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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 15 22:41:17 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 15 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:                              978781
    Prefixes after maximum aggregation (per Origin AS):          358324
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      452819
Total ASes present in the Internet Routing Table:                 75014
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64268
Origin ASes announcing only one prefix:                           25881
Transit ASes present in the Internet Routing Table:               10746
Transit-only ASes present in the Internet Routing Table:            466
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:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1273
    Number of instances of unregistered ASNs:                      1275
Number of 32-bit ASNs allocated by the RIRs:                      42426
Number of 32-bit ASNs visible in the Routing Table:               35112
Prefixes from 32-bit ASNs in the Routing Table:                  182366
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:            651
Number of addresses announced to Internet:                   3055034794
    Equivalent to 182 /8s, 24 /16s and 33 /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:      336348

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

Prefixes being announced by APNIC Region ASes:                   255527
    Total APNIC prefixes after maximum aggregation:               71057
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          249061
    Unique aggregates announced from the APNIC address blocks:    98758
APNIC Region origin ASes present in the Internet Routing Table:   13662
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               3992
APNIC Region transit ASes present in the Internet Routing Table:   1840
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8963
Number of APNIC addresses announced to Internet:              774412640
    Equivalent to 46 /8s, 40 /16s and 153 /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:                    281082
    Total ARIN prefixes after maximum aggregation:               125396
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           282725
    Unique aggregates announced from the ARIN address blocks:    130971
ARIN Region origin ASes present in the Internet Routing Table:    19142
    ARIN Prefixes per ASN:                                        14.77
ARIN Region origin ASes announcing only one prefix:                6960
ARIN Region transit ASes present in the Internet Routing Table:    1970
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:    4836
Number of ARIN addresses announced to Internet:              1276772672
    Equivalent to 76 /8s, 26 /16s and 1 /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:                    279522
    Total RIPE prefixes after maximum aggregation:               126347
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275418
    Unique aggregates announced from the RIPE address blocks:    160077
RIPE Region origin ASes present in the Internet Routing Table:    28503
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12011
RIPE Region transit ASes present in the Internet Routing Table:    4004
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:   11352
Number of RIPE addresses announced to Internet:               717027294
    Equivalent to 42 /8s, 188 /16s and 247 /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:                  127285
    Total LACNIC prefixes after maximum aggregation:              28731
    LACNIC Deaggregation factor:                                   4.43
Prefixes being announced from the LACNIC address blocks:         126675
    Unique aggregates announced from the LACNIC address blocks:   49777
LACNIC Region origin ASes present in the Internet Routing Table:  11026
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2329
LACNIC Region transit ASes present in the Internet Routing Table:  2369
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8830
Number of LACNIC addresses announced to Internet:             178631456
    Equivalent to 10 /8s, 165 /16s and 179 /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:                  34092
    Total AfriNIC prefixes after maximum aggregation:              5995
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         44250
    Unique aggregates announced from the AfriNIC address blocks:  12681
AfriNIC Region origin ASes present in the Internet Routing Table:  1791
    AfriNIC Prefixes per ASN:                                     24.71
AfriNIC Region origin ASes announcing only one prefix:              589
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:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1131
Number of AfriNIC addresses announced to Internet:            107767552
    Equivalent to 6 /8s, 108 /16s and 103 /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        9541       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5711        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4320        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        3088        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        8855      10970    3184  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        3606       6657     608  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3157       1530    2345  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2986       3829    1418  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    3284  TTNET, TR
 12479        7348       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4159       3399     187  AKAMAI-ASN1, NL
  8551        3464        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2987       2294     921  ROSTELECOM-AS, RU
  9009        2679        248    1395  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2370        365     591  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       11660       3358     610  UNINET, MX
 10620        3534        507     832  Telmex Colombia S.A., CO
 13999        2436        364     641  Mega Cable, S.A. de C.V., MX
 11830        1998        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        1303        344     511  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      48  WANANCHI-, KE
 36914         526         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       11660       3358     610  UNINET, MX
  9808        9541       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8855      10970    3184  AMAZON-02, US
 47331        8285       1142    3284  TTNET, TR
 12479        7348       1713     145  UNI2-AS, ES
  7545        5711        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        4320        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        9541         9498  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7348         7203  UNI2-AS, ES
 16509        8855         5671  AMAZON-02, US
  7545        5711         5023  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         5001  TTNET, TR
  4538        5032         4956  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4320         4295  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
     60539  UNALLOCATED  5.105.33.0/24            18041  TWDS-TRANSIT-AS-TW Taiwan Di
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     46990  UNALLOCATED  8.5.242.0/23               174  COGENT-174, 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

