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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Aug 10 22:41:34 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 10 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:                              976519
    Prefixes after maximum aggregation (per Origin AS):          358054
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      451303
Total ASes present in the Internet Routing Table:                 74904
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           64226
Origin ASes announcing only one prefix:                           25855
Transit ASes present in the Internet Routing Table:               10678
Transit-only ASes present in the Internet Routing Table:            460
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1300
    Number of instances of unregistered ASNs:                      1303
Number of 32-bit ASNs allocated by the RIRs:                      42397
Number of 32-bit ASNs visible in the Routing Table:               35039
Prefixes from 32-bit ASNs in the Routing Table:                  181634
Number of bogon 32-bit ASNs visible in the Routing Table:           201
Special use prefixes present in the Routing Table:                   42
Prefixes being announced from unallocated address space:            688
Number of addresses announced to Internet:                   3056680106
    Equivalent to 182 /8s, 49 /16s and 60 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      335424

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

Prefixes being announced by APNIC Region ASes:                   255069
    Total APNIC prefixes after maximum aggregation:               70911
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248706
    Unique aggregates announced from the APNIC address blocks:    97506
APNIC Region origin ASes present in the Internet Routing Table:   13636
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               3980
APNIC Region transit ASes present in the Internet Routing Table:   1834
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8936
Number of APNIC addresses announced to Internet:              776327008
    Equivalent to 46 /8s, 69 /16s and 207 /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:                    280400
    Total ARIN prefixes after maximum aggregation:               125238
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           281986
    Unique aggregates announced from the ARIN address blocks:    130778
ARIN Region origin ASes present in the Internet Routing Table:    19116
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1947
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4829
Number of ARIN addresses announced to Internet:              1276640320
    Equivalent to 76 /8s, 23 /16s and 252 /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:                    279006
    Total RIPE prefixes after maximum aggregation:               126370
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274822
    Unique aggregates announced from the RIPE address blocks:    159973
RIPE Region origin ASes present in the Internet Routing Table:    28480
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12013
RIPE Region transit ASes present in the Internet Routing Table:    3997
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11340
Number of RIPE addresses announced to Internet:               717035998
    Equivalent to 42 /8s, 189 /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
                       196608-213403
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:                  126986
    Total LACNIC prefixes after maximum aggregation:              28743
    LACNIC Deaggregation factor:                                   4.42
Prefixes being announced from the LACNIC address blocks:         126423
    Unique aggregates announced from the LACNIC address blocks:   49805
LACNIC Region origin ASes present in the Internet Routing Table:  11004
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2338
LACNIC Region transit ASes present in the Internet Routing Table:  2359
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8811
Number of LACNIC addresses announced to Internet:             178534432
    Equivalent to 10 /8s, 164 /16s and 56 /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:                  33758
    Total AfriNIC prefixes after maximum aggregation:              5975
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         43893
    Unique aggregates announced from the AfriNIC address blocks:  12656
AfriNIC Region origin ASes present in the Internet Routing Table:  1783
    AfriNIC Prefixes per ASN:                                     24.62
AfriNIC Region origin ASes announcing only one prefix:              582
AfriNIC Region transit ASes present in the Internet Routing Table:  333
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1123
Number of AfriNIC addresses announced to Internet:            107699712
    Equivalent to 6 /8s, 107 /16s and 94 /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        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5699        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4243        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3724       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3596       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3070        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2484        844     406  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2312      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        8794      10961    3201  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3663       3059     294  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3611       6658     621  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3175       1542    2360  AKAMAI-AS, US
   749        3149      54961    2401  DNIC-AS-00749, US
   367        2979       3826    1414  DNIC-ASBLK-00306-00371, US
396982        2685       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        8285       1142    3287  TTNET, TR
 12479        7345       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4150       3399     187  AKAMAI-ASN1, NL
  8551        3457        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2983       2294     919  ROSTELECOM-AS, RU
  9009        2681        248    1397  M247, RO
  5384        2494        585      30  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       11636       3360     611  UNINET, MX
 10620        3534        507     832  Telmex Colombia S.A., CO
 13999        2428        362     636  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        1306        774     176  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
 11664        1113        181     434  Techtel LMDS Comunicaciones Interactiva
 28202        1103         52       9  Rede Brasileira de Comunicacao SA, BR

