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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Dec 2 22:41:43 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 02 Dec, 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:                              984503
    Prefixes after maximum aggregation (per Origin AS):          362405
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      455384
Total ASes present in the Internet Routing Table:                 75282
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64704
Origin ASes announcing only one prefix:                           25939
Transit ASes present in the Internet Routing Table:               10578
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:       4.1
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1278
    Number of instances of unregistered ASNs:                      1280
Number of 32-bit ASNs allocated by the RIRs:                      43159
Number of 32-bit ASNs visible in the Routing Table:               35553
Prefixes from 32-bit ASNs in the Routing Table:                  186002
Number of bogon 32-bit ASNs visible in the Routing Table:           191
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            603
Number of addresses announced to Internet:                   3050148894
    Equivalent to 181 /8s, 205 /16s and 148 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338424

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

Prefixes being announced by APNIC Region ASes:                   256922
    Total APNIC prefixes after maximum aggregation:               72660
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          249974
    Unique aggregates announced from the APNIC address blocks:    99467
APNIC Region origin ASes present in the Internet Routing Table:   13851
    APNIC Prefixes per ASN:                                       18.05
APNIC Region origin ASes announcing only one prefix:               4130
APNIC Region transit ASes present in the Internet Routing Table:   1857
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9168
Number of APNIC addresses announced to Internet:              771803808
    Equivalent to 46 /8s, 0 /16s and 202 /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:                    281894
    Total ARIN prefixes after maximum aggregation:               126018
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286179
    Unique aggregates announced from the ARIN address blocks:    132510
ARIN Region origin ASes present in the Internet Routing Table:    19122
    ARIN Prefixes per ASN:                                        14.97
ARIN Region origin ASes announcing only one prefix:                6932
ARIN Region transit ASes present in the Internet Routing Table:    1889
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:    4843
Number of ARIN addresses announced to Internet:              1276955200
    Equivalent to 76 /8s, 28 /16s and 202 /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:                    281108
    Total RIPE prefixes after maximum aggregation:               127976
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274714
    Unique aggregates announced from the RIPE address blocks:    160678
RIPE Region origin ASes present in the Internet Routing Table:    28548
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12049
RIPE Region transit ASes present in the Internet Routing Table:    3894
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11494
Number of RIPE addresses announced to Internet:               714774494
    Equivalent to 42 /8s, 154 /16s and 151 /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:                  129279
    Total LACNIC prefixes after maximum aggregation:              28896
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128391
    Unique aggregates announced from the LACNIC address blocks:   49446
LACNIC Region origin ASes present in the Internet Routing Table:  11045
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2240
LACNIC Region transit ASes present in the Internet Routing Table:  2403
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8894
Number of LACNIC addresses announced to Internet:             178465120
    Equivalent to 10 /8s, 163 /16s and 41 /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:                  34022
    Total AfriNIC prefixes after maximum aggregation:              6078
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         44641
    Unique aggregates announced from the AfriNIC address blocks:  12774
AfriNIC Region origin ASes present in the Internet Routing Table:  1811
    AfriNIC Prefixes per ASN:                                     24.65
AfriNIC Region origin ASes announcing only one prefix:              588
AfriNIC Region transit ASes present in the Internet Routing Table:  346
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154
Number of AfriNIC addresses announced to Internet:            107768832
    Equivalent to 6 /8s, 108 /16s and 108 /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        9762       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5680        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4393        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3834       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3602       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3384        494     250  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3352       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2634        853     369  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        9334      11167    3377  AMAZON-02, US
 11492        4557        302     678  CABLEONE, US
  7155        4181        288      97  VIASAT-SP-BACKBONE, US
   174        3952       6665     659  COGENT-174, US
 22773        3634       3077     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3559       1320      68  SHAW, CA
 16625        3173       1408    2326  AKAMAI-AS, US
   749        3164      54930    2416  DNIC-AS-00749, US
   367        3002       3847    1423  DNIC-ASBLK-00306-00371, US
396982        2722       3631     372  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        8772       1191    2794  TTNET, TR
 12479        7530       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4069       3398     169  AKAMAI-ASN1, NL
  9009        3483        300    1616  M247, RO
  8551        3437        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2986       2300     915  ROSTELECOM-AS, RU
  5384        2502        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2479       1852      14  TE-AS TE-AS, EG
 34984        2370        364     578  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       12203       3378     611  UNINET, MX
 10620        3525        499     870  Telmex Colombia S.A., CO
 13999        2475        338     645  Mega Cable, S.A. de C.V., MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 28573        1340       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1249        341     505  Axtel, S.A.B. de C.V., MX
 11664        1085        173     432  Techtel LMDS Comunicaciones Interactiva
 28202        1085         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1081        369      22  Telefonica del Peru S.A.A., PE

