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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Aug 26 22:43:38 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 26 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:                              985359
    Prefixes after maximum aggregation (per Origin AS):          359513
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453646
Total ASes present in the Internet Routing Table:                 75160
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           64661
Origin ASes announcing only one prefix:                           25851
Transit ASes present in the Internet Routing Table:               10499
Transit-only ASes present in the Internet Routing Table:            458
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1274
    Number of instances of unregistered ASNs:                      1276
Number of 32-bit ASNs allocated by the RIRs:                      42510
Number of 32-bit ASNs visible in the Routing Table:               35211
Prefixes from 32-bit ASNs in the Routing Table:                  184253
Number of bogon 32-bit ASNs visible in the Routing Table:           201
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            691
Number of addresses announced to Internet:                   3062237098
    Equivalent to 182 /8s, 134 /16s and 7 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      338607

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

Prefixes being announced by APNIC Region ASes:                   257359
    Total APNIC prefixes after maximum aggregation:               71624
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          250868
    Unique aggregates announced from the APNIC address blocks:    98812
APNIC Region origin ASes present in the Internet Routing Table:   13716
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4004
APNIC Region transit ASes present in the Internet Routing Table:   1842
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9001
Number of APNIC addresses announced to Internet:              774922336
    Equivalent to 46 /8s, 48 /16s and 96 /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:                    282788
    Total ARIN prefixes after maximum aggregation:               125466
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284351
    Unique aggregates announced from the ARIN address blocks:    131556
ARIN Region origin ASes present in the Internet Routing Table:    19170
    ARIN Prefixes per ASN:                                        14.83
ARIN Region origin ASes announcing only one prefix:                6960
ARIN Region transit ASes present in the Internet Routing Table:    1910
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4844
Number of ARIN addresses announced to Internet:              1281568832
    Equivalent to 76 /8s, 99 /16s and 48 /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:                    281021
    Total RIPE prefixes after maximum aggregation:               126825
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           276817
    Unique aggregates announced from the RIPE address blocks:    160537
RIPE Region origin ASes present in the Internet Routing Table:    28554
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12015
RIPE Region transit ASes present in the Internet Routing Table:    3888
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11377
Number of RIPE addresses announced to Internet:               717560286
    Equivalent to 42 /8s, 197 /16s and 25 /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:                  128705
    Total LACNIC prefixes after maximum aggregation:              28830
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         128050
    Unique aggregates announced from the LACNIC address blocks:   49548
LACNIC Region origin ASes present in the Internet Routing Table:  11044
    LACNIC Prefixes per ASN:                                      11.59
LACNIC Region origin ASes announcing only one prefix:              2289
LACNIC Region transit ASes present in the Internet Routing Table:  2356
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8852
Number of LACNIC addresses announced to Internet:             178776608
    Equivalent to 10 /8s, 167 /16s and 234 /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:                  34212
    Total AfriNIC prefixes after maximum aggregation:              5976
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         44581
    Unique aggregates announced from the AfriNIC address blocks:  12598
AfriNIC Region origin ASes present in the Internet Routing Table:  1794
    AfriNIC Prefixes per ASN:                                     24.85
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  334
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1137
Number of AfriNIC addresses announced to Internet:            108867072
    Equivalent to 6 /8s, 125 /16s and 46 /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        9668       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5721        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4353        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3733       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3111        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2499        847     403  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        9026      10984    3199  AMAZON-02, US
 11492        4530        300     625  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
 22773        3700       3080     328  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3623       6650     617  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3175       1535    2353  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2995       3831    1415  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  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        8354       1150    3202  TTNET, TR
 12479        7358       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4175       3399     187  AKAMAI-ASN1, NL
  8551        3472        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2998       2297     923  ROSTELECOM-AS, RU
  9009        2707        250    1401  M247, RO
  5384        2489        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2463       1852      16  TE-AS TE-AS, EG
 34984        2380        366     587  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       11790       3362     606  UNINET, MX
 10620        3543        507     834  Telmex Colombia S.A., CO
 13999        2451        366     644  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1317       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  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        1116        181     435  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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1359       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
 36914         524         82       3  KENET-AS, KE
 15399         522         55      51  WANANCHI-, 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       11790       3362     606  UNINET, MX
  9808        9668       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9026      10984    3199  AMAZON-02, US
 47331        8354       1150    3202  TTNET, TR
 12479        7358       1713     145  UNI2-AS, ES
  7545        5721        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4530        300     625  CABLEONE, US
 18403        4353        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        9668         9568  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7358         7213  UNI2-AS, ES
 16509        9026         5827  AMAZON-02, US
 47331        8354         5152  TTNET, TR
  7545        5721         5033  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4996         4920  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4353         4328  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 45899        4049         3996  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
     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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
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     /12:300     
/13:579     /14:1212    /15:2156    /16:13729   /17:8593    /18:14819   
/19:25891   /20:46195   /21:55035   /22:114949  /23:108077  /24:590642  
/25:491     /26:617     /27:1039    /28:76      /29:101     /30:26      
/31:22      /32:638     

