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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 28 22:41:38 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 28 Sep, 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:                              982949
    Prefixes after maximum aggregation (per Origin AS):          360232
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      452875
Total ASes present in the Internet Routing Table:                 75127
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64406
Origin ASes announcing only one prefix:                           25870
Transit ASes present in the Internet Routing Table:               10721
Transit-only ASes present in the Internet Routing Table:            483
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1258
    Number of instances of unregistered ASNs:                      1268
Number of 32-bit ASNs allocated by the RIRs:                      42705
Number of 32-bit ASNs visible in the Routing Table:               35270
Prefixes from 32-bit ASNs in the Routing Table:                  183476
Number of bogon 32-bit ASNs visible in the Routing Table:           253
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            622
Number of addresses announced to Internet:                   3056738154
    Equivalent to 182 /8s, 50 /16s and 31 /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:               99.5
Total number of prefixes smaller than registry allocations:      337512

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

Prefixes being announced by APNIC Region ASes:                   258152
    Total APNIC prefixes after maximum aggregation:               72526
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251629
    Unique aggregates announced from the APNIC address blocks:    98695
APNIC Region origin ASes present in the Internet Routing Table:   13767
    APNIC Prefixes per ASN:                                       18.28
APNIC Region origin ASes announcing only one prefix:               4045
APNIC Region transit ASes present in the Internet Routing Table:   1838
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9050
Number of APNIC addresses announced to Internet:              774084000
    Equivalent to 46 /8s, 35 /16s and 149 /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:                    281682
    Total ARIN prefixes after maximum aggregation:               125341
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284859
    Unique aggregates announced from the ARIN address blocks:    131822
ARIN Region origin ASes present in the Internet Routing Table:    19125
    ARIN Prefixes per ASN:                                        14.89
ARIN Region origin ASes announcing only one prefix:                6928
ARIN Region transit ASes present in the Internet Routing Table:    1972
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1279186240
    Equivalent to 76 /8s, 62 /16s and 213 /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:                    280570
    Total RIPE prefixes after maximum aggregation:               127008
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274806
    Unique aggregates announced from the RIPE address blocks:    159963
RIPE Region origin ASes present in the Internet Routing Table:    28484
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12000
RIPE Region transit ASes present in the Internet Routing Table:    3992
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11385
Number of RIPE addresses announced to Internet:               716712158
    Equivalent to 42 /8s, 184 /16s and 40 /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:                  127497
    Total LACNIC prefixes after maximum aggregation:              28564
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         126756
    Unique aggregates announced from the LACNIC address blocks:   49309
LACNIC Region origin ASes present in the Internet Routing Table:  11052
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2307
LACNIC Region transit ASes present in the Internet Routing Table:  2375
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8859
Number of LACNIC addresses announced to Internet:             178547616
    Equivalent to 10 /8s, 164 /16s and 107 /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:                  33790
    Total AfriNIC prefixes after maximum aggregation:              6013
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         44276
    Unique aggregates announced from the AfriNIC address blocks:  12557
AfriNIC Region origin ASes present in the Internet Routing Table:  1797
    AfriNIC Prefixes per ASN:                                     24.64
AfriNIC Region origin ASes announcing only one prefix:              590
AfriNIC Region transit ASes present in the Internet Routing Table:  337
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1139
Number of AfriNIC addresses announced to Internet:            107757568
    Equivalent to 6 /8s, 108 /16s and 64 /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        9616       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5736        801     693  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4026       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3744       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3174        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2518        848     383  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9092      10991    3240  AMAZON-02, US
 11492        4536        301     669  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3820       6659     626  COGENT-174, US
 22773        3657       3078     313  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3055       1429    2311  AKAMAI-AS, US
   367        3007       3838    1420  DNIC-ASBLK-00306-00371, US
396982        2699       3597     395  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        8576       1172    3000  TTNET, TR
 12479        7388       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4133       3399     185  AKAMAI-ASN1, NL
  8551        3449        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3015       2296     922  ROSTELECOM-AS, RU
  9009        2914        266    1491  M247, RO
  8452        2503       1852      16  TE-AS TE-AS, EG
  5384        2455        585      29  EMIRATES-INTERNET Emirates Internet, AE
 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       11892       3385     605  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2404        330     619  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  3816        1296        766     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 11664        1103        178     431  Techtel LMDS Comunicaciones Interactiva
 28202        1069         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        1885        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1046         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         524         82       3  KENET-AS, KE
 15399         519         54      49  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       11892       3385     605  UNINET, MX
  9808        9616       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9092      10991    3240  AMAZON-02, US
 47331        8576       1172    3000  TTNET, TR
 12479        7388       1713     145  UNI2-AS, ES
  7545        5736        801     693  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4536        301     669  CABLEONE, US
 18403        4257        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        9616         9517  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7388         7243  UNI2-AS, ES
 16509        9092         5852  AMAZON-02, US
 47331        8576         5576  TTNET, TR
  7545        5736         5043  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4257         4232  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 45899        4026         3975  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            46887  LIGHTOWER, 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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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      /11:101     /12:298     
/13:579     /14:1212    /15:2150    /16:13687   /17:8572    /18:14798   
/19:25811   /20:45870   /21:54610   /22:114591  /23:107183  /24:588491  
/25:1130    /26:1081    /27:1489    /28:155     /29:233     /30:86      
/31:89      /32:663     