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        1622        316      43  Telkom-Internet, ZA
 24863        1594        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1359       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1046         67      51  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         516         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       12203       3378     611  UNINET, MX
  9808        9762       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9334      11167    3377  AMAZON-02, US
 47331        8772       1191    2794  TTNET, TR
 12479        7530       1714     146  UNI2-AS, ES
  7545        5680        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4557        302     678  CABLEONE, US
 18403        4393        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        9762         9718  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7530         7384  UNI2-AS, ES
 47331        8772         5978  TTNET, TR
 16509        9334         5957  AMAZON-02, US
  7545        5680         4985  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5005         4930  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4393         4368  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4084  VIASAT-SP-BACKBONE, US
 20940        4069         3900  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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, 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

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
23.176.160.0/24      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
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

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      /11:99      /12:300     
/13:584     /14:1208    /15:2141    /16:13612   /17:8554    /18:14243   
/19:25659   /20:45573   /21:54283   /22:114465  /23:107094  /24:591713  
/25:1123    /26:1084    /27:1499    /28:161     /29:243     /30:81      
/31:76      /32:639     

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

   ASN  No of nets  Total ann.  Description
 47331        7887        8772  TTNET, TR
 12479        6623        7530  UNI2-AS, ES
  8151        6195       12203  UNINET, MX
 11492        3471        4557  CABLEONE, US
  6327        3367        3559  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4181  VIASAT-SP-BACKBONE, US
  8551        2914        3437  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2677        3634  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2138        2482  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2274      2:1600      3:278       4:8         5:4611      6:160    
   7:6         8:1610      9:1        11:172      12:1494     13:374    
  14:2386     15:304      16:205      17:369      18:690      20:337    
  21:4        22:188      23:6562     24:2977     25:2        27:2662   
  29:19       31:2708     32:74       34:34       35:121      36:2065   
  37:4591     38:6800     39:888      40:151      41:4671     42:2125   
  43:2389     44:335      45:17542    46:4571     47:316      49:1898   
  50:1908     51:577      52:1627     54:390      55:876      56:5      
  57:136      58:1982     59:1192     60:1010     61:2748     62:2857   
  63:1937     64:5687     65:2392     66:5171     67:3128     68:1381   
  69:4142     70:1398     71:615      72:3020     74:2668     75:1608   
  76:629      77:2468     78:4093     79:3061     80:2176     81:2097   
  82:1594     83:1397     84:1639     85:3847     86:884      87:2228   
  88:2974     89:4014     90:640      91:8048     92:2244     93:2679   
  94:3767     95:5140     96:1334     97:316      98:1036     99:737    
 100:123     101:1425    102:3457    103:32860   104:4831    105:2018   
 106:986     107:2780    108:1144    109:4303    110:2166    111:3184   
 112:2113    113:1715    114:1746    115:2098    116:1996    117:2573   
 118:2769    119:2020    120:1815    121:1305    122:2775    123:2248   
 124:1674    125:2793    128:1601    129:1008    130:1100    131:2087   
 132:991     133:410     134:1729    135:343     136:928     137:1004   
 138:2895    139:1586    140:1349    141:1360    142:1583    143:1612   
 144:1004    145:343     146:2023    147:1657    148:2505    149:2403   
 150:1026    151:1310    152:1982    153:596     154:5614    155:1387   
 156:2172    157:1396    158:1066    159:2220    160:2694    161:1644   
 162:3610    163:1656    164:1710    165:1909    166:1114    167:1782   
 168:4013    169:825     170:4969    171:992     172:3779    173:3042   
 174:910     175:1246    176:3780    177:5487    178:3588    179:2463   
 180:2381    181:3736    182:3415    183:2050    184:2285    185:20820  
 186:5113    187:4716    188:4161    189:4323    190:9590    191:1960   
 192:11053   193:9033    194:7526    195:5469    196:3648    197:2922   
 198:6086    199:6640    200:8499    201:6425    202:10972   203:10516  
 204:4670    205:3718    206:4517    207:3572    208:4158    209:4974   
 210:4646    211:2573    212:4354    213:3517    214:1126    215:64     
 216:6878    217:3012    218:1345    219:611     220:2032    221:1015   
 222:877     223:2226   

End of report


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