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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 31 22:41:48 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 31 Oct, 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:                              983687
    Prefixes after maximum aggregation (per Origin AS):          361684
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454445
Total ASes present in the Internet Routing Table:                 75169
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64729
Origin ASes announcing only one prefix:                           25922
Transit ASes present in the Internet Routing Table:               10440
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:       4.1
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1271
    Number of instances of unregistered ASNs:                      1273
Number of 32-bit ASNs allocated by the RIRs:                      42955
Number of 32-bit ASNs visible in the Routing Table:               35377
Prefixes from 32-bit ASNs in the Routing Table:                  184647
Number of bogon 32-bit ASNs visible in the Routing Table:           185
Special use prefixes present in the Routing Table:                   36
Prefixes being announced from unallocated address space:            598
Number of addresses announced to Internet:                   3053177566
    Equivalent to 181 /8s, 251 /16s and 202 /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:      338516

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

Prefixes being announced by APNIC Region ASes:                   256907
    Total APNIC prefixes after maximum aggregation:               72524
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          250144
    Unique aggregates announced from the APNIC address blocks:    99070
APNIC Region origin ASes present in the Internet Routing Table:   13767
    APNIC Prefixes per ASN:                                       18.17
APNIC Region origin ASes announcing only one prefix:               4072
APNIC Region transit ASes present in the Internet Routing Table:   1844
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9075
Number of APNIC addresses announced to Internet:              773509536
    Equivalent to 46 /8s, 26 /16s and 209 /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:                    282337
    Total ARIN prefixes after maximum aggregation:               125948
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285908
    Unique aggregates announced from the ARIN address blocks:    132311
ARIN Region origin ASes present in the Internet Routing Table:    19131
    ARIN Prefixes per ASN:                                        14.94
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1856
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4835
Number of ARIN addresses announced to Internet:              1277527360
    Equivalent to 76 /8s, 37 /16s and 133 /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:                    280684
    Total RIPE prefixes after maximum aggregation:               127700
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274813
    Unique aggregates announced from the RIPE address blocks:    160605
RIPE Region origin ASes present in the Internet Routing Table:    28525
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12050
RIPE Region transit ASes present in the Internet Routing Table:    3872
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11437
Number of RIPE addresses announced to Internet:               715506910
    Equivalent to 42 /8s, 165 /16s and 196 /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:                  128211
    Total LACNIC prefixes after maximum aggregation:              28644
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         127483
    Unique aggregates announced from the LACNIC address blocks:   49309
LACNIC Region origin ASes present in the Internet Routing Table:  11053
    LACNIC Prefixes per ASN:                                      11.53
LACNIC Region origin ASes announcing only one prefix:              2263
LACNIC Region transit ASes present in the Internet Routing Table:  2358
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8878
Number of LACNIC addresses announced to Internet:             178463008
    Equivalent to 10 /8s, 163 /16s and 33 /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:                  34277
    Total AfriNIC prefixes after maximum aggregation:              6069
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         44740
    Unique aggregates announced from the AfriNIC address blocks:  12643
AfriNIC Region origin ASes present in the Internet Routing Table:  1812
    AfriNIC Prefixes per ASN:                                     24.69
AfriNIC Region origin ASes announcing only one prefix:              581
AfriNIC Region transit ASes present in the Internet Routing Table:  341
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1152
Number of AfriNIC addresses announced to Internet:            107726592
    Equivalent to 6 /8s, 107 /16s and 199 /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        9667       8776      94  CHINAMOBILE-CN China Mobile Communicati
  7545        5717        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5091       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4263        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3803       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3606       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3327       1840     100  VNPT-AS-VN VNPT Corp, VN
  9498        3230        490     239  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2736      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2563        849     379  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        9119      11008    3338  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3922       6660     632  COGENT-174, US
 22773        3640       3061     305  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3159      54942    2411  DNIC-AS-00749, US
 16625        3102       1420    2340  AKAMAI-AS, US
   367        3077       3867    1437  DNIC-ASBLK-00306-00371, US
396982        2709       3598     399  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        8634       1178    2942  TTNET, TR
 12479        7430       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4108       3398     167  AKAMAI-ASN1, NL
  8551        3446        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3389        294    1604  M247, RO
 12389        3017       2298     924  ROSTELECOM-AS, RU
  5384        2468        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2439       1852      14  TE-AS TE-AS, EG
 34984        2368        364     585  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       12015       3373     615  UNINET, MX
 10620        3542        504     858  Telmex Colombia S.A., CO
 13999        2413        329     630  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1300        770     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1105        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     430  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        1880        319      45  Telkom-Internet, ZA
 24863        1601        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1046         67      53  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         532         82       3  KENET-AS, KE
 15399         530         55      50  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       12015       3373     615  UNINET, MX
  9808        9667       8776      94  CHINAMOBILE-CN China Mobile Communicati
 16509        9119      11008    3338  AMAZON-02, US
 47331        8634       1178    2942  TTNET, TR
 12479        7430       1713     145  UNI2-AS, ES
  7545        5717        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5091       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4263        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        9667         9573  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7430         7285  UNI2-AS, ES
 16509        9119         5781  AMAZON-02, US
 47331        8634         5692  TTNET, TR
  7545        5717         5022  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5091         5016  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4263         4238  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 20940        4108         3941  AKAMAI-ASN1, NL