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        1356       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         551       1861      34  IAM-AS, MA
 15399         522         54      44  WANANCHI-, KE
 36914         521         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       11636       3360     611  UNINET, MX
  9808        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8794      10961    3201  AMAZON-02, US
 47331        8285       1142    3287  TTNET, TR
 12479        7345       1713     145  UNI2-AS, ES
  7545        5699        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4243        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        9536         9493  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7345         7200  UNI2-AS, ES
 16509        8794         5593  AMAZON-02, US
  7545        5699         5011  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         4998  TTNET, TR
  4538        5029         4953  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4243         4218  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  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
     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
    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
100.65.11.0/24            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
100.66.10.0/24            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        /8:17       /9:14      /10:39      /11:102     /12:296     
/13:575     /14:1211    /15:2154    /16:13686   /17:8554    /18:14779   
/19:25776   /20:45876   /21:54469   /22:114174  /23:106714  /24:585041  
/25:493     /26:612     /27:1038    /28:76      /29:101     /30:28      
/31:24      /32:669     

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

   ASN  No of nets  Total ann.  Description
 47331        7416        8285  TTNET, TR
 12479        6430        7345  UNI2-AS, ES
  8151        5643       11636  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        2925        3457  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2707        3663  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)
----------------------------------------------

   1:2264      2:1486      3:229       4:8         5:4757      6:134    
   7:6         8:1625      9:1        11:172      12:1520     13:373    
  14:2391     15:302      16:198      17:381      18:592      20:299    
  21:4        22:188      23:6459     24:3038     25:6        27:2629   
  29:19       31:2673     32:97       34:26       35:116      36:2001   
  37:4758     38:6200     39:846      40:148      41:4804     42:2057   
  43:2441     44:325      45:17297    46:4472     47:393      49:1802   
  50:1884     51:585      52:1627     54:391      55:972      56:8      
  57:129      58:1971     59:1195     60:1000     61:2711     62:2829   
  63:1952     64:5767     65:2354     66:5110     67:3074     68:1344   
  69:4140     70:1412     71:697      72:3067     74:2671     75:1612   
  76:621      77:2580     78:3893     79:3010     80:2176     81:2045   
  82:1569     83:1349     84:1562     85:3810     86:870      87:2264   
  88:2840     89:3958     90:621      91:7995     92:2150     93:2635   
  94:3708     95:5087     96:1342     97:325      98:1130     99:735    
 100:122     101:1361    102:3274    103:32553   104:4586    105:2004   
 106:960     107:2570    108:1124    109:4342    110:2178    111:3178   
 112:2130    113:1803    114:1670    115:2132    116:1951    117:2586   
 118:2722    119:2073    120:1836    121:1193    122:2738    123:2232   
 124:1652    125:2525    128:1510    129:1122    130:1071    131:2058   
 132:952     133:422     134:1797    135:352     136:906     137:985    
 138:2810    139:1610    140:1254    141:1339    142:1498    143:1565   
 144:1008    145:343     146:1998    147:1626    148:2474    149:2173   
 150:912     151:1215    152:2007    153:582     154:4995    155:1396   
 156:1939    157:1354    158:1090    159:2240    160:2681    161:1603   
 162:3562    163:1647    164:1768    165:1923    166:1004    167:1746   
 168:4035    169:953     170:4834    171:922     172:3658    173:3001   
 174:1002    175:1231    176:3900    177:5478    178:3578    179:2413   
 180:2590    181:3542    182:3444    183:2021    184:2329    185:20868  
 186:5027    187:4536    188:4341    189:4007    190:9408    191:1861   
 192:11010   193:9001    194:7519    195:5447    196:3662    197:3043   
 198:6068    199:6105    200:8202    201:6221    202:11005   203:10635  
 204:4605    205:3675    206:4391    207:3508    208:4203    209:4998   
 210:4720    211:2611    212:4376    213:3723    214:1093    215:60     
 216:6858    217:2968    218:1328    219:617     220:2042    221:975    
 222:853     223:2194   

End of report


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