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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Aug 11 22:41:19 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 11 Aug, 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:                              976555
    Prefixes after maximum aggregation (per Origin AS):          358013
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      451283
Total ASes present in the Internet Routing Table:                 74909
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           64193
Origin ASes announcing only one prefix:                           25844
Transit ASes present in the Internet Routing Table:               10716
Transit-only ASes present in the Internet Routing Table:            461
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1333
    Number of instances of unregistered ASNs:                      1335
Number of 32-bit ASNs allocated by the RIRs:                      42407
Number of 32-bit ASNs visible in the Routing Table:               35041
Prefixes from 32-bit ASNs in the Routing Table:                  181691
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:            679
Number of addresses announced to Internet:                   3056631466
    Equivalent to 182 /8s, 48 /16s and 126 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      335510

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

Prefixes being announced by APNIC Region ASes:                   255001
    Total APNIC prefixes after maximum aggregation:               70928
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248674
    Unique aggregates announced from the APNIC address blocks:    97473
APNIC Region origin ASes present in the Internet Routing Table:   13644
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               3986
APNIC Region transit ASes present in the Internet Routing Table:   1838
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8942
Number of APNIC addresses announced to Internet:              776321632
    Equivalent to 46 /8s, 69 /16s and 186 /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:                    280426
    Total ARIN prefixes after maximum aggregation:               125287
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           281983
    Unique aggregates announced from the ARIN address blocks:    130834
ARIN Region origin ASes present in the Internet Routing Table:    19122
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1966
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4829
Number of ARIN addresses announced to Internet:              1276640576
    Equivalent to 76 /8s, 23 /16s and 253 /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:                    278918
    Total RIPE prefixes after maximum aggregation:               126287
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274817
    Unique aggregates announced from the RIPE address blocks:    159963
RIPE Region origin ASes present in the Internet Routing Table:    28470
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12008
RIPE Region transit ASes present in the Internet Routing Table:    4004
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11337
Number of RIPE addresses announced to Internet:               717050590
    Equivalent to 42 /8s, 189 /16s and 82 /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:                  126984
    Total LACNIC prefixes after maximum aggregation:              28708
    LACNIC Deaggregation factor:                                   4.42
Prefixes being announced from the LACNIC address blocks:         126401
    Unique aggregates announced from the LACNIC address blocks:   49793
LACNIC Region origin ASes present in the Internet Routing Table:  11006
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2322
LACNIC Region transit ASes present in the Internet Routing Table:  2351
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8813
Number of LACNIC addresses announced to Internet:             178525472
    Equivalent to 10 /8s, 164 /16s and 21 /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:                  33893
    Total AfriNIC prefixes after maximum aggregation:              5973
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         44000
    Unique aggregates announced from the AfriNIC address blocks:  12641
AfriNIC Region origin ASes present in the Internet Routing Table:  1780
    AfriNIC Prefixes per ASN:                                     24.72
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  335
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1120
Number of AfriNIC addresses announced to Internet:            107653888
    Equivalent to 6 /8s, 106 /16s and 171 /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        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5700        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3727       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3596       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3076        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2483        843     405  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2309      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        8816      10965    3188  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3665       3060     295  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3614       6657     617  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3162       1533    2351  AKAMAI-AS, US
   749        3149      54961    2401  DNIC-AS-00749, US
   367        2973       3824    1409  DNIC-ASBLK-00306-00371, US
396982        2685       3596     388  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        8286       1142    3287  TTNET, TR
 12479        7347       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4155       3399     187  AKAMAI-ASN1, NL
  8551        3459        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2984       2294     920  ROSTELECOM-AS, RU
  9009        2678        248    1396  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2370        365     591  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       11642       3360     611  UNINET, MX
 10620        3534        507     832  Telmex Colombia S.A., CO
 13999        2430        362     637  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 11664        1113        181     434  Techtel LMDS Comunicaciones Interactiva
 28202        1103         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        1900        319      50  Telkom-Internet, ZA
 24863        1588        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1356       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         536         54      49  WANANCHI-, KE
 36914         529         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       11642       3360     611  UNINET, MX
  9808        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8816      10965    3188  AMAZON-02, US
 47331        8286       1142    3287  TTNET, TR
 12479        7347       1713     145  UNI2-AS, ES
  7545        5700        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4242        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        9536         9493  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7347         7202  UNI2-AS, ES
 16509        8816         5628  AMAZON-02, US
  7545        5700         5011  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8286         4999  TTNET, TR
  4538        5029         4953  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4242         4217  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, VN