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
23.160.88.0/24       Origin:     36318  ZSNET, CA
23.160.88.0/24      Transit:     53356  FREE RANGE CLOUD, CA
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

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    /16:13703   /17:8562    /18:14785   
/19:25781   /20:45977   /21:54563   /22:114256  /23:107055  /24:586674  
/25:493     /26:615     /27:1035    /28:76      /29:101     /30:28      
/31:24      /32:645     

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        5667       11660  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        2931        3464  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2710        3670  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2161        2504  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2280      2:1514      3:230       4:8         5:4775      6:137    
   7:6         8:1627      9:1        11:172      12:1517     13:380    
  14:2397     15:302      16:198      17:379      18:597      20:300    
  21:4        22:188      23:6490     24:3040     25:6        27:2625   
  29:19       31:2676     32:97       34:26       35:119      36:1998   
  37:4735     38:6221     39:858      40:148      41:4838     42:2096   
  43:2413     44:323      45:17399    46:4536     47:393      49:1815   
  50:1885     51:585      52:1631     54:391      55:976      56:8      
  57:130      58:1969     59:1193     60:1003     61:2688     62:2835   
  63:1955     64:5780     65:2365     66:5135     67:3080     68:1345   
  69:4139     70:1411     71:698      72:3072     74:2681     75:1615   
  76:621      77:2588     78:3896     79:3020     80:2178     81:2052   
  82:1577     83:1350     84:1559     85:3813     86:869      87:2261   
  88:2839     89:3951     90:621      91:8005     92:2165     93:2637   
  94:3709     95:5085     96:1341     97:324      98:1128     99:735    
 100:123     101:1362    102:3332    103:32641   104:4609    105:2004   
 106:959     107:2581    108:1138    109:4353    110:2179    111:3185   
 112:2139    113:1808    114:1665    115:2131    116:1953    117:2591   
 118:2746    119:2084    120:1840    121:1193    122:2739    123:2238   
 124:1653    125:2547    128:1530    129:1122    130:1077    131:2066   
 132:960     133:423     134:1799    135:355     136:909     137:988    
 138:2808    139:1619    140:1266    141:1345    142:1501    143:1572   
 144:1010    145:343     146:1997    147:1627    148:2479    149:2191   
 150:915     151:1227    152:2008    153:584     154:5047    155:1399   
 156:1967    157:1355    158:1091    159:2241    160:2699    161:1592   
 162:3558    163:1654    164:1769    165:1915    166:1009    167:1754   
 168:4064    169:951     170:4861    171:922     172:3664    173:3010   
 174:1002    175:1230    176:3945    177:5533    178:3584    179:2433   
 180:2588    181:3547    182:3443    183:2032    184:2331    185:20900  
 186:5052    187:4528    188:4341    189:4013    190:9396    191:1861   
 192:11023   193:9023    194:7538    195:5459    196:3685    197:3065   
 198:6078    199:6152    200:8201    201:6223    202:11038   203:10603  
 204:4615    205:3715    206:4401    207:3529    208:4210    209:5005   
 210:4722    211:2615    212:4384    213:3729    214:1099    215:60     
 216:6883    217:3030    218:1327    219:618     220:2044    221:981    
 222:853     223:2194   

End of report


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