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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Sep 13 22:41:52 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 13 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:                              992387
    Prefixes after maximum aggregation (per Origin AS):          361409
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      454926
Total ASes present in the Internet Routing Table:                 75334
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           64695
Origin ASes announcing only one prefix:                           25818
Transit ASes present in the Internet Routing Table:               10639
Transit-only ASes present in the Internet Routing Table:            463
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1327
    Number of instances of unregistered ASNs:                      1329
Number of 32-bit ASNs allocated by the RIRs:                      42599
Number of 32-bit ASNs visible in the Routing Table:               35359
Prefixes from 32-bit ASNs in the Routing Table:                  186310
Number of bogon 32-bit ASNs visible in the Routing Table:           199
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            738
Number of addresses announced to Internet:                   3063063178
    Equivalent to 182 /8s, 146 /16s and 162 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    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:      340939

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

Prefixes being announced by APNIC Region ASes:                   258592
    Total APNIC prefixes after maximum aggregation:               72038
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252024
    Unique aggregates announced from the APNIC address blocks:    99079
APNIC Region origin ASes present in the Internet Routing Table:   13772
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4026
APNIC Region transit ASes present in the Internet Routing Table:   1833
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9056
Number of APNIC addresses announced to Internet:              775266112
    Equivalent to 46 /8s, 53 /16s and 159 /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:                    284857
    Total ARIN prefixes after maximum aggregation:               126281
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           286970
    Unique aggregates announced from the ARIN address blocks:    132045
ARIN Region origin ASes present in the Internet Routing Table:    19190
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6947
ARIN Region transit ASes present in the Internet Routing Table:    1933
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4859
Number of ARIN addresses announced to Internet:              1280714048
    Equivalent to 76 /8s, 86 /16s and 37 /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:                    283384
    Total RIPE prefixes after maximum aggregation:               127458
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278555
    Unique aggregates announced from the RIPE address blocks:    161102
RIPE Region origin ASes present in the Internet Routing Table:    28589
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12027
RIPE Region transit ASes present in the Internet Routing Table:    3944
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11416
Number of RIPE addresses announced to Internet:               719703262
    Equivalent to 42 /8s, 229 /16s and 204 /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:                  129772
    Total LACNIC prefixes after maximum aggregation:              28796
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         129022
    Unique aggregates announced from the LACNIC address blocks:   49286
LACNIC Region origin ASes present in the Internet Routing Table:  11073
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2235
LACNIC Region transit ASes present in the Internet Routing Table:  2379
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8881
Number of LACNIC addresses announced to Internet:             178863904
    Equivalent to 10 /8s, 169 /16s and 63 /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:                  34455
    Total AfriNIC prefixes after maximum aggregation:              6017
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         45077
    Unique aggregates announced from the AfriNIC address blocks:  12779
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.97
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147
Number of AfriNIC addresses announced to Internet:            107956224
    Equivalent to 6 /8s, 111 /16s and 72 /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        9698       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5750        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4357        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3751       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3154        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2521        849     387  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      11270     588  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9176      11010    3191  AMAZON-02, US
 11492        4540        301     628  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3861       6656     617  COGENT-174, US
 22773        3702       3064     327  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3200       1549    2367  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3031       3843    1430  DNIC-ASBLK-00306-00371, US
396982        2698       3597     390  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        8530       1167    3049  TTNET, TR
 12479        7403       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4204       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2995       2296     919  ROSTELECOM-AS, RU
  9009        2764        256    1408  M247, RO
  8452        2498       1852      16  TE-AS TE-AS, EG
  5384        2464        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2380        366     586  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       11927       3370     606  UNINET, MX
 10620        3550        508     836  Telmex Colombia S.A., CO
 13999        2466        366     638  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1327       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1090         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        1894        319      45  Telkom-Internet, ZA
 24863        1617        393      19  LINKdotNET-AS, EG
 24835        1548        533      27  RAYA-AS, EG
 36992        1362       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         952        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         540         55      51  WANANCHI-, KE
 36914         536         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11927       3370     606  UNINET, MX
  9808        9698       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9176      11010    3191  AMAZON-02, US
 47331        8530       1167    3049  TTNET, TR
 12479        7403       1713     145  UNI2-AS, ES
  7545        5750        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     628  CABLEONE, US
 18403        4357        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        9698         9599  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7403         7258  UNI2-AS, ES
 16509        9176         5985  AMAZON-02, US
 47331        8530         5481  TTNET, TR
  7545        5750         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016         4941  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4357         4332  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4204         4019  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              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             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:    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
23.178.240.0/24      Origin:    399517  RESERVED, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, 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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13756   /17:8606    /18:14848   
/19:25958   /20:46323   /21:55304   /22:115734  /23:108892  /24:595540  
/25:486     /26:623     /27:1036    /28:78      /29:102     /30:26      
/31:22      /32:633     