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

   ASN  No of nets  Total ann.  Description
 47331        7482        8354  TTNET, TR
 12479        6443        7358  UNI2-AS, ES
  8151        5781       11790  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3439        4530  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2939        3472  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2730        3700  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2166        2510  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2287      2:1532      3:236       4:8         5:4823      6:138    
   7:6         8:1636      9:1        11:172      12:1519     13:380    
  14:2407     15:302      16:198      17:380      18:627      20:303    
  21:4        22:188      23:6498     24:3051     25:6        27:2648   
  29:19       31:2693     32:97       34:26       35:120      36:2008   
  37:4756     38:6302     39:875      40:148      41:4841     42:2114   
  43:2466     44:331      45:17677    46:4516     47:408      49:1820   
  50:1911     51:595      52:1634     54:397      55:980      56:8      
  57:131      58:1974     59:1203     60:1003     61:2699     62:2857   
  63:1970     64:5797     65:2403     66:5155     67:3099     68:1362   
  69:4190     70:1413     71:700      72:3082     74:2691     75:1617   
  76:624      77:2599     78:3941     79:3031     80:2189     81:2083   
  82:1585     83:1357     84:1563     85:3833     86:873      87:2287   
  88:2854     89:3960     90:621      91:8020     92:2170     93:2655   
  94:3740     95:5095     96:1343     97:324      98:1133     99:736    
 100:123     101:1362    102:3373    103:32888   104:4639    105:2009   
 106:961     107:2616    108:1148    109:4369    110:2184    111:3187   
 112:2151    113:1815    114:1673    115:2159    116:1966    117:2595   
 118:2766    119:2090    120:1872    121:1201    122:2753    123:2265   
 124:1652    125:2572    128:1557    129:1143    130:1088    131:2089   
 132:960     133:420     134:1800    135:354     136:925     137:994    
 138:2846    139:1687    140:1271    141:1337    142:1515    143:1584   
 144:1016    145:348     146:2007    147:1634    148:2496    149:2220   
 150:914     151:1253    152:1998    153:590     154:5133    155:1411   
 156:2001    157:1360    158:1096    159:2251    160:2721    161:1626   
 162:3585    163:1664    164:1772    165:1923    166:1054    167:1759   
 168:4095    169:962     170:4902    171:925     172:3707    173:3021   
 174:1005    175:1264    176:3960    177:5605    178:3598    179:2462   
 180:2621    181:3592    182:3455    183:2047    184:2334    185:20991  
 186:5115    187:4578    188:4361    189:4102    190:9497    191:1866   
 192:11068   193:9056    194:7578    195:5487    196:3705    197:3098   
 198:6095    199:6136    200:8235    201:6263    202:11063   203:10646  
 204:4630    205:3742    206:4418    207:3550    208:4248    209:5017   
 210:4724    211:2660    212:4399    213:3757    214:1096    215:60     
 216:6923    217:3042    218:1328    219:622     220:2046    221:983    
 222:859     223:2198   

End of report


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