., CO
 13999        2430        362     637  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        774     171  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1122         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1113        181     434  Techtel LMDS Comunicaciones Interactiva

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1900        319      50  Telkom-Internet, ZA
 24863        1588        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1358       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         535         54      49  WANANCHI-, KE
 36914         522         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11648       3358     610  UNINET, MX
  9808        9538       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8847      10967    3193  AMAZON-02, US
 47331        8285       1142    3285  TTNET, TR
 12479        7348       1713     145  UNI2-AS, ES
  7545        5709        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4332        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9538         9495  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7348         7203  UNI2-AS, ES
 16509        8847         5654  AMAZON-02, US
  7545        5709         5021  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         5000  TTNET, TR
  4538        5032         4956  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4332         4307  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

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

Unassigned Network     ASN Information  AS Name
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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

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

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:39      /11:102     /12:296     
/13:575     /14:1211    /15:2154    /16:13702   /17:8560    /18:14789   
/19:25789   /20:45862   /21:54532   /22:114198  /23:106950  /24:586178  
/25:495     /26:615     /27:1037    /28:76      /29:101     /30:28      
/31:24      /32:614     

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

   ASN  No of nets  Total ann.  Description
 47331        7414        8285  TTNET, TR
 12479        6433        7348  UNI2-AS, ES
  8151        5655       11648  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4523  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3143        4198  VIASAT-SP-BACKBONE, US
  8551        2929        3462  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2710        3670  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2497  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

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

   1:2274      2:1495      3:230       4:8         5:4757      6:134    
   7:6         8:1626      9:1        11:172      12:1517     13:380    
  14:2397     15:302      16:198      17:379      18:594      20:299    
  21:4        22:188      23:6486     24:3040     25:6        27:2625   
  29:19       31:2674     32:97       34:26       35:119      36:1996   
  37:4734     38:6202     39:857      40:148      41:4827     42:2099   
  43:2411     44:323      45:17383    46:4533     47:393      49:1799   
  50:1883     51:585      52:1631     54:391      55:973      56:8      
  57:130      58:1972     59:1193     60:1003     61:2699     62:2829   
  63:1956     64:5773     65:2361     66:5129     67:3079     68:1344   
  69:4139     70:1411     71:697      72:3069     74:2679     75:1612   
  76:621      77:2586     78:3895     79:3019     80:2176     81:2051   
  82:1576     83:1349     84:1559     85:3810     86:869      87:2260   
  88:2839     89:3950     90:621      91:8001     92:2164     93:2637   
  94:3708     95:5085     96:1341     97:324      98:1128     99:735    
 100:123     101:1362    102:3334    103:32623   104:4602    105:2004   
 106:959     107:2581    108:1130    109:4352    110:2180    111:3185   
 112:2139    113:1810    114:1665    115:2132    116:1955    117:2582   
 118:2748    119:2080    120:1837    121:1193    122:2741    123:2238   
 124:1653    125:2537    128:1505    129:1123    130:1083    131:2064   
 132:955     133:422     134:1798    135:354     136:909     137:988    
 138:2808    139:1619    140:1266    141:1342    142:1501    143:1565   
 144:1009    145:343     146:1995    147:1628    148:2477    149:2190   
 150:912     151:1221    152:2007    153:584     154:5033    155:1398   
 156:1967    157:1354    158:1091    159:2241    160:2700    161:1593   
 162:3554    163:1653    164:1768    165:1915    166:1007    167:1752   
 168:4037    169:951     170:4859    171:923     172:3657    173:3007   
 174:1002    175:1230    176:3945    177:5523    178:3586    179:2428   
 180:2590    181:3551    182:3441    183:2032    184:2334    185:20889  
 186:5049    187:4526    188:4340    189:4011    190:9397    191:1859   
 192:11017   193:9021    194:7534    195:5455    196:3683    197:3064   
 198:6075    199:6113    200:8195    201:6196    202:11039   203:10613  
 204:4611    205:3698    206:4394    207:3528    208:4210    209:5003   
 210:4721    211:2614    212:4383    213:3729    214:1098    215:60     
 216:6864    217:3029    218:1328    219:618     220:2044    221:981    
 222:853     223:2193   

End of report


More information about the ren-bgp-stats-all mailing list