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

   ASN  No of nets  Total ann.  Description
 47331        7651        8530  TTNET, TR
 12479        6489        7403  UNI2-AS, ES
  8151        5897       11927  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3449        4540  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2734        3702  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2173        2517  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2289      2:1605      3:260       4:8         5:4804      6:139    
   7:6         8:1634      9:1        11:172      12:1531     13:386    
  14:2424     15:304      16:198      17:384      18:644      20:306    
  21:4        22:188      23:6547     24:3067     25:6        27:2670   
  29:19       31:2696     32:98       34:27       35:121      36:2019   
  37:4761     38:6455     39:879      40:147      41:4889     42:2131   
  43:2489     44:330      45:17893    46:4541     47:395      49:1849   
  50:1932     51:598      52:1635     54:399      55:979      56:8      
  57:133      58:1984     59:1210     60:1010     61:2731     62:2865   
  63:1973     64:5893     65:2431     66:5182     67:3122     68:1367   
  69:4231     70:1414     71:703      72:3089     74:2701     75:1619   
  76:625      77:2602     78:4025     79:3045     80:2197     81:2111   
  82:1597     83:1364     84:1591     85:3934     86:878      87:2287   
  88:2886     89:3992     90:627      91:8067     92:2182     93:2686   
  94:3769     95:5123     96:1347     97:326      98:1139     99:736    
 100:123     101:1369    102:3425    103:33102   104:4693    105:2015   
 106:971     107:2720    108:1163    109:4366    110:2201    111:3193   
 112:2151    113:1825    114:1690    115:2164    116:1974    117:2633   
 118:2775    119:2096    120:1880    121:1238    122:2773    123:2271   
 124:1670    125:2612    128:1593    129:1148    130:1097    131:2104   
 132:974     133:408     134:1806    135:355     136:929     137:995    
 138:2878    139:1694    140:1307    141:1348    142:1544    143:1612   
 144:1028    145:349     146:2033    147:1634    148:2505    149:2352   
 150:921     151:1255    152:2006    153:595     154:5536    155:1434   
 156:2012    157:1369    158:1099    159:2269    160:2726    161:1629   
 162:3606    163:1675    164:1780    165:1947    166:1101    167:1762   
 168:4103    169:959     170:4994    171:963     172:3771    173:3026   
 174:1007    175:1268    176:3987    177:5584    178:3628    179:2500   
 180:2664    181:3667    182:3465    183:2050    184:2334    185:21125  
 186:5120    187:4612    188:4386    189:4175    190:9566    191:1880   
 192:11141   193:9105    194:7632    195:5534    196:3680    197:3064   
 198:6106    199:6206    200:8328    201:6301    202:11097   203:10644  
 204:4653    205:3795    206:4472    207:3572    208:4305    209:5050   
 210:4747    211:2641    212:4435    213:3774    214:1104    215:60     
 216:6974    217:3054    218:1334    219:619     220:2047    221:996    
 222:868     223:2199   

End of report


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