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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Dec 1 22:41:45 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 01 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:                              984459
    Prefixes after maximum aggregation (per Origin AS):          362367
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      455335
Total ASes present in the Internet Routing Table:                 75291
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64726
Origin ASes announcing only one prefix:                           25940
Transit ASes present in the Internet Routing Table:               10565
Transit-only ASes present in the Internet Routing Table:            485
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:              1296
    Number of instances of unregistered ASNs:                      1298
Number of 32-bit ASNs allocated by the RIRs:                      43144
Number of 32-bit ASNs visible in the Routing Table:               35556
Prefixes from 32-bit ASNs in the Routing Table:                  186038
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:            628
Number of addresses announced to Internet:                   3050233374
    Equivalent to 181 /8s, 206 /16s and 222 /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:      338392

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

Prefixes being announced by APNIC Region ASes:                   256970
    Total APNIC prefixes after maximum aggregation:               72677
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          250013
    Unique aggregates announced from the APNIC address blocks:    99472
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:               4122
APNIC Region transit ASes present in the Internet Routing Table:   1859
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:   9171
Number of APNIC addresses announced to Internet:              771878816
    Equivalent to 46 /8s, 1 /16s and 239 /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:                    281852
    Total ARIN prefixes after maximum aggregation:               125980
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286154
    Unique aggregates announced from the ARIN address blocks:    132545
ARIN Region origin ASes present in the Internet Routing Table:    19124
    ARIN Prefixes per ASN:                                        14.96
ARIN Region origin ASes announcing only one prefix:                6935
ARIN Region transit ASes present in the Internet Routing Table:    1887
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:    4844
Number of ARIN addresses announced to Internet:              1277040448
    Equivalent to 76 /8s, 30 /16s and 23 /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:                    281073
    Total RIPE prefixes after maximum aggregation:               127951
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274663
    Unique aggregates announced from the RIPE address blocks:    160595
RIPE Region origin ASes present in the Internet Routing Table:    28550
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3888
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11493
Number of RIPE addresses announced to Internet:               714757086
    Equivalent to 42 /8s, 154 /16s and 83 /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:                  129303
    Total LACNIC prefixes after maximum aggregation:              28903
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128417
    Unique aggregates announced from the LACNIC address blocks:   49431
LACNIC Region origin ASes present in the Internet Routing Table:  11046
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              2242
LACNIC Region transit ASes present in the Internet Routing Table:  2400
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:  8896
Number of LACNIC addresses announced to Internet:             178394976
    Equivalent to 10 /8s, 162 /16s and 23 /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:                  33965
    Total AfriNIC prefixes after maximum aggregation:              6080
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44583
    Unique aggregates announced from the AfriNIC address blocks:  12780
AfriNIC Region origin ASes present in the Internet Routing Table:  1811
    AfriNIC Prefixes per ASN:                                     24.62
AfriNIC Region origin ASes announcing only one prefix:              587
AfriNIC Region transit ASes present in the Internet Routing Table:  345
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: 1152
Number of AfriNIC addresses announced to Internet:            107770624
    Equivalent to 6 /8s, 108 /16s and 115 /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        5002       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        9374      11177    3360  AMAZON-02, US
 11492        4556        302     677  CABLEONE, US
  7155        4181        288      97  VIASAT-SP-BACKBONE, US
   174        3931       6658     642  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        3009       3849    1426  DNIC-ASBLK-00306-00371, US
396982        2723       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        7531       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4069       3398     169  AKAMAI-ASN1, NL
  9009        3484        300    1617  M247, RO
  8551        3436        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2985       2300     914  ROSTELECOM-AS, RU
  5384        2502        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2478       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       12200       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        1082        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         550       1861      34  IAM-AS, MA
 36914         527         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       12200       3378     611  UNINET, MX
  9808        9762       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9374      11177    3360  AMAZON-02, US
 47331        8772       1191    2794  TTNET, TR
 12479        7531       1714     146  UNI2-AS, ES
  7545        5680        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5002       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4556        302     677  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        7531         7385  UNI2-AS, ES
 16509        9374         6014  AMAZON-02, US
 47331        8772         5978  TTNET, TR
  7545        5680         4985  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5002         4927  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    /15:2140    /16:13610   /17:8545    /18:14242   
/19:25662   /20:45560   /21:54262   /22:114474  /23:107106  /24:591700  
/25:1122    /26:1083    /27:1495    /28:159     /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        6624        7531  UNI2-AS, ES
  8151        6192       12200  UNINET, MX
 11492        3470        4556  CABLEONE, US
  6327        3367        3559  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4181  VIASAT-SP-BACKBONE, US
  8551        2913        3436  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2677        3634  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2137        2481  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2273      2:1600      3:279       4:8         5:4613      6:160    
   7:6         8:1612      9:1        11:172      12:1496     13:373    
  14:2386     15:303      16:205      17:369      18:694      20:337    
  21:4        22:188      23:6565     24:2976     25:2        27:2659   
  29:19       31:2705     32:74       34:34       35:121      36:2065   
  37:4590     38:6793     39:888      40:151      41:4674     42:2125   
  43:2387     44:337      45:17550    46:4570     47:316      49:1899   
  50:1908     51:577      52:1627     54:393      55:865      56:5      
  57:136      58:1982     59:1192     60:1010     61:2748     62:2846   
  63:1936     64:5688     65:2392     66:5169     67:3130     68:1381   
  69:4147     70:1398     71:615      72:3019     74:2668     75:1608   
  76:629      77:2468     78:4093     79:3060     80:2174     81:2094   
  82:1595     83:1396     84:1639     85:3848     86:885      87:2223   
  88:2974     89:4013     90:641      91:8047     92:2245     93:2679   
  94:3767     95:5139     96:1334     97:316      98:1036     99:738    
 100:123     101:1425    102:3457    103:32892   104:4829    105:2016   
 106:985     107:2777    108:1148    109:4301    110:2166    111:3182   
 112:2113    113:1715    114:1746    115:2099    116:1998    117:2573   
 118:2769    119:2021    120:1815    121:1305    122:2775    123:2248   
 124:1666    125:2794    128:1602    129:1007    130:1106    131:2088   
 132:989     133:410     134:1730    135:343     136:926     137:1005   
 138:2900    139:1586    140:1349    141:1361    142:1581    143:1607   
 144:1004    145:343     146:2022    147:1660    148:2506    149:2401   
 150:1026    151:1310    152:1983    153:596     154:5618    155:1387   
 156:2172    157:1391    158:1066    159:2219    160:2691    161:1644   
 162:3609    163:1655    164:1705    165:1909    166:1116    167:1782   
 168:3993    169:825     170:4959    171:990     172:3780    173:3040   
 174:910     175:1246    176:3780    177:5507    178:3593    179:2462   
 180:2380    181:3736    182:3416    183:2050    184:2285    185:20806  
 186:5133    187:4728    188:4158    189:4350    190:9582    191:1958   
 192:11053   193:9037    194:7523    195:5472    196:3648    197:2929   
 198:6086    199:6642    200:8494    201:6409    202:10973   203:10512  
 204:4662    205:3709    206:4517    207:3573    208:4157    209:4970   
 210:4645    211:2573    212:4354    213:3516    214:1127    215:64     
 216:6876    217:3010    218:1345    219:611     220:2034    221:1014   
 222:877     223:2226   

End of report


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