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             17054  EXPEDIENT, 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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.164.152.0/24      Origin:    210912  Twistic Limited, GB
23.164.152.0/24     Transit:     52041  SCALEBLADE, GB
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

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      /10:38      /11:100     /12:301     
/13:584     /14:1212    /15:2144    /16:13622   /17:8600    /18:14236   
/19:25699   /20:45688   /21:54452   /22:114431  /23:107356  /24:590320  
/25:1123    /26:1082    /27:1498    /28:159     /29:238     /30:80      
/31:73      /32:620     

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

   ASN  No of nets  Total ann.  Description
 47331        7751        8634  TTNET, TR
 12479        6519        7430  UNI2-AS, ES
  8151        6025       12015  UNINET, MX
 11492        3453        4540  CABLEONE, US
  6327        3364        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2923        3446  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2686        3640  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2148        2493  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2252      2:1606      3:269       4:8         5:4601      6:159    
   7:6         8:1627      9:1        11:172      12:1509     13:351    
  14:2330     15:304      16:202      17:373      18:663      20:331    
  21:4        22:188      23:6540     24:2943     25:2        27:2667   
  29:19       31:2703     32:89       34:29       35:120      36:2039   
  37:4604     38:6573     39:872      40:150      41:4799     42:2092   
  43:2408     44:331      45:17565    46:4531     47:399      49:1887   
  50:1909     51:577      52:1621     54:394      55:954      56:5      
  57:138      58:1972     59:1197     60:1013     61:2727     62:2824   
  63:1940     64:5714     65:2397     66:5154     67:3124     68:1369   
  69:4182     70:1393     71:633      72:3034     74:2675     75:1614   
  76:641      77:2463     78:4038     79:3042     80:2171     81:2079   
  82:1597     83:1383     84:1634     85:3866     86:874      87:2210   
  88:2943     89:4010     90:630      91:8035     92:2161     93:2659   
  94:3755     95:5122     96:1337     97:315      98:1125     99:733    
 100:123     101:1398    102:3405    103:32740   104:4817    105:2000   
 106:988     107:2814    108:1156    109:4332    110:2174    111:3167   
 112:2093    113:1767    114:1709    115:2115    116:1988    117:2574   
 118:2734    119:2041    120:1826    121:1275    122:2769    123:2280   
 124:1664    125:2643    128:1568    129:1011    130:1089    131:2075   
 132:970     133:408     134:1719    135:341     136:916     137:1000   
 138:2879    139:1658    140:1330    141:1335    142:1575    143:1596   
 144:1005    145:347     146:1996    147:1642    148:2499    149:2433   
 150:898     151:1260    152:1988    153:606     154:5587    155:1413   
 156:2108    157:1389    158:1068    159:2209    160:2701    161:1621   
 162:3550    163:1629    164:1780    165:1916    166:1078    167:1762   
 168:4031    169:814     170:4912    171:980     172:3892    173:3041   
 174:991     175:1256    176:3773    177:5498    178:3586    179:2437   
 180:2623    181:3627    182:3385    183:2011    184:2283    185:20983  
 186:5060    187:4628    188:4247    189:4255    190:9522    191:1868   
 192:11038   193:9026    194:7540    195:5490    196:3642    197:3067   
 198:6087    199:6448    200:8310    201:6367    202:10951   203:10550  
 204:4612    205:3743    206:4500    207:3568    208:4178    209:4986   
 210:4613    211:2615    212:4366    213:3517    214:1120    215:71     
 216:6895    217:3024    218:1339    219:616     220:2037    221:1002   
 222:863     223:2188   

End of report


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