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     46990  UNALLOCATED  8.5.242.0/23               174  COGENT-174, 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
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, 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
23.160.8.0/24        Origin:     26902  CEKKENT, US
23.160.8.0/24       Transit:    137409  GSLNETWORKS-AS-AP GSL Networks Pty LTD, 
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:17       /9:14      /10:39      /11:102     /12:296     
/13:575     /14:1211    /15:2154    /16:13683   /17:8556    /18:14783   
/19:25783   /20:45879   /21:54483   /22:114138  /23:106780  /24:585021  
/25:494     /26:611     /27:1037    /28:76      /29:101     /30:28      
/31:24      /32:669     

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

   ASN  No of nets  Total ann.  Description
 47331        7415        8286  TTNET, TR
 12479        6432        7347  UNI2-AS, ES
  8151        5648       11642  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4523  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3143        4198  VIASAT-SP-BACKBONE, US
  8551        2927        3459  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2708        3665  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2149        2492  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2264      2:1491      3:229       4:8         5:4754      6:134    
   7:6         8:1626      9:1        11:172      12:1520     13:373    
  14:2394     15:302      16:198      17:379      18:595      20:299    
  21:4        22:188      23:6477     24:3040     25:6        27:2625   
  29:19       31:2675     32:97       34:26       35:117      36:1999   
  37:4734     38:6187     39:846      40:148      41:4835     42:2055   
  43:2437     44:324      45:17308    46:4480     47:393      49:1799   
  50:1882     51:585      52:1626     54:391      55:969      56:8      
  57:129      58:1971     59:1195     60:1000     61:2717     62:2828   
  63:1952     64:5767     65:2353     66:5107     67:3076     68:1345   
  69:4136     70:1412     71:697      72:3063     74:2671     75:1611   
  76:621      77:2580     78:3895     79:3015     80:2172     81:2040   
  82:1569     83:1348     84:1560     85:3809     86:870      87:2261   
  88:2840     89:3944     90:621      91:7989     92:2154     93:2636   
  94:3707     95:5081     96:1341     97:325      98:1126     99:736    
 100:123     101:1362    102:3300    103:32542   104:4580    105:2004   
 106:959     107:2570    108:1130    109:4345    110:2180    111:3176   
 112:2129    113:1806    114:1666    115:2133    116:1954    117:2577   
 118:2722    119:2082    120:1825    121:1193    122:2738    123:2232   
 124:1653    125:2532    128:1507    129:1122    130:1072    131:2052   
 132:950     133:422     134:1797    135:353     136:908     137:987    
 138:2810    139:1620    140:1256    141:1342    142:1501    143:1561   
 144:1008    145:343     146:1995    147:1626    148:2478    149:2179   
 150:912     151:1220    152:2003    153:584     154:4981    155:1392   
 156:1936    157:1355    158:1091    159:2241    160:2688    161:1597   
 162:3555    163:1648    164:1772    165:1913    166:999     167:1748   
 168:4042    169:950     170:4822    171:922     172:3655    173:3002   
 174:1002    175:1229    176:3943    177:5491    178:3578    179:2416   
 180:2589    181:3548    182:3439    183:2028    184:2329    185:20854  
 186:5034    187:4518    188:4336    189:4004    190:9404    191:1850   
 192:11008   193:9007    194:7503    195:5446    196:3664    197:3048   
 198:6068    199:6108    200:8184    201:6213    202:11001   203:10596  
 204:4601    205:3678    206:4399    207:3506    208:4208    209:4998   
 210:4721    211:2613    212:4375    213:3720    214:1091    215:60     
 216:6853    217:3026    218:1329    219:617     220:2042    221:975    
 222:852     223:2194   

End of report


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