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

   ASN  No of nets  Total ann.  Description
 47331        7696        8576  TTNET, TR
 12479        6475        7388  UNI2-AS, ES
  8151        5891       11892  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3447        4536  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2925        3449  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2694        3657  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)
----------------------------------------------

   1:2266      2:1563      3:265       4:8         5:4630      6:137    
   7:6         8:1614      9:1        11:172      12:1516     13:363    
  14:2416     15:303      16:201      17:375      18:660      20:310    
  21:4        22:188      23:6504     24:2926     25:2        27:2667   
  29:19       31:2687     32:94       34:27       35:119      36:2015   
  37:4625     38:6480     39:872      40:147      41:4788     42:2084   
  43:2403     44:327      45:17464    46:4478     47:379      49:1842   
  50:1910     51:590      52:1627     54:392      55:971      56:5      
  57:131      58:1947     59:1208     60:1011     61:2733     62:2817   
  63:1950     64:5857     65:2412     66:5137     67:3103     68:1360   
  69:4191     70:1401     71:685      72:3038     74:2666     75:1609   
  76:636      77:2438     78:4021     79:3022     80:2166     81:2074   
  82:1576     83:1370     84:1583     85:3908     86:873      87:2270   
  88:2904     89:3959     90:625      91:7968     92:2129     93:2650   
  94:3701     95:5128     96:1338     97:319      98:1123     99:731    
 100:123     101:1333    102:3243    103:32745   104:4757    105:2000   
 106:985     107:2712    108:1150    109:4326    110:2201    111:3184   
 112:2132    113:1812    114:1704    115:2183    116:1960    117:2571   
 118:2760    119:2071    120:1860    121:1239    122:2764    123:2286   
 124:1661    125:2579    128:1542    129:1014    130:1090    131:2086   
 132:974     133:408     134:1787    135:350     136:977     137:992    
 138:2823    139:1677    140:1303    141:1332    142:1541    143:1620   
 144:1015    145:347     146:1987    147:1624    148:2526    149:2340   
 150:919     151:1251    152:2000    153:590     154:5386    155:1390   
 156:2024    157:1372    158:1065    159:2259    160:2706    161:1619   
 162:3585    163:1668    164:1766    165:1917    166:1079    167:1759   
 168:3949    169:898     170:4909    171:945     172:3789    173:2988   
 174:996     175:1256    176:3940    177:5387    178:3570    179:2454   
 180:2618    181:3557    182:3404    183:2033    184:2291    185:20917  
 186:5026    187:4553    188:4355    189:4166    190:9456    191:1828   
 192:11050   193:9021    194:7529    195:5483    196:3627    197:3032   
 198:6084    199:6166    200:8202    201:6213    202:10966   203:10586  
 204:4623    205:3750    206:4463    207:3564    208:4205    209:4976   
 210:4735    211:2640    212:4393    213:3532    214:1114    215:70     
 216:6883    217:3036    218:1329    219:608     220:2041    221:986    
 222:857     223:2181   

End